2)
3)
4)
5)
--- Content provided by FirstRanker.com ---
DU MSc PhD Comb degree Bio Sci N MSc Bio SciPH
Topic:- DU_J18_MSC_BIOSCI_Topic01
100 microns equals
[Question ID = 4436]
--- Content provided by FirstRanker.com ---
1. 10-6
m [Option ID = 17741]
2. 10
-4
--- Content provided by FirstRanker.com ---
m [Option ID = 17743]3. 10
-7
m [Option ID = 17744]
4. 10
--- Content provided by FirstRanker.com ---
-5m [Option ID = 17742]
Correct Answer :-
10
-4
--- Content provided by FirstRanker.com ---
m [Option ID = 17743]100 Angstroms equals
[Question ID = 4435]
1. 10
-10
--- Content provided by FirstRanker.com ---
m [Option ID = 17739]2. 10
-9
m [Option ID = 17737]
3. 10
--- Content provided by FirstRanker.com ---
-8m [Option ID = 17738]
4. 10
-12
m [Option ID = 17740]
--- Content provided by FirstRanker.com ---
Correct Answer :-10
-8
m [Option ID = 17738]
The fingerprint region is a part of
--- Content provided by FirstRanker.com ---
[Question ID = 4437]1. Proton NMR spectrum [Option ID = 17745]
2. Infrared spectrum [Option ID = 17748]
3. C
13
--- Content provided by FirstRanker.com ---
NMR spectrum [Option ID = 17747]4. UV-Visible spectrum [Option ID = 17746]
Correct Answer :-
Infrared spectrum [Option ID = 17748]
The first nucleotide polymerizing enzyme discovered was
--- Content provided by FirstRanker.com ---
[Question ID = 4374]1. DNA polymerase [Option ID = 17494]
2. DNA primase [Option ID = 17495]
3. Taq polymerase [Option ID = 17493]
4. none of these [Option ID = 17496]
--- Content provided by FirstRanker.com ---
Correct Answer :-DNA polymerase [Option ID = 17494]
The pH of a 0.001 M solution of HCl is
[Question ID = 4423]
1. 0.001 [Option ID = 17692]
--- Content provided by FirstRanker.com ---
2. 2 [Option ID = 17690]3. 1 [Option ID = 17689]
4. 3 [Option ID = 17691]
FirstRanker.com - FirstRanker's Choice
1)
--- Content provided by FirstRanker.com ---
2)3)
4)
5)
DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
--- Content provided by FirstRanker.com ---
PHTopic:- DU_J18_MSC_BIOSCI_Topic01
100 microns equals
[Question ID = 4436]
1. 10
--- Content provided by FirstRanker.com ---
-6m [Option ID = 17741]
2. 10
-4
m [Option ID = 17743]
--- Content provided by FirstRanker.com ---
3. 10-7
m [Option ID = 17744]
4. 10
-5
--- Content provided by FirstRanker.com ---
m [Option ID = 17742]Correct Answer :-
10
-4
m [Option ID = 17743]
--- Content provided by FirstRanker.com ---
100 Angstroms equals[Question ID = 4435]
1. 10
-10
m [Option ID = 17739]
--- Content provided by FirstRanker.com ---
2. 10-9
m [Option ID = 17737]
3. 10
-8
--- Content provided by FirstRanker.com ---
m [Option ID = 17738]4. 10
-12
m [Option ID = 17740]
Correct Answer :-
--- Content provided by FirstRanker.com ---
10-8
m [Option ID = 17738]
The fingerprint region is a part of
[Question ID = 4437]
--- Content provided by FirstRanker.com ---
1. Proton NMR spectrum [Option ID = 17745]2. Infrared spectrum [Option ID = 17748]
3. C
13
NMR spectrum [Option ID = 17747]
--- Content provided by FirstRanker.com ---
4. UV-Visible spectrum [Option ID = 17746]Correct Answer :-
Infrared spectrum [Option ID = 17748]
The first nucleotide polymerizing enzyme discovered was
[Question ID = 4374]
--- Content provided by FirstRanker.com ---
1. DNA polymerase [Option ID = 17494]2. DNA primase [Option ID = 17495]
3. Taq polymerase [Option ID = 17493]
4. none of these [Option ID = 17496]
Correct Answer :-
--- Content provided by FirstRanker.com ---
DNA polymerase [Option ID = 17494]The pH of a 0.001 M solution of HCl is
[Question ID = 4423]
1. 0.001 [Option ID = 17692]
2. 2 [Option ID = 17690]
--- Content provided by FirstRanker.com ---
3. 1 [Option ID = 17689]4. 3 [Option ID = 17691]
6)
7)
8)
--- Content provided by FirstRanker.com ---
9)10)
11)
Correct Answer :-
3 [Option ID = 17691]
--- Content provided by FirstRanker.com ---
The photosynthetic assimilation of atmospheric CO2
by leaves yield sucrose and starch as end products of two gluconeogenic pathways
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of the
process?
--- Content provided by FirstRanker.com ---
[Question ID = 4411]1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]
2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
--- Content provided by FirstRanker.com ---
Correct Answer :-Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
The excess oxygen consumed after a vigorous exercise help
[Question ID = 4419]
1. to pump out lactic acid from muscles [Option ID = 17673]
--- Content provided by FirstRanker.com ---
2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]3. to increase the concentration of lactic acid in muscles [Option ID = 17674]
4. to make ATP for gluconeogenesis [Option ID = 17676]
Correct Answer :-
to make ATP for gluconeogenesis [Option ID = 17676]
--- Content provided by FirstRanker.com ---
The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be[Question ID = 4388]
1. 227 Da [Option ID = 17550]
2. 110 Da [Option ID = 17551]
3. 436 Da [Option ID = 17549]
--- Content provided by FirstRanker.com ---
4. 350 Da [Option ID = 17552]Correct Answer :-
436 Da [Option ID = 17549]
The genetic distance between two genes can be different from the physical distance between them is
[Question ID = 4372]
--- Content provided by FirstRanker.com ---
1. impossible [Option ID = 17485]2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]
3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]
Correct Answer :-
--- Content provided by FirstRanker.com ---
possible because genetic distance is relative unlike physical distance [Option ID = 17487]The enzyme carboxypeptidase contains
[Question ID = 4438]
1. Zinc ion [Option ID = 17751]
2. Iron ion [Option ID = 17750]
--- Content provided by FirstRanker.com ---
3. Cobalt ion [Option ID = 17752]4. Calcium ion [Option ID = 17749]
Correct Answer :-
Zinc ion [Option ID = 17751]
The coenzyme TPP is derived from the vitamin
--- Content provided by FirstRanker.com ---
FirstRanker.com - FirstRanker's Choice1)
2)
3)
4)
--- Content provided by FirstRanker.com ---
5)DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
PH
Topic:- DU_J18_MSC_BIOSCI_Topic01
100 microns equals
--- Content provided by FirstRanker.com ---
[Question ID = 4436]1. 10
-6
m [Option ID = 17741]
2. 10
--- Content provided by FirstRanker.com ---
-4m [Option ID = 17743]
3. 10
-7
m [Option ID = 17744]
--- Content provided by FirstRanker.com ---
4. 10-5
m [Option ID = 17742]
Correct Answer :-
10
--- Content provided by FirstRanker.com ---
-4m [Option ID = 17743]
100 Angstroms equals
[Question ID = 4435]
1. 10
--- Content provided by FirstRanker.com ---
-10m [Option ID = 17739]
2. 10
-9
m [Option ID = 17737]
--- Content provided by FirstRanker.com ---
3. 10-8
m [Option ID = 17738]
4. 10
-12
--- Content provided by FirstRanker.com ---
m [Option ID = 17740]Correct Answer :-
10
-8
m [Option ID = 17738]
--- Content provided by FirstRanker.com ---
The fingerprint region is a part of[Question ID = 4437]
1. Proton NMR spectrum [Option ID = 17745]
2. Infrared spectrum [Option ID = 17748]
3. C
--- Content provided by FirstRanker.com ---
13NMR spectrum [Option ID = 17747]
4. UV-Visible spectrum [Option ID = 17746]
Correct Answer :-
Infrared spectrum [Option ID = 17748]
--- Content provided by FirstRanker.com ---
The first nucleotide polymerizing enzyme discovered was[Question ID = 4374]
1. DNA polymerase [Option ID = 17494]
2. DNA primase [Option ID = 17495]
3. Taq polymerase [Option ID = 17493]
--- Content provided by FirstRanker.com ---
4. none of these [Option ID = 17496]Correct Answer :-
DNA polymerase [Option ID = 17494]
The pH of a 0.001 M solution of HCl is
[Question ID = 4423]
--- Content provided by FirstRanker.com ---
1. 0.001 [Option ID = 17692]2. 2 [Option ID = 17690]
3. 1 [Option ID = 17689]
4. 3 [Option ID = 17691]
6)
--- Content provided by FirstRanker.com ---
7)8)
9)
10)
11)
--- Content provided by FirstRanker.com ---
Correct Answer :-3 [Option ID = 17691]
The photosynthetic assimilation of atmospheric CO
2
by leaves yield sucrose and starch as end products of two gluconeogenic pathways
--- Content provided by FirstRanker.com ---
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of theprocess?
[Question ID = 4411]
1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]
2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
--- Content provided by FirstRanker.com ---
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
Correct Answer :-
Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
The excess oxygen consumed after a vigorous exercise help
--- Content provided by FirstRanker.com ---
[Question ID = 4419]1. to pump out lactic acid from muscles [Option ID = 17673]
2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]
3. to increase the concentration of lactic acid in muscles [Option ID = 17674]
4. to make ATP for gluconeogenesis [Option ID = 17676]
--- Content provided by FirstRanker.com ---
Correct Answer :-to make ATP for gluconeogenesis [Option ID = 17676]
The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be
[Question ID = 4388]
1. 227 Da [Option ID = 17550]
--- Content provided by FirstRanker.com ---
2. 110 Da [Option ID = 17551]3. 436 Da [Option ID = 17549]
4. 350 Da [Option ID = 17552]
Correct Answer :-
436 Da [Option ID = 17549]
--- Content provided by FirstRanker.com ---
The genetic distance between two genes can be different from the physical distance between them is[Question ID = 4372]
1. impossible [Option ID = 17485]
2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]
3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
--- Content provided by FirstRanker.com ---
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]Correct Answer :-
possible because genetic distance is relative unlike physical distance [Option ID = 17487]
The enzyme carboxypeptidase contains
[Question ID = 4438]
--- Content provided by FirstRanker.com ---
1. Zinc ion [Option ID = 17751]2. Iron ion [Option ID = 17750]
3. Cobalt ion [Option ID = 17752]
4. Calcium ion [Option ID = 17749]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Zinc ion [Option ID = 17751]The coenzyme TPP is derived from the vitamin
12)
13)
14)
--- Content provided by FirstRanker.com ---
15)16)
[Question ID = 4441]
1. Tetrahydrofolate [Option ID = 17763]
2. Thymine [Option ID = 17761]
--- Content provided by FirstRanker.com ---
3. Biotin [Option ID = 17764]4. Ascorbic acid [Option ID = 17762]
Correct Answer :-
The predominant form of Immunoglobulin present at mucosal sites is
[Question ID = 4405]
--- Content provided by FirstRanker.com ---
1. IgG [Option ID = 17618]2. IgD [Option ID = 17619]
3. IgM [Option ID = 17620]
4. IgA [Option ID = 17617]
Correct Answer :-
--- Content provided by FirstRanker.com ---
IgA [Option ID = 17617]Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygen
deficient environments will be compromised if their
[Question ID = 4418]
1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
--- Content provided by FirstRanker.com ---
2. thickness remains unchanged, but their length increases. [Option ID = 17670]3. thickness remains unchanged, but their width decreases. [Option ID = 17671]
4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]
Correct Answer :-
thickness increases, and the rest of the size remains the same. [Option ID = 17669]
--- Content provided by FirstRanker.com ---
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes likewound healing, bone development and others, which one of the following type of enzymes is most important?
[Question ID = 4392]
1. Proteases [Option ID = 17566]
2. Amylase [Option ID = 17567]
--- Content provided by FirstRanker.com ---
3. Peptidase [Option ID = 17565]4. Lipases [Option ID = 17568]
Correct Answer :-
Proteases [Option ID = 17566]
DNA tangling during replication is prevented by
--- Content provided by FirstRanker.com ---
[Question ID = 4376]1. DNA ligase [Option ID = 17502]
2. DNA helicase [Option ID = 17501]
3. DNA topoisomerase [Option ID = 17503]
4. All of these [Option ID = 17504]
--- Content provided by FirstRanker.com ---
Correct Answer :-DNA topoisomerase [Option ID = 17503]
Glutaric acid contains [Question ID = 4429]
1. 5 carbon atoms [Option ID = 17713]
2. 4 carbon atoms [Option ID = 17716]
--- Content provided by FirstRanker.com ---
3. 2 carbon atoms [Option ID = 17714]4. 3 carbon atoms [Option ID = 17715]
Correct Answer :-
5 carbon atoms [Option ID = 17713]
FirstRanker.com - FirstRanker's Choice
--- Content provided by FirstRanker.com ---
1)2)
3)
4)
5)
--- Content provided by FirstRanker.com ---
DU MSc PhD Comb degree Bio Sci N MSc Bio SciPH
Topic:- DU_J18_MSC_BIOSCI_Topic01
100 microns equals
[Question ID = 4436]
--- Content provided by FirstRanker.com ---
1. 10-6
m [Option ID = 17741]
2. 10
-4
--- Content provided by FirstRanker.com ---
m [Option ID = 17743]3. 10
-7
m [Option ID = 17744]
4. 10
--- Content provided by FirstRanker.com ---
-5m [Option ID = 17742]
Correct Answer :-
10
-4
--- Content provided by FirstRanker.com ---
m [Option ID = 17743]100 Angstroms equals
[Question ID = 4435]
1. 10
-10
--- Content provided by FirstRanker.com ---
m [Option ID = 17739]2. 10
-9
m [Option ID = 17737]
3. 10
--- Content provided by FirstRanker.com ---
-8m [Option ID = 17738]
4. 10
-12
m [Option ID = 17740]
--- Content provided by FirstRanker.com ---
Correct Answer :-10
-8
m [Option ID = 17738]
The fingerprint region is a part of
--- Content provided by FirstRanker.com ---
[Question ID = 4437]1. Proton NMR spectrum [Option ID = 17745]
2. Infrared spectrum [Option ID = 17748]
3. C
13
--- Content provided by FirstRanker.com ---
NMR spectrum [Option ID = 17747]4. UV-Visible spectrum [Option ID = 17746]
Correct Answer :-
Infrared spectrum [Option ID = 17748]
The first nucleotide polymerizing enzyme discovered was
--- Content provided by FirstRanker.com ---
[Question ID = 4374]1. DNA polymerase [Option ID = 17494]
2. DNA primase [Option ID = 17495]
3. Taq polymerase [Option ID = 17493]
4. none of these [Option ID = 17496]
--- Content provided by FirstRanker.com ---
Correct Answer :-DNA polymerase [Option ID = 17494]
The pH of a 0.001 M solution of HCl is
[Question ID = 4423]
1. 0.001 [Option ID = 17692]
--- Content provided by FirstRanker.com ---
2. 2 [Option ID = 17690]3. 1 [Option ID = 17689]
4. 3 [Option ID = 17691]
6)
7)
--- Content provided by FirstRanker.com ---
8)9)
10)
11)
Correct Answer :-
--- Content provided by FirstRanker.com ---
3 [Option ID = 17691]The photosynthetic assimilation of atmospheric CO
2
by leaves yield sucrose and starch as end products of two gluconeogenic pathways
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of the
--- Content provided by FirstRanker.com ---
process?[Question ID = 4411]
1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]
2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
--- Content provided by FirstRanker.com ---
4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]Correct Answer :-
Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
The excess oxygen consumed after a vigorous exercise help
[Question ID = 4419]
--- Content provided by FirstRanker.com ---
1. to pump out lactic acid from muscles [Option ID = 17673]2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]
3. to increase the concentration of lactic acid in muscles [Option ID = 17674]
4. to make ATP for gluconeogenesis [Option ID = 17676]
Correct Answer :-
--- Content provided by FirstRanker.com ---
to make ATP for gluconeogenesis [Option ID = 17676]The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be
[Question ID = 4388]
1. 227 Da [Option ID = 17550]
2. 110 Da [Option ID = 17551]
--- Content provided by FirstRanker.com ---
3. 436 Da [Option ID = 17549]4. 350 Da [Option ID = 17552]
Correct Answer :-
436 Da [Option ID = 17549]
The genetic distance between two genes can be different from the physical distance between them is
--- Content provided by FirstRanker.com ---
[Question ID = 4372]1. impossible [Option ID = 17485]
2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]
3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]
--- Content provided by FirstRanker.com ---
Correct Answer :-possible because genetic distance is relative unlike physical distance [Option ID = 17487]
The enzyme carboxypeptidase contains
[Question ID = 4438]
1. Zinc ion [Option ID = 17751]
--- Content provided by FirstRanker.com ---
2. Iron ion [Option ID = 17750]3. Cobalt ion [Option ID = 17752]
4. Calcium ion [Option ID = 17749]
Correct Answer :-
Zinc ion [Option ID = 17751]
--- Content provided by FirstRanker.com ---
The coenzyme TPP is derived from the vitamin12)
13)
14)
15)
--- Content provided by FirstRanker.com ---
16)[Question ID = 4441]
1. Tetrahydrofolate [Option ID = 17763]
2. Thymine [Option ID = 17761]
3. Biotin [Option ID = 17764]
--- Content provided by FirstRanker.com ---
4. Ascorbic acid [Option ID = 17762]Correct Answer :-
The predominant form of Immunoglobulin present at mucosal sites is
[Question ID = 4405]
1. IgG [Option ID = 17618]
--- Content provided by FirstRanker.com ---
2. IgD [Option ID = 17619]3. IgM [Option ID = 17620]
4. IgA [Option ID = 17617]
Correct Answer :-
IgA [Option ID = 17617]
--- Content provided by FirstRanker.com ---
Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygendeficient environments will be compromised if their
[Question ID = 4418]
1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
2. thickness remains unchanged, but their length increases. [Option ID = 17670]
--- Content provided by FirstRanker.com ---
3. thickness remains unchanged, but their width decreases. [Option ID = 17671]4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]
Correct Answer :-
thickness increases, and the rest of the size remains the same. [Option ID = 17669]
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes like
--- Content provided by FirstRanker.com ---
wound healing, bone development and others, which one of the following type of enzymes is most important?[Question ID = 4392]
1. Proteases [Option ID = 17566]
2. Amylase [Option ID = 17567]
3. Peptidase [Option ID = 17565]
--- Content provided by FirstRanker.com ---
4. Lipases [Option ID = 17568]Correct Answer :-
Proteases [Option ID = 17566]
DNA tangling during replication is prevented by
[Question ID = 4376]
--- Content provided by FirstRanker.com ---
1. DNA ligase [Option ID = 17502]2. DNA helicase [Option ID = 17501]
3. DNA topoisomerase [Option ID = 17503]
4. All of these [Option ID = 17504]
Correct Answer :-
--- Content provided by FirstRanker.com ---
DNA topoisomerase [Option ID = 17503]Glutaric acid contains [Question ID = 4429]
1. 5 carbon atoms [Option ID = 17713]
2. 4 carbon atoms [Option ID = 17716]
3. 2 carbon atoms [Option ID = 17714]
--- Content provided by FirstRanker.com ---
4. 3 carbon atoms [Option ID = 17715]Correct Answer :-
5 carbon atoms [Option ID = 17713]
17)
18)
--- Content provided by FirstRanker.com ---
19)20)
21)
22)
Geometric isomers are
--- Content provided by FirstRanker.com ---
[Question ID = 4442]1. position isomers [Option ID = 17767]
2. rarely found [Option ID = 17768]
3. configurational isomers [Option ID = 17765]
4. conformational isomers [Option ID = 17766]
--- Content provided by FirstRanker.com ---
Correct Answer :-configurational isomers [Option ID = 17765]
Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves
[Question ID = 4420]
1. A polymerase coded by the host [Option ID = 17678]
--- Content provided by FirstRanker.com ---
2. A polymerase coded by the virus itself [Option ID = 17677]3. Host RNA polymerase [Option ID = 17679]
4. Unknown mechanism [Option ID = 17680]
Correct Answer :-
A polymerase coded by the virus itself [Option ID = 17677]
--- Content provided by FirstRanker.com ---
Caprolactam is a monomer used to produce[Question ID = 4431]
1. Starch [Option ID = 17722]
2. Cellulose [Option ID = 17721]
3. Glycogen [Option ID = 17723]
--- Content provided by FirstRanker.com ---
4. Nylon [Option ID = 17724]Correct Answer :-
Nylon [Option ID = 17724]
Tetracycline blocks protein synthesis by
[Question ID = 4364]
--- Content provided by FirstRanker.com ---
1. Inhibiting translocase enzyme [Option ID = 17456]2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]
3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]
4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]Hematopoietic stem cells are pluripotent, which means that they are
[Question ID = 4400]
1. capable of developing into any type of blood cells [Option ID = 17598]
2. committed to produce cells of a single lineage [Option ID = 17599]
--- Content provided by FirstRanker.com ---
3. not self renewal [Option ID = 17600]4. antigen specific cells [Option ID = 17597]
Correct Answer :-
capable of developing into any type of blood cells [Option ID = 17598]
Alveolar cells of the lung arise from which one of the following layers?
--- Content provided by FirstRanker.com ---
[Question ID = 4415]1. Endoderm [Option ID = 17658]
2. Mesoderm [Option ID = 17657]
3. Both ectoderm and endoderm [Option ID = 17660]
4. Ectoderm [Option ID = 17659]
--- Content provided by FirstRanker.com ---
FirstRanker.com - FirstRanker's Choice1)
2)
3)
4)
--- Content provided by FirstRanker.com ---
5)DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
PH
Topic:- DU_J18_MSC_BIOSCI_Topic01
100 microns equals
--- Content provided by FirstRanker.com ---
[Question ID = 4436]1. 10
-6
m [Option ID = 17741]
2. 10
--- Content provided by FirstRanker.com ---
-4m [Option ID = 17743]
3. 10
-7
m [Option ID = 17744]
--- Content provided by FirstRanker.com ---
4. 10-5
m [Option ID = 17742]
Correct Answer :-
10
--- Content provided by FirstRanker.com ---
-4m [Option ID = 17743]
100 Angstroms equals
[Question ID = 4435]
1. 10
--- Content provided by FirstRanker.com ---
-10m [Option ID = 17739]
2. 10
-9
m [Option ID = 17737]
--- Content provided by FirstRanker.com ---
3. 10-8
m [Option ID = 17738]
4. 10
-12
--- Content provided by FirstRanker.com ---
m [Option ID = 17740]Correct Answer :-
10
-8
m [Option ID = 17738]
--- Content provided by FirstRanker.com ---
The fingerprint region is a part of[Question ID = 4437]
1. Proton NMR spectrum [Option ID = 17745]
2. Infrared spectrum [Option ID = 17748]
3. C
--- Content provided by FirstRanker.com ---
13NMR spectrum [Option ID = 17747]
4. UV-Visible spectrum [Option ID = 17746]
Correct Answer :-
Infrared spectrum [Option ID = 17748]
--- Content provided by FirstRanker.com ---
The first nucleotide polymerizing enzyme discovered was[Question ID = 4374]
1. DNA polymerase [Option ID = 17494]
2. DNA primase [Option ID = 17495]
3. Taq polymerase [Option ID = 17493]
--- Content provided by FirstRanker.com ---
4. none of these [Option ID = 17496]Correct Answer :-
DNA polymerase [Option ID = 17494]
The pH of a 0.001 M solution of HCl is
[Question ID = 4423]
--- Content provided by FirstRanker.com ---
1. 0.001 [Option ID = 17692]2. 2 [Option ID = 17690]
3. 1 [Option ID = 17689]
4. 3 [Option ID = 17691]
6)
--- Content provided by FirstRanker.com ---
7)8)
9)
10)
11)
--- Content provided by FirstRanker.com ---
Correct Answer :-3 [Option ID = 17691]
The photosynthetic assimilation of atmospheric CO
2
by leaves yield sucrose and starch as end products of two gluconeogenic pathways
--- Content provided by FirstRanker.com ---
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of theprocess?
[Question ID = 4411]
1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]
2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
--- Content provided by FirstRanker.com ---
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
Correct Answer :-
Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
The excess oxygen consumed after a vigorous exercise help
--- Content provided by FirstRanker.com ---
[Question ID = 4419]1. to pump out lactic acid from muscles [Option ID = 17673]
2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]
3. to increase the concentration of lactic acid in muscles [Option ID = 17674]
4. to make ATP for gluconeogenesis [Option ID = 17676]
--- Content provided by FirstRanker.com ---
Correct Answer :-to make ATP for gluconeogenesis [Option ID = 17676]
The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be
[Question ID = 4388]
1. 227 Da [Option ID = 17550]
--- Content provided by FirstRanker.com ---
2. 110 Da [Option ID = 17551]3. 436 Da [Option ID = 17549]
4. 350 Da [Option ID = 17552]
Correct Answer :-
436 Da [Option ID = 17549]
--- Content provided by FirstRanker.com ---
The genetic distance between two genes can be different from the physical distance between them is[Question ID = 4372]
1. impossible [Option ID = 17485]
2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]
3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
--- Content provided by FirstRanker.com ---
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]Correct Answer :-
possible because genetic distance is relative unlike physical distance [Option ID = 17487]
The enzyme carboxypeptidase contains
[Question ID = 4438]
--- Content provided by FirstRanker.com ---
1. Zinc ion [Option ID = 17751]2. Iron ion [Option ID = 17750]
3. Cobalt ion [Option ID = 17752]
4. Calcium ion [Option ID = 17749]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Zinc ion [Option ID = 17751]The coenzyme TPP is derived from the vitamin
12)
13)
14)
--- Content provided by FirstRanker.com ---
15)16)
[Question ID = 4441]
1. Tetrahydrofolate [Option ID = 17763]
2. Thymine [Option ID = 17761]
--- Content provided by FirstRanker.com ---
3. Biotin [Option ID = 17764]4. Ascorbic acid [Option ID = 17762]
Correct Answer :-
The predominant form of Immunoglobulin present at mucosal sites is
[Question ID = 4405]
--- Content provided by FirstRanker.com ---
1. IgG [Option ID = 17618]2. IgD [Option ID = 17619]
3. IgM [Option ID = 17620]
4. IgA [Option ID = 17617]
Correct Answer :-
--- Content provided by FirstRanker.com ---
IgA [Option ID = 17617]Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygen
deficient environments will be compromised if their
[Question ID = 4418]
1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
--- Content provided by FirstRanker.com ---
2. thickness remains unchanged, but their length increases. [Option ID = 17670]3. thickness remains unchanged, but their width decreases. [Option ID = 17671]
4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]
Correct Answer :-
thickness increases, and the rest of the size remains the same. [Option ID = 17669]
--- Content provided by FirstRanker.com ---
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes likewound healing, bone development and others, which one of the following type of enzymes is most important?
[Question ID = 4392]
1. Proteases [Option ID = 17566]
2. Amylase [Option ID = 17567]
--- Content provided by FirstRanker.com ---
3. Peptidase [Option ID = 17565]4. Lipases [Option ID = 17568]
Correct Answer :-
Proteases [Option ID = 17566]
DNA tangling during replication is prevented by
--- Content provided by FirstRanker.com ---
[Question ID = 4376]1. DNA ligase [Option ID = 17502]
2. DNA helicase [Option ID = 17501]
3. DNA topoisomerase [Option ID = 17503]
4. All of these [Option ID = 17504]
--- Content provided by FirstRanker.com ---
Correct Answer :-DNA topoisomerase [Option ID = 17503]
Glutaric acid contains [Question ID = 4429]
1. 5 carbon atoms [Option ID = 17713]
2. 4 carbon atoms [Option ID = 17716]
--- Content provided by FirstRanker.com ---
3. 2 carbon atoms [Option ID = 17714]4. 3 carbon atoms [Option ID = 17715]
Correct Answer :-
5 carbon atoms [Option ID = 17713]
17)
--- Content provided by FirstRanker.com ---
18)19)
20)
21)
22)
--- Content provided by FirstRanker.com ---
Geometric isomers are[Question ID = 4442]
1. position isomers [Option ID = 17767]
2. rarely found [Option ID = 17768]
3. configurational isomers [Option ID = 17765]
--- Content provided by FirstRanker.com ---
4. conformational isomers [Option ID = 17766]Correct Answer :-
configurational isomers [Option ID = 17765]
Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves
[Question ID = 4420]
--- Content provided by FirstRanker.com ---
1. A polymerase coded by the host [Option ID = 17678]2. A polymerase coded by the virus itself [Option ID = 17677]
3. Host RNA polymerase [Option ID = 17679]
4. Unknown mechanism [Option ID = 17680]
Correct Answer :-
--- Content provided by FirstRanker.com ---
A polymerase coded by the virus itself [Option ID = 17677]Caprolactam is a monomer used to produce
[Question ID = 4431]
1. Starch [Option ID = 17722]
2. Cellulose [Option ID = 17721]
--- Content provided by FirstRanker.com ---
3. Glycogen [Option ID = 17723]4. Nylon [Option ID = 17724]
Correct Answer :-
Nylon [Option ID = 17724]
Tetracycline blocks protein synthesis by
--- Content provided by FirstRanker.com ---
[Question ID = 4364]1. Inhibiting translocase enzyme [Option ID = 17456]
2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]
3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]
4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
--- Content provided by FirstRanker.com ---
Correct Answer :-Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Hematopoietic stem cells are pluripotent, which means that they are
[Question ID = 4400]
1. capable of developing into any type of blood cells [Option ID = 17598]
--- Content provided by FirstRanker.com ---
2. committed to produce cells of a single lineage [Option ID = 17599]3. not self renewal [Option ID = 17600]
4. antigen specific cells [Option ID = 17597]
Correct Answer :-
capable of developing into any type of blood cells [Option ID = 17598]
--- Content provided by FirstRanker.com ---
Alveolar cells of the lung arise from which one of the following layers?[Question ID = 4415]
1. Endoderm [Option ID = 17658]
2. Mesoderm [Option ID = 17657]
3. Both ectoderm and endoderm [Option ID = 17660]
--- Content provided by FirstRanker.com ---
4. Ectoderm [Option ID = 17659]23)
24)
25)
26)
--- Content provided by FirstRanker.com ---
27)28)
Correct Answer :-
Endoderm [Option ID = 17658]
A Th2 cell does not produce
--- Content provided by FirstRanker.com ---
[Question ID = 4404]1. Interleukin-10 [Option ID = 17615]
2. Interleukin-4 [Option ID = 17614]
3. Interferon gamma [Option ID = 17613]
4. Interleuine-5 [Option ID = 17616]
--- Content provided by FirstRanker.com ---
Correct Answer :-Interferon gamma [Option ID = 17613]
Xenon hexafluoride is a
[Question ID = 4439]
1. Tetrahedral molecule [Option ID = 17753]
--- Content provided by FirstRanker.com ---
2. Square planar molecule [Option ID = 17754]3. Octahedral molecule [Option ID = 17755]
4. Planar molecule [Option ID = 17756]
Correct Answer :-
Octahedral molecule [Option ID = 17755]
--- Content provided by FirstRanker.com ---
Na+
dependent carrier exchanger regulates cytosolic pH
[Question ID = 4381]
1. Na
--- Content provided by FirstRanker.com ---
+/ Glucose symport [Option ID = 17524]
2. Na
+
/ K
--- Content provided by FirstRanker.com ---
+exchanger [Option ID = 17523]
3. Na
+
/ H
--- Content provided by FirstRanker.com ---
+antiport [Option ID = 17522]
4. Na
+
/ H
--- Content provided by FirstRanker.com ---
+symport [Option ID = 17521]
Correct Answer :-
Na
+
--- Content provided by FirstRanker.com ---
/ H+
antiport [Option ID = 17522]
Thermolysin is
[Question ID = 4447]
--- Content provided by FirstRanker.com ---
1. a vitamin [Option ID = 17788]2. a carbohydrate [Option ID = 17787]
3. an exopeptidase [Option ID = 17785]
4. an endopeptidase [Option ID = 17786]
Correct Answer :-
--- Content provided by FirstRanker.com ---
an endopeptidase [Option ID = 17786]During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]
1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]
2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]
3. Binding of ribosome subunit to mRNA [Option ID = 17451]
--- Content provided by FirstRanker.com ---
4. Transfer of phosphate group [Option ID = 17452]Correct Answer :-
Formation of peptide bond between adjacent amino acids [Option ID = 17450]
cis- and trans-butadiene are
[Question ID = 4444]
--- Content provided by FirstRanker.com ---
1. geometric isomers [Option ID = 17773]2. position isomers [Option ID = 17775]
FirstRanker.com - FirstRanker's Choice
1)
2)
--- Content provided by FirstRanker.com ---
3)4)
5)
DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
PH
--- Content provided by FirstRanker.com ---
Topic:- DU_J18_MSC_BIOSCI_Topic01100 microns equals
[Question ID = 4436]
1. 10
-6
--- Content provided by FirstRanker.com ---
m [Option ID = 17741]2. 10
-4
m [Option ID = 17743]
3. 10
--- Content provided by FirstRanker.com ---
-7m [Option ID = 17744]
4. 10
-5
m [Option ID = 17742]
--- Content provided by FirstRanker.com ---
Correct Answer :-10
-4
m [Option ID = 17743]
100 Angstroms equals
--- Content provided by FirstRanker.com ---
[Question ID = 4435]1. 10
-10
m [Option ID = 17739]
2. 10
--- Content provided by FirstRanker.com ---
-9m [Option ID = 17737]
3. 10
-8
m [Option ID = 17738]
--- Content provided by FirstRanker.com ---
4. 10-12
m [Option ID = 17740]
Correct Answer :-
10
--- Content provided by FirstRanker.com ---
-8m [Option ID = 17738]
The fingerprint region is a part of
[Question ID = 4437]
1. Proton NMR spectrum [Option ID = 17745]
--- Content provided by FirstRanker.com ---
2. Infrared spectrum [Option ID = 17748]3. C
13
NMR spectrum [Option ID = 17747]
4. UV-Visible spectrum [Option ID = 17746]
--- Content provided by FirstRanker.com ---
Correct Answer :-Infrared spectrum [Option ID = 17748]
The first nucleotide polymerizing enzyme discovered was
[Question ID = 4374]
1. DNA polymerase [Option ID = 17494]
--- Content provided by FirstRanker.com ---
2. DNA primase [Option ID = 17495]3. Taq polymerase [Option ID = 17493]
4. none of these [Option ID = 17496]
Correct Answer :-
DNA polymerase [Option ID = 17494]
--- Content provided by FirstRanker.com ---
The pH of a 0.001 M solution of HCl is[Question ID = 4423]
1. 0.001 [Option ID = 17692]
2. 2 [Option ID = 17690]
3. 1 [Option ID = 17689]
--- Content provided by FirstRanker.com ---
4. 3 [Option ID = 17691]6)
7)
8)
9)
--- Content provided by FirstRanker.com ---
10)11)
Correct Answer :-
3 [Option ID = 17691]
The photosynthetic assimilation of atmospheric CO
--- Content provided by FirstRanker.com ---
2by leaves yield sucrose and starch as end products of two gluconeogenic pathways
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of the
process?
[Question ID = 4411]
--- Content provided by FirstRanker.com ---
1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]The excess oxygen consumed after a vigorous exercise help
[Question ID = 4419]
1. to pump out lactic acid from muscles [Option ID = 17673]
2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]
--- Content provided by FirstRanker.com ---
3. to increase the concentration of lactic acid in muscles [Option ID = 17674]4. to make ATP for gluconeogenesis [Option ID = 17676]
Correct Answer :-
to make ATP for gluconeogenesis [Option ID = 17676]
The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be
--- Content provided by FirstRanker.com ---
[Question ID = 4388]1. 227 Da [Option ID = 17550]
2. 110 Da [Option ID = 17551]
3. 436 Da [Option ID = 17549]
4. 350 Da [Option ID = 17552]
--- Content provided by FirstRanker.com ---
Correct Answer :-436 Da [Option ID = 17549]
The genetic distance between two genes can be different from the physical distance between them is
[Question ID = 4372]
1. impossible [Option ID = 17485]
--- Content provided by FirstRanker.com ---
2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]
Correct Answer :-
possible because genetic distance is relative unlike physical distance [Option ID = 17487]
--- Content provided by FirstRanker.com ---
The enzyme carboxypeptidase contains[Question ID = 4438]
1. Zinc ion [Option ID = 17751]
2. Iron ion [Option ID = 17750]
3. Cobalt ion [Option ID = 17752]
--- Content provided by FirstRanker.com ---
4. Calcium ion [Option ID = 17749]Correct Answer :-
Zinc ion [Option ID = 17751]
The coenzyme TPP is derived from the vitamin
12)
--- Content provided by FirstRanker.com ---
13)14)
15)
16)
[Question ID = 4441]
--- Content provided by FirstRanker.com ---
1. Tetrahydrofolate [Option ID = 17763]2. Thymine [Option ID = 17761]
3. Biotin [Option ID = 17764]
4. Ascorbic acid [Option ID = 17762]
Correct Answer :-
--- Content provided by FirstRanker.com ---
The predominant form of Immunoglobulin present at mucosal sites is[Question ID = 4405]
1. IgG [Option ID = 17618]
2. IgD [Option ID = 17619]
3. IgM [Option ID = 17620]
--- Content provided by FirstRanker.com ---
4. IgA [Option ID = 17617]Correct Answer :-
IgA [Option ID = 17617]
Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygen
deficient environments will be compromised if their
--- Content provided by FirstRanker.com ---
[Question ID = 4418]1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
2. thickness remains unchanged, but their length increases. [Option ID = 17670]
3. thickness remains unchanged, but their width decreases. [Option ID = 17671]
4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]
--- Content provided by FirstRanker.com ---
Correct Answer :-thickness increases, and the rest of the size remains the same. [Option ID = 17669]
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes like
wound healing, bone development and others, which one of the following type of enzymes is most important?
[Question ID = 4392]
--- Content provided by FirstRanker.com ---
1. Proteases [Option ID = 17566]2. Amylase [Option ID = 17567]
3. Peptidase [Option ID = 17565]
4. Lipases [Option ID = 17568]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Proteases [Option ID = 17566]DNA tangling during replication is prevented by
[Question ID = 4376]
1. DNA ligase [Option ID = 17502]
2. DNA helicase [Option ID = 17501]
--- Content provided by FirstRanker.com ---
3. DNA topoisomerase [Option ID = 17503]4. All of these [Option ID = 17504]
Correct Answer :-
DNA topoisomerase [Option ID = 17503]
Glutaric acid contains [Question ID = 4429]
--- Content provided by FirstRanker.com ---
1. 5 carbon atoms [Option ID = 17713]2. 4 carbon atoms [Option ID = 17716]
3. 2 carbon atoms [Option ID = 17714]
4. 3 carbon atoms [Option ID = 17715]
Correct Answer :-
--- Content provided by FirstRanker.com ---
5 carbon atoms [Option ID = 17713]17)
18)
19)
20)
--- Content provided by FirstRanker.com ---
21)22)
Geometric isomers are
[Question ID = 4442]
1. position isomers [Option ID = 17767]
--- Content provided by FirstRanker.com ---
2. rarely found [Option ID = 17768]3. configurational isomers [Option ID = 17765]
4. conformational isomers [Option ID = 17766]
Correct Answer :-
configurational isomers [Option ID = 17765]
--- Content provided by FirstRanker.com ---
Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves[Question ID = 4420]
1. A polymerase coded by the host [Option ID = 17678]
2. A polymerase coded by the virus itself [Option ID = 17677]
3. Host RNA polymerase [Option ID = 17679]
--- Content provided by FirstRanker.com ---
4. Unknown mechanism [Option ID = 17680]Correct Answer :-
A polymerase coded by the virus itself [Option ID = 17677]
Caprolactam is a monomer used to produce
[Question ID = 4431]
--- Content provided by FirstRanker.com ---
1. Starch [Option ID = 17722]2. Cellulose [Option ID = 17721]
3. Glycogen [Option ID = 17723]
4. Nylon [Option ID = 17724]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Nylon [Option ID = 17724]Tetracycline blocks protein synthesis by
[Question ID = 4364]
1. Inhibiting translocase enzyme [Option ID = 17456]
2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]
--- Content provided by FirstRanker.com ---
3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Correct Answer :-
Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Hematopoietic stem cells are pluripotent, which means that they are
--- Content provided by FirstRanker.com ---
[Question ID = 4400]1. capable of developing into any type of blood cells [Option ID = 17598]
2. committed to produce cells of a single lineage [Option ID = 17599]
3. not self renewal [Option ID = 17600]
4. antigen specific cells [Option ID = 17597]
--- Content provided by FirstRanker.com ---
Correct Answer :-capable of developing into any type of blood cells [Option ID = 17598]
Alveolar cells of the lung arise from which one of the following layers?
[Question ID = 4415]
1. Endoderm [Option ID = 17658]
--- Content provided by FirstRanker.com ---
2. Mesoderm [Option ID = 17657]3. Both ectoderm and endoderm [Option ID = 17660]
4. Ectoderm [Option ID = 17659]
23)
24)
--- Content provided by FirstRanker.com ---
25)26)
27)
28)
Correct Answer :-
--- Content provided by FirstRanker.com ---
Endoderm [Option ID = 17658]A Th2 cell does not produce
[Question ID = 4404]
1. Interleukin-10 [Option ID = 17615]
2. Interleukin-4 [Option ID = 17614]
--- Content provided by FirstRanker.com ---
3. Interferon gamma [Option ID = 17613]4. Interleuine-5 [Option ID = 17616]
Correct Answer :-
Interferon gamma [Option ID = 17613]
Xenon hexafluoride is a
--- Content provided by FirstRanker.com ---
[Question ID = 4439]1. Tetrahedral molecule [Option ID = 17753]
2. Square planar molecule [Option ID = 17754]
3. Octahedral molecule [Option ID = 17755]
4. Planar molecule [Option ID = 17756]
--- Content provided by FirstRanker.com ---
Correct Answer :-Octahedral molecule [Option ID = 17755]
Na
+
dependent carrier exchanger regulates cytosolic pH
--- Content provided by FirstRanker.com ---
[Question ID = 4381]1. Na
+
/ Glucose symport [Option ID = 17524]
2. Na
--- Content provided by FirstRanker.com ---
+/ K
+
exchanger [Option ID = 17523]
3. Na
--- Content provided by FirstRanker.com ---
+/ H
+
antiport [Option ID = 17522]
4. Na
--- Content provided by FirstRanker.com ---
+/ H
+
symport [Option ID = 17521]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Na+
/ H
+
antiport [Option ID = 17522]
--- Content provided by FirstRanker.com ---
Thermolysin is[Question ID = 4447]
1. a vitamin [Option ID = 17788]
2. a carbohydrate [Option ID = 17787]
3. an exopeptidase [Option ID = 17785]
--- Content provided by FirstRanker.com ---
4. an endopeptidase [Option ID = 17786]Correct Answer :-
an endopeptidase [Option ID = 17786]
During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]
1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]
--- Content provided by FirstRanker.com ---
2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]3. Binding of ribosome subunit to mRNA [Option ID = 17451]
4. Transfer of phosphate group [Option ID = 17452]
Correct Answer :-
Formation of peptide bond between adjacent amino acids [Option ID = 17450]
--- Content provided by FirstRanker.com ---
cis- and trans-butadiene are[Question ID = 4444]
1. geometric isomers [Option ID = 17773]
2. position isomers [Option ID = 17775]
29)
--- Content provided by FirstRanker.com ---
30)31)
32)
33)
34)
--- Content provided by FirstRanker.com ---
3. not isomers [Option ID = 17776]4. conformational isomers [Option ID = 17774]
Correct Answer :-
geometric isomers [Option ID = 17773]
In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalently
--- Content provided by FirstRanker.com ---
linked by[Question ID = 4395]
1. beta-1, 6-glycosidic bond [Option ID = 17578]
2. beta-1, 4-glycosidic bond [Option ID = 17580]
3. alpha-1, 6-glycosidic bond [Option ID = 17579]
--- Content provided by FirstRanker.com ---
4. alpha-1, 4-glycosidic bond [Option ID = 17577]Correct Answer :-
beta-1, 4-glycosidic bond [Option ID = 17580]
Bacterial flagella imparts motility to the cell by
[Question ID = 4397]
--- Content provided by FirstRanker.com ---
1. gliding movement [Option ID = 17587]2. rotatory movement [Option ID = 17586]
3. undulating movement [Option ID = 17585]
4. both undulating movement & rotatory movement [Option ID = 17588]
Correct Answer :-
--- Content provided by FirstRanker.com ---
rotatory movement [Option ID = 17586]The Predominant interactions between phospholipids that stabilize a biological membrane include [Question ID = 4394]
1. Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
2. Covalent and hydrophobic interaction [Option ID = 17576]
3. Hydrogen bonds and covalent interaction [Option ID = 17573]
--- Content provided by FirstRanker.com ---
4. Vander Waal interaction and ionic interaction [Option ID = 17574]Correct Answer :-
Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.
[Question ID = 4456]
--- Content provided by FirstRanker.com ---
1. 65 [Option ID = 17823]2. 64 [Option ID = 17822]
3. 63 [Option ID = 17821]
4. 66 [Option ID = 17824]
Correct Answer :-
--- Content provided by FirstRanker.com ---
64 [Option ID = 17822]Enzymes accelerate a reaction by which one of the following strategies? [Question ID = 4414]
1. Increasing the free energy difference between substrate and the product [Option ID = 17655]
2. Decreasing energy required to form the transition state [Option ID = 17653]
3. Increasing kinetic energy of the substrate [Option ID = 17654]
--- Content provided by FirstRanker.com ---
4. Changing the turn over number of enzymes [Option ID = 17656]Correct Answer :-
Decreasing energy required to form the transition state [Option ID = 17653]
Germ-plasm theory was given by [Question ID = 4368]
1. Charles Darwin [Option ID = 17471]
--- Content provided by FirstRanker.com ---
2. Walter Sutton [Option ID = 17470]3. Gregor Mendel [Option ID = 17472]
4. Weismann [Option ID = 17469]
FirstRanker.com - FirstRanker's Choice
1)
--- Content provided by FirstRanker.com ---
2)3)
4)
5)
DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
--- Content provided by FirstRanker.com ---
PHTopic:- DU_J18_MSC_BIOSCI_Topic01
100 microns equals
[Question ID = 4436]
1. 10
--- Content provided by FirstRanker.com ---
-6m [Option ID = 17741]
2. 10
-4
m [Option ID = 17743]
--- Content provided by FirstRanker.com ---
3. 10-7
m [Option ID = 17744]
4. 10
-5
--- Content provided by FirstRanker.com ---
m [Option ID = 17742]Correct Answer :-
10
-4
m [Option ID = 17743]
--- Content provided by FirstRanker.com ---
100 Angstroms equals[Question ID = 4435]
1. 10
-10
m [Option ID = 17739]
--- Content provided by FirstRanker.com ---
2. 10-9
m [Option ID = 17737]
3. 10
-8
--- Content provided by FirstRanker.com ---
m [Option ID = 17738]4. 10
-12
m [Option ID = 17740]
Correct Answer :-
--- Content provided by FirstRanker.com ---
10-8
m [Option ID = 17738]
The fingerprint region is a part of
[Question ID = 4437]
--- Content provided by FirstRanker.com ---
1. Proton NMR spectrum [Option ID = 17745]2. Infrared spectrum [Option ID = 17748]
3. C
13
NMR spectrum [Option ID = 17747]
--- Content provided by FirstRanker.com ---
4. UV-Visible spectrum [Option ID = 17746]Correct Answer :-
Infrared spectrum [Option ID = 17748]
The first nucleotide polymerizing enzyme discovered was
[Question ID = 4374]
--- Content provided by FirstRanker.com ---
1. DNA polymerase [Option ID = 17494]2. DNA primase [Option ID = 17495]
3. Taq polymerase [Option ID = 17493]
4. none of these [Option ID = 17496]
Correct Answer :-
--- Content provided by FirstRanker.com ---
DNA polymerase [Option ID = 17494]The pH of a 0.001 M solution of HCl is
[Question ID = 4423]
1. 0.001 [Option ID = 17692]
2. 2 [Option ID = 17690]
--- Content provided by FirstRanker.com ---
3. 1 [Option ID = 17689]4. 3 [Option ID = 17691]
6)
7)
8)
--- Content provided by FirstRanker.com ---
9)10)
11)
Correct Answer :-
3 [Option ID = 17691]
--- Content provided by FirstRanker.com ---
The photosynthetic assimilation of atmospheric CO2
by leaves yield sucrose and starch as end products of two gluconeogenic pathways
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of the
process?
--- Content provided by FirstRanker.com ---
[Question ID = 4411]1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]
2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
--- Content provided by FirstRanker.com ---
Correct Answer :-Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
The excess oxygen consumed after a vigorous exercise help
[Question ID = 4419]
1. to pump out lactic acid from muscles [Option ID = 17673]
--- Content provided by FirstRanker.com ---
2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]3. to increase the concentration of lactic acid in muscles [Option ID = 17674]
4. to make ATP for gluconeogenesis [Option ID = 17676]
Correct Answer :-
to make ATP for gluconeogenesis [Option ID = 17676]
--- Content provided by FirstRanker.com ---
The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be[Question ID = 4388]
1. 227 Da [Option ID = 17550]
2. 110 Da [Option ID = 17551]
3. 436 Da [Option ID = 17549]
--- Content provided by FirstRanker.com ---
4. 350 Da [Option ID = 17552]Correct Answer :-
436 Da [Option ID = 17549]
The genetic distance between two genes can be different from the physical distance between them is
[Question ID = 4372]
--- Content provided by FirstRanker.com ---
1. impossible [Option ID = 17485]2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]
3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]
Correct Answer :-
--- Content provided by FirstRanker.com ---
possible because genetic distance is relative unlike physical distance [Option ID = 17487]The enzyme carboxypeptidase contains
[Question ID = 4438]
1. Zinc ion [Option ID = 17751]
2. Iron ion [Option ID = 17750]
--- Content provided by FirstRanker.com ---
3. Cobalt ion [Option ID = 17752]4. Calcium ion [Option ID = 17749]
Correct Answer :-
Zinc ion [Option ID = 17751]
The coenzyme TPP is derived from the vitamin
--- Content provided by FirstRanker.com ---
12)13)
14)
15)
16)
--- Content provided by FirstRanker.com ---
[Question ID = 4441]1. Tetrahydrofolate [Option ID = 17763]
2. Thymine [Option ID = 17761]
3. Biotin [Option ID = 17764]
4. Ascorbic acid [Option ID = 17762]
--- Content provided by FirstRanker.com ---
Correct Answer :-The predominant form of Immunoglobulin present at mucosal sites is
[Question ID = 4405]
1. IgG [Option ID = 17618]
2. IgD [Option ID = 17619]
--- Content provided by FirstRanker.com ---
3. IgM [Option ID = 17620]4. IgA [Option ID = 17617]
Correct Answer :-
IgA [Option ID = 17617]
Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygen
--- Content provided by FirstRanker.com ---
deficient environments will be compromised if their[Question ID = 4418]
1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
2. thickness remains unchanged, but their length increases. [Option ID = 17670]
3. thickness remains unchanged, but their width decreases. [Option ID = 17671]
--- Content provided by FirstRanker.com ---
4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]Correct Answer :-
thickness increases, and the rest of the size remains the same. [Option ID = 17669]
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes like
wound healing, bone development and others, which one of the following type of enzymes is most important?
--- Content provided by FirstRanker.com ---
[Question ID = 4392]1. Proteases [Option ID = 17566]
2. Amylase [Option ID = 17567]
3. Peptidase [Option ID = 17565]
4. Lipases [Option ID = 17568]
--- Content provided by FirstRanker.com ---
Correct Answer :-Proteases [Option ID = 17566]
DNA tangling during replication is prevented by
[Question ID = 4376]
1. DNA ligase [Option ID = 17502]
--- Content provided by FirstRanker.com ---
2. DNA helicase [Option ID = 17501]3. DNA topoisomerase [Option ID = 17503]
4. All of these [Option ID = 17504]
Correct Answer :-
DNA topoisomerase [Option ID = 17503]
--- Content provided by FirstRanker.com ---
Glutaric acid contains [Question ID = 4429]1. 5 carbon atoms [Option ID = 17713]
2. 4 carbon atoms [Option ID = 17716]
3. 2 carbon atoms [Option ID = 17714]
4. 3 carbon atoms [Option ID = 17715]
--- Content provided by FirstRanker.com ---
Correct Answer :-5 carbon atoms [Option ID = 17713]
17)
18)
19)
--- Content provided by FirstRanker.com ---
20)21)
22)
Geometric isomers are
[Question ID = 4442]
--- Content provided by FirstRanker.com ---
1. position isomers [Option ID = 17767]2. rarely found [Option ID = 17768]
3. configurational isomers [Option ID = 17765]
4. conformational isomers [Option ID = 17766]
Correct Answer :-
--- Content provided by FirstRanker.com ---
configurational isomers [Option ID = 17765]Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves
[Question ID = 4420]
1. A polymerase coded by the host [Option ID = 17678]
2. A polymerase coded by the virus itself [Option ID = 17677]
--- Content provided by FirstRanker.com ---
3. Host RNA polymerase [Option ID = 17679]4. Unknown mechanism [Option ID = 17680]
Correct Answer :-
A polymerase coded by the virus itself [Option ID = 17677]
Caprolactam is a monomer used to produce
--- Content provided by FirstRanker.com ---
[Question ID = 4431]1. Starch [Option ID = 17722]
2. Cellulose [Option ID = 17721]
3. Glycogen [Option ID = 17723]
4. Nylon [Option ID = 17724]
--- Content provided by FirstRanker.com ---
Correct Answer :-Nylon [Option ID = 17724]
Tetracycline blocks protein synthesis by
[Question ID = 4364]
1. Inhibiting translocase enzyme [Option ID = 17456]
--- Content provided by FirstRanker.com ---
2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]
4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Correct Answer :-
Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
--- Content provided by FirstRanker.com ---
Hematopoietic stem cells are pluripotent, which means that they are[Question ID = 4400]
1. capable of developing into any type of blood cells [Option ID = 17598]
2. committed to produce cells of a single lineage [Option ID = 17599]
3. not self renewal [Option ID = 17600]
--- Content provided by FirstRanker.com ---
4. antigen specific cells [Option ID = 17597]Correct Answer :-
capable of developing into any type of blood cells [Option ID = 17598]
Alveolar cells of the lung arise from which one of the following layers?
[Question ID = 4415]
--- Content provided by FirstRanker.com ---
1. Endoderm [Option ID = 17658]2. Mesoderm [Option ID = 17657]
3. Both ectoderm and endoderm [Option ID = 17660]
4. Ectoderm [Option ID = 17659]
23)
--- Content provided by FirstRanker.com ---
24)25)
26)
27)
28)
--- Content provided by FirstRanker.com ---
Correct Answer :-Endoderm [Option ID = 17658]
A Th2 cell does not produce
[Question ID = 4404]
1. Interleukin-10 [Option ID = 17615]
--- Content provided by FirstRanker.com ---
2. Interleukin-4 [Option ID = 17614]3. Interferon gamma [Option ID = 17613]
4. Interleuine-5 [Option ID = 17616]
Correct Answer :-
Interferon gamma [Option ID = 17613]
--- Content provided by FirstRanker.com ---
Xenon hexafluoride is a[Question ID = 4439]
1. Tetrahedral molecule [Option ID = 17753]
2. Square planar molecule [Option ID = 17754]
3. Octahedral molecule [Option ID = 17755]
--- Content provided by FirstRanker.com ---
4. Planar molecule [Option ID = 17756]Correct Answer :-
Octahedral molecule [Option ID = 17755]
Na
+
--- Content provided by FirstRanker.com ---
dependent carrier exchanger regulates cytosolic pH[Question ID = 4381]
1. Na
+
/ Glucose symport [Option ID = 17524]
--- Content provided by FirstRanker.com ---
2. Na+
/ K
+
exchanger [Option ID = 17523]
--- Content provided by FirstRanker.com ---
3. Na+
/ H
+
antiport [Option ID = 17522]
--- Content provided by FirstRanker.com ---
4. Na+
/ H
+
symport [Option ID = 17521]
--- Content provided by FirstRanker.com ---
Correct Answer :-Na
+
/ H
+
--- Content provided by FirstRanker.com ---
antiport [Option ID = 17522]Thermolysin is
[Question ID = 4447]
1. a vitamin [Option ID = 17788]
2. a carbohydrate [Option ID = 17787]
--- Content provided by FirstRanker.com ---
3. an exopeptidase [Option ID = 17785]4. an endopeptidase [Option ID = 17786]
Correct Answer :-
an endopeptidase [Option ID = 17786]
During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]
--- Content provided by FirstRanker.com ---
1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]
3. Binding of ribosome subunit to mRNA [Option ID = 17451]
4. Transfer of phosphate group [Option ID = 17452]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Formation of peptide bond between adjacent amino acids [Option ID = 17450]cis- and trans-butadiene are
[Question ID = 4444]
1. geometric isomers [Option ID = 17773]
2. position isomers [Option ID = 17775]
--- Content provided by FirstRanker.com ---
29)30)
31)
32)
33)
--- Content provided by FirstRanker.com ---
34)3. not isomers [Option ID = 17776]
4. conformational isomers [Option ID = 17774]
Correct Answer :-
geometric isomers [Option ID = 17773]
--- Content provided by FirstRanker.com ---
In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalentlylinked by
[Question ID = 4395]
1. beta-1, 6-glycosidic bond [Option ID = 17578]
2. beta-1, 4-glycosidic bond [Option ID = 17580]
--- Content provided by FirstRanker.com ---
3. alpha-1, 6-glycosidic bond [Option ID = 17579]4. alpha-1, 4-glycosidic bond [Option ID = 17577]
Correct Answer :-
beta-1, 4-glycosidic bond [Option ID = 17580]
Bacterial flagella imparts motility to the cell by
--- Content provided by FirstRanker.com ---
[Question ID = 4397]1. gliding movement [Option ID = 17587]
2. rotatory movement [Option ID = 17586]
3. undulating movement [Option ID = 17585]
4. both undulating movement & rotatory movement [Option ID = 17588]
--- Content provided by FirstRanker.com ---
Correct Answer :-rotatory movement [Option ID = 17586]
The Predominant interactions between phospholipids that stabilize a biological membrane include [Question ID = 4394]
1. Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
2. Covalent and hydrophobic interaction [Option ID = 17576]
--- Content provided by FirstRanker.com ---
3. Hydrogen bonds and covalent interaction [Option ID = 17573]4. Vander Waal interaction and ionic interaction [Option ID = 17574]
Correct Answer :-
Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.
--- Content provided by FirstRanker.com ---
[Question ID = 4456]1. 65 [Option ID = 17823]
2. 64 [Option ID = 17822]
3. 63 [Option ID = 17821]
4. 66 [Option ID = 17824]
--- Content provided by FirstRanker.com ---
Correct Answer :-64 [Option ID = 17822]
Enzymes accelerate a reaction by which one of the following strategies? [Question ID = 4414]
1. Increasing the free energy difference between substrate and the product [Option ID = 17655]
2. Decreasing energy required to form the transition state [Option ID = 17653]
--- Content provided by FirstRanker.com ---
3. Increasing kinetic energy of the substrate [Option ID = 17654]4. Changing the turn over number of enzymes [Option ID = 17656]
Correct Answer :-
Decreasing energy required to form the transition state [Option ID = 17653]
Germ-plasm theory was given by [Question ID = 4368]
--- Content provided by FirstRanker.com ---
1. Charles Darwin [Option ID = 17471]2. Walter Sutton [Option ID = 17470]
3. Gregor Mendel [Option ID = 17472]
4. Weismann [Option ID = 17469]
35)
--- Content provided by FirstRanker.com ---
36)37)
38)
39)
40)
--- Content provided by FirstRanker.com ---
Correct Answer :-Weismann [Option ID = 17469]
The following two organs are example of secondary lymphoid organs [Question ID = 4402]
1. bone marrow and MALT [Option ID = 17608]
2. spleen and GALT [Option ID = 17607]
--- Content provided by FirstRanker.com ---
3. spleen and thymus [Option ID = 17605]4. lymph nodes and thymus [Option ID = 17606]
Correct Answer :-
spleen and GALT [Option ID = 17607]
In regard to animal development, the term pattern formation refers to
--- Content provided by FirstRanker.com ---
[Question ID = 4371]1. The proteins produced by an individual cell [Option ID = 17481]
2. The process of differentiation of specific cell types [Option ID = 17483]
3. The arrangement of digits in body of an organism [Option ID = 17482]
4. The stages of development through which an organism proceeds [Option ID = 17484]
--- Content provided by FirstRanker.com ---
Correct Answer :-The arrangement of digits in body of an organism [Option ID = 17482]
Given below are some statements about prokaryotic and eukaryotic mobile genetic elements or transposon
1. Most mobile elements in bacteria transpose via RNA intermediate
--- Content provided by FirstRanker.com ---
2. Most mobile genetic elements in bacteria are DNA
3. Mobile genetic elements in eukaryotes are only transposons
--- Content provided by FirstRanker.com ---
4. Both RNA and DNA transposons are found in eukaryotesChoose the correct combination:
[Question ID = 4390]
1. 2 & 4 [Option ID = 17560]
--- Content provided by FirstRanker.com ---
2. 2 & 3 [Option ID = 17558]3. 1 & 3 [Option ID = 17557]
4. 1 & 4 [Option ID = 17559]
Correct Answer :-
2 & 4 [Option ID = 17560]
--- Content provided by FirstRanker.com ---
The word opposite in meaning to the word ?verity? is [Question ID = 4451]1. request [Option ID = 17803]
2. abandon [Option ID = 17804]
3. lie [Option ID = 17801]
4. plead [Option ID = 17802]
--- Content provided by FirstRanker.com ---
Correct Answer :-lie [Option ID = 17801]
The word closest in meaning to the word ?craven? is [Question ID = 4450]
1. a bird [Option ID = 17797]
2. coward [Option ID = 17798]
--- Content provided by FirstRanker.com ---
3. brave [Option ID = 17799]4. strong [Option ID = 17800]
Correct Answer :-
coward [Option ID = 17798]
(1/2 + 1/3) / (1/4 - 1/6) is
--- Content provided by FirstRanker.com ---
[Question ID = 4448]1. 5/72 [Option ID = 17789]
FirstRanker.com - FirstRanker's Choice
1)
2)
--- Content provided by FirstRanker.com ---
3)4)
5)
DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
PH
--- Content provided by FirstRanker.com ---
Topic:- DU_J18_MSC_BIOSCI_Topic01100 microns equals
[Question ID = 4436]
1. 10
-6
--- Content provided by FirstRanker.com ---
m [Option ID = 17741]2. 10
-4
m [Option ID = 17743]
3. 10
--- Content provided by FirstRanker.com ---
-7m [Option ID = 17744]
4. 10
-5
m [Option ID = 17742]
--- Content provided by FirstRanker.com ---
Correct Answer :-10
-4
m [Option ID = 17743]
100 Angstroms equals
--- Content provided by FirstRanker.com ---
[Question ID = 4435]1. 10
-10
m [Option ID = 17739]
2. 10
--- Content provided by FirstRanker.com ---
-9m [Option ID = 17737]
3. 10
-8
m [Option ID = 17738]
--- Content provided by FirstRanker.com ---
4. 10-12
m [Option ID = 17740]
Correct Answer :-
10
--- Content provided by FirstRanker.com ---
-8m [Option ID = 17738]
The fingerprint region is a part of
[Question ID = 4437]
1. Proton NMR spectrum [Option ID = 17745]
--- Content provided by FirstRanker.com ---
2. Infrared spectrum [Option ID = 17748]3. C
13
NMR spectrum [Option ID = 17747]
4. UV-Visible spectrum [Option ID = 17746]
--- Content provided by FirstRanker.com ---
Correct Answer :-Infrared spectrum [Option ID = 17748]
The first nucleotide polymerizing enzyme discovered was
[Question ID = 4374]
1. DNA polymerase [Option ID = 17494]
--- Content provided by FirstRanker.com ---
2. DNA primase [Option ID = 17495]3. Taq polymerase [Option ID = 17493]
4. none of these [Option ID = 17496]
Correct Answer :-
DNA polymerase [Option ID = 17494]
--- Content provided by FirstRanker.com ---
The pH of a 0.001 M solution of HCl is[Question ID = 4423]
1. 0.001 [Option ID = 17692]
2. 2 [Option ID = 17690]
3. 1 [Option ID = 17689]
--- Content provided by FirstRanker.com ---
4. 3 [Option ID = 17691]6)
7)
8)
9)
--- Content provided by FirstRanker.com ---
10)11)
Correct Answer :-
3 [Option ID = 17691]
The photosynthetic assimilation of atmospheric CO
--- Content provided by FirstRanker.com ---
2by leaves yield sucrose and starch as end products of two gluconeogenic pathways
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of the
process?
[Question ID = 4411]
--- Content provided by FirstRanker.com ---
1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]The excess oxygen consumed after a vigorous exercise help
[Question ID = 4419]
1. to pump out lactic acid from muscles [Option ID = 17673]
2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]
--- Content provided by FirstRanker.com ---
3. to increase the concentration of lactic acid in muscles [Option ID = 17674]4. to make ATP for gluconeogenesis [Option ID = 17676]
Correct Answer :-
to make ATP for gluconeogenesis [Option ID = 17676]
The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be
--- Content provided by FirstRanker.com ---
[Question ID = 4388]1. 227 Da [Option ID = 17550]
2. 110 Da [Option ID = 17551]
3. 436 Da [Option ID = 17549]
4. 350 Da [Option ID = 17552]
--- Content provided by FirstRanker.com ---
Correct Answer :-436 Da [Option ID = 17549]
The genetic distance between two genes can be different from the physical distance between them is
[Question ID = 4372]
1. impossible [Option ID = 17485]
--- Content provided by FirstRanker.com ---
2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]
Correct Answer :-
possible because genetic distance is relative unlike physical distance [Option ID = 17487]
--- Content provided by FirstRanker.com ---
The enzyme carboxypeptidase contains[Question ID = 4438]
1. Zinc ion [Option ID = 17751]
2. Iron ion [Option ID = 17750]
3. Cobalt ion [Option ID = 17752]
--- Content provided by FirstRanker.com ---
4. Calcium ion [Option ID = 17749]Correct Answer :-
Zinc ion [Option ID = 17751]
The coenzyme TPP is derived from the vitamin
12)
--- Content provided by FirstRanker.com ---
13)14)
15)
16)
[Question ID = 4441]
--- Content provided by FirstRanker.com ---
1. Tetrahydrofolate [Option ID = 17763]2. Thymine [Option ID = 17761]
3. Biotin [Option ID = 17764]
4. Ascorbic acid [Option ID = 17762]
Correct Answer :-
--- Content provided by FirstRanker.com ---
The predominant form of Immunoglobulin present at mucosal sites is[Question ID = 4405]
1. IgG [Option ID = 17618]
2. IgD [Option ID = 17619]
3. IgM [Option ID = 17620]
--- Content provided by FirstRanker.com ---
4. IgA [Option ID = 17617]Correct Answer :-
IgA [Option ID = 17617]
Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygen
deficient environments will be compromised if their
--- Content provided by FirstRanker.com ---
[Question ID = 4418]1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
2. thickness remains unchanged, but their length increases. [Option ID = 17670]
3. thickness remains unchanged, but their width decreases. [Option ID = 17671]
4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]
--- Content provided by FirstRanker.com ---
Correct Answer :-thickness increases, and the rest of the size remains the same. [Option ID = 17669]
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes like
wound healing, bone development and others, which one of the following type of enzymes is most important?
[Question ID = 4392]
--- Content provided by FirstRanker.com ---
1. Proteases [Option ID = 17566]2. Amylase [Option ID = 17567]
3. Peptidase [Option ID = 17565]
4. Lipases [Option ID = 17568]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Proteases [Option ID = 17566]DNA tangling during replication is prevented by
[Question ID = 4376]
1. DNA ligase [Option ID = 17502]
2. DNA helicase [Option ID = 17501]
--- Content provided by FirstRanker.com ---
3. DNA topoisomerase [Option ID = 17503]4. All of these [Option ID = 17504]
Correct Answer :-
DNA topoisomerase [Option ID = 17503]
Glutaric acid contains [Question ID = 4429]
--- Content provided by FirstRanker.com ---
1. 5 carbon atoms [Option ID = 17713]2. 4 carbon atoms [Option ID = 17716]
3. 2 carbon atoms [Option ID = 17714]
4. 3 carbon atoms [Option ID = 17715]
Correct Answer :-
--- Content provided by FirstRanker.com ---
5 carbon atoms [Option ID = 17713]17)
18)
19)
20)
--- Content provided by FirstRanker.com ---
21)22)
Geometric isomers are
[Question ID = 4442]
1. position isomers [Option ID = 17767]
--- Content provided by FirstRanker.com ---
2. rarely found [Option ID = 17768]3. configurational isomers [Option ID = 17765]
4. conformational isomers [Option ID = 17766]
Correct Answer :-
configurational isomers [Option ID = 17765]
--- Content provided by FirstRanker.com ---
Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves[Question ID = 4420]
1. A polymerase coded by the host [Option ID = 17678]
2. A polymerase coded by the virus itself [Option ID = 17677]
3. Host RNA polymerase [Option ID = 17679]
--- Content provided by FirstRanker.com ---
4. Unknown mechanism [Option ID = 17680]Correct Answer :-
A polymerase coded by the virus itself [Option ID = 17677]
Caprolactam is a monomer used to produce
[Question ID = 4431]
--- Content provided by FirstRanker.com ---
1. Starch [Option ID = 17722]2. Cellulose [Option ID = 17721]
3. Glycogen [Option ID = 17723]
4. Nylon [Option ID = 17724]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Nylon [Option ID = 17724]Tetracycline blocks protein synthesis by
[Question ID = 4364]
1. Inhibiting translocase enzyme [Option ID = 17456]
2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]
--- Content provided by FirstRanker.com ---
3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Correct Answer :-
Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Hematopoietic stem cells are pluripotent, which means that they are
--- Content provided by FirstRanker.com ---
[Question ID = 4400]1. capable of developing into any type of blood cells [Option ID = 17598]
2. committed to produce cells of a single lineage [Option ID = 17599]
3. not self renewal [Option ID = 17600]
4. antigen specific cells [Option ID = 17597]
--- Content provided by FirstRanker.com ---
Correct Answer :-capable of developing into any type of blood cells [Option ID = 17598]
Alveolar cells of the lung arise from which one of the following layers?
[Question ID = 4415]
1. Endoderm [Option ID = 17658]
--- Content provided by FirstRanker.com ---
2. Mesoderm [Option ID = 17657]3. Both ectoderm and endoderm [Option ID = 17660]
4. Ectoderm [Option ID = 17659]
23)
24)
--- Content provided by FirstRanker.com ---
25)26)
27)
28)
Correct Answer :-
--- Content provided by FirstRanker.com ---
Endoderm [Option ID = 17658]A Th2 cell does not produce
[Question ID = 4404]
1. Interleukin-10 [Option ID = 17615]
2. Interleukin-4 [Option ID = 17614]
--- Content provided by FirstRanker.com ---
3. Interferon gamma [Option ID = 17613]4. Interleuine-5 [Option ID = 17616]
Correct Answer :-
Interferon gamma [Option ID = 17613]
Xenon hexafluoride is a
--- Content provided by FirstRanker.com ---
[Question ID = 4439]1. Tetrahedral molecule [Option ID = 17753]
2. Square planar molecule [Option ID = 17754]
3. Octahedral molecule [Option ID = 17755]
4. Planar molecule [Option ID = 17756]
--- Content provided by FirstRanker.com ---
Correct Answer :-Octahedral molecule [Option ID = 17755]
Na
+
dependent carrier exchanger regulates cytosolic pH
--- Content provided by FirstRanker.com ---
[Question ID = 4381]1. Na
+
/ Glucose symport [Option ID = 17524]
2. Na
--- Content provided by FirstRanker.com ---
+/ K
+
exchanger [Option ID = 17523]
3. Na
--- Content provided by FirstRanker.com ---
+/ H
+
antiport [Option ID = 17522]
4. Na
--- Content provided by FirstRanker.com ---
+/ H
+
symport [Option ID = 17521]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Na+
/ H
+
antiport [Option ID = 17522]
--- Content provided by FirstRanker.com ---
Thermolysin is[Question ID = 4447]
1. a vitamin [Option ID = 17788]
2. a carbohydrate [Option ID = 17787]
3. an exopeptidase [Option ID = 17785]
--- Content provided by FirstRanker.com ---
4. an endopeptidase [Option ID = 17786]Correct Answer :-
an endopeptidase [Option ID = 17786]
During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]
1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]
--- Content provided by FirstRanker.com ---
2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]3. Binding of ribosome subunit to mRNA [Option ID = 17451]
4. Transfer of phosphate group [Option ID = 17452]
Correct Answer :-
Formation of peptide bond between adjacent amino acids [Option ID = 17450]
--- Content provided by FirstRanker.com ---
cis- and trans-butadiene are[Question ID = 4444]
1. geometric isomers [Option ID = 17773]
2. position isomers [Option ID = 17775]
29)
--- Content provided by FirstRanker.com ---
30)31)
32)
33)
34)
--- Content provided by FirstRanker.com ---
3. not isomers [Option ID = 17776]4. conformational isomers [Option ID = 17774]
Correct Answer :-
geometric isomers [Option ID = 17773]
In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalently
--- Content provided by FirstRanker.com ---
linked by[Question ID = 4395]
1. beta-1, 6-glycosidic bond [Option ID = 17578]
2. beta-1, 4-glycosidic bond [Option ID = 17580]
3. alpha-1, 6-glycosidic bond [Option ID = 17579]
--- Content provided by FirstRanker.com ---
4. alpha-1, 4-glycosidic bond [Option ID = 17577]Correct Answer :-
beta-1, 4-glycosidic bond [Option ID = 17580]
Bacterial flagella imparts motility to the cell by
[Question ID = 4397]
--- Content provided by FirstRanker.com ---
1. gliding movement [Option ID = 17587]2. rotatory movement [Option ID = 17586]
3. undulating movement [Option ID = 17585]
4. both undulating movement & rotatory movement [Option ID = 17588]
Correct Answer :-
--- Content provided by FirstRanker.com ---
rotatory movement [Option ID = 17586]The Predominant interactions between phospholipids that stabilize a biological membrane include [Question ID = 4394]
1. Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
2. Covalent and hydrophobic interaction [Option ID = 17576]
3. Hydrogen bonds and covalent interaction [Option ID = 17573]
--- Content provided by FirstRanker.com ---
4. Vander Waal interaction and ionic interaction [Option ID = 17574]Correct Answer :-
Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.
[Question ID = 4456]
--- Content provided by FirstRanker.com ---
1. 65 [Option ID = 17823]2. 64 [Option ID = 17822]
3. 63 [Option ID = 17821]
4. 66 [Option ID = 17824]
Correct Answer :-
--- Content provided by FirstRanker.com ---
64 [Option ID = 17822]Enzymes accelerate a reaction by which one of the following strategies? [Question ID = 4414]
1. Increasing the free energy difference between substrate and the product [Option ID = 17655]
2. Decreasing energy required to form the transition state [Option ID = 17653]
3. Increasing kinetic energy of the substrate [Option ID = 17654]
--- Content provided by FirstRanker.com ---
4. Changing the turn over number of enzymes [Option ID = 17656]Correct Answer :-
Decreasing energy required to form the transition state [Option ID = 17653]
Germ-plasm theory was given by [Question ID = 4368]
1. Charles Darwin [Option ID = 17471]
--- Content provided by FirstRanker.com ---
2. Walter Sutton [Option ID = 17470]3. Gregor Mendel [Option ID = 17472]
4. Weismann [Option ID = 17469]
35)
36)
--- Content provided by FirstRanker.com ---
37)38)
39)
40)
Correct Answer :-
--- Content provided by FirstRanker.com ---
Weismann [Option ID = 17469]The following two organs are example of secondary lymphoid organs [Question ID = 4402]
1. bone marrow and MALT [Option ID = 17608]
2. spleen and GALT [Option ID = 17607]
3. spleen and thymus [Option ID = 17605]
--- Content provided by FirstRanker.com ---
4. lymph nodes and thymus [Option ID = 17606]Correct Answer :-
spleen and GALT [Option ID = 17607]
In regard to animal development, the term pattern formation refers to
[Question ID = 4371]
--- Content provided by FirstRanker.com ---
1. The proteins produced by an individual cell [Option ID = 17481]2. The process of differentiation of specific cell types [Option ID = 17483]
3. The arrangement of digits in body of an organism [Option ID = 17482]
4. The stages of development through which an organism proceeds [Option ID = 17484]
Correct Answer :-
--- Content provided by FirstRanker.com ---
The arrangement of digits in body of an organism [Option ID = 17482]Given below are some statements about prokaryotic and eukaryotic mobile genetic elements or transposon
1. Most mobile elements in bacteria transpose via RNA intermediate
--- Content provided by FirstRanker.com ---
2. Most mobile genetic elements in bacteria are DNA3. Mobile genetic elements in eukaryotes are only transposons
4. Both RNA and DNA transposons are found in eukaryotes
--- Content provided by FirstRanker.com ---
Choose the correct combination:
[Question ID = 4390]
1. 2 & 4 [Option ID = 17560]
2. 2 & 3 [Option ID = 17558]
--- Content provided by FirstRanker.com ---
3. 1 & 3 [Option ID = 17557]4. 1 & 4 [Option ID = 17559]
Correct Answer :-
2 & 4 [Option ID = 17560]
The word opposite in meaning to the word ?verity? is [Question ID = 4451]
--- Content provided by FirstRanker.com ---
1. request [Option ID = 17803]2. abandon [Option ID = 17804]
3. lie [Option ID = 17801]
4. plead [Option ID = 17802]
Correct Answer :-
--- Content provided by FirstRanker.com ---
lie [Option ID = 17801]The word closest in meaning to the word ?craven? is [Question ID = 4450]
1. a bird [Option ID = 17797]
2. coward [Option ID = 17798]
3. brave [Option ID = 17799]
--- Content provided by FirstRanker.com ---
4. strong [Option ID = 17800]Correct Answer :-
coward [Option ID = 17798]
(1/2 + 1/3) / (1/4 - 1/6) is
[Question ID = 4448]
--- Content provided by FirstRanker.com ---
1. 5/72 [Option ID = 17789]41)
42)
43)
44)
--- Content provided by FirstRanker.com ---
45)46)
2. 10 [Option ID = 17790]
3. 12 [Option ID = 17792]
4. 11 [Option ID = 17791]
--- Content provided by FirstRanker.com ---
Correct Answer :-10 [Option ID = 17790]
A shirt was marked at Rs. 540=00. It was sold at 3/4 of the marked price. Find the sale price
[Question ID = 4449]
1. Rs. 400 [Option ID = 17793]
--- Content provided by FirstRanker.com ---
2. Rs. 410 [Option ID = 17795]3. Rs. 415 [Option ID = 17796]
4. Rs. 405 [Option ID = 17794]
Correct Answer :-
Rs. 405 [Option ID = 17794]
--- Content provided by FirstRanker.com ---
Artemesinin is a new drug for the treatment of [Question ID = 4424]1. Malaria [Option ID = 17695]
2. Hypercholesterolemia [Option ID = 17694]
3. Type II diabetes [Option ID = 17693]
4. Typhoid [Option ID = 17696]
--- Content provided by FirstRanker.com ---
Correct Answer :-Malaria [Option ID = 17695]
Azidothymidine is used for the treatment of
[Question ID = 4426]
1. Tuberculosis [Option ID = 17702]
--- Content provided by FirstRanker.com ---
2. Genetic disorders [Option ID = 17703]3. HIV [Option ID = 17701]
4. None of these [Option ID = 17704]
Correct Answer :-
HIV [Option ID = 17701]
--- Content provided by FirstRanker.com ---
RNAi stands for[Question ID = 4369]
1. RNA intron [Option ID = 17475]
2. RNA impulse [Option ID = 17474]
3. RNA initiator [Option ID = 17473]
--- Content provided by FirstRanker.com ---
4. RNA interference [Option ID = 17476]Correct Answer :-
RNA interference [Option ID = 17476]
If X = 3
2
--- Content provided by FirstRanker.com ---
, what is the value of XX
[Question ID = 4454]
1. 3
4
--- Content provided by FirstRanker.com ---
[Option ID = 17813]2. 3
12
[Option ID = 17815]
3. 3
--- Content provided by FirstRanker.com ---
8[Option ID = 17814]
4. 3
18
[Option ID = 17816]
--- Content provided by FirstRanker.com ---
Correct Answer :-3
18
[Option ID = 17816]
2-amino propanoic acid is
--- Content provided by FirstRanker.com ---
FirstRanker.com - FirstRanker's Choice1)
2)
3)
4)
--- Content provided by FirstRanker.com ---
5)DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
PH
Topic:- DU_J18_MSC_BIOSCI_Topic01
100 microns equals
--- Content provided by FirstRanker.com ---
[Question ID = 4436]1. 10
-6
m [Option ID = 17741]
2. 10
--- Content provided by FirstRanker.com ---
-4m [Option ID = 17743]
3. 10
-7
m [Option ID = 17744]
--- Content provided by FirstRanker.com ---
4. 10-5
m [Option ID = 17742]
Correct Answer :-
10
--- Content provided by FirstRanker.com ---
-4m [Option ID = 17743]
100 Angstroms equals
[Question ID = 4435]
1. 10
--- Content provided by FirstRanker.com ---
-10m [Option ID = 17739]
2. 10
-9
m [Option ID = 17737]
--- Content provided by FirstRanker.com ---
3. 10-8
m [Option ID = 17738]
4. 10
-12
--- Content provided by FirstRanker.com ---
m [Option ID = 17740]Correct Answer :-
10
-8
m [Option ID = 17738]
--- Content provided by FirstRanker.com ---
The fingerprint region is a part of[Question ID = 4437]
1. Proton NMR spectrum [Option ID = 17745]
2. Infrared spectrum [Option ID = 17748]
3. C
--- Content provided by FirstRanker.com ---
13NMR spectrum [Option ID = 17747]
4. UV-Visible spectrum [Option ID = 17746]
Correct Answer :-
Infrared spectrum [Option ID = 17748]
--- Content provided by FirstRanker.com ---
The first nucleotide polymerizing enzyme discovered was[Question ID = 4374]
1. DNA polymerase [Option ID = 17494]
2. DNA primase [Option ID = 17495]
3. Taq polymerase [Option ID = 17493]
--- Content provided by FirstRanker.com ---
4. none of these [Option ID = 17496]Correct Answer :-
DNA polymerase [Option ID = 17494]
The pH of a 0.001 M solution of HCl is
[Question ID = 4423]
--- Content provided by FirstRanker.com ---
1. 0.001 [Option ID = 17692]2. 2 [Option ID = 17690]
3. 1 [Option ID = 17689]
4. 3 [Option ID = 17691]
6)
--- Content provided by FirstRanker.com ---
7)8)
9)
10)
11)
--- Content provided by FirstRanker.com ---
Correct Answer :-3 [Option ID = 17691]
The photosynthetic assimilation of atmospheric CO
2
by leaves yield sucrose and starch as end products of two gluconeogenic pathways
--- Content provided by FirstRanker.com ---
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of theprocess?
[Question ID = 4411]
1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]
2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
--- Content provided by FirstRanker.com ---
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
Correct Answer :-
Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
The excess oxygen consumed after a vigorous exercise help
--- Content provided by FirstRanker.com ---
[Question ID = 4419]1. to pump out lactic acid from muscles [Option ID = 17673]
2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]
3. to increase the concentration of lactic acid in muscles [Option ID = 17674]
4. to make ATP for gluconeogenesis [Option ID = 17676]
--- Content provided by FirstRanker.com ---
Correct Answer :-to make ATP for gluconeogenesis [Option ID = 17676]
The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be
[Question ID = 4388]
1. 227 Da [Option ID = 17550]
--- Content provided by FirstRanker.com ---
2. 110 Da [Option ID = 17551]3. 436 Da [Option ID = 17549]
4. 350 Da [Option ID = 17552]
Correct Answer :-
436 Da [Option ID = 17549]
--- Content provided by FirstRanker.com ---
The genetic distance between two genes can be different from the physical distance between them is[Question ID = 4372]
1. impossible [Option ID = 17485]
2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]
3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
--- Content provided by FirstRanker.com ---
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]Correct Answer :-
possible because genetic distance is relative unlike physical distance [Option ID = 17487]
The enzyme carboxypeptidase contains
[Question ID = 4438]
--- Content provided by FirstRanker.com ---
1. Zinc ion [Option ID = 17751]2. Iron ion [Option ID = 17750]
3. Cobalt ion [Option ID = 17752]
4. Calcium ion [Option ID = 17749]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Zinc ion [Option ID = 17751]The coenzyme TPP is derived from the vitamin
12)
13)
14)
--- Content provided by FirstRanker.com ---
15)16)
[Question ID = 4441]
1. Tetrahydrofolate [Option ID = 17763]
2. Thymine [Option ID = 17761]
--- Content provided by FirstRanker.com ---
3. Biotin [Option ID = 17764]4. Ascorbic acid [Option ID = 17762]
Correct Answer :-
The predominant form of Immunoglobulin present at mucosal sites is
[Question ID = 4405]
--- Content provided by FirstRanker.com ---
1. IgG [Option ID = 17618]2. IgD [Option ID = 17619]
3. IgM [Option ID = 17620]
4. IgA [Option ID = 17617]
Correct Answer :-
--- Content provided by FirstRanker.com ---
IgA [Option ID = 17617]Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygen
deficient environments will be compromised if their
[Question ID = 4418]
1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
--- Content provided by FirstRanker.com ---
2. thickness remains unchanged, but their length increases. [Option ID = 17670]3. thickness remains unchanged, but their width decreases. [Option ID = 17671]
4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]
Correct Answer :-
thickness increases, and the rest of the size remains the same. [Option ID = 17669]
--- Content provided by FirstRanker.com ---
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes likewound healing, bone development and others, which one of the following type of enzymes is most important?
[Question ID = 4392]
1. Proteases [Option ID = 17566]
2. Amylase [Option ID = 17567]
--- Content provided by FirstRanker.com ---
3. Peptidase [Option ID = 17565]4. Lipases [Option ID = 17568]
Correct Answer :-
Proteases [Option ID = 17566]
DNA tangling during replication is prevented by
--- Content provided by FirstRanker.com ---
[Question ID = 4376]1. DNA ligase [Option ID = 17502]
2. DNA helicase [Option ID = 17501]
3. DNA topoisomerase [Option ID = 17503]
4. All of these [Option ID = 17504]
--- Content provided by FirstRanker.com ---
Correct Answer :-DNA topoisomerase [Option ID = 17503]
Glutaric acid contains [Question ID = 4429]
1. 5 carbon atoms [Option ID = 17713]
2. 4 carbon atoms [Option ID = 17716]
--- Content provided by FirstRanker.com ---
3. 2 carbon atoms [Option ID = 17714]4. 3 carbon atoms [Option ID = 17715]
Correct Answer :-
5 carbon atoms [Option ID = 17713]
17)
--- Content provided by FirstRanker.com ---
18)19)
20)
21)
22)
--- Content provided by FirstRanker.com ---
Geometric isomers are[Question ID = 4442]
1. position isomers [Option ID = 17767]
2. rarely found [Option ID = 17768]
3. configurational isomers [Option ID = 17765]
--- Content provided by FirstRanker.com ---
4. conformational isomers [Option ID = 17766]Correct Answer :-
configurational isomers [Option ID = 17765]
Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves
[Question ID = 4420]
--- Content provided by FirstRanker.com ---
1. A polymerase coded by the host [Option ID = 17678]2. A polymerase coded by the virus itself [Option ID = 17677]
3. Host RNA polymerase [Option ID = 17679]
4. Unknown mechanism [Option ID = 17680]
Correct Answer :-
--- Content provided by FirstRanker.com ---
A polymerase coded by the virus itself [Option ID = 17677]Caprolactam is a monomer used to produce
[Question ID = 4431]
1. Starch [Option ID = 17722]
2. Cellulose [Option ID = 17721]
--- Content provided by FirstRanker.com ---
3. Glycogen [Option ID = 17723]4. Nylon [Option ID = 17724]
Correct Answer :-
Nylon [Option ID = 17724]
Tetracycline blocks protein synthesis by
--- Content provided by FirstRanker.com ---
[Question ID = 4364]1. Inhibiting translocase enzyme [Option ID = 17456]
2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]
3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]
4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
--- Content provided by FirstRanker.com ---
Correct Answer :-Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Hematopoietic stem cells are pluripotent, which means that they are
[Question ID = 4400]
1. capable of developing into any type of blood cells [Option ID = 17598]
--- Content provided by FirstRanker.com ---
2. committed to produce cells of a single lineage [Option ID = 17599]3. not self renewal [Option ID = 17600]
4. antigen specific cells [Option ID = 17597]
Correct Answer :-
capable of developing into any type of blood cells [Option ID = 17598]
--- Content provided by FirstRanker.com ---
Alveolar cells of the lung arise from which one of the following layers?[Question ID = 4415]
1. Endoderm [Option ID = 17658]
2. Mesoderm [Option ID = 17657]
3. Both ectoderm and endoderm [Option ID = 17660]
--- Content provided by FirstRanker.com ---
4. Ectoderm [Option ID = 17659]23)
24)
25)
26)
--- Content provided by FirstRanker.com ---
27)28)
Correct Answer :-
Endoderm [Option ID = 17658]
A Th2 cell does not produce
--- Content provided by FirstRanker.com ---
[Question ID = 4404]1. Interleukin-10 [Option ID = 17615]
2. Interleukin-4 [Option ID = 17614]
3. Interferon gamma [Option ID = 17613]
4. Interleuine-5 [Option ID = 17616]
--- Content provided by FirstRanker.com ---
Correct Answer :-Interferon gamma [Option ID = 17613]
Xenon hexafluoride is a
[Question ID = 4439]
1. Tetrahedral molecule [Option ID = 17753]
--- Content provided by FirstRanker.com ---
2. Square planar molecule [Option ID = 17754]3. Octahedral molecule [Option ID = 17755]
4. Planar molecule [Option ID = 17756]
Correct Answer :-
Octahedral molecule [Option ID = 17755]
--- Content provided by FirstRanker.com ---
Na+
dependent carrier exchanger regulates cytosolic pH
[Question ID = 4381]
1. Na
--- Content provided by FirstRanker.com ---
+/ Glucose symport [Option ID = 17524]
2. Na
+
/ K
--- Content provided by FirstRanker.com ---
+exchanger [Option ID = 17523]
3. Na
+
/ H
--- Content provided by FirstRanker.com ---
+antiport [Option ID = 17522]
4. Na
+
/ H
--- Content provided by FirstRanker.com ---
+symport [Option ID = 17521]
Correct Answer :-
Na
+
--- Content provided by FirstRanker.com ---
/ H+
antiport [Option ID = 17522]
Thermolysin is
[Question ID = 4447]
--- Content provided by FirstRanker.com ---
1. a vitamin [Option ID = 17788]2. a carbohydrate [Option ID = 17787]
3. an exopeptidase [Option ID = 17785]
4. an endopeptidase [Option ID = 17786]
Correct Answer :-
--- Content provided by FirstRanker.com ---
an endopeptidase [Option ID = 17786]During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]
1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]
2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]
3. Binding of ribosome subunit to mRNA [Option ID = 17451]
--- Content provided by FirstRanker.com ---
4. Transfer of phosphate group [Option ID = 17452]Correct Answer :-
Formation of peptide bond between adjacent amino acids [Option ID = 17450]
cis- and trans-butadiene are
[Question ID = 4444]
--- Content provided by FirstRanker.com ---
1. geometric isomers [Option ID = 17773]2. position isomers [Option ID = 17775]
29)
30)
31)
--- Content provided by FirstRanker.com ---
32)33)
34)
3. not isomers [Option ID = 17776]
4. conformational isomers [Option ID = 17774]
--- Content provided by FirstRanker.com ---
Correct Answer :-geometric isomers [Option ID = 17773]
In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalently
linked by
[Question ID = 4395]
--- Content provided by FirstRanker.com ---
1. beta-1, 6-glycosidic bond [Option ID = 17578]2. beta-1, 4-glycosidic bond [Option ID = 17580]
3. alpha-1, 6-glycosidic bond [Option ID = 17579]
4. alpha-1, 4-glycosidic bond [Option ID = 17577]
Correct Answer :-
--- Content provided by FirstRanker.com ---
beta-1, 4-glycosidic bond [Option ID = 17580]Bacterial flagella imparts motility to the cell by
[Question ID = 4397]
1. gliding movement [Option ID = 17587]
2. rotatory movement [Option ID = 17586]
--- Content provided by FirstRanker.com ---
3. undulating movement [Option ID = 17585]4. both undulating movement & rotatory movement [Option ID = 17588]
Correct Answer :-
rotatory movement [Option ID = 17586]
The Predominant interactions between phospholipids that stabilize a biological membrane include [Question ID = 4394]
--- Content provided by FirstRanker.com ---
1. Hydrophobic interaction and hydrogen bonding [Option ID = 17575]2. Covalent and hydrophobic interaction [Option ID = 17576]
3. Hydrogen bonds and covalent interaction [Option ID = 17573]
4. Vander Waal interaction and ionic interaction [Option ID = 17574]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Hydrophobic interaction and hydrogen bonding [Option ID = 17575]5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.
[Question ID = 4456]
1. 65 [Option ID = 17823]
2. 64 [Option ID = 17822]
--- Content provided by FirstRanker.com ---
3. 63 [Option ID = 17821]4. 66 [Option ID = 17824]
Correct Answer :-
64 [Option ID = 17822]
Enzymes accelerate a reaction by which one of the following strategies? [Question ID = 4414]
--- Content provided by FirstRanker.com ---
1. Increasing the free energy difference between substrate and the product [Option ID = 17655]2. Decreasing energy required to form the transition state [Option ID = 17653]
3. Increasing kinetic energy of the substrate [Option ID = 17654]
4. Changing the turn over number of enzymes [Option ID = 17656]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Decreasing energy required to form the transition state [Option ID = 17653]Germ-plasm theory was given by [Question ID = 4368]
1. Charles Darwin [Option ID = 17471]
2. Walter Sutton [Option ID = 17470]
3. Gregor Mendel [Option ID = 17472]
--- Content provided by FirstRanker.com ---
4. Weismann [Option ID = 17469]35)
36)
37)
38)
--- Content provided by FirstRanker.com ---
39)40)
Correct Answer :-
Weismann [Option ID = 17469]
The following two organs are example of secondary lymphoid organs [Question ID = 4402]
--- Content provided by FirstRanker.com ---
1. bone marrow and MALT [Option ID = 17608]2. spleen and GALT [Option ID = 17607]
3. spleen and thymus [Option ID = 17605]
4. lymph nodes and thymus [Option ID = 17606]
Correct Answer :-
--- Content provided by FirstRanker.com ---
spleen and GALT [Option ID = 17607]In regard to animal development, the term pattern formation refers to
[Question ID = 4371]
1. The proteins produced by an individual cell [Option ID = 17481]
2. The process of differentiation of specific cell types [Option ID = 17483]
--- Content provided by FirstRanker.com ---
3. The arrangement of digits in body of an organism [Option ID = 17482]4. The stages of development through which an organism proceeds [Option ID = 17484]
Correct Answer :-
The arrangement of digits in body of an organism [Option ID = 17482]
Given below are some statements about prokaryotic and eukaryotic mobile genetic elements or transposon
--- Content provided by FirstRanker.com ---
1. Most mobile elements in bacteria transpose via RNA intermediate
2. Most mobile genetic elements in bacteria are DNA
--- Content provided by FirstRanker.com ---
3. Mobile genetic elements in eukaryotes are only transposons4. Both RNA and DNA transposons are found in eukaryotes
Choose the correct combination:
--- Content provided by FirstRanker.com ---
[Question ID = 4390]1. 2 & 4 [Option ID = 17560]
2. 2 & 3 [Option ID = 17558]
3. 1 & 3 [Option ID = 17557]
4. 1 & 4 [Option ID = 17559]
--- Content provided by FirstRanker.com ---
Correct Answer :-2 & 4 [Option ID = 17560]
The word opposite in meaning to the word ?verity? is [Question ID = 4451]
1. request [Option ID = 17803]
2. abandon [Option ID = 17804]
--- Content provided by FirstRanker.com ---
3. lie [Option ID = 17801]4. plead [Option ID = 17802]
Correct Answer :-
lie [Option ID = 17801]
The word closest in meaning to the word ?craven? is [Question ID = 4450]
--- Content provided by FirstRanker.com ---
1. a bird [Option ID = 17797]2. coward [Option ID = 17798]
3. brave [Option ID = 17799]
4. strong [Option ID = 17800]
Correct Answer :-
--- Content provided by FirstRanker.com ---
coward [Option ID = 17798](1/2 + 1/3) / (1/4 - 1/6) is
[Question ID = 4448]
1. 5/72 [Option ID = 17789]
41)
--- Content provided by FirstRanker.com ---
42)43)
44)
45)
46)
--- Content provided by FirstRanker.com ---
2. 10 [Option ID = 17790]3. 12 [Option ID = 17792]
4. 11 [Option ID = 17791]
Correct Answer :-
10 [Option ID = 17790]
--- Content provided by FirstRanker.com ---
A shirt was marked at Rs. 540=00. It was sold at 3/4 of the marked price. Find the sale price[Question ID = 4449]
1. Rs. 400 [Option ID = 17793]
2. Rs. 410 [Option ID = 17795]
3. Rs. 415 [Option ID = 17796]
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4. Rs. 405 [Option ID = 17794]Correct Answer :-
Rs. 405 [Option ID = 17794]
Artemesinin is a new drug for the treatment of [Question ID = 4424]
1. Malaria [Option ID = 17695]
--- Content provided by FirstRanker.com ---
2. Hypercholesterolemia [Option ID = 17694]3. Type II diabetes [Option ID = 17693]
4. Typhoid [Option ID = 17696]
Correct Answer :-
Malaria [Option ID = 17695]
--- Content provided by FirstRanker.com ---
Azidothymidine is used for the treatment of[Question ID = 4426]
1. Tuberculosis [Option ID = 17702]
2. Genetic disorders [Option ID = 17703]
3. HIV [Option ID = 17701]
--- Content provided by FirstRanker.com ---
4. None of these [Option ID = 17704]Correct Answer :-
HIV [Option ID = 17701]
RNAi stands for
[Question ID = 4369]
--- Content provided by FirstRanker.com ---
1. RNA intron [Option ID = 17475]2. RNA impulse [Option ID = 17474]
3. RNA initiator [Option ID = 17473]
4. RNA interference [Option ID = 17476]
Correct Answer :-
--- Content provided by FirstRanker.com ---
RNA interference [Option ID = 17476]If X = 3
2
, what is the value of X
X
--- Content provided by FirstRanker.com ---
[Question ID = 4454]1. 3
4
[Option ID = 17813]
2. 3
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12[Option ID = 17815]
3. 3
8
[Option ID = 17814]
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4. 318
[Option ID = 17816]
Correct Answer :-
3
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18[Option ID = 17816]
2-amino propanoic acid is
47)
48)
--- Content provided by FirstRanker.com ---
49)50)
51)
[Question ID = 4387]
1. Glycine [Option ID = 17548]
--- Content provided by FirstRanker.com ---
2. Leucine [Option ID = 17547]3. Valine [Option ID = 17545]
4. Alanine [Option ID = 17546]
Correct Answer :-
Alanine [Option ID = 17546]
--- Content provided by FirstRanker.com ---
During denaturation of double?helical DNA,[Question ID = 4389]
1. Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
2. Denaturation increases with decreasing temperature [Option ID = 17553]
3. G-C rich DNA melts at the same temperature as A-T rich DNA [Option ID = 17555]
--- Content provided by FirstRanker.com ---
4. Once denatured, DNA strands cannot anneal [Option ID = 17556]Correct Answer :-
Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
During apoptosis, the cell
[Question ID = 4380]
--- Content provided by FirstRanker.com ---
1. all of the these [Option ID = 17520]2. phosphatidylserine (PS) is flipped to outer side of membrane [Option ID = 17518]
3. releases of Cytochrome c from mitochondria [Option ID = 17519]
4. loses membrane asymmetry [Option ID = 17517]
Correct Answer :-
--- Content provided by FirstRanker.com ---
all of the these [Option ID = 17520]Injecting Maturation Promoting Factor (MPF) in S phase cell results in
[Question ID = 4393]
1. all cells move to G1 phase [Option ID = 17569]
2. all cells move to M phase [Option ID = 17571]
--- Content provided by FirstRanker.com ---
3. all of these [Option ID = 17572]4. all cell remain in S phase [Option ID = 17570]
Correct Answer :-
all cells move to M phase [Option ID = 17571]
Viral replication within the cells is inhibited by
--- Content provided by FirstRanker.com ---
[Question ID = 4398]1. IL-1 [Option ID = 17590]
2. IL-4 [Option ID = 17589]
3. IFN alpha [Option ID = 17591]
4. TNF alpha [Option ID = 17592]
--- Content provided by FirstRanker.com ---
Correct Answer :-IFN alpha [Option ID = 17591]
A researcher would like to monitor the level of protein in the blood serum. Which one of the following methods would be best suited
for the purpose?
[Question ID = 4409]
--- Content provided by FirstRanker.com ---
1. Enzyme linked immunosorbent assay [Option ID = 17635]2. Immunoflouroscence microscopy [Option ID = 17633]
3. Flourescence cell sorting [Option ID = 17636]
4. Fluorescence in-situ hybridization [Option ID = 17634]
FirstRanker.com - FirstRanker's Choice
--- Content provided by FirstRanker.com ---
1)2)
3)
4)
5)
--- Content provided by FirstRanker.com ---
DU MSc PhD Comb degree Bio Sci N MSc Bio SciPH
Topic:- DU_J18_MSC_BIOSCI_Topic01
100 microns equals
[Question ID = 4436]
--- Content provided by FirstRanker.com ---
1. 10-6
m [Option ID = 17741]
2. 10
-4
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m [Option ID = 17743]3. 10
-7
m [Option ID = 17744]
4. 10
--- Content provided by FirstRanker.com ---
-5m [Option ID = 17742]
Correct Answer :-
10
-4
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m [Option ID = 17743]100 Angstroms equals
[Question ID = 4435]
1. 10
-10
--- Content provided by FirstRanker.com ---
m [Option ID = 17739]2. 10
-9
m [Option ID = 17737]
3. 10
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-8m [Option ID = 17738]
4. 10
-12
m [Option ID = 17740]
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Correct Answer :-10
-8
m [Option ID = 17738]
The fingerprint region is a part of
--- Content provided by FirstRanker.com ---
[Question ID = 4437]1. Proton NMR spectrum [Option ID = 17745]
2. Infrared spectrum [Option ID = 17748]
3. C
13
--- Content provided by FirstRanker.com ---
NMR spectrum [Option ID = 17747]4. UV-Visible spectrum [Option ID = 17746]
Correct Answer :-
Infrared spectrum [Option ID = 17748]
The first nucleotide polymerizing enzyme discovered was
--- Content provided by FirstRanker.com ---
[Question ID = 4374]1. DNA polymerase [Option ID = 17494]
2. DNA primase [Option ID = 17495]
3. Taq polymerase [Option ID = 17493]
4. none of these [Option ID = 17496]
--- Content provided by FirstRanker.com ---
Correct Answer :-DNA polymerase [Option ID = 17494]
The pH of a 0.001 M solution of HCl is
[Question ID = 4423]
1. 0.001 [Option ID = 17692]
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2. 2 [Option ID = 17690]3. 1 [Option ID = 17689]
4. 3 [Option ID = 17691]
6)
7)
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8)9)
10)
11)
Correct Answer :-
--- Content provided by FirstRanker.com ---
3 [Option ID = 17691]The photosynthetic assimilation of atmospheric CO
2
by leaves yield sucrose and starch as end products of two gluconeogenic pathways
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of the
--- Content provided by FirstRanker.com ---
process?[Question ID = 4411]
1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]
2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
--- Content provided by FirstRanker.com ---
4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]Correct Answer :-
Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
The excess oxygen consumed after a vigorous exercise help
[Question ID = 4419]
--- Content provided by FirstRanker.com ---
1. to pump out lactic acid from muscles [Option ID = 17673]2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]
3. to increase the concentration of lactic acid in muscles [Option ID = 17674]
4. to make ATP for gluconeogenesis [Option ID = 17676]
Correct Answer :-
--- Content provided by FirstRanker.com ---
to make ATP for gluconeogenesis [Option ID = 17676]The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be
[Question ID = 4388]
1. 227 Da [Option ID = 17550]
2. 110 Da [Option ID = 17551]
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3. 436 Da [Option ID = 17549]4. 350 Da [Option ID = 17552]
Correct Answer :-
436 Da [Option ID = 17549]
The genetic distance between two genes can be different from the physical distance between them is
--- Content provided by FirstRanker.com ---
[Question ID = 4372]1. impossible [Option ID = 17485]
2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]
3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]
--- Content provided by FirstRanker.com ---
Correct Answer :-possible because genetic distance is relative unlike physical distance [Option ID = 17487]
The enzyme carboxypeptidase contains
[Question ID = 4438]
1. Zinc ion [Option ID = 17751]
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2. Iron ion [Option ID = 17750]3. Cobalt ion [Option ID = 17752]
4. Calcium ion [Option ID = 17749]
Correct Answer :-
Zinc ion [Option ID = 17751]
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The coenzyme TPP is derived from the vitamin12)
13)
14)
15)
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16)[Question ID = 4441]
1. Tetrahydrofolate [Option ID = 17763]
2. Thymine [Option ID = 17761]
3. Biotin [Option ID = 17764]
--- Content provided by FirstRanker.com ---
4. Ascorbic acid [Option ID = 17762]Correct Answer :-
The predominant form of Immunoglobulin present at mucosal sites is
[Question ID = 4405]
1. IgG [Option ID = 17618]
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2. IgD [Option ID = 17619]3. IgM [Option ID = 17620]
4. IgA [Option ID = 17617]
Correct Answer :-
IgA [Option ID = 17617]
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Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygendeficient environments will be compromised if their
[Question ID = 4418]
1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
2. thickness remains unchanged, but their length increases. [Option ID = 17670]
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3. thickness remains unchanged, but their width decreases. [Option ID = 17671]4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]
Correct Answer :-
thickness increases, and the rest of the size remains the same. [Option ID = 17669]
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes like
--- Content provided by FirstRanker.com ---
wound healing, bone development and others, which one of the following type of enzymes is most important?[Question ID = 4392]
1. Proteases [Option ID = 17566]
2. Amylase [Option ID = 17567]
3. Peptidase [Option ID = 17565]
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4. Lipases [Option ID = 17568]Correct Answer :-
Proteases [Option ID = 17566]
DNA tangling during replication is prevented by
[Question ID = 4376]
--- Content provided by FirstRanker.com ---
1. DNA ligase [Option ID = 17502]2. DNA helicase [Option ID = 17501]
3. DNA topoisomerase [Option ID = 17503]
4. All of these [Option ID = 17504]
Correct Answer :-
--- Content provided by FirstRanker.com ---
DNA topoisomerase [Option ID = 17503]Glutaric acid contains [Question ID = 4429]
1. 5 carbon atoms [Option ID = 17713]
2. 4 carbon atoms [Option ID = 17716]
3. 2 carbon atoms [Option ID = 17714]
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4. 3 carbon atoms [Option ID = 17715]Correct Answer :-
5 carbon atoms [Option ID = 17713]
17)
18)
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19)20)
21)
22)
Geometric isomers are
--- Content provided by FirstRanker.com ---
[Question ID = 4442]1. position isomers [Option ID = 17767]
2. rarely found [Option ID = 17768]
3. configurational isomers [Option ID = 17765]
4. conformational isomers [Option ID = 17766]
--- Content provided by FirstRanker.com ---
Correct Answer :-configurational isomers [Option ID = 17765]
Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves
[Question ID = 4420]
1. A polymerase coded by the host [Option ID = 17678]
--- Content provided by FirstRanker.com ---
2. A polymerase coded by the virus itself [Option ID = 17677]3. Host RNA polymerase [Option ID = 17679]
4. Unknown mechanism [Option ID = 17680]
Correct Answer :-
A polymerase coded by the virus itself [Option ID = 17677]
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Caprolactam is a monomer used to produce[Question ID = 4431]
1. Starch [Option ID = 17722]
2. Cellulose [Option ID = 17721]
3. Glycogen [Option ID = 17723]
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4. Nylon [Option ID = 17724]Correct Answer :-
Nylon [Option ID = 17724]
Tetracycline blocks protein synthesis by
[Question ID = 4364]
--- Content provided by FirstRanker.com ---
1. Inhibiting translocase enzyme [Option ID = 17456]2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]
3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]
4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]Hematopoietic stem cells are pluripotent, which means that they are
[Question ID = 4400]
1. capable of developing into any type of blood cells [Option ID = 17598]
2. committed to produce cells of a single lineage [Option ID = 17599]
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3. not self renewal [Option ID = 17600]4. antigen specific cells [Option ID = 17597]
Correct Answer :-
capable of developing into any type of blood cells [Option ID = 17598]
Alveolar cells of the lung arise from which one of the following layers?
--- Content provided by FirstRanker.com ---
[Question ID = 4415]1. Endoderm [Option ID = 17658]
2. Mesoderm [Option ID = 17657]
3. Both ectoderm and endoderm [Option ID = 17660]
4. Ectoderm [Option ID = 17659]
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23)24)
25)
26)
27)
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28)Correct Answer :-
Endoderm [Option ID = 17658]
A Th2 cell does not produce
[Question ID = 4404]
--- Content provided by FirstRanker.com ---
1. Interleukin-10 [Option ID = 17615]2. Interleukin-4 [Option ID = 17614]
3. Interferon gamma [Option ID = 17613]
4. Interleuine-5 [Option ID = 17616]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Interferon gamma [Option ID = 17613]Xenon hexafluoride is a
[Question ID = 4439]
1. Tetrahedral molecule [Option ID = 17753]
2. Square planar molecule [Option ID = 17754]
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3. Octahedral molecule [Option ID = 17755]4. Planar molecule [Option ID = 17756]
Correct Answer :-
Octahedral molecule [Option ID = 17755]
Na
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+dependent carrier exchanger regulates cytosolic pH
[Question ID = 4381]
1. Na
+
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/ Glucose symport [Option ID = 17524]2. Na
+
/ K
+
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exchanger [Option ID = 17523]3. Na
+
/ H
+
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antiport [Option ID = 17522]4. Na
+
/ H
+
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symport [Option ID = 17521]Correct Answer :-
Na
+
/ H
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+antiport [Option ID = 17522]
Thermolysin is
[Question ID = 4447]
1. a vitamin [Option ID = 17788]
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2. a carbohydrate [Option ID = 17787]3. an exopeptidase [Option ID = 17785]
4. an endopeptidase [Option ID = 17786]
Correct Answer :-
an endopeptidase [Option ID = 17786]
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During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]
2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]
3. Binding of ribosome subunit to mRNA [Option ID = 17451]
4. Transfer of phosphate group [Option ID = 17452]
--- Content provided by FirstRanker.com ---
Correct Answer :-Formation of peptide bond between adjacent amino acids [Option ID = 17450]
cis- and trans-butadiene are
[Question ID = 4444]
1. geometric isomers [Option ID = 17773]
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2. position isomers [Option ID = 17775]29)
30)
31)
32)
--- Content provided by FirstRanker.com ---
33)34)
3. not isomers [Option ID = 17776]
4. conformational isomers [Option ID = 17774]
Correct Answer :-
--- Content provided by FirstRanker.com ---
geometric isomers [Option ID = 17773]In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalently
linked by
[Question ID = 4395]
1. beta-1, 6-glycosidic bond [Option ID = 17578]
--- Content provided by FirstRanker.com ---
2. beta-1, 4-glycosidic bond [Option ID = 17580]3. alpha-1, 6-glycosidic bond [Option ID = 17579]
4. alpha-1, 4-glycosidic bond [Option ID = 17577]
Correct Answer :-
beta-1, 4-glycosidic bond [Option ID = 17580]
--- Content provided by FirstRanker.com ---
Bacterial flagella imparts motility to the cell by[Question ID = 4397]
1. gliding movement [Option ID = 17587]
2. rotatory movement [Option ID = 17586]
3. undulating movement [Option ID = 17585]
--- Content provided by FirstRanker.com ---
4. both undulating movement & rotatory movement [Option ID = 17588]Correct Answer :-
rotatory movement [Option ID = 17586]
The Predominant interactions between phospholipids that stabilize a biological membrane include [Question ID = 4394]
1. Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
--- Content provided by FirstRanker.com ---
2. Covalent and hydrophobic interaction [Option ID = 17576]3. Hydrogen bonds and covalent interaction [Option ID = 17573]
4. Vander Waal interaction and ionic interaction [Option ID = 17574]
Correct Answer :-
Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
--- Content provided by FirstRanker.com ---
5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.[Question ID = 4456]
1. 65 [Option ID = 17823]
2. 64 [Option ID = 17822]
3. 63 [Option ID = 17821]
--- Content provided by FirstRanker.com ---
4. 66 [Option ID = 17824]Correct Answer :-
64 [Option ID = 17822]
Enzymes accelerate a reaction by which one of the following strategies? [Question ID = 4414]
1. Increasing the free energy difference between substrate and the product [Option ID = 17655]
--- Content provided by FirstRanker.com ---
2. Decreasing energy required to form the transition state [Option ID = 17653]3. Increasing kinetic energy of the substrate [Option ID = 17654]
4. Changing the turn over number of enzymes [Option ID = 17656]
Correct Answer :-
Decreasing energy required to form the transition state [Option ID = 17653]
--- Content provided by FirstRanker.com ---
Germ-plasm theory was given by [Question ID = 4368]1. Charles Darwin [Option ID = 17471]
2. Walter Sutton [Option ID = 17470]
3. Gregor Mendel [Option ID = 17472]
4. Weismann [Option ID = 17469]
--- Content provided by FirstRanker.com ---
35)36)
37)
38)
39)
--- Content provided by FirstRanker.com ---
40)Correct Answer :-
Weismann [Option ID = 17469]
The following two organs are example of secondary lymphoid organs [Question ID = 4402]
1. bone marrow and MALT [Option ID = 17608]
--- Content provided by FirstRanker.com ---
2. spleen and GALT [Option ID = 17607]3. spleen and thymus [Option ID = 17605]
4. lymph nodes and thymus [Option ID = 17606]
Correct Answer :-
spleen and GALT [Option ID = 17607]
--- Content provided by FirstRanker.com ---
In regard to animal development, the term pattern formation refers to[Question ID = 4371]
1. The proteins produced by an individual cell [Option ID = 17481]
2. The process of differentiation of specific cell types [Option ID = 17483]
3. The arrangement of digits in body of an organism [Option ID = 17482]
--- Content provided by FirstRanker.com ---
4. The stages of development through which an organism proceeds [Option ID = 17484]Correct Answer :-
The arrangement of digits in body of an organism [Option ID = 17482]
Given below are some statements about prokaryotic and eukaryotic mobile genetic elements or transposon
--- Content provided by FirstRanker.com ---
1. Most mobile elements in bacteria transpose via RNA intermediate2. Most mobile genetic elements in bacteria are DNA
3. Mobile genetic elements in eukaryotes are only transposons
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4. Both RNA and DNA transposons are found in eukaryotes
Choose the correct combination:
[Question ID = 4390]
--- Content provided by FirstRanker.com ---
1. 2 & 4 [Option ID = 17560]2. 2 & 3 [Option ID = 17558]
3. 1 & 3 [Option ID = 17557]
4. 1 & 4 [Option ID = 17559]
Correct Answer :-
--- Content provided by FirstRanker.com ---
2 & 4 [Option ID = 17560]The word opposite in meaning to the word ?verity? is [Question ID = 4451]
1. request [Option ID = 17803]
2. abandon [Option ID = 17804]
3. lie [Option ID = 17801]
--- Content provided by FirstRanker.com ---
4. plead [Option ID = 17802]Correct Answer :-
lie [Option ID = 17801]
The word closest in meaning to the word ?craven? is [Question ID = 4450]
1. a bird [Option ID = 17797]
--- Content provided by FirstRanker.com ---
2. coward [Option ID = 17798]3. brave [Option ID = 17799]
4. strong [Option ID = 17800]
Correct Answer :-
coward [Option ID = 17798]
--- Content provided by FirstRanker.com ---
(1/2 + 1/3) / (1/4 - 1/6) is[Question ID = 4448]
1. 5/72 [Option ID = 17789]
41)
42)
--- Content provided by FirstRanker.com ---
43)44)
45)
46)
2. 10 [Option ID = 17790]
--- Content provided by FirstRanker.com ---
3. 12 [Option ID = 17792]4. 11 [Option ID = 17791]
Correct Answer :-
10 [Option ID = 17790]
A shirt was marked at Rs. 540=00. It was sold at 3/4 of the marked price. Find the sale price
--- Content provided by FirstRanker.com ---
[Question ID = 4449]1. Rs. 400 [Option ID = 17793]
2. Rs. 410 [Option ID = 17795]
3. Rs. 415 [Option ID = 17796]
4. Rs. 405 [Option ID = 17794]
--- Content provided by FirstRanker.com ---
Correct Answer :-Rs. 405 [Option ID = 17794]
Artemesinin is a new drug for the treatment of [Question ID = 4424]
1. Malaria [Option ID = 17695]
2. Hypercholesterolemia [Option ID = 17694]
--- Content provided by FirstRanker.com ---
3. Type II diabetes [Option ID = 17693]4. Typhoid [Option ID = 17696]
Correct Answer :-
Malaria [Option ID = 17695]
Azidothymidine is used for the treatment of
--- Content provided by FirstRanker.com ---
[Question ID = 4426]1. Tuberculosis [Option ID = 17702]
2. Genetic disorders [Option ID = 17703]
3. HIV [Option ID = 17701]
4. None of these [Option ID = 17704]
--- Content provided by FirstRanker.com ---
Correct Answer :-HIV [Option ID = 17701]
RNAi stands for
[Question ID = 4369]
1. RNA intron [Option ID = 17475]
--- Content provided by FirstRanker.com ---
2. RNA impulse [Option ID = 17474]3. RNA initiator [Option ID = 17473]
4. RNA interference [Option ID = 17476]
Correct Answer :-
RNA interference [Option ID = 17476]
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If X = 32
, what is the value of X
X
[Question ID = 4454]
--- Content provided by FirstRanker.com ---
1. 34
[Option ID = 17813]
2. 3
12
--- Content provided by FirstRanker.com ---
[Option ID = 17815]3. 3
8
[Option ID = 17814]
4. 3
--- Content provided by FirstRanker.com ---
18[Option ID = 17816]
Correct Answer :-
3
18
--- Content provided by FirstRanker.com ---
[Option ID = 17816]2-amino propanoic acid is
47)
48)
49)
--- Content provided by FirstRanker.com ---
50)51)
[Question ID = 4387]
1. Glycine [Option ID = 17548]
2. Leucine [Option ID = 17547]
--- Content provided by FirstRanker.com ---
3. Valine [Option ID = 17545]4. Alanine [Option ID = 17546]
Correct Answer :-
Alanine [Option ID = 17546]
During denaturation of double?helical DNA,
--- Content provided by FirstRanker.com ---
[Question ID = 4389]1. Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
2. Denaturation increases with decreasing temperature [Option ID = 17553]
3. G-C rich DNA melts at the same temperature as A-T rich DNA [Option ID = 17555]
4. Once denatured, DNA strands cannot anneal [Option ID = 17556]
--- Content provided by FirstRanker.com ---
Correct Answer :-Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
During apoptosis, the cell
[Question ID = 4380]
1. all of the these [Option ID = 17520]
--- Content provided by FirstRanker.com ---
2. phosphatidylserine (PS) is flipped to outer side of membrane [Option ID = 17518]3. releases of Cytochrome c from mitochondria [Option ID = 17519]
4. loses membrane asymmetry [Option ID = 17517]
Correct Answer :-
all of the these [Option ID = 17520]
--- Content provided by FirstRanker.com ---
Injecting Maturation Promoting Factor (MPF) in S phase cell results in[Question ID = 4393]
1. all cells move to G1 phase [Option ID = 17569]
2. all cells move to M phase [Option ID = 17571]
3. all of these [Option ID = 17572]
--- Content provided by FirstRanker.com ---
4. all cell remain in S phase [Option ID = 17570]Correct Answer :-
all cells move to M phase [Option ID = 17571]
Viral replication within the cells is inhibited by
[Question ID = 4398]
--- Content provided by FirstRanker.com ---
1. IL-1 [Option ID = 17590]2. IL-4 [Option ID = 17589]
3. IFN alpha [Option ID = 17591]
4. TNF alpha [Option ID = 17592]
Correct Answer :-
--- Content provided by FirstRanker.com ---
IFN alpha [Option ID = 17591]A researcher would like to monitor the level of protein in the blood serum. Which one of the following methods would be best suited
for the purpose?
[Question ID = 4409]
1. Enzyme linked immunosorbent assay [Option ID = 17635]
--- Content provided by FirstRanker.com ---
2. Immunoflouroscence microscopy [Option ID = 17633]3. Flourescence cell sorting [Option ID = 17636]
4. Fluorescence in-situ hybridization [Option ID = 17634]
52)
53)
--- Content provided by FirstRanker.com ---
54)55)
56)
57)
Correct Answer :-
--- Content provided by FirstRanker.com ---
Enzyme linked immunosorbent assay [Option ID = 17635]Catabolite repression refers to
[Question ID = 4365]
1. Inhibition of glucose utilization in the presence of lactose [Option ID = 17459]
2. Inhibition of uptake and metabolism of lactose in the absence of glucose [Option ID = 17457]
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3. Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]4. None of these [Option ID = 17460]
Correct Answer :-
Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
Phthalates are components of [Question ID = 4422]
--- Content provided by FirstRanker.com ---
1. Aerosols [Option ID = 17686]2. Hand sanitizers [Option ID = 17685]
3. Pigments extracted from natural products [Option ID = 17688]
4. Dyes [Option ID = 17687]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Hand sanitizers [Option ID = 17685]Replicative senescence is due to
[Question ID = 4377]
1. DNA polymerization [Option ID = 17507]
2. Telomerase activation [Option ID = 17506]
--- Content provided by FirstRanker.com ---
3. Shortening of telomere repeats [Option ID = 17505]4. Active RNA Synthesis [Option ID = 17508]
Correct Answer :-
Shortening of telomere repeats [Option ID = 17505]
The product of the reaction of aniline with sodium nitrite and dilute HCl in ice yields [Question ID = 4428]
--- Content provided by FirstRanker.com ---
1. Nitrobenzene [Option ID = 17712]2. Sodium nitrate [Option ID = 17709]
3. Nitric acid [Option ID = 17710]
4. Diazonium chloride [Option ID = 17711]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Diazonium chloride [Option ID = 17711][Question ID = 4455]
1. 400g [Option ID = 17819]
2. 200g [Option ID = 17817]
3. 500g [Option ID = 17820]
--- Content provided by FirstRanker.com ---
4. 300g [Option ID = 17818]Correct Answer :-
300g [Option ID = 17818]
[Question ID = 4453]
1. 4 [Option ID = 17812]
--- Content provided by FirstRanker.com ---
FirstRanker.com - FirstRanker's Choice1)
2)
3)
4)
--- Content provided by FirstRanker.com ---
5)DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
PH
Topic:- DU_J18_MSC_BIOSCI_Topic01
100 microns equals
--- Content provided by FirstRanker.com ---
[Question ID = 4436]1. 10
-6
m [Option ID = 17741]
2. 10
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-4m [Option ID = 17743]
3. 10
-7
m [Option ID = 17744]
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4. 10-5
m [Option ID = 17742]
Correct Answer :-
10
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-4m [Option ID = 17743]
100 Angstroms equals
[Question ID = 4435]
1. 10
--- Content provided by FirstRanker.com ---
-10m [Option ID = 17739]
2. 10
-9
m [Option ID = 17737]
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3. 10-8
m [Option ID = 17738]
4. 10
-12
--- Content provided by FirstRanker.com ---
m [Option ID = 17740]Correct Answer :-
10
-8
m [Option ID = 17738]
--- Content provided by FirstRanker.com ---
The fingerprint region is a part of[Question ID = 4437]
1. Proton NMR spectrum [Option ID = 17745]
2. Infrared spectrum [Option ID = 17748]
3. C
--- Content provided by FirstRanker.com ---
13NMR spectrum [Option ID = 17747]
4. UV-Visible spectrum [Option ID = 17746]
Correct Answer :-
Infrared spectrum [Option ID = 17748]
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The first nucleotide polymerizing enzyme discovered was[Question ID = 4374]
1. DNA polymerase [Option ID = 17494]
2. DNA primase [Option ID = 17495]
3. Taq polymerase [Option ID = 17493]
--- Content provided by FirstRanker.com ---
4. none of these [Option ID = 17496]Correct Answer :-
DNA polymerase [Option ID = 17494]
The pH of a 0.001 M solution of HCl is
[Question ID = 4423]
--- Content provided by FirstRanker.com ---
1. 0.001 [Option ID = 17692]2. 2 [Option ID = 17690]
3. 1 [Option ID = 17689]
4. 3 [Option ID = 17691]
6)
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7)8)
9)
10)
11)
--- Content provided by FirstRanker.com ---
Correct Answer :-3 [Option ID = 17691]
The photosynthetic assimilation of atmospheric CO
2
by leaves yield sucrose and starch as end products of two gluconeogenic pathways
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that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of theprocess?
[Question ID = 4411]
1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]
2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
--- Content provided by FirstRanker.com ---
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
Correct Answer :-
Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
The excess oxygen consumed after a vigorous exercise help
--- Content provided by FirstRanker.com ---
[Question ID = 4419]1. to pump out lactic acid from muscles [Option ID = 17673]
2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]
3. to increase the concentration of lactic acid in muscles [Option ID = 17674]
4. to make ATP for gluconeogenesis [Option ID = 17676]
--- Content provided by FirstRanker.com ---
Correct Answer :-to make ATP for gluconeogenesis [Option ID = 17676]
The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be
[Question ID = 4388]
1. 227 Da [Option ID = 17550]
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2. 110 Da [Option ID = 17551]3. 436 Da [Option ID = 17549]
4. 350 Da [Option ID = 17552]
Correct Answer :-
436 Da [Option ID = 17549]
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The genetic distance between two genes can be different from the physical distance between them is[Question ID = 4372]
1. impossible [Option ID = 17485]
2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]
3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
--- Content provided by FirstRanker.com ---
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]Correct Answer :-
possible because genetic distance is relative unlike physical distance [Option ID = 17487]
The enzyme carboxypeptidase contains
[Question ID = 4438]
--- Content provided by FirstRanker.com ---
1. Zinc ion [Option ID = 17751]2. Iron ion [Option ID = 17750]
3. Cobalt ion [Option ID = 17752]
4. Calcium ion [Option ID = 17749]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Zinc ion [Option ID = 17751]The coenzyme TPP is derived from the vitamin
12)
13)
14)
--- Content provided by FirstRanker.com ---
15)16)
[Question ID = 4441]
1. Tetrahydrofolate [Option ID = 17763]
2. Thymine [Option ID = 17761]
--- Content provided by FirstRanker.com ---
3. Biotin [Option ID = 17764]4. Ascorbic acid [Option ID = 17762]
Correct Answer :-
The predominant form of Immunoglobulin present at mucosal sites is
[Question ID = 4405]
--- Content provided by FirstRanker.com ---
1. IgG [Option ID = 17618]2. IgD [Option ID = 17619]
3. IgM [Option ID = 17620]
4. IgA [Option ID = 17617]
Correct Answer :-
--- Content provided by FirstRanker.com ---
IgA [Option ID = 17617]Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygen
deficient environments will be compromised if their
[Question ID = 4418]
1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
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2. thickness remains unchanged, but their length increases. [Option ID = 17670]3. thickness remains unchanged, but their width decreases. [Option ID = 17671]
4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]
Correct Answer :-
thickness increases, and the rest of the size remains the same. [Option ID = 17669]
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Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes likewound healing, bone development and others, which one of the following type of enzymes is most important?
[Question ID = 4392]
1. Proteases [Option ID = 17566]
2. Amylase [Option ID = 17567]
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3. Peptidase [Option ID = 17565]4. Lipases [Option ID = 17568]
Correct Answer :-
Proteases [Option ID = 17566]
DNA tangling during replication is prevented by
--- Content provided by FirstRanker.com ---
[Question ID = 4376]1. DNA ligase [Option ID = 17502]
2. DNA helicase [Option ID = 17501]
3. DNA topoisomerase [Option ID = 17503]
4. All of these [Option ID = 17504]
--- Content provided by FirstRanker.com ---
Correct Answer :-DNA topoisomerase [Option ID = 17503]
Glutaric acid contains [Question ID = 4429]
1. 5 carbon atoms [Option ID = 17713]
2. 4 carbon atoms [Option ID = 17716]
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3. 2 carbon atoms [Option ID = 17714]4. 3 carbon atoms [Option ID = 17715]
Correct Answer :-
5 carbon atoms [Option ID = 17713]
17)
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18)19)
20)
21)
22)
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Geometric isomers are[Question ID = 4442]
1. position isomers [Option ID = 17767]
2. rarely found [Option ID = 17768]
3. configurational isomers [Option ID = 17765]
--- Content provided by FirstRanker.com ---
4. conformational isomers [Option ID = 17766]Correct Answer :-
configurational isomers [Option ID = 17765]
Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves
[Question ID = 4420]
--- Content provided by FirstRanker.com ---
1. A polymerase coded by the host [Option ID = 17678]2. A polymerase coded by the virus itself [Option ID = 17677]
3. Host RNA polymerase [Option ID = 17679]
4. Unknown mechanism [Option ID = 17680]
Correct Answer :-
--- Content provided by FirstRanker.com ---
A polymerase coded by the virus itself [Option ID = 17677]Caprolactam is a monomer used to produce
[Question ID = 4431]
1. Starch [Option ID = 17722]
2. Cellulose [Option ID = 17721]
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3. Glycogen [Option ID = 17723]4. Nylon [Option ID = 17724]
Correct Answer :-
Nylon [Option ID = 17724]
Tetracycline blocks protein synthesis by
--- Content provided by FirstRanker.com ---
[Question ID = 4364]1. Inhibiting translocase enzyme [Option ID = 17456]
2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]
3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]
4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
--- Content provided by FirstRanker.com ---
Correct Answer :-Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Hematopoietic stem cells are pluripotent, which means that they are
[Question ID = 4400]
1. capable of developing into any type of blood cells [Option ID = 17598]
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2. committed to produce cells of a single lineage [Option ID = 17599]3. not self renewal [Option ID = 17600]
4. antigen specific cells [Option ID = 17597]
Correct Answer :-
capable of developing into any type of blood cells [Option ID = 17598]
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Alveolar cells of the lung arise from which one of the following layers?[Question ID = 4415]
1. Endoderm [Option ID = 17658]
2. Mesoderm [Option ID = 17657]
3. Both ectoderm and endoderm [Option ID = 17660]
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4. Ectoderm [Option ID = 17659]23)
24)
25)
26)
--- Content provided by FirstRanker.com ---
27)28)
Correct Answer :-
Endoderm [Option ID = 17658]
A Th2 cell does not produce
--- Content provided by FirstRanker.com ---
[Question ID = 4404]1. Interleukin-10 [Option ID = 17615]
2. Interleukin-4 [Option ID = 17614]
3. Interferon gamma [Option ID = 17613]
4. Interleuine-5 [Option ID = 17616]
--- Content provided by FirstRanker.com ---
Correct Answer :-Interferon gamma [Option ID = 17613]
Xenon hexafluoride is a
[Question ID = 4439]
1. Tetrahedral molecule [Option ID = 17753]
--- Content provided by FirstRanker.com ---
2. Square planar molecule [Option ID = 17754]3. Octahedral molecule [Option ID = 17755]
4. Planar molecule [Option ID = 17756]
Correct Answer :-
Octahedral molecule [Option ID = 17755]
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Na+
dependent carrier exchanger regulates cytosolic pH
[Question ID = 4381]
1. Na
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+/ Glucose symport [Option ID = 17524]
2. Na
+
/ K
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+exchanger [Option ID = 17523]
3. Na
+
/ H
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+antiport [Option ID = 17522]
4. Na
+
/ H
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+symport [Option ID = 17521]
Correct Answer :-
Na
+
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/ H+
antiport [Option ID = 17522]
Thermolysin is
[Question ID = 4447]
--- Content provided by FirstRanker.com ---
1. a vitamin [Option ID = 17788]2. a carbohydrate [Option ID = 17787]
3. an exopeptidase [Option ID = 17785]
4. an endopeptidase [Option ID = 17786]
Correct Answer :-
--- Content provided by FirstRanker.com ---
an endopeptidase [Option ID = 17786]During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]
1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]
2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]
3. Binding of ribosome subunit to mRNA [Option ID = 17451]
--- Content provided by FirstRanker.com ---
4. Transfer of phosphate group [Option ID = 17452]Correct Answer :-
Formation of peptide bond between adjacent amino acids [Option ID = 17450]
cis- and trans-butadiene are
[Question ID = 4444]
--- Content provided by FirstRanker.com ---
1. geometric isomers [Option ID = 17773]2. position isomers [Option ID = 17775]
29)
30)
31)
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32)33)
34)
3. not isomers [Option ID = 17776]
4. conformational isomers [Option ID = 17774]
--- Content provided by FirstRanker.com ---
Correct Answer :-geometric isomers [Option ID = 17773]
In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalently
linked by
[Question ID = 4395]
--- Content provided by FirstRanker.com ---
1. beta-1, 6-glycosidic bond [Option ID = 17578]2. beta-1, 4-glycosidic bond [Option ID = 17580]
3. alpha-1, 6-glycosidic bond [Option ID = 17579]
4. alpha-1, 4-glycosidic bond [Option ID = 17577]
Correct Answer :-
--- Content provided by FirstRanker.com ---
beta-1, 4-glycosidic bond [Option ID = 17580]Bacterial flagella imparts motility to the cell by
[Question ID = 4397]
1. gliding movement [Option ID = 17587]
2. rotatory movement [Option ID = 17586]
--- Content provided by FirstRanker.com ---
3. undulating movement [Option ID = 17585]4. both undulating movement & rotatory movement [Option ID = 17588]
Correct Answer :-
rotatory movement [Option ID = 17586]
The Predominant interactions between phospholipids that stabilize a biological membrane include [Question ID = 4394]
--- Content provided by FirstRanker.com ---
1. Hydrophobic interaction and hydrogen bonding [Option ID = 17575]2. Covalent and hydrophobic interaction [Option ID = 17576]
3. Hydrogen bonds and covalent interaction [Option ID = 17573]
4. Vander Waal interaction and ionic interaction [Option ID = 17574]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Hydrophobic interaction and hydrogen bonding [Option ID = 17575]5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.
[Question ID = 4456]
1. 65 [Option ID = 17823]
2. 64 [Option ID = 17822]
--- Content provided by FirstRanker.com ---
3. 63 [Option ID = 17821]4. 66 [Option ID = 17824]
Correct Answer :-
64 [Option ID = 17822]
Enzymes accelerate a reaction by which one of the following strategies? [Question ID = 4414]
--- Content provided by FirstRanker.com ---
1. Increasing the free energy difference between substrate and the product [Option ID = 17655]2. Decreasing energy required to form the transition state [Option ID = 17653]
3. Increasing kinetic energy of the substrate [Option ID = 17654]
4. Changing the turn over number of enzymes [Option ID = 17656]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Decreasing energy required to form the transition state [Option ID = 17653]Germ-plasm theory was given by [Question ID = 4368]
1. Charles Darwin [Option ID = 17471]
2. Walter Sutton [Option ID = 17470]
3. Gregor Mendel [Option ID = 17472]
--- Content provided by FirstRanker.com ---
4. Weismann [Option ID = 17469]35)
36)
37)
38)
--- Content provided by FirstRanker.com ---
39)40)
Correct Answer :-
Weismann [Option ID = 17469]
The following two organs are example of secondary lymphoid organs [Question ID = 4402]
--- Content provided by FirstRanker.com ---
1. bone marrow and MALT [Option ID = 17608]2. spleen and GALT [Option ID = 17607]
3. spleen and thymus [Option ID = 17605]
4. lymph nodes and thymus [Option ID = 17606]
Correct Answer :-
--- Content provided by FirstRanker.com ---
spleen and GALT [Option ID = 17607]In regard to animal development, the term pattern formation refers to
[Question ID = 4371]
1. The proteins produced by an individual cell [Option ID = 17481]
2. The process of differentiation of specific cell types [Option ID = 17483]
--- Content provided by FirstRanker.com ---
3. The arrangement of digits in body of an organism [Option ID = 17482]4. The stages of development through which an organism proceeds [Option ID = 17484]
Correct Answer :-
The arrangement of digits in body of an organism [Option ID = 17482]
Given below are some statements about prokaryotic and eukaryotic mobile genetic elements or transposon
--- Content provided by FirstRanker.com ---
1. Most mobile elements in bacteria transpose via RNA intermediate
2. Most mobile genetic elements in bacteria are DNA
--- Content provided by FirstRanker.com ---
3. Mobile genetic elements in eukaryotes are only transposons4. Both RNA and DNA transposons are found in eukaryotes
Choose the correct combination:
--- Content provided by FirstRanker.com ---
[Question ID = 4390]1. 2 & 4 [Option ID = 17560]
2. 2 & 3 [Option ID = 17558]
3. 1 & 3 [Option ID = 17557]
4. 1 & 4 [Option ID = 17559]
--- Content provided by FirstRanker.com ---
Correct Answer :-2 & 4 [Option ID = 17560]
The word opposite in meaning to the word ?verity? is [Question ID = 4451]
1. request [Option ID = 17803]
2. abandon [Option ID = 17804]
--- Content provided by FirstRanker.com ---
3. lie [Option ID = 17801]4. plead [Option ID = 17802]
Correct Answer :-
lie [Option ID = 17801]
The word closest in meaning to the word ?craven? is [Question ID = 4450]
--- Content provided by FirstRanker.com ---
1. a bird [Option ID = 17797]2. coward [Option ID = 17798]
3. brave [Option ID = 17799]
4. strong [Option ID = 17800]
Correct Answer :-
--- Content provided by FirstRanker.com ---
coward [Option ID = 17798](1/2 + 1/3) / (1/4 - 1/6) is
[Question ID = 4448]
1. 5/72 [Option ID = 17789]
41)
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42)43)
44)
45)
46)
--- Content provided by FirstRanker.com ---
2. 10 [Option ID = 17790]3. 12 [Option ID = 17792]
4. 11 [Option ID = 17791]
Correct Answer :-
10 [Option ID = 17790]
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A shirt was marked at Rs. 540=00. It was sold at 3/4 of the marked price. Find the sale price[Question ID = 4449]
1. Rs. 400 [Option ID = 17793]
2. Rs. 410 [Option ID = 17795]
3. Rs. 415 [Option ID = 17796]
--- Content provided by FirstRanker.com ---
4. Rs. 405 [Option ID = 17794]Correct Answer :-
Rs. 405 [Option ID = 17794]
Artemesinin is a new drug for the treatment of [Question ID = 4424]
1. Malaria [Option ID = 17695]
--- Content provided by FirstRanker.com ---
2. Hypercholesterolemia [Option ID = 17694]3. Type II diabetes [Option ID = 17693]
4. Typhoid [Option ID = 17696]
Correct Answer :-
Malaria [Option ID = 17695]
--- Content provided by FirstRanker.com ---
Azidothymidine is used for the treatment of[Question ID = 4426]
1. Tuberculosis [Option ID = 17702]
2. Genetic disorders [Option ID = 17703]
3. HIV [Option ID = 17701]
--- Content provided by FirstRanker.com ---
4. None of these [Option ID = 17704]Correct Answer :-
HIV [Option ID = 17701]
RNAi stands for
[Question ID = 4369]
--- Content provided by FirstRanker.com ---
1. RNA intron [Option ID = 17475]2. RNA impulse [Option ID = 17474]
3. RNA initiator [Option ID = 17473]
4. RNA interference [Option ID = 17476]
Correct Answer :-
--- Content provided by FirstRanker.com ---
RNA interference [Option ID = 17476]If X = 3
2
, what is the value of X
X
--- Content provided by FirstRanker.com ---
[Question ID = 4454]1. 3
4
[Option ID = 17813]
2. 3
--- Content provided by FirstRanker.com ---
12[Option ID = 17815]
3. 3
8
[Option ID = 17814]
--- Content provided by FirstRanker.com ---
4. 318
[Option ID = 17816]
Correct Answer :-
3
--- Content provided by FirstRanker.com ---
18[Option ID = 17816]
2-amino propanoic acid is
47)
48)
--- Content provided by FirstRanker.com ---
49)50)
51)
[Question ID = 4387]
1. Glycine [Option ID = 17548]
--- Content provided by FirstRanker.com ---
2. Leucine [Option ID = 17547]3. Valine [Option ID = 17545]
4. Alanine [Option ID = 17546]
Correct Answer :-
Alanine [Option ID = 17546]
--- Content provided by FirstRanker.com ---
During denaturation of double?helical DNA,[Question ID = 4389]
1. Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
2. Denaturation increases with decreasing temperature [Option ID = 17553]
3. G-C rich DNA melts at the same temperature as A-T rich DNA [Option ID = 17555]
--- Content provided by FirstRanker.com ---
4. Once denatured, DNA strands cannot anneal [Option ID = 17556]Correct Answer :-
Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
During apoptosis, the cell
[Question ID = 4380]
--- Content provided by FirstRanker.com ---
1. all of the these [Option ID = 17520]2. phosphatidylserine (PS) is flipped to outer side of membrane [Option ID = 17518]
3. releases of Cytochrome c from mitochondria [Option ID = 17519]
4. loses membrane asymmetry [Option ID = 17517]
Correct Answer :-
--- Content provided by FirstRanker.com ---
all of the these [Option ID = 17520]Injecting Maturation Promoting Factor (MPF) in S phase cell results in
[Question ID = 4393]
1. all cells move to G1 phase [Option ID = 17569]
2. all cells move to M phase [Option ID = 17571]
--- Content provided by FirstRanker.com ---
3. all of these [Option ID = 17572]4. all cell remain in S phase [Option ID = 17570]
Correct Answer :-
all cells move to M phase [Option ID = 17571]
Viral replication within the cells is inhibited by
--- Content provided by FirstRanker.com ---
[Question ID = 4398]1. IL-1 [Option ID = 17590]
2. IL-4 [Option ID = 17589]
3. IFN alpha [Option ID = 17591]
4. TNF alpha [Option ID = 17592]
--- Content provided by FirstRanker.com ---
Correct Answer :-IFN alpha [Option ID = 17591]
A researcher would like to monitor the level of protein in the blood serum. Which one of the following methods would be best suited
for the purpose?
[Question ID = 4409]
--- Content provided by FirstRanker.com ---
1. Enzyme linked immunosorbent assay [Option ID = 17635]2. Immunoflouroscence microscopy [Option ID = 17633]
3. Flourescence cell sorting [Option ID = 17636]
4. Fluorescence in-situ hybridization [Option ID = 17634]
52)
--- Content provided by FirstRanker.com ---
53)54)
55)
56)
57)
--- Content provided by FirstRanker.com ---
Correct Answer :-Enzyme linked immunosorbent assay [Option ID = 17635]
Catabolite repression refers to
[Question ID = 4365]
1. Inhibition of glucose utilization in the presence of lactose [Option ID = 17459]
--- Content provided by FirstRanker.com ---
2. Inhibition of uptake and metabolism of lactose in the absence of glucose [Option ID = 17457]3. Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
4. None of these [Option ID = 17460]
Correct Answer :-
Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
--- Content provided by FirstRanker.com ---
Phthalates are components of [Question ID = 4422]1. Aerosols [Option ID = 17686]
2. Hand sanitizers [Option ID = 17685]
3. Pigments extracted from natural products [Option ID = 17688]
4. Dyes [Option ID = 17687]
--- Content provided by FirstRanker.com ---
Correct Answer :-Hand sanitizers [Option ID = 17685]
Replicative senescence is due to
[Question ID = 4377]
1. DNA polymerization [Option ID = 17507]
--- Content provided by FirstRanker.com ---
2. Telomerase activation [Option ID = 17506]3. Shortening of telomere repeats [Option ID = 17505]
4. Active RNA Synthesis [Option ID = 17508]
Correct Answer :-
Shortening of telomere repeats [Option ID = 17505]
--- Content provided by FirstRanker.com ---
The product of the reaction of aniline with sodium nitrite and dilute HCl in ice yields [Question ID = 4428]1. Nitrobenzene [Option ID = 17712]
2. Sodium nitrate [Option ID = 17709]
3. Nitric acid [Option ID = 17710]
4. Diazonium chloride [Option ID = 17711]
--- Content provided by FirstRanker.com ---
Correct Answer :-Diazonium chloride [Option ID = 17711]
[Question ID = 4455]
1. 400g [Option ID = 17819]
2. 200g [Option ID = 17817]
--- Content provided by FirstRanker.com ---
3. 500g [Option ID = 17820]4. 300g [Option ID = 17818]
Correct Answer :-
300g [Option ID = 17818]
[Question ID = 4453]
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1. 4 [Option ID = 17812]58)
59)
60)
61)
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62)63)
2. 2 [Option ID = 17810]
3. ?2 [Option ID = 17809]
4. 2?2 [Option ID = 17811]
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Correct Answer :-2?2 [Option ID = 17811]
Iodine occurs naturally as
[Question ID = 4427]
1. a gas [Option ID = 17708]
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2. a solid which sublimes [Option ID = 17706]3. a solid with a melting point of 80?C [Option ID = 17707]
4. a liquid [Option ID = 17705]
Correct Answer :-
a solid which sublimes [Option ID = 17706]
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Most members of bryophyte phylum Anthocerophyta are characterized by [Question ID = 4412]1. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte without stomata. [Option ID = 17645]
2. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte with stomata. [Option ID = 17648]
3. gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]
4. gametophyte with multiple chloroplasts per cell and unicellular rhizoids; sporophyte without stomata. [Option ID = 17647]
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Correct Answer :-gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]
G-Protein coupled receptors contain the following number of membrane spanning loops [Question ID = 4433]
1. 7 [Option ID = 17731]
2. 5 [Option ID = 17729]
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3. 8 [Option ID = 17732]4. 6 [Option ID = 17730]
Correct Answer :-
7 [Option ID = 17731]
A gene expressing a 50 kDa protein from Eukaryote was cloned in E. coli plasmid under the lac promoter and operator. Upon addition
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of IPTG, the 50 kDa protein was not detected. Which one of the following explains the above observation?[Question ID = 4416]
1. The cloned sequence lacked the Kozak sequence [Option ID = 17661]
2. E.coli does not make proteins larger than 40 kDa [Option ID = 17662]
3. Differences in codon preference [Option ID = 17663]
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4. 50 kDa protein contains a nuclear localization signal [Option ID = 17664]Correct Answer :-
Differences in codon preference [Option ID = 17663]
The reaction of CH
3
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MgBr with acetaldehyde yields [Question ID = 4443]1. isopropanol [Option ID = 17770]
2. n-propanol [Option ID = 17769]
3. isobutanol [Option ID = 17772]
4. n-butanol [Option ID = 17771]
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Correct Answer :-isopropanol [Option ID = 17770]
The reaction of butadiene with ethene in the presence of heat is an example of [Question ID = 4445]
1. Cannizarro reaction [Option ID = 17780]
2. Claisen condensation [Option ID = 17779]
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3. Robinson?s annulations [Option ID = 17778]4. Diels Alder reaction [Option ID = 17777]
FirstRanker.com - FirstRanker's Choice
1)
2)
--- Content provided by FirstRanker.com ---
3)4)
5)
DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
PH
--- Content provided by FirstRanker.com ---
Topic:- DU_J18_MSC_BIOSCI_Topic01100 microns equals
[Question ID = 4436]
1. 10
-6
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m [Option ID = 17741]2. 10
-4
m [Option ID = 17743]
3. 10
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-7m [Option ID = 17744]
4. 10
-5
m [Option ID = 17742]
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Correct Answer :-10
-4
m [Option ID = 17743]
100 Angstroms equals
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[Question ID = 4435]1. 10
-10
m [Option ID = 17739]
2. 10
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-9m [Option ID = 17737]
3. 10
-8
m [Option ID = 17738]
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4. 10-12
m [Option ID = 17740]
Correct Answer :-
10
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-8m [Option ID = 17738]
The fingerprint region is a part of
[Question ID = 4437]
1. Proton NMR spectrum [Option ID = 17745]
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2. Infrared spectrum [Option ID = 17748]3. C
13
NMR spectrum [Option ID = 17747]
4. UV-Visible spectrum [Option ID = 17746]
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Correct Answer :-Infrared spectrum [Option ID = 17748]
The first nucleotide polymerizing enzyme discovered was
[Question ID = 4374]
1. DNA polymerase [Option ID = 17494]
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2. DNA primase [Option ID = 17495]3. Taq polymerase [Option ID = 17493]
4. none of these [Option ID = 17496]
Correct Answer :-
DNA polymerase [Option ID = 17494]
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The pH of a 0.001 M solution of HCl is[Question ID = 4423]
1. 0.001 [Option ID = 17692]
2. 2 [Option ID = 17690]
3. 1 [Option ID = 17689]
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4. 3 [Option ID = 17691]6)
7)
8)
9)
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10)11)
Correct Answer :-
3 [Option ID = 17691]
The photosynthetic assimilation of atmospheric CO
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2by leaves yield sucrose and starch as end products of two gluconeogenic pathways
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of the
process?
[Question ID = 4411]
--- Content provided by FirstRanker.com ---
1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]The excess oxygen consumed after a vigorous exercise help
[Question ID = 4419]
1. to pump out lactic acid from muscles [Option ID = 17673]
2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]
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3. to increase the concentration of lactic acid in muscles [Option ID = 17674]4. to make ATP for gluconeogenesis [Option ID = 17676]
Correct Answer :-
to make ATP for gluconeogenesis [Option ID = 17676]
The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be
--- Content provided by FirstRanker.com ---
[Question ID = 4388]1. 227 Da [Option ID = 17550]
2. 110 Da [Option ID = 17551]
3. 436 Da [Option ID = 17549]
4. 350 Da [Option ID = 17552]
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Correct Answer :-436 Da [Option ID = 17549]
The genetic distance between two genes can be different from the physical distance between them is
[Question ID = 4372]
1. impossible [Option ID = 17485]
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2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]
Correct Answer :-
possible because genetic distance is relative unlike physical distance [Option ID = 17487]
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The enzyme carboxypeptidase contains[Question ID = 4438]
1. Zinc ion [Option ID = 17751]
2. Iron ion [Option ID = 17750]
3. Cobalt ion [Option ID = 17752]
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4. Calcium ion [Option ID = 17749]Correct Answer :-
Zinc ion [Option ID = 17751]
The coenzyme TPP is derived from the vitamin
12)
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13)14)
15)
16)
[Question ID = 4441]
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1. Tetrahydrofolate [Option ID = 17763]2. Thymine [Option ID = 17761]
3. Biotin [Option ID = 17764]
4. Ascorbic acid [Option ID = 17762]
Correct Answer :-
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The predominant form of Immunoglobulin present at mucosal sites is[Question ID = 4405]
1. IgG [Option ID = 17618]
2. IgD [Option ID = 17619]
3. IgM [Option ID = 17620]
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4. IgA [Option ID = 17617]Correct Answer :-
IgA [Option ID = 17617]
Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygen
deficient environments will be compromised if their
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[Question ID = 4418]1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
2. thickness remains unchanged, but their length increases. [Option ID = 17670]
3. thickness remains unchanged, but their width decreases. [Option ID = 17671]
4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]
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Correct Answer :-thickness increases, and the rest of the size remains the same. [Option ID = 17669]
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes like
wound healing, bone development and others, which one of the following type of enzymes is most important?
[Question ID = 4392]
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1. Proteases [Option ID = 17566]2. Amylase [Option ID = 17567]
3. Peptidase [Option ID = 17565]
4. Lipases [Option ID = 17568]
Correct Answer :-
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Proteases [Option ID = 17566]DNA tangling during replication is prevented by
[Question ID = 4376]
1. DNA ligase [Option ID = 17502]
2. DNA helicase [Option ID = 17501]
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3. DNA topoisomerase [Option ID = 17503]4. All of these [Option ID = 17504]
Correct Answer :-
DNA topoisomerase [Option ID = 17503]
Glutaric acid contains [Question ID = 4429]
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1. 5 carbon atoms [Option ID = 17713]2. 4 carbon atoms [Option ID = 17716]
3. 2 carbon atoms [Option ID = 17714]
4. 3 carbon atoms [Option ID = 17715]
Correct Answer :-
--- Content provided by FirstRanker.com ---
5 carbon atoms [Option ID = 17713]17)
18)
19)
20)
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21)22)
Geometric isomers are
[Question ID = 4442]
1. position isomers [Option ID = 17767]
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2. rarely found [Option ID = 17768]3. configurational isomers [Option ID = 17765]
4. conformational isomers [Option ID = 17766]
Correct Answer :-
configurational isomers [Option ID = 17765]
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Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves[Question ID = 4420]
1. A polymerase coded by the host [Option ID = 17678]
2. A polymerase coded by the virus itself [Option ID = 17677]
3. Host RNA polymerase [Option ID = 17679]
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4. Unknown mechanism [Option ID = 17680]Correct Answer :-
A polymerase coded by the virus itself [Option ID = 17677]
Caprolactam is a monomer used to produce
[Question ID = 4431]
--- Content provided by FirstRanker.com ---
1. Starch [Option ID = 17722]2. Cellulose [Option ID = 17721]
3. Glycogen [Option ID = 17723]
4. Nylon [Option ID = 17724]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Nylon [Option ID = 17724]Tetracycline blocks protein synthesis by
[Question ID = 4364]
1. Inhibiting translocase enzyme [Option ID = 17456]
2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]
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3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Correct Answer :-
Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Hematopoietic stem cells are pluripotent, which means that they are
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[Question ID = 4400]1. capable of developing into any type of blood cells [Option ID = 17598]
2. committed to produce cells of a single lineage [Option ID = 17599]
3. not self renewal [Option ID = 17600]
4. antigen specific cells [Option ID = 17597]
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Correct Answer :-capable of developing into any type of blood cells [Option ID = 17598]
Alveolar cells of the lung arise from which one of the following layers?
[Question ID = 4415]
1. Endoderm [Option ID = 17658]
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2. Mesoderm [Option ID = 17657]3. Both ectoderm and endoderm [Option ID = 17660]
4. Ectoderm [Option ID = 17659]
23)
24)
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25)26)
27)
28)
Correct Answer :-
--- Content provided by FirstRanker.com ---
Endoderm [Option ID = 17658]A Th2 cell does not produce
[Question ID = 4404]
1. Interleukin-10 [Option ID = 17615]
2. Interleukin-4 [Option ID = 17614]
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3. Interferon gamma [Option ID = 17613]4. Interleuine-5 [Option ID = 17616]
Correct Answer :-
Interferon gamma [Option ID = 17613]
Xenon hexafluoride is a
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[Question ID = 4439]1. Tetrahedral molecule [Option ID = 17753]
2. Square planar molecule [Option ID = 17754]
3. Octahedral molecule [Option ID = 17755]
4. Planar molecule [Option ID = 17756]
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Correct Answer :-Octahedral molecule [Option ID = 17755]
Na
+
dependent carrier exchanger regulates cytosolic pH
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[Question ID = 4381]1. Na
+
/ Glucose symport [Option ID = 17524]
2. Na
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+/ K
+
exchanger [Option ID = 17523]
3. Na
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+/ H
+
antiport [Option ID = 17522]
4. Na
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+/ H
+
symport [Option ID = 17521]
Correct Answer :-
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Na+
/ H
+
antiport [Option ID = 17522]
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Thermolysin is[Question ID = 4447]
1. a vitamin [Option ID = 17788]
2. a carbohydrate [Option ID = 17787]
3. an exopeptidase [Option ID = 17785]
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4. an endopeptidase [Option ID = 17786]Correct Answer :-
an endopeptidase [Option ID = 17786]
During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]
1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]
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2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]3. Binding of ribosome subunit to mRNA [Option ID = 17451]
4. Transfer of phosphate group [Option ID = 17452]
Correct Answer :-
Formation of peptide bond between adjacent amino acids [Option ID = 17450]
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cis- and trans-butadiene are[Question ID = 4444]
1. geometric isomers [Option ID = 17773]
2. position isomers [Option ID = 17775]
29)
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30)31)
32)
33)
34)
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3. not isomers [Option ID = 17776]4. conformational isomers [Option ID = 17774]
Correct Answer :-
geometric isomers [Option ID = 17773]
In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalently
--- Content provided by FirstRanker.com ---
linked by[Question ID = 4395]
1. beta-1, 6-glycosidic bond [Option ID = 17578]
2. beta-1, 4-glycosidic bond [Option ID = 17580]
3. alpha-1, 6-glycosidic bond [Option ID = 17579]
--- Content provided by FirstRanker.com ---
4. alpha-1, 4-glycosidic bond [Option ID = 17577]Correct Answer :-
beta-1, 4-glycosidic bond [Option ID = 17580]
Bacterial flagella imparts motility to the cell by
[Question ID = 4397]
--- Content provided by FirstRanker.com ---
1. gliding movement [Option ID = 17587]2. rotatory movement [Option ID = 17586]
3. undulating movement [Option ID = 17585]
4. both undulating movement & rotatory movement [Option ID = 17588]
Correct Answer :-
--- Content provided by FirstRanker.com ---
rotatory movement [Option ID = 17586]The Predominant interactions between phospholipids that stabilize a biological membrane include [Question ID = 4394]
1. Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
2. Covalent and hydrophobic interaction [Option ID = 17576]
3. Hydrogen bonds and covalent interaction [Option ID = 17573]
--- Content provided by FirstRanker.com ---
4. Vander Waal interaction and ionic interaction [Option ID = 17574]Correct Answer :-
Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.
[Question ID = 4456]
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1. 65 [Option ID = 17823]2. 64 [Option ID = 17822]
3. 63 [Option ID = 17821]
4. 66 [Option ID = 17824]
Correct Answer :-
--- Content provided by FirstRanker.com ---
64 [Option ID = 17822]Enzymes accelerate a reaction by which one of the following strategies? [Question ID = 4414]
1. Increasing the free energy difference between substrate and the product [Option ID = 17655]
2. Decreasing energy required to form the transition state [Option ID = 17653]
3. Increasing kinetic energy of the substrate [Option ID = 17654]
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4. Changing the turn over number of enzymes [Option ID = 17656]Correct Answer :-
Decreasing energy required to form the transition state [Option ID = 17653]
Germ-plasm theory was given by [Question ID = 4368]
1. Charles Darwin [Option ID = 17471]
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2. Walter Sutton [Option ID = 17470]3. Gregor Mendel [Option ID = 17472]
4. Weismann [Option ID = 17469]
35)
36)
--- Content provided by FirstRanker.com ---
37)38)
39)
40)
Correct Answer :-
--- Content provided by FirstRanker.com ---
Weismann [Option ID = 17469]The following two organs are example of secondary lymphoid organs [Question ID = 4402]
1. bone marrow and MALT [Option ID = 17608]
2. spleen and GALT [Option ID = 17607]
3. spleen and thymus [Option ID = 17605]
--- Content provided by FirstRanker.com ---
4. lymph nodes and thymus [Option ID = 17606]Correct Answer :-
spleen and GALT [Option ID = 17607]
In regard to animal development, the term pattern formation refers to
[Question ID = 4371]
--- Content provided by FirstRanker.com ---
1. The proteins produced by an individual cell [Option ID = 17481]2. The process of differentiation of specific cell types [Option ID = 17483]
3. The arrangement of digits in body of an organism [Option ID = 17482]
4. The stages of development through which an organism proceeds [Option ID = 17484]
Correct Answer :-
--- Content provided by FirstRanker.com ---
The arrangement of digits in body of an organism [Option ID = 17482]Given below are some statements about prokaryotic and eukaryotic mobile genetic elements or transposon
1. Most mobile elements in bacteria transpose via RNA intermediate
--- Content provided by FirstRanker.com ---
2. Most mobile genetic elements in bacteria are DNA3. Mobile genetic elements in eukaryotes are only transposons
4. Both RNA and DNA transposons are found in eukaryotes
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Choose the correct combination:
[Question ID = 4390]
1. 2 & 4 [Option ID = 17560]
2. 2 & 3 [Option ID = 17558]
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3. 1 & 3 [Option ID = 17557]4. 1 & 4 [Option ID = 17559]
Correct Answer :-
2 & 4 [Option ID = 17560]
The word opposite in meaning to the word ?verity? is [Question ID = 4451]
--- Content provided by FirstRanker.com ---
1. request [Option ID = 17803]2. abandon [Option ID = 17804]
3. lie [Option ID = 17801]
4. plead [Option ID = 17802]
Correct Answer :-
--- Content provided by FirstRanker.com ---
lie [Option ID = 17801]The word closest in meaning to the word ?craven? is [Question ID = 4450]
1. a bird [Option ID = 17797]
2. coward [Option ID = 17798]
3. brave [Option ID = 17799]
--- Content provided by FirstRanker.com ---
4. strong [Option ID = 17800]Correct Answer :-
coward [Option ID = 17798]
(1/2 + 1/3) / (1/4 - 1/6) is
[Question ID = 4448]
--- Content provided by FirstRanker.com ---
1. 5/72 [Option ID = 17789]41)
42)
43)
44)
--- Content provided by FirstRanker.com ---
45)46)
2. 10 [Option ID = 17790]
3. 12 [Option ID = 17792]
4. 11 [Option ID = 17791]
--- Content provided by FirstRanker.com ---
Correct Answer :-10 [Option ID = 17790]
A shirt was marked at Rs. 540=00. It was sold at 3/4 of the marked price. Find the sale price
[Question ID = 4449]
1. Rs. 400 [Option ID = 17793]
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2. Rs. 410 [Option ID = 17795]3. Rs. 415 [Option ID = 17796]
4. Rs. 405 [Option ID = 17794]
Correct Answer :-
Rs. 405 [Option ID = 17794]
--- Content provided by FirstRanker.com ---
Artemesinin is a new drug for the treatment of [Question ID = 4424]1. Malaria [Option ID = 17695]
2. Hypercholesterolemia [Option ID = 17694]
3. Type II diabetes [Option ID = 17693]
4. Typhoid [Option ID = 17696]
--- Content provided by FirstRanker.com ---
Correct Answer :-Malaria [Option ID = 17695]
Azidothymidine is used for the treatment of
[Question ID = 4426]
1. Tuberculosis [Option ID = 17702]
--- Content provided by FirstRanker.com ---
2. Genetic disorders [Option ID = 17703]3. HIV [Option ID = 17701]
4. None of these [Option ID = 17704]
Correct Answer :-
HIV [Option ID = 17701]
--- Content provided by FirstRanker.com ---
RNAi stands for[Question ID = 4369]
1. RNA intron [Option ID = 17475]
2. RNA impulse [Option ID = 17474]
3. RNA initiator [Option ID = 17473]
--- Content provided by FirstRanker.com ---
4. RNA interference [Option ID = 17476]Correct Answer :-
RNA interference [Option ID = 17476]
If X = 3
2
--- Content provided by FirstRanker.com ---
, what is the value of XX
[Question ID = 4454]
1. 3
4
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[Option ID = 17813]2. 3
12
[Option ID = 17815]
3. 3
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8[Option ID = 17814]
4. 3
18
[Option ID = 17816]
--- Content provided by FirstRanker.com ---
Correct Answer :-3
18
[Option ID = 17816]
2-amino propanoic acid is
--- Content provided by FirstRanker.com ---
47)48)
49)
50)
51)
--- Content provided by FirstRanker.com ---
[Question ID = 4387]1. Glycine [Option ID = 17548]
2. Leucine [Option ID = 17547]
3. Valine [Option ID = 17545]
4. Alanine [Option ID = 17546]
--- Content provided by FirstRanker.com ---
Correct Answer :-Alanine [Option ID = 17546]
During denaturation of double?helical DNA,
[Question ID = 4389]
1. Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
--- Content provided by FirstRanker.com ---
2. Denaturation increases with decreasing temperature [Option ID = 17553]3. G-C rich DNA melts at the same temperature as A-T rich DNA [Option ID = 17555]
4. Once denatured, DNA strands cannot anneal [Option ID = 17556]
Correct Answer :-
Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
--- Content provided by FirstRanker.com ---
During apoptosis, the cell[Question ID = 4380]
1. all of the these [Option ID = 17520]
2. phosphatidylserine (PS) is flipped to outer side of membrane [Option ID = 17518]
3. releases of Cytochrome c from mitochondria [Option ID = 17519]
--- Content provided by FirstRanker.com ---
4. loses membrane asymmetry [Option ID = 17517]Correct Answer :-
all of the these [Option ID = 17520]
Injecting Maturation Promoting Factor (MPF) in S phase cell results in
[Question ID = 4393]
--- Content provided by FirstRanker.com ---
1. all cells move to G1 phase [Option ID = 17569]2. all cells move to M phase [Option ID = 17571]
3. all of these [Option ID = 17572]
4. all cell remain in S phase [Option ID = 17570]
Correct Answer :-
--- Content provided by FirstRanker.com ---
all cells move to M phase [Option ID = 17571]Viral replication within the cells is inhibited by
[Question ID = 4398]
1. IL-1 [Option ID = 17590]
2. IL-4 [Option ID = 17589]
--- Content provided by FirstRanker.com ---
3. IFN alpha [Option ID = 17591]4. TNF alpha [Option ID = 17592]
Correct Answer :-
IFN alpha [Option ID = 17591]
A researcher would like to monitor the level of protein in the blood serum. Which one of the following methods would be best suited
--- Content provided by FirstRanker.com ---
for the purpose?[Question ID = 4409]
1. Enzyme linked immunosorbent assay [Option ID = 17635]
2. Immunoflouroscence microscopy [Option ID = 17633]
3. Flourescence cell sorting [Option ID = 17636]
--- Content provided by FirstRanker.com ---
4. Fluorescence in-situ hybridization [Option ID = 17634]52)
53)
54)
55)
--- Content provided by FirstRanker.com ---
56)57)
Correct Answer :-
Enzyme linked immunosorbent assay [Option ID = 17635]
Catabolite repression refers to
--- Content provided by FirstRanker.com ---
[Question ID = 4365]1. Inhibition of glucose utilization in the presence of lactose [Option ID = 17459]
2. Inhibition of uptake and metabolism of lactose in the absence of glucose [Option ID = 17457]
3. Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
4. None of these [Option ID = 17460]
--- Content provided by FirstRanker.com ---
Correct Answer :-Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
Phthalates are components of [Question ID = 4422]
1. Aerosols [Option ID = 17686]
2. Hand sanitizers [Option ID = 17685]
--- Content provided by FirstRanker.com ---
3. Pigments extracted from natural products [Option ID = 17688]4. Dyes [Option ID = 17687]
Correct Answer :-
Hand sanitizers [Option ID = 17685]
Replicative senescence is due to
--- Content provided by FirstRanker.com ---
[Question ID = 4377]1. DNA polymerization [Option ID = 17507]
2. Telomerase activation [Option ID = 17506]
3. Shortening of telomere repeats [Option ID = 17505]
4. Active RNA Synthesis [Option ID = 17508]
--- Content provided by FirstRanker.com ---
Correct Answer :-Shortening of telomere repeats [Option ID = 17505]
The product of the reaction of aniline with sodium nitrite and dilute HCl in ice yields [Question ID = 4428]
1. Nitrobenzene [Option ID = 17712]
2. Sodium nitrate [Option ID = 17709]
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3. Nitric acid [Option ID = 17710]4. Diazonium chloride [Option ID = 17711]
Correct Answer :-
Diazonium chloride [Option ID = 17711]
[Question ID = 4455]
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1. 400g [Option ID = 17819]2. 200g [Option ID = 17817]
3. 500g [Option ID = 17820]
4. 300g [Option ID = 17818]
Correct Answer :-
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300g [Option ID = 17818][Question ID = 4453]
1. 4 [Option ID = 17812]
58)
59)
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60)61)
62)
63)
2. 2 [Option ID = 17810]
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3. ?2 [Option ID = 17809]4. 2?2 [Option ID = 17811]
Correct Answer :-
2?2 [Option ID = 17811]
Iodine occurs naturally as
--- Content provided by FirstRanker.com ---
[Question ID = 4427]1. a gas [Option ID = 17708]
2. a solid which sublimes [Option ID = 17706]
3. a solid with a melting point of 80?C [Option ID = 17707]
4. a liquid [Option ID = 17705]
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Correct Answer :-a solid which sublimes [Option ID = 17706]
Most members of bryophyte phylum Anthocerophyta are characterized by [Question ID = 4412]
1. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte without stomata. [Option ID = 17645]
2. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte with stomata. [Option ID = 17648]
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3. gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]4. gametophyte with multiple chloroplasts per cell and unicellular rhizoids; sporophyte without stomata. [Option ID = 17647]
Correct Answer :-
gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]
G-Protein coupled receptors contain the following number of membrane spanning loops [Question ID = 4433]
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1. 7 [Option ID = 17731]2. 5 [Option ID = 17729]
3. 8 [Option ID = 17732]
4. 6 [Option ID = 17730]
Correct Answer :-
--- Content provided by FirstRanker.com ---
7 [Option ID = 17731]A gene expressing a 50 kDa protein from Eukaryote was cloned in E. coli plasmid under the lac promoter and operator. Upon addition
of IPTG, the 50 kDa protein was not detected. Which one of the following explains the above observation?
[Question ID = 4416]
1. The cloned sequence lacked the Kozak sequence [Option ID = 17661]
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2. E.coli does not make proteins larger than 40 kDa [Option ID = 17662]3. Differences in codon preference [Option ID = 17663]
4. 50 kDa protein contains a nuclear localization signal [Option ID = 17664]
Correct Answer :-
Differences in codon preference [Option ID = 17663]
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The reaction of CH3
MgBr with acetaldehyde yields [Question ID = 4443]
1. isopropanol [Option ID = 17770]
2. n-propanol [Option ID = 17769]
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3. isobutanol [Option ID = 17772]4. n-butanol [Option ID = 17771]
Correct Answer :-
isopropanol [Option ID = 17770]
The reaction of butadiene with ethene in the presence of heat is an example of [Question ID = 4445]
--- Content provided by FirstRanker.com ---
1. Cannizarro reaction [Option ID = 17780]2. Claisen condensation [Option ID = 17779]
3. Robinson?s annulations [Option ID = 17778]
4. Diels Alder reaction [Option ID = 17777]
64)
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65)66)
67)
68)
69)
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70)Correct Answer :-
Diels Alder reaction [Option ID = 17777]
The tallest tree in the world is [Question ID = 4452]
1. The Red Oak [Option ID = 17806]
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2. The Banyan tree [Option ID = 17808]3. The Neem tree [Option ID = 17807]
4. The Eucalyptus tree [Option ID = 17805]
Correct Answer :-
Stored form of carbohydrate in sugarcane is [Question ID = 4410]
--- Content provided by FirstRanker.com ---
1. Sucrose [Option ID = 17638]2. Glucose [Option ID = 17639]
3. Starch [Option ID = 17637]
4. Maltose [Option ID = 17640]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Sucrose [Option ID = 17638]Bacteria exhibit a characteristic growth pattern. A phase during which the cells divide continually with a fixed time interval between
cell divisions, resulting in exponential growth is called [Question ID = 4370]
1. Lag phase [Option ID = 17477]
2. Stationary Phase [Option ID = 17479]
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3. Log phase [Option ID = 17478]4. Meta continual phase [Option ID = 17480]
Correct Answer :-
Log phase [Option ID = 17478]
Nuclear receptor belong to which class of transcriptional factor
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[Question ID = 4366]1. Zn-finger proteins [Option ID = 17463]
2. PAH-domain containing protein [Option ID = 17464]
3. Leucine Zipper proteins [Option ID = 17462]
4. Helix-loop-helix proteins [Option ID = 17461]
--- Content provided by FirstRanker.com ---
Correct Answer :-Zn-finger proteins [Option ID = 17463]
SN1 reactions involve the formation of
[Question ID = 4432]
1. polymeric complexes [Option ID = 17728]
--- Content provided by FirstRanker.com ---
2. a cationic intermediate [Option ID = 17727]3. 5-membered transition state [Option ID = 17725]
4. a charge transfer complex [Option ID = 17726]
Correct Answer :-
a cationic intermediate [Option ID = 17727]
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Initial depolarization of membrane potential begins with the [Question ID = 4382]1. opening of sodium channel [Option ID = 17527]
2. closing of sodium channel [Option ID = 17525]
3. closing of potassium channel [Option ID = 17528]
4. opening of potassium channel [Option ID = 17526]
--- Content provided by FirstRanker.com ---
Correct Answer :-opening of sodium channel [Option ID = 17527]
According to 2014 IUCN Red List, which of the following vertebrate class has the largest percentage of threatened species?
FirstRanker.com - FirstRanker's Choice
1)
--- Content provided by FirstRanker.com ---
2)3)
4)
5)
DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
--- Content provided by FirstRanker.com ---
PHTopic:- DU_J18_MSC_BIOSCI_Topic01
100 microns equals
[Question ID = 4436]
1. 10
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-6m [Option ID = 17741]
2. 10
-4
m [Option ID = 17743]
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3. 10-7
m [Option ID = 17744]
4. 10
-5
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m [Option ID = 17742]Correct Answer :-
10
-4
m [Option ID = 17743]
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100 Angstroms equals[Question ID = 4435]
1. 10
-10
m [Option ID = 17739]
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2. 10-9
m [Option ID = 17737]
3. 10
-8
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m [Option ID = 17738]4. 10
-12
m [Option ID = 17740]
Correct Answer :-
--- Content provided by FirstRanker.com ---
10-8
m [Option ID = 17738]
The fingerprint region is a part of
[Question ID = 4437]
--- Content provided by FirstRanker.com ---
1. Proton NMR spectrum [Option ID = 17745]2. Infrared spectrum [Option ID = 17748]
3. C
13
NMR spectrum [Option ID = 17747]
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4. UV-Visible spectrum [Option ID = 17746]Correct Answer :-
Infrared spectrum [Option ID = 17748]
The first nucleotide polymerizing enzyme discovered was
[Question ID = 4374]
--- Content provided by FirstRanker.com ---
1. DNA polymerase [Option ID = 17494]2. DNA primase [Option ID = 17495]
3. Taq polymerase [Option ID = 17493]
4. none of these [Option ID = 17496]
Correct Answer :-
--- Content provided by FirstRanker.com ---
DNA polymerase [Option ID = 17494]The pH of a 0.001 M solution of HCl is
[Question ID = 4423]
1. 0.001 [Option ID = 17692]
2. 2 [Option ID = 17690]
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3. 1 [Option ID = 17689]4. 3 [Option ID = 17691]
6)
7)
8)
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9)10)
11)
Correct Answer :-
3 [Option ID = 17691]
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The photosynthetic assimilation of atmospheric CO2
by leaves yield sucrose and starch as end products of two gluconeogenic pathways
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of the
process?
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[Question ID = 4411]1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]
2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
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Correct Answer :-Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
The excess oxygen consumed after a vigorous exercise help
[Question ID = 4419]
1. to pump out lactic acid from muscles [Option ID = 17673]
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2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]3. to increase the concentration of lactic acid in muscles [Option ID = 17674]
4. to make ATP for gluconeogenesis [Option ID = 17676]
Correct Answer :-
to make ATP for gluconeogenesis [Option ID = 17676]
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The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be[Question ID = 4388]
1. 227 Da [Option ID = 17550]
2. 110 Da [Option ID = 17551]
3. 436 Da [Option ID = 17549]
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4. 350 Da [Option ID = 17552]Correct Answer :-
436 Da [Option ID = 17549]
The genetic distance between two genes can be different from the physical distance between them is
[Question ID = 4372]
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1. impossible [Option ID = 17485]2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]
3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]
Correct Answer :-
--- Content provided by FirstRanker.com ---
possible because genetic distance is relative unlike physical distance [Option ID = 17487]The enzyme carboxypeptidase contains
[Question ID = 4438]
1. Zinc ion [Option ID = 17751]
2. Iron ion [Option ID = 17750]
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3. Cobalt ion [Option ID = 17752]4. Calcium ion [Option ID = 17749]
Correct Answer :-
Zinc ion [Option ID = 17751]
The coenzyme TPP is derived from the vitamin
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12)13)
14)
15)
16)
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[Question ID = 4441]1. Tetrahydrofolate [Option ID = 17763]
2. Thymine [Option ID = 17761]
3. Biotin [Option ID = 17764]
4. Ascorbic acid [Option ID = 17762]
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Correct Answer :-The predominant form of Immunoglobulin present at mucosal sites is
[Question ID = 4405]
1. IgG [Option ID = 17618]
2. IgD [Option ID = 17619]
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3. IgM [Option ID = 17620]4. IgA [Option ID = 17617]
Correct Answer :-
IgA [Option ID = 17617]
Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygen
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deficient environments will be compromised if their[Question ID = 4418]
1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
2. thickness remains unchanged, but their length increases. [Option ID = 17670]
3. thickness remains unchanged, but their width decreases. [Option ID = 17671]
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4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]Correct Answer :-
thickness increases, and the rest of the size remains the same. [Option ID = 17669]
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes like
wound healing, bone development and others, which one of the following type of enzymes is most important?
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[Question ID = 4392]1. Proteases [Option ID = 17566]
2. Amylase [Option ID = 17567]
3. Peptidase [Option ID = 17565]
4. Lipases [Option ID = 17568]
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Correct Answer :-Proteases [Option ID = 17566]
DNA tangling during replication is prevented by
[Question ID = 4376]
1. DNA ligase [Option ID = 17502]
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2. DNA helicase [Option ID = 17501]3. DNA topoisomerase [Option ID = 17503]
4. All of these [Option ID = 17504]
Correct Answer :-
DNA topoisomerase [Option ID = 17503]
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Glutaric acid contains [Question ID = 4429]1. 5 carbon atoms [Option ID = 17713]
2. 4 carbon atoms [Option ID = 17716]
3. 2 carbon atoms [Option ID = 17714]
4. 3 carbon atoms [Option ID = 17715]
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Correct Answer :-5 carbon atoms [Option ID = 17713]
17)
18)
19)
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20)21)
22)
Geometric isomers are
[Question ID = 4442]
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1. position isomers [Option ID = 17767]2. rarely found [Option ID = 17768]
3. configurational isomers [Option ID = 17765]
4. conformational isomers [Option ID = 17766]
Correct Answer :-
--- Content provided by FirstRanker.com ---
configurational isomers [Option ID = 17765]Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves
[Question ID = 4420]
1. A polymerase coded by the host [Option ID = 17678]
2. A polymerase coded by the virus itself [Option ID = 17677]
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3. Host RNA polymerase [Option ID = 17679]4. Unknown mechanism [Option ID = 17680]
Correct Answer :-
A polymerase coded by the virus itself [Option ID = 17677]
Caprolactam is a monomer used to produce
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[Question ID = 4431]1. Starch [Option ID = 17722]
2. Cellulose [Option ID = 17721]
3. Glycogen [Option ID = 17723]
4. Nylon [Option ID = 17724]
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Correct Answer :-Nylon [Option ID = 17724]
Tetracycline blocks protein synthesis by
[Question ID = 4364]
1. Inhibiting translocase enzyme [Option ID = 17456]
--- Content provided by FirstRanker.com ---
2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]
4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Correct Answer :-
Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
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Hematopoietic stem cells are pluripotent, which means that they are[Question ID = 4400]
1. capable of developing into any type of blood cells [Option ID = 17598]
2. committed to produce cells of a single lineage [Option ID = 17599]
3. not self renewal [Option ID = 17600]
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4. antigen specific cells [Option ID = 17597]Correct Answer :-
capable of developing into any type of blood cells [Option ID = 17598]
Alveolar cells of the lung arise from which one of the following layers?
[Question ID = 4415]
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1. Endoderm [Option ID = 17658]2. Mesoderm [Option ID = 17657]
3. Both ectoderm and endoderm [Option ID = 17660]
4. Ectoderm [Option ID = 17659]
23)
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24)25)
26)
27)
28)
--- Content provided by FirstRanker.com ---
Correct Answer :-Endoderm [Option ID = 17658]
A Th2 cell does not produce
[Question ID = 4404]
1. Interleukin-10 [Option ID = 17615]
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2. Interleukin-4 [Option ID = 17614]3. Interferon gamma [Option ID = 17613]
4. Interleuine-5 [Option ID = 17616]
Correct Answer :-
Interferon gamma [Option ID = 17613]
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Xenon hexafluoride is a[Question ID = 4439]
1. Tetrahedral molecule [Option ID = 17753]
2. Square planar molecule [Option ID = 17754]
3. Octahedral molecule [Option ID = 17755]
--- Content provided by FirstRanker.com ---
4. Planar molecule [Option ID = 17756]Correct Answer :-
Octahedral molecule [Option ID = 17755]
Na
+
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dependent carrier exchanger regulates cytosolic pH[Question ID = 4381]
1. Na
+
/ Glucose symport [Option ID = 17524]
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2. Na+
/ K
+
exchanger [Option ID = 17523]
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3. Na+
/ H
+
antiport [Option ID = 17522]
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4. Na+
/ H
+
symport [Option ID = 17521]
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Correct Answer :-Na
+
/ H
+
--- Content provided by FirstRanker.com ---
antiport [Option ID = 17522]Thermolysin is
[Question ID = 4447]
1. a vitamin [Option ID = 17788]
2. a carbohydrate [Option ID = 17787]
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3. an exopeptidase [Option ID = 17785]4. an endopeptidase [Option ID = 17786]
Correct Answer :-
an endopeptidase [Option ID = 17786]
During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]
--- Content provided by FirstRanker.com ---
1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]
3. Binding of ribosome subunit to mRNA [Option ID = 17451]
4. Transfer of phosphate group [Option ID = 17452]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Formation of peptide bond between adjacent amino acids [Option ID = 17450]cis- and trans-butadiene are
[Question ID = 4444]
1. geometric isomers [Option ID = 17773]
2. position isomers [Option ID = 17775]
--- Content provided by FirstRanker.com ---
29)30)
31)
32)
33)
--- Content provided by FirstRanker.com ---
34)3. not isomers [Option ID = 17776]
4. conformational isomers [Option ID = 17774]
Correct Answer :-
geometric isomers [Option ID = 17773]
--- Content provided by FirstRanker.com ---
In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalentlylinked by
[Question ID = 4395]
1. beta-1, 6-glycosidic bond [Option ID = 17578]
2. beta-1, 4-glycosidic bond [Option ID = 17580]
--- Content provided by FirstRanker.com ---
3. alpha-1, 6-glycosidic bond [Option ID = 17579]4. alpha-1, 4-glycosidic bond [Option ID = 17577]
Correct Answer :-
beta-1, 4-glycosidic bond [Option ID = 17580]
Bacterial flagella imparts motility to the cell by
--- Content provided by FirstRanker.com ---
[Question ID = 4397]1. gliding movement [Option ID = 17587]
2. rotatory movement [Option ID = 17586]
3. undulating movement [Option ID = 17585]
4. both undulating movement & rotatory movement [Option ID = 17588]
--- Content provided by FirstRanker.com ---
Correct Answer :-rotatory movement [Option ID = 17586]
The Predominant interactions between phospholipids that stabilize a biological membrane include [Question ID = 4394]
1. Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
2. Covalent and hydrophobic interaction [Option ID = 17576]
--- Content provided by FirstRanker.com ---
3. Hydrogen bonds and covalent interaction [Option ID = 17573]4. Vander Waal interaction and ionic interaction [Option ID = 17574]
Correct Answer :-
Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.
--- Content provided by FirstRanker.com ---
[Question ID = 4456]1. 65 [Option ID = 17823]
2. 64 [Option ID = 17822]
3. 63 [Option ID = 17821]
4. 66 [Option ID = 17824]
--- Content provided by FirstRanker.com ---
Correct Answer :-64 [Option ID = 17822]
Enzymes accelerate a reaction by which one of the following strategies? [Question ID = 4414]
1. Increasing the free energy difference between substrate and the product [Option ID = 17655]
2. Decreasing energy required to form the transition state [Option ID = 17653]
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3. Increasing kinetic energy of the substrate [Option ID = 17654]4. Changing the turn over number of enzymes [Option ID = 17656]
Correct Answer :-
Decreasing energy required to form the transition state [Option ID = 17653]
Germ-plasm theory was given by [Question ID = 4368]
--- Content provided by FirstRanker.com ---
1. Charles Darwin [Option ID = 17471]2. Walter Sutton [Option ID = 17470]
3. Gregor Mendel [Option ID = 17472]
4. Weismann [Option ID = 17469]
35)
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36)37)
38)
39)
40)
--- Content provided by FirstRanker.com ---
Correct Answer :-Weismann [Option ID = 17469]
The following two organs are example of secondary lymphoid organs [Question ID = 4402]
1. bone marrow and MALT [Option ID = 17608]
2. spleen and GALT [Option ID = 17607]
--- Content provided by FirstRanker.com ---
3. spleen and thymus [Option ID = 17605]4. lymph nodes and thymus [Option ID = 17606]
Correct Answer :-
spleen and GALT [Option ID = 17607]
In regard to animal development, the term pattern formation refers to
--- Content provided by FirstRanker.com ---
[Question ID = 4371]1. The proteins produced by an individual cell [Option ID = 17481]
2. The process of differentiation of specific cell types [Option ID = 17483]
3. The arrangement of digits in body of an organism [Option ID = 17482]
4. The stages of development through which an organism proceeds [Option ID = 17484]
--- Content provided by FirstRanker.com ---
Correct Answer :-The arrangement of digits in body of an organism [Option ID = 17482]
Given below are some statements about prokaryotic and eukaryotic mobile genetic elements or transposon
1. Most mobile elements in bacteria transpose via RNA intermediate
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2. Most mobile genetic elements in bacteria are DNA
3. Mobile genetic elements in eukaryotes are only transposons
--- Content provided by FirstRanker.com ---
4. Both RNA and DNA transposons are found in eukaryotesChoose the correct combination:
[Question ID = 4390]
1. 2 & 4 [Option ID = 17560]
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2. 2 & 3 [Option ID = 17558]3. 1 & 3 [Option ID = 17557]
4. 1 & 4 [Option ID = 17559]
Correct Answer :-
2 & 4 [Option ID = 17560]
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The word opposite in meaning to the word ?verity? is [Question ID = 4451]1. request [Option ID = 17803]
2. abandon [Option ID = 17804]
3. lie [Option ID = 17801]
4. plead [Option ID = 17802]
--- Content provided by FirstRanker.com ---
Correct Answer :-lie [Option ID = 17801]
The word closest in meaning to the word ?craven? is [Question ID = 4450]
1. a bird [Option ID = 17797]
2. coward [Option ID = 17798]
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3. brave [Option ID = 17799]4. strong [Option ID = 17800]
Correct Answer :-
coward [Option ID = 17798]
(1/2 + 1/3) / (1/4 - 1/6) is
--- Content provided by FirstRanker.com ---
[Question ID = 4448]1. 5/72 [Option ID = 17789]
41)
42)
43)
--- Content provided by FirstRanker.com ---
44)45)
46)
2. 10 [Option ID = 17790]
3. 12 [Option ID = 17792]
--- Content provided by FirstRanker.com ---
4. 11 [Option ID = 17791]Correct Answer :-
10 [Option ID = 17790]
A shirt was marked at Rs. 540=00. It was sold at 3/4 of the marked price. Find the sale price
[Question ID = 4449]
--- Content provided by FirstRanker.com ---
1. Rs. 400 [Option ID = 17793]2. Rs. 410 [Option ID = 17795]
3. Rs. 415 [Option ID = 17796]
4. Rs. 405 [Option ID = 17794]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Rs. 405 [Option ID = 17794]Artemesinin is a new drug for the treatment of [Question ID = 4424]
1. Malaria [Option ID = 17695]
2. Hypercholesterolemia [Option ID = 17694]
3. Type II diabetes [Option ID = 17693]
--- Content provided by FirstRanker.com ---
4. Typhoid [Option ID = 17696]Correct Answer :-
Malaria [Option ID = 17695]
Azidothymidine is used for the treatment of
[Question ID = 4426]
--- Content provided by FirstRanker.com ---
1. Tuberculosis [Option ID = 17702]2. Genetic disorders [Option ID = 17703]
3. HIV [Option ID = 17701]
4. None of these [Option ID = 17704]
Correct Answer :-
--- Content provided by FirstRanker.com ---
HIV [Option ID = 17701]RNAi stands for
[Question ID = 4369]
1. RNA intron [Option ID = 17475]
2. RNA impulse [Option ID = 17474]
--- Content provided by FirstRanker.com ---
3. RNA initiator [Option ID = 17473]4. RNA interference [Option ID = 17476]
Correct Answer :-
RNA interference [Option ID = 17476]
If X = 3
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2, what is the value of X
X
[Question ID = 4454]
1. 3
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4[Option ID = 17813]
2. 3
12
[Option ID = 17815]
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3. 38
[Option ID = 17814]
4. 3
18
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[Option ID = 17816]Correct Answer :-
3
18
[Option ID = 17816]
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2-amino propanoic acid is47)
48)
49)
50)
--- Content provided by FirstRanker.com ---
51)[Question ID = 4387]
1. Glycine [Option ID = 17548]
2. Leucine [Option ID = 17547]
3. Valine [Option ID = 17545]
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4. Alanine [Option ID = 17546]Correct Answer :-
Alanine [Option ID = 17546]
During denaturation of double?helical DNA,
[Question ID = 4389]
--- Content provided by FirstRanker.com ---
1. Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]2. Denaturation increases with decreasing temperature [Option ID = 17553]
3. G-C rich DNA melts at the same temperature as A-T rich DNA [Option ID = 17555]
4. Once denatured, DNA strands cannot anneal [Option ID = 17556]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]During apoptosis, the cell
[Question ID = 4380]
1. all of the these [Option ID = 17520]
2. phosphatidylserine (PS) is flipped to outer side of membrane [Option ID = 17518]
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3. releases of Cytochrome c from mitochondria [Option ID = 17519]4. loses membrane asymmetry [Option ID = 17517]
Correct Answer :-
all of the these [Option ID = 17520]
Injecting Maturation Promoting Factor (MPF) in S phase cell results in
--- Content provided by FirstRanker.com ---
[Question ID = 4393]1. all cells move to G1 phase [Option ID = 17569]
2. all cells move to M phase [Option ID = 17571]
3. all of these [Option ID = 17572]
4. all cell remain in S phase [Option ID = 17570]
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Correct Answer :-all cells move to M phase [Option ID = 17571]
Viral replication within the cells is inhibited by
[Question ID = 4398]
1. IL-1 [Option ID = 17590]
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2. IL-4 [Option ID = 17589]3. IFN alpha [Option ID = 17591]
4. TNF alpha [Option ID = 17592]
Correct Answer :-
IFN alpha [Option ID = 17591]
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A researcher would like to monitor the level of protein in the blood serum. Which one of the following methods would be best suitedfor the purpose?
[Question ID = 4409]
1. Enzyme linked immunosorbent assay [Option ID = 17635]
2. Immunoflouroscence microscopy [Option ID = 17633]
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3. Flourescence cell sorting [Option ID = 17636]4. Fluorescence in-situ hybridization [Option ID = 17634]
52)
53)
54)
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55)56)
57)
Correct Answer :-
Enzyme linked immunosorbent assay [Option ID = 17635]
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Catabolite repression refers to[Question ID = 4365]
1. Inhibition of glucose utilization in the presence of lactose [Option ID = 17459]
2. Inhibition of uptake and metabolism of lactose in the absence of glucose [Option ID = 17457]
3. Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
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4. None of these [Option ID = 17460]Correct Answer :-
Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
Phthalates are components of [Question ID = 4422]
1. Aerosols [Option ID = 17686]
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2. Hand sanitizers [Option ID = 17685]3. Pigments extracted from natural products [Option ID = 17688]
4. Dyes [Option ID = 17687]
Correct Answer :-
Hand sanitizers [Option ID = 17685]
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Replicative senescence is due to[Question ID = 4377]
1. DNA polymerization [Option ID = 17507]
2. Telomerase activation [Option ID = 17506]
3. Shortening of telomere repeats [Option ID = 17505]
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4. Active RNA Synthesis [Option ID = 17508]Correct Answer :-
Shortening of telomere repeats [Option ID = 17505]
The product of the reaction of aniline with sodium nitrite and dilute HCl in ice yields [Question ID = 4428]
1. Nitrobenzene [Option ID = 17712]
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2. Sodium nitrate [Option ID = 17709]3. Nitric acid [Option ID = 17710]
4. Diazonium chloride [Option ID = 17711]
Correct Answer :-
Diazonium chloride [Option ID = 17711]
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[Question ID = 4455]1. 400g [Option ID = 17819]
2. 200g [Option ID = 17817]
3. 500g [Option ID = 17820]
4. 300g [Option ID = 17818]
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Correct Answer :-300g [Option ID = 17818]
[Question ID = 4453]
1. 4 [Option ID = 17812]
58)
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59)60)
61)
62)
63)
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2. 2 [Option ID = 17810]3. ?2 [Option ID = 17809]
4. 2?2 [Option ID = 17811]
Correct Answer :-
2?2 [Option ID = 17811]
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Iodine occurs naturally as[Question ID = 4427]
1. a gas [Option ID = 17708]
2. a solid which sublimes [Option ID = 17706]
3. a solid with a melting point of 80?C [Option ID = 17707]
--- Content provided by FirstRanker.com ---
4. a liquid [Option ID = 17705]Correct Answer :-
a solid which sublimes [Option ID = 17706]
Most members of bryophyte phylum Anthocerophyta are characterized by [Question ID = 4412]
1. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte without stomata. [Option ID = 17645]
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2. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte with stomata. [Option ID = 17648]3. gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]
4. gametophyte with multiple chloroplasts per cell and unicellular rhizoids; sporophyte without stomata. [Option ID = 17647]
Correct Answer :-
gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]
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G-Protein coupled receptors contain the following number of membrane spanning loops [Question ID = 4433]1. 7 [Option ID = 17731]
2. 5 [Option ID = 17729]
3. 8 [Option ID = 17732]
4. 6 [Option ID = 17730]
--- Content provided by FirstRanker.com ---
Correct Answer :-7 [Option ID = 17731]
A gene expressing a 50 kDa protein from Eukaryote was cloned in E. coli plasmid under the lac promoter and operator. Upon addition
of IPTG, the 50 kDa protein was not detected. Which one of the following explains the above observation?
[Question ID = 4416]
--- Content provided by FirstRanker.com ---
1. The cloned sequence lacked the Kozak sequence [Option ID = 17661]2. E.coli does not make proteins larger than 40 kDa [Option ID = 17662]
3. Differences in codon preference [Option ID = 17663]
4. 50 kDa protein contains a nuclear localization signal [Option ID = 17664]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Differences in codon preference [Option ID = 17663]The reaction of CH
3
MgBr with acetaldehyde yields [Question ID = 4443]
1. isopropanol [Option ID = 17770]
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2. n-propanol [Option ID = 17769]3. isobutanol [Option ID = 17772]
4. n-butanol [Option ID = 17771]
Correct Answer :-
isopropanol [Option ID = 17770]
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The reaction of butadiene with ethene in the presence of heat is an example of [Question ID = 4445]1. Cannizarro reaction [Option ID = 17780]
2. Claisen condensation [Option ID = 17779]
3. Robinson?s annulations [Option ID = 17778]
4. Diels Alder reaction [Option ID = 17777]
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64)65)
66)
67)
68)
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69)70)
Correct Answer :-
Diels Alder reaction [Option ID = 17777]
The tallest tree in the world is [Question ID = 4452]
--- Content provided by FirstRanker.com ---
1. The Red Oak [Option ID = 17806]2. The Banyan tree [Option ID = 17808]
3. The Neem tree [Option ID = 17807]
4. The Eucalyptus tree [Option ID = 17805]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Stored form of carbohydrate in sugarcane is [Question ID = 4410]1. Sucrose [Option ID = 17638]
2. Glucose [Option ID = 17639]
3. Starch [Option ID = 17637]
4. Maltose [Option ID = 17640]
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Correct Answer :-Sucrose [Option ID = 17638]
Bacteria exhibit a characteristic growth pattern. A phase during which the cells divide continually with a fixed time interval between
cell divisions, resulting in exponential growth is called [Question ID = 4370]
1. Lag phase [Option ID = 17477]
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2. Stationary Phase [Option ID = 17479]3. Log phase [Option ID = 17478]
4. Meta continual phase [Option ID = 17480]
Correct Answer :-
Log phase [Option ID = 17478]
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Nuclear receptor belong to which class of transcriptional factor[Question ID = 4366]
1. Zn-finger proteins [Option ID = 17463]
2. PAH-domain containing protein [Option ID = 17464]
3. Leucine Zipper proteins [Option ID = 17462]
--- Content provided by FirstRanker.com ---
4. Helix-loop-helix proteins [Option ID = 17461]Correct Answer :-
Zn-finger proteins [Option ID = 17463]
SN1 reactions involve the formation of
[Question ID = 4432]
--- Content provided by FirstRanker.com ---
1. polymeric complexes [Option ID = 17728]2. a cationic intermediate [Option ID = 17727]
3. 5-membered transition state [Option ID = 17725]
4. a charge transfer complex [Option ID = 17726]
Correct Answer :-
--- Content provided by FirstRanker.com ---
a cationic intermediate [Option ID = 17727]Initial depolarization of membrane potential begins with the [Question ID = 4382]
1. opening of sodium channel [Option ID = 17527]
2. closing of sodium channel [Option ID = 17525]
3. closing of potassium channel [Option ID = 17528]
--- Content provided by FirstRanker.com ---
4. opening of potassium channel [Option ID = 17526]Correct Answer :-
opening of sodium channel [Option ID = 17527]
According to 2014 IUCN Red List, which of the following vertebrate class has the largest percentage of threatened species?
71)
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72)73)
74)
75)
76)
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[Question ID = 4413]1. Amphibians [Option ID = 17652]
2. Reptiles [Option ID = 17651]
3. Mammals [Option ID = 17649]
4. Birds [Option ID = 17650]
--- Content provided by FirstRanker.com ---
Correct Answer :-Amphibians [Option ID = 17652]
Two component systems in bacteria consist of [Question ID = 4367]
1. Two transcription factor that work together [Option ID = 17467]
2. Membrane protein and cell wall protein [Option ID = 17466]
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3. A sensor kinase and a response regulator [Option ID = 17465]4. Antibiotic resistance gene and a replication regulatory gene [Option ID = 17468]
Correct Answer :-
A sensor kinase and a response regulator [Option ID = 17465]
HCl is a strong acid and NaOH a strong base. Assuming complete dissociation of each, what will be the pH of solution obtained by
--- Content provided by FirstRanker.com ---
adding 30 mL of 100 mM NaOH to 70 ml of 43 mM HCl?[Question ID = 4384]
1. 7 [Option ID = 17535]
2. 4 [Option ID = 17536]
3. 2 [Option ID = 17533]
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4. 3 [Option ID = 17534]Correct Answer :-
7 [Option ID = 17535]
Primary lymphoid organs [Question ID = 4399]
1. are efficient in exposing T cells to foreign antigens [Option ID = 17593]
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2. are the primary site of antibody synthesis and release [Option ID = 17594]3. Filter blood and trap blood-borne antigens [Option ID = 17595]
4. provide the microenvironment for maturation of T and B cells [Option ID = 17596]
Correct Answer :-
provide the microenvironment for maturation of T and B cells [Option ID = 17596]
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Localized release of acetylcholine is triggered by [Question ID = 4383]1. Opening of voltage gated Ca
2+
channel [Option ID = 17529]
2. Closing of voltage gated Ca
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2+and Na
+
channel [Option ID = 17531]
3. Opening of voltage gated Na
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+channel [Option ID = 17530]
4. Increased influx of Na
+
[Option ID = 17532]
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Correct Answer :-Opening of voltage gated Ca
2+
channel [Option ID = 17529]
Copying errors occurring during replication are corrected by the proof reading activity of DNA polymerases that recognizes incorrect
--- Content provided by FirstRanker.com ---
bases at[Question ID = 4391]
1. 3? end of the growing chain, removes the incorrect base by 5?-3? exonuclease activity [Option ID = 17562]
2. 3? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17563]
3. 5? end of the growing chain, removes the incorrect base by 5?-3? exonuclease activity [Option ID = 17561]
--- Content provided by FirstRanker.com ---
4. 5? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17564]Correct Answer :-
3? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17563]
CDK activation is dependent on
FirstRanker.com - FirstRanker's Choice
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1)2)
3)
4)
5)
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DU MSc PhD Comb degree Bio Sci N MSc Bio SciPH
Topic:- DU_J18_MSC_BIOSCI_Topic01
100 microns equals
[Question ID = 4436]
--- Content provided by FirstRanker.com ---
1. 10-6
m [Option ID = 17741]
2. 10
-4
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m [Option ID = 17743]3. 10
-7
m [Option ID = 17744]
4. 10
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-5m [Option ID = 17742]
Correct Answer :-
10
-4
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m [Option ID = 17743]100 Angstroms equals
[Question ID = 4435]
1. 10
-10
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m [Option ID = 17739]2. 10
-9
m [Option ID = 17737]
3. 10
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-8m [Option ID = 17738]
4. 10
-12
m [Option ID = 17740]
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Correct Answer :-10
-8
m [Option ID = 17738]
The fingerprint region is a part of
--- Content provided by FirstRanker.com ---
[Question ID = 4437]1. Proton NMR spectrum [Option ID = 17745]
2. Infrared spectrum [Option ID = 17748]
3. C
13
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NMR spectrum [Option ID = 17747]4. UV-Visible spectrum [Option ID = 17746]
Correct Answer :-
Infrared spectrum [Option ID = 17748]
The first nucleotide polymerizing enzyme discovered was
--- Content provided by FirstRanker.com ---
[Question ID = 4374]1. DNA polymerase [Option ID = 17494]
2. DNA primase [Option ID = 17495]
3. Taq polymerase [Option ID = 17493]
4. none of these [Option ID = 17496]
--- Content provided by FirstRanker.com ---
Correct Answer :-DNA polymerase [Option ID = 17494]
The pH of a 0.001 M solution of HCl is
[Question ID = 4423]
1. 0.001 [Option ID = 17692]
--- Content provided by FirstRanker.com ---
2. 2 [Option ID = 17690]3. 1 [Option ID = 17689]
4. 3 [Option ID = 17691]
6)
7)
--- Content provided by FirstRanker.com ---
8)9)
10)
11)
Correct Answer :-
--- Content provided by FirstRanker.com ---
3 [Option ID = 17691]The photosynthetic assimilation of atmospheric CO
2
by leaves yield sucrose and starch as end products of two gluconeogenic pathways
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of the
--- Content provided by FirstRanker.com ---
process?[Question ID = 4411]
1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]
2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
--- Content provided by FirstRanker.com ---
4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]Correct Answer :-
Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
The excess oxygen consumed after a vigorous exercise help
[Question ID = 4419]
--- Content provided by FirstRanker.com ---
1. to pump out lactic acid from muscles [Option ID = 17673]2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]
3. to increase the concentration of lactic acid in muscles [Option ID = 17674]
4. to make ATP for gluconeogenesis [Option ID = 17676]
Correct Answer :-
--- Content provided by FirstRanker.com ---
to make ATP for gluconeogenesis [Option ID = 17676]The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be
[Question ID = 4388]
1. 227 Da [Option ID = 17550]
2. 110 Da [Option ID = 17551]
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3. 436 Da [Option ID = 17549]4. 350 Da [Option ID = 17552]
Correct Answer :-
436 Da [Option ID = 17549]
The genetic distance between two genes can be different from the physical distance between them is
--- Content provided by FirstRanker.com ---
[Question ID = 4372]1. impossible [Option ID = 17485]
2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]
3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]
--- Content provided by FirstRanker.com ---
Correct Answer :-possible because genetic distance is relative unlike physical distance [Option ID = 17487]
The enzyme carboxypeptidase contains
[Question ID = 4438]
1. Zinc ion [Option ID = 17751]
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2. Iron ion [Option ID = 17750]3. Cobalt ion [Option ID = 17752]
4. Calcium ion [Option ID = 17749]
Correct Answer :-
Zinc ion [Option ID = 17751]
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The coenzyme TPP is derived from the vitamin12)
13)
14)
15)
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16)[Question ID = 4441]
1. Tetrahydrofolate [Option ID = 17763]
2. Thymine [Option ID = 17761]
3. Biotin [Option ID = 17764]
--- Content provided by FirstRanker.com ---
4. Ascorbic acid [Option ID = 17762]Correct Answer :-
The predominant form of Immunoglobulin present at mucosal sites is
[Question ID = 4405]
1. IgG [Option ID = 17618]
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2. IgD [Option ID = 17619]3. IgM [Option ID = 17620]
4. IgA [Option ID = 17617]
Correct Answer :-
IgA [Option ID = 17617]
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Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygendeficient environments will be compromised if their
[Question ID = 4418]
1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
2. thickness remains unchanged, but their length increases. [Option ID = 17670]
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3. thickness remains unchanged, but their width decreases. [Option ID = 17671]4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]
Correct Answer :-
thickness increases, and the rest of the size remains the same. [Option ID = 17669]
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes like
--- Content provided by FirstRanker.com ---
wound healing, bone development and others, which one of the following type of enzymes is most important?[Question ID = 4392]
1. Proteases [Option ID = 17566]
2. Amylase [Option ID = 17567]
3. Peptidase [Option ID = 17565]
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4. Lipases [Option ID = 17568]Correct Answer :-
Proteases [Option ID = 17566]
DNA tangling during replication is prevented by
[Question ID = 4376]
--- Content provided by FirstRanker.com ---
1. DNA ligase [Option ID = 17502]2. DNA helicase [Option ID = 17501]
3. DNA topoisomerase [Option ID = 17503]
4. All of these [Option ID = 17504]
Correct Answer :-
--- Content provided by FirstRanker.com ---
DNA topoisomerase [Option ID = 17503]Glutaric acid contains [Question ID = 4429]
1. 5 carbon atoms [Option ID = 17713]
2. 4 carbon atoms [Option ID = 17716]
3. 2 carbon atoms [Option ID = 17714]
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4. 3 carbon atoms [Option ID = 17715]Correct Answer :-
5 carbon atoms [Option ID = 17713]
17)
18)
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19)20)
21)
22)
Geometric isomers are
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[Question ID = 4442]1. position isomers [Option ID = 17767]
2. rarely found [Option ID = 17768]
3. configurational isomers [Option ID = 17765]
4. conformational isomers [Option ID = 17766]
--- Content provided by FirstRanker.com ---
Correct Answer :-configurational isomers [Option ID = 17765]
Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves
[Question ID = 4420]
1. A polymerase coded by the host [Option ID = 17678]
--- Content provided by FirstRanker.com ---
2. A polymerase coded by the virus itself [Option ID = 17677]3. Host RNA polymerase [Option ID = 17679]
4. Unknown mechanism [Option ID = 17680]
Correct Answer :-
A polymerase coded by the virus itself [Option ID = 17677]
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Caprolactam is a monomer used to produce[Question ID = 4431]
1. Starch [Option ID = 17722]
2. Cellulose [Option ID = 17721]
3. Glycogen [Option ID = 17723]
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4. Nylon [Option ID = 17724]Correct Answer :-
Nylon [Option ID = 17724]
Tetracycline blocks protein synthesis by
[Question ID = 4364]
--- Content provided by FirstRanker.com ---
1. Inhibiting translocase enzyme [Option ID = 17456]2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]
3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]
4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]Hematopoietic stem cells are pluripotent, which means that they are
[Question ID = 4400]
1. capable of developing into any type of blood cells [Option ID = 17598]
2. committed to produce cells of a single lineage [Option ID = 17599]
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3. not self renewal [Option ID = 17600]4. antigen specific cells [Option ID = 17597]
Correct Answer :-
capable of developing into any type of blood cells [Option ID = 17598]
Alveolar cells of the lung arise from which one of the following layers?
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[Question ID = 4415]1. Endoderm [Option ID = 17658]
2. Mesoderm [Option ID = 17657]
3. Both ectoderm and endoderm [Option ID = 17660]
4. Ectoderm [Option ID = 17659]
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23)24)
25)
26)
27)
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28)Correct Answer :-
Endoderm [Option ID = 17658]
A Th2 cell does not produce
[Question ID = 4404]
--- Content provided by FirstRanker.com ---
1. Interleukin-10 [Option ID = 17615]2. Interleukin-4 [Option ID = 17614]
3. Interferon gamma [Option ID = 17613]
4. Interleuine-5 [Option ID = 17616]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Interferon gamma [Option ID = 17613]Xenon hexafluoride is a
[Question ID = 4439]
1. Tetrahedral molecule [Option ID = 17753]
2. Square planar molecule [Option ID = 17754]
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3. Octahedral molecule [Option ID = 17755]4. Planar molecule [Option ID = 17756]
Correct Answer :-
Octahedral molecule [Option ID = 17755]
Na
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+dependent carrier exchanger regulates cytosolic pH
[Question ID = 4381]
1. Na
+
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/ Glucose symport [Option ID = 17524]2. Na
+
/ K
+
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exchanger [Option ID = 17523]3. Na
+
/ H
+
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antiport [Option ID = 17522]4. Na
+
/ H
+
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symport [Option ID = 17521]Correct Answer :-
Na
+
/ H
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+antiport [Option ID = 17522]
Thermolysin is
[Question ID = 4447]
1. a vitamin [Option ID = 17788]
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2. a carbohydrate [Option ID = 17787]3. an exopeptidase [Option ID = 17785]
4. an endopeptidase [Option ID = 17786]
Correct Answer :-
an endopeptidase [Option ID = 17786]
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During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]
2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]
3. Binding of ribosome subunit to mRNA [Option ID = 17451]
4. Transfer of phosphate group [Option ID = 17452]
--- Content provided by FirstRanker.com ---
Correct Answer :-Formation of peptide bond between adjacent amino acids [Option ID = 17450]
cis- and trans-butadiene are
[Question ID = 4444]
1. geometric isomers [Option ID = 17773]
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2. position isomers [Option ID = 17775]29)
30)
31)
32)
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33)34)
3. not isomers [Option ID = 17776]
4. conformational isomers [Option ID = 17774]
Correct Answer :-
--- Content provided by FirstRanker.com ---
geometric isomers [Option ID = 17773]In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalently
linked by
[Question ID = 4395]
1. beta-1, 6-glycosidic bond [Option ID = 17578]
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2. beta-1, 4-glycosidic bond [Option ID = 17580]3. alpha-1, 6-glycosidic bond [Option ID = 17579]
4. alpha-1, 4-glycosidic bond [Option ID = 17577]
Correct Answer :-
beta-1, 4-glycosidic bond [Option ID = 17580]
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Bacterial flagella imparts motility to the cell by[Question ID = 4397]
1. gliding movement [Option ID = 17587]
2. rotatory movement [Option ID = 17586]
3. undulating movement [Option ID = 17585]
--- Content provided by FirstRanker.com ---
4. both undulating movement & rotatory movement [Option ID = 17588]Correct Answer :-
rotatory movement [Option ID = 17586]
The Predominant interactions between phospholipids that stabilize a biological membrane include [Question ID = 4394]
1. Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
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2. Covalent and hydrophobic interaction [Option ID = 17576]3. Hydrogen bonds and covalent interaction [Option ID = 17573]
4. Vander Waal interaction and ionic interaction [Option ID = 17574]
Correct Answer :-
Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
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5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.[Question ID = 4456]
1. 65 [Option ID = 17823]
2. 64 [Option ID = 17822]
3. 63 [Option ID = 17821]
--- Content provided by FirstRanker.com ---
4. 66 [Option ID = 17824]Correct Answer :-
64 [Option ID = 17822]
Enzymes accelerate a reaction by which one of the following strategies? [Question ID = 4414]
1. Increasing the free energy difference between substrate and the product [Option ID = 17655]
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2. Decreasing energy required to form the transition state [Option ID = 17653]3. Increasing kinetic energy of the substrate [Option ID = 17654]
4. Changing the turn over number of enzymes [Option ID = 17656]
Correct Answer :-
Decreasing energy required to form the transition state [Option ID = 17653]
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Germ-plasm theory was given by [Question ID = 4368]1. Charles Darwin [Option ID = 17471]
2. Walter Sutton [Option ID = 17470]
3. Gregor Mendel [Option ID = 17472]
4. Weismann [Option ID = 17469]
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35)36)
37)
38)
39)
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40)Correct Answer :-
Weismann [Option ID = 17469]
The following two organs are example of secondary lymphoid organs [Question ID = 4402]
1. bone marrow and MALT [Option ID = 17608]
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2. spleen and GALT [Option ID = 17607]3. spleen and thymus [Option ID = 17605]
4. lymph nodes and thymus [Option ID = 17606]
Correct Answer :-
spleen and GALT [Option ID = 17607]
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In regard to animal development, the term pattern formation refers to[Question ID = 4371]
1. The proteins produced by an individual cell [Option ID = 17481]
2. The process of differentiation of specific cell types [Option ID = 17483]
3. The arrangement of digits in body of an organism [Option ID = 17482]
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4. The stages of development through which an organism proceeds [Option ID = 17484]Correct Answer :-
The arrangement of digits in body of an organism [Option ID = 17482]
Given below are some statements about prokaryotic and eukaryotic mobile genetic elements or transposon
--- Content provided by FirstRanker.com ---
1. Most mobile elements in bacteria transpose via RNA intermediate2. Most mobile genetic elements in bacteria are DNA
3. Mobile genetic elements in eukaryotes are only transposons
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4. Both RNA and DNA transposons are found in eukaryotes
Choose the correct combination:
[Question ID = 4390]
--- Content provided by FirstRanker.com ---
1. 2 & 4 [Option ID = 17560]2. 2 & 3 [Option ID = 17558]
3. 1 & 3 [Option ID = 17557]
4. 1 & 4 [Option ID = 17559]
Correct Answer :-
--- Content provided by FirstRanker.com ---
2 & 4 [Option ID = 17560]The word opposite in meaning to the word ?verity? is [Question ID = 4451]
1. request [Option ID = 17803]
2. abandon [Option ID = 17804]
3. lie [Option ID = 17801]
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4. plead [Option ID = 17802]Correct Answer :-
lie [Option ID = 17801]
The word closest in meaning to the word ?craven? is [Question ID = 4450]
1. a bird [Option ID = 17797]
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2. coward [Option ID = 17798]3. brave [Option ID = 17799]
4. strong [Option ID = 17800]
Correct Answer :-
coward [Option ID = 17798]
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(1/2 + 1/3) / (1/4 - 1/6) is[Question ID = 4448]
1. 5/72 [Option ID = 17789]
41)
42)
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43)44)
45)
46)
2. 10 [Option ID = 17790]
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3. 12 [Option ID = 17792]4. 11 [Option ID = 17791]
Correct Answer :-
10 [Option ID = 17790]
A shirt was marked at Rs. 540=00. It was sold at 3/4 of the marked price. Find the sale price
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[Question ID = 4449]1. Rs. 400 [Option ID = 17793]
2. Rs. 410 [Option ID = 17795]
3. Rs. 415 [Option ID = 17796]
4. Rs. 405 [Option ID = 17794]
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Correct Answer :-Rs. 405 [Option ID = 17794]
Artemesinin is a new drug for the treatment of [Question ID = 4424]
1. Malaria [Option ID = 17695]
2. Hypercholesterolemia [Option ID = 17694]
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3. Type II diabetes [Option ID = 17693]4. Typhoid [Option ID = 17696]
Correct Answer :-
Malaria [Option ID = 17695]
Azidothymidine is used for the treatment of
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[Question ID = 4426]1. Tuberculosis [Option ID = 17702]
2. Genetic disorders [Option ID = 17703]
3. HIV [Option ID = 17701]
4. None of these [Option ID = 17704]
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Correct Answer :-HIV [Option ID = 17701]
RNAi stands for
[Question ID = 4369]
1. RNA intron [Option ID = 17475]
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2. RNA impulse [Option ID = 17474]3. RNA initiator [Option ID = 17473]
4. RNA interference [Option ID = 17476]
Correct Answer :-
RNA interference [Option ID = 17476]
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If X = 32
, what is the value of X
X
[Question ID = 4454]
--- Content provided by FirstRanker.com ---
1. 34
[Option ID = 17813]
2. 3
12
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[Option ID = 17815]3. 3
8
[Option ID = 17814]
4. 3
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18[Option ID = 17816]
Correct Answer :-
3
18
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[Option ID = 17816]2-amino propanoic acid is
47)
48)
49)
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50)51)
[Question ID = 4387]
1. Glycine [Option ID = 17548]
2. Leucine [Option ID = 17547]
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3. Valine [Option ID = 17545]4. Alanine [Option ID = 17546]
Correct Answer :-
Alanine [Option ID = 17546]
During denaturation of double?helical DNA,
--- Content provided by FirstRanker.com ---
[Question ID = 4389]1. Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
2. Denaturation increases with decreasing temperature [Option ID = 17553]
3. G-C rich DNA melts at the same temperature as A-T rich DNA [Option ID = 17555]
4. Once denatured, DNA strands cannot anneal [Option ID = 17556]
--- Content provided by FirstRanker.com ---
Correct Answer :-Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
During apoptosis, the cell
[Question ID = 4380]
1. all of the these [Option ID = 17520]
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2. phosphatidylserine (PS) is flipped to outer side of membrane [Option ID = 17518]3. releases of Cytochrome c from mitochondria [Option ID = 17519]
4. loses membrane asymmetry [Option ID = 17517]
Correct Answer :-
all of the these [Option ID = 17520]
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Injecting Maturation Promoting Factor (MPF) in S phase cell results in[Question ID = 4393]
1. all cells move to G1 phase [Option ID = 17569]
2. all cells move to M phase [Option ID = 17571]
3. all of these [Option ID = 17572]
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4. all cell remain in S phase [Option ID = 17570]Correct Answer :-
all cells move to M phase [Option ID = 17571]
Viral replication within the cells is inhibited by
[Question ID = 4398]
--- Content provided by FirstRanker.com ---
1. IL-1 [Option ID = 17590]2. IL-4 [Option ID = 17589]
3. IFN alpha [Option ID = 17591]
4. TNF alpha [Option ID = 17592]
Correct Answer :-
--- Content provided by FirstRanker.com ---
IFN alpha [Option ID = 17591]A researcher would like to monitor the level of protein in the blood serum. Which one of the following methods would be best suited
for the purpose?
[Question ID = 4409]
1. Enzyme linked immunosorbent assay [Option ID = 17635]
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2. Immunoflouroscence microscopy [Option ID = 17633]3. Flourescence cell sorting [Option ID = 17636]
4. Fluorescence in-situ hybridization [Option ID = 17634]
52)
53)
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54)55)
56)
57)
Correct Answer :-
--- Content provided by FirstRanker.com ---
Enzyme linked immunosorbent assay [Option ID = 17635]Catabolite repression refers to
[Question ID = 4365]
1. Inhibition of glucose utilization in the presence of lactose [Option ID = 17459]
2. Inhibition of uptake and metabolism of lactose in the absence of glucose [Option ID = 17457]
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3. Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]4. None of these [Option ID = 17460]
Correct Answer :-
Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
Phthalates are components of [Question ID = 4422]
--- Content provided by FirstRanker.com ---
1. Aerosols [Option ID = 17686]2. Hand sanitizers [Option ID = 17685]
3. Pigments extracted from natural products [Option ID = 17688]
4. Dyes [Option ID = 17687]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Hand sanitizers [Option ID = 17685]Replicative senescence is due to
[Question ID = 4377]
1. DNA polymerization [Option ID = 17507]
2. Telomerase activation [Option ID = 17506]
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3. Shortening of telomere repeats [Option ID = 17505]4. Active RNA Synthesis [Option ID = 17508]
Correct Answer :-
Shortening of telomere repeats [Option ID = 17505]
The product of the reaction of aniline with sodium nitrite and dilute HCl in ice yields [Question ID = 4428]
--- Content provided by FirstRanker.com ---
1. Nitrobenzene [Option ID = 17712]2. Sodium nitrate [Option ID = 17709]
3. Nitric acid [Option ID = 17710]
4. Diazonium chloride [Option ID = 17711]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Diazonium chloride [Option ID = 17711][Question ID = 4455]
1. 400g [Option ID = 17819]
2. 200g [Option ID = 17817]
3. 500g [Option ID = 17820]
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4. 300g [Option ID = 17818]Correct Answer :-
300g [Option ID = 17818]
[Question ID = 4453]
1. 4 [Option ID = 17812]
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58)59)
60)
61)
62)
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63)2. 2 [Option ID = 17810]
3. ?2 [Option ID = 17809]
4. 2?2 [Option ID = 17811]
Correct Answer :-
--- Content provided by FirstRanker.com ---
2?2 [Option ID = 17811]Iodine occurs naturally as
[Question ID = 4427]
1. a gas [Option ID = 17708]
2. a solid which sublimes [Option ID = 17706]
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3. a solid with a melting point of 80?C [Option ID = 17707]4. a liquid [Option ID = 17705]
Correct Answer :-
a solid which sublimes [Option ID = 17706]
Most members of bryophyte phylum Anthocerophyta are characterized by [Question ID = 4412]
--- Content provided by FirstRanker.com ---
1. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte without stomata. [Option ID = 17645]2. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte with stomata. [Option ID = 17648]
3. gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]
4. gametophyte with multiple chloroplasts per cell and unicellular rhizoids; sporophyte without stomata. [Option ID = 17647]
Correct Answer :-
--- Content provided by FirstRanker.com ---
gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]G-Protein coupled receptors contain the following number of membrane spanning loops [Question ID = 4433]
1. 7 [Option ID = 17731]
2. 5 [Option ID = 17729]
3. 8 [Option ID = 17732]
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4. 6 [Option ID = 17730]Correct Answer :-
7 [Option ID = 17731]
A gene expressing a 50 kDa protein from Eukaryote was cloned in E. coli plasmid under the lac promoter and operator. Upon addition
of IPTG, the 50 kDa protein was not detected. Which one of the following explains the above observation?
--- Content provided by FirstRanker.com ---
[Question ID = 4416]1. The cloned sequence lacked the Kozak sequence [Option ID = 17661]
2. E.coli does not make proteins larger than 40 kDa [Option ID = 17662]
3. Differences in codon preference [Option ID = 17663]
4. 50 kDa protein contains a nuclear localization signal [Option ID = 17664]
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Correct Answer :-Differences in codon preference [Option ID = 17663]
The reaction of CH
3
MgBr with acetaldehyde yields [Question ID = 4443]
--- Content provided by FirstRanker.com ---
1. isopropanol [Option ID = 17770]2. n-propanol [Option ID = 17769]
3. isobutanol [Option ID = 17772]
4. n-butanol [Option ID = 17771]
Correct Answer :-
--- Content provided by FirstRanker.com ---
isopropanol [Option ID = 17770]The reaction of butadiene with ethene in the presence of heat is an example of [Question ID = 4445]
1. Cannizarro reaction [Option ID = 17780]
2. Claisen condensation [Option ID = 17779]
3. Robinson?s annulations [Option ID = 17778]
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4. Diels Alder reaction [Option ID = 17777]64)
65)
66)
67)
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68)69)
70)
Correct Answer :-
Diels Alder reaction [Option ID = 17777]
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The tallest tree in the world is [Question ID = 4452]1. The Red Oak [Option ID = 17806]
2. The Banyan tree [Option ID = 17808]
3. The Neem tree [Option ID = 17807]
4. The Eucalyptus tree [Option ID = 17805]
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Correct Answer :-Stored form of carbohydrate in sugarcane is [Question ID = 4410]
1. Sucrose [Option ID = 17638]
2. Glucose [Option ID = 17639]
3. Starch [Option ID = 17637]
--- Content provided by FirstRanker.com ---
4. Maltose [Option ID = 17640]Correct Answer :-
Sucrose [Option ID = 17638]
Bacteria exhibit a characteristic growth pattern. A phase during which the cells divide continually with a fixed time interval between
cell divisions, resulting in exponential growth is called [Question ID = 4370]
--- Content provided by FirstRanker.com ---
1. Lag phase [Option ID = 17477]2. Stationary Phase [Option ID = 17479]
3. Log phase [Option ID = 17478]
4. Meta continual phase [Option ID = 17480]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Log phase [Option ID = 17478]Nuclear receptor belong to which class of transcriptional factor
[Question ID = 4366]
1. Zn-finger proteins [Option ID = 17463]
2. PAH-domain containing protein [Option ID = 17464]
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3. Leucine Zipper proteins [Option ID = 17462]4. Helix-loop-helix proteins [Option ID = 17461]
Correct Answer :-
Zn-finger proteins [Option ID = 17463]
SN1 reactions involve the formation of
--- Content provided by FirstRanker.com ---
[Question ID = 4432]1. polymeric complexes [Option ID = 17728]
2. a cationic intermediate [Option ID = 17727]
3. 5-membered transition state [Option ID = 17725]
4. a charge transfer complex [Option ID = 17726]
--- Content provided by FirstRanker.com ---
Correct Answer :-a cationic intermediate [Option ID = 17727]
Initial depolarization of membrane potential begins with the [Question ID = 4382]
1. opening of sodium channel [Option ID = 17527]
2. closing of sodium channel [Option ID = 17525]
--- Content provided by FirstRanker.com ---
3. closing of potassium channel [Option ID = 17528]4. opening of potassium channel [Option ID = 17526]
Correct Answer :-
opening of sodium channel [Option ID = 17527]
According to 2014 IUCN Red List, which of the following vertebrate class has the largest percentage of threatened species?
--- Content provided by FirstRanker.com ---
71)72)
73)
74)
75)
--- Content provided by FirstRanker.com ---
76)[Question ID = 4413]
1. Amphibians [Option ID = 17652]
2. Reptiles [Option ID = 17651]
3. Mammals [Option ID = 17649]
--- Content provided by FirstRanker.com ---
4. Birds [Option ID = 17650]Correct Answer :-
Amphibians [Option ID = 17652]
Two component systems in bacteria consist of [Question ID = 4367]
1. Two transcription factor that work together [Option ID = 17467]
--- Content provided by FirstRanker.com ---
2. Membrane protein and cell wall protein [Option ID = 17466]3. A sensor kinase and a response regulator [Option ID = 17465]
4. Antibiotic resistance gene and a replication regulatory gene [Option ID = 17468]
Correct Answer :-
A sensor kinase and a response regulator [Option ID = 17465]
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HCl is a strong acid and NaOH a strong base. Assuming complete dissociation of each, what will be the pH of solution obtained byadding 30 mL of 100 mM NaOH to 70 ml of 43 mM HCl?
[Question ID = 4384]
1. 7 [Option ID = 17535]
2. 4 [Option ID = 17536]
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3. 2 [Option ID = 17533]4. 3 [Option ID = 17534]
Correct Answer :-
7 [Option ID = 17535]
Primary lymphoid organs [Question ID = 4399]
--- Content provided by FirstRanker.com ---
1. are efficient in exposing T cells to foreign antigens [Option ID = 17593]2. are the primary site of antibody synthesis and release [Option ID = 17594]
3. Filter blood and trap blood-borne antigens [Option ID = 17595]
4. provide the microenvironment for maturation of T and B cells [Option ID = 17596]
Correct Answer :-
--- Content provided by FirstRanker.com ---
provide the microenvironment for maturation of T and B cells [Option ID = 17596]Localized release of acetylcholine is triggered by [Question ID = 4383]
1. Opening of voltage gated Ca
2+
channel [Option ID = 17529]
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2. Closing of voltage gated Ca2+
and Na
+
channel [Option ID = 17531]
--- Content provided by FirstRanker.com ---
3. Opening of voltage gated Na+
channel [Option ID = 17530]
4. Increased influx of Na
+
--- Content provided by FirstRanker.com ---
[Option ID = 17532]Correct Answer :-
Opening of voltage gated Ca
2+
channel [Option ID = 17529]
--- Content provided by FirstRanker.com ---
Copying errors occurring during replication are corrected by the proof reading activity of DNA polymerases that recognizes incorrectbases at
[Question ID = 4391]
1. 3? end of the growing chain, removes the incorrect base by 5?-3? exonuclease activity [Option ID = 17562]
2. 3? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17563]
--- Content provided by FirstRanker.com ---
3. 5? end of the growing chain, removes the incorrect base by 5?-3? exonuclease activity [Option ID = 17561]4. 5? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17564]
Correct Answer :-
3? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17563]
CDK activation is dependent on
--- Content provided by FirstRanker.com ---
77)78)
79)
80)
81)
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[Question ID = 4379]1. All of the these [Option ID = 17516]
2. Cyclin [Option ID = 17513]
3. CAK [Option ID = 17515]
4. Phosphorylation of T-loop [Option ID = 17514]
--- Content provided by FirstRanker.com ---
Correct Answer :-All of the these [Option ID = 17516]
Barbiturates cannot be used as
[Question ID = 4425]
1. Anti-convulsants [Option ID = 17697]
--- Content provided by FirstRanker.com ---
2. Anti-histamines [Option ID = 17700]3. Sedatives [Option ID = 17699]
4. Hypnotics [Option ID = 17698]
Correct Answer :-
Anti-histamines [Option ID = 17700]
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In a population from a recently discovered island in the Indian ocean, most of the people were of blood group O. This indicates that[Question ID = 4375]
1. This a case of pseudo-genes [Option ID = 17499]
2. This is a case of pseudo-dominance [Option ID = 17500]
3. This is due to high rate of mutation [Option ID = 17498]
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4. Blood group O is a truly dominant allele [Option ID = 17497]Correct Answer :-
This is a case of pseudo-dominance [Option ID = 17500]
Which form of DNA is found most commonly in biological systems?
[Question ID = 4440]
--- Content provided by FirstRanker.com ---
1. Single stranded DNA [Option ID = 17760]2. A-DNA [Option ID = 17757]
3. B-DNA [Option ID = 17758]
4. Z-DNA [Option ID = 17759]
Correct Answer :-
--- Content provided by FirstRanker.com ---
B-DNA [Option ID = 17758]Which cell undergoes more rigorous positive and negative selection during development?
[Question ID = 4406]
1. T cells are more rigorously selected than B cells [Option ID = 17622]
2. B cells are more rigorously selected than T cells [Option ID = 17621]
--- Content provided by FirstRanker.com ---
3. Both undergo equal levels of selection [Option ID = 17623]4. Neither cell undergoes any selection for optimum repertoire [Option ID = 17624]
Correct Answer :-
T cells are more rigorously selected than B cells [Option ID = 17622]
Which one of the following would contribute to the intrinsic fluorescence of a protein?
--- Content provided by FirstRanker.com ---
[Question ID = 4417]1. Charged amino acids [Option ID = 17667]
2. Aromatic amino acids [Option ID = 17665]
3. Branched chain amino acids [Option ID = 17668]
4. Disulfide bonds [Option ID = 17666]
--- Content provided by FirstRanker.com ---
Correct Answer :-FirstRanker.com - FirstRanker's Choice
1)
2)
3)
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4)5)
DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
PH
Topic:- DU_J18_MSC_BIOSCI_Topic01
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100 microns equals[Question ID = 4436]
1. 10
-6
m [Option ID = 17741]
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2. 10-4
m [Option ID = 17743]
3. 10
-7
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m [Option ID = 17744]4. 10
-5
m [Option ID = 17742]
Correct Answer :-
--- Content provided by FirstRanker.com ---
10-4
m [Option ID = 17743]
100 Angstroms equals
[Question ID = 4435]
--- Content provided by FirstRanker.com ---
1. 10-10
m [Option ID = 17739]
2. 10
-9
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m [Option ID = 17737]3. 10
-8
m [Option ID = 17738]
4. 10
--- Content provided by FirstRanker.com ---
-12m [Option ID = 17740]
Correct Answer :-
10
-8
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m [Option ID = 17738]The fingerprint region is a part of
[Question ID = 4437]
1. Proton NMR spectrum [Option ID = 17745]
2. Infrared spectrum [Option ID = 17748]
--- Content provided by FirstRanker.com ---
3. C13
NMR spectrum [Option ID = 17747]
4. UV-Visible spectrum [Option ID = 17746]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Infrared spectrum [Option ID = 17748]The first nucleotide polymerizing enzyme discovered was
[Question ID = 4374]
1. DNA polymerase [Option ID = 17494]
2. DNA primase [Option ID = 17495]
--- Content provided by FirstRanker.com ---
3. Taq polymerase [Option ID = 17493]4. none of these [Option ID = 17496]
Correct Answer :-
DNA polymerase [Option ID = 17494]
The pH of a 0.001 M solution of HCl is
--- Content provided by FirstRanker.com ---
[Question ID = 4423]1. 0.001 [Option ID = 17692]
2. 2 [Option ID = 17690]
3. 1 [Option ID = 17689]
4. 3 [Option ID = 17691]
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6)7)
8)
9)
10)
--- Content provided by FirstRanker.com ---
11)Correct Answer :-
3 [Option ID = 17691]
The photosynthetic assimilation of atmospheric CO
2
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by leaves yield sucrose and starch as end products of two gluconeogenic pathwaysthat are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of the
process?
[Question ID = 4411]
1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]
--- Content provided by FirstRanker.com ---
2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
Correct Answer :-
Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
--- Content provided by FirstRanker.com ---
The excess oxygen consumed after a vigorous exercise help[Question ID = 4419]
1. to pump out lactic acid from muscles [Option ID = 17673]
2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]
3. to increase the concentration of lactic acid in muscles [Option ID = 17674]
--- Content provided by FirstRanker.com ---
4. to make ATP for gluconeogenesis [Option ID = 17676]Correct Answer :-
to make ATP for gluconeogenesis [Option ID = 17676]
The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be
[Question ID = 4388]
--- Content provided by FirstRanker.com ---
1. 227 Da [Option ID = 17550]2. 110 Da [Option ID = 17551]
3. 436 Da [Option ID = 17549]
4. 350 Da [Option ID = 17552]
Correct Answer :-
--- Content provided by FirstRanker.com ---
436 Da [Option ID = 17549]The genetic distance between two genes can be different from the physical distance between them is
[Question ID = 4372]
1. impossible [Option ID = 17485]
2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]
--- Content provided by FirstRanker.com ---
3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]
Correct Answer :-
possible because genetic distance is relative unlike physical distance [Option ID = 17487]
The enzyme carboxypeptidase contains
--- Content provided by FirstRanker.com ---
[Question ID = 4438]1. Zinc ion [Option ID = 17751]
2. Iron ion [Option ID = 17750]
3. Cobalt ion [Option ID = 17752]
4. Calcium ion [Option ID = 17749]
--- Content provided by FirstRanker.com ---
Correct Answer :-Zinc ion [Option ID = 17751]
The coenzyme TPP is derived from the vitamin
12)
13)
--- Content provided by FirstRanker.com ---
14)15)
16)
[Question ID = 4441]
1. Tetrahydrofolate [Option ID = 17763]
--- Content provided by FirstRanker.com ---
2. Thymine [Option ID = 17761]3. Biotin [Option ID = 17764]
4. Ascorbic acid [Option ID = 17762]
Correct Answer :-
The predominant form of Immunoglobulin present at mucosal sites is
--- Content provided by FirstRanker.com ---
[Question ID = 4405]1. IgG [Option ID = 17618]
2. IgD [Option ID = 17619]
3. IgM [Option ID = 17620]
4. IgA [Option ID = 17617]
--- Content provided by FirstRanker.com ---
Correct Answer :-IgA [Option ID = 17617]
Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygen
deficient environments will be compromised if their
[Question ID = 4418]
--- Content provided by FirstRanker.com ---
1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]2. thickness remains unchanged, but their length increases. [Option ID = 17670]
3. thickness remains unchanged, but their width decreases. [Option ID = 17671]
4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]
Correct Answer :-
--- Content provided by FirstRanker.com ---
thickness increases, and the rest of the size remains the same. [Option ID = 17669]Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes like
wound healing, bone development and others, which one of the following type of enzymes is most important?
[Question ID = 4392]
1. Proteases [Option ID = 17566]
--- Content provided by FirstRanker.com ---
2. Amylase [Option ID = 17567]3. Peptidase [Option ID = 17565]
4. Lipases [Option ID = 17568]
Correct Answer :-
Proteases [Option ID = 17566]
--- Content provided by FirstRanker.com ---
DNA tangling during replication is prevented by[Question ID = 4376]
1. DNA ligase [Option ID = 17502]
2. DNA helicase [Option ID = 17501]
3. DNA topoisomerase [Option ID = 17503]
--- Content provided by FirstRanker.com ---
4. All of these [Option ID = 17504]Correct Answer :-
DNA topoisomerase [Option ID = 17503]
Glutaric acid contains [Question ID = 4429]
1. 5 carbon atoms [Option ID = 17713]
--- Content provided by FirstRanker.com ---
2. 4 carbon atoms [Option ID = 17716]3. 2 carbon atoms [Option ID = 17714]
4. 3 carbon atoms [Option ID = 17715]
Correct Answer :-
5 carbon atoms [Option ID = 17713]
--- Content provided by FirstRanker.com ---
17)18)
19)
20)
21)
--- Content provided by FirstRanker.com ---
22)Geometric isomers are
[Question ID = 4442]
1. position isomers [Option ID = 17767]
2. rarely found [Option ID = 17768]
--- Content provided by FirstRanker.com ---
3. configurational isomers [Option ID = 17765]4. conformational isomers [Option ID = 17766]
Correct Answer :-
configurational isomers [Option ID = 17765]
Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves
--- Content provided by FirstRanker.com ---
[Question ID = 4420]1. A polymerase coded by the host [Option ID = 17678]
2. A polymerase coded by the virus itself [Option ID = 17677]
3. Host RNA polymerase [Option ID = 17679]
4. Unknown mechanism [Option ID = 17680]
--- Content provided by FirstRanker.com ---
Correct Answer :-A polymerase coded by the virus itself [Option ID = 17677]
Caprolactam is a monomer used to produce
[Question ID = 4431]
1. Starch [Option ID = 17722]
--- Content provided by FirstRanker.com ---
2. Cellulose [Option ID = 17721]3. Glycogen [Option ID = 17723]
4. Nylon [Option ID = 17724]
Correct Answer :-
Nylon [Option ID = 17724]
--- Content provided by FirstRanker.com ---
Tetracycline blocks protein synthesis by[Question ID = 4364]
1. Inhibiting translocase enzyme [Option ID = 17456]
2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]
3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]
--- Content provided by FirstRanker.com ---
4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]Correct Answer :-
Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Hematopoietic stem cells are pluripotent, which means that they are
[Question ID = 4400]
--- Content provided by FirstRanker.com ---
1. capable of developing into any type of blood cells [Option ID = 17598]2. committed to produce cells of a single lineage [Option ID = 17599]
3. not self renewal [Option ID = 17600]
4. antigen specific cells [Option ID = 17597]
Correct Answer :-
--- Content provided by FirstRanker.com ---
capable of developing into any type of blood cells [Option ID = 17598]Alveolar cells of the lung arise from which one of the following layers?
[Question ID = 4415]
1. Endoderm [Option ID = 17658]
2. Mesoderm [Option ID = 17657]
--- Content provided by FirstRanker.com ---
3. Both ectoderm and endoderm [Option ID = 17660]4. Ectoderm [Option ID = 17659]
23)
24)
25)
--- Content provided by FirstRanker.com ---
26)27)
28)
Correct Answer :-
Endoderm [Option ID = 17658]
--- Content provided by FirstRanker.com ---
A Th2 cell does not produce[Question ID = 4404]
1. Interleukin-10 [Option ID = 17615]
2. Interleukin-4 [Option ID = 17614]
3. Interferon gamma [Option ID = 17613]
--- Content provided by FirstRanker.com ---
4. Interleuine-5 [Option ID = 17616]Correct Answer :-
Interferon gamma [Option ID = 17613]
Xenon hexafluoride is a
[Question ID = 4439]
--- Content provided by FirstRanker.com ---
1. Tetrahedral molecule [Option ID = 17753]2. Square planar molecule [Option ID = 17754]
3. Octahedral molecule [Option ID = 17755]
4. Planar molecule [Option ID = 17756]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Octahedral molecule [Option ID = 17755]Na
+
dependent carrier exchanger regulates cytosolic pH
[Question ID = 4381]
--- Content provided by FirstRanker.com ---
1. Na+
/ Glucose symport [Option ID = 17524]
2. Na
+
--- Content provided by FirstRanker.com ---
/ K+
exchanger [Option ID = 17523]
3. Na
+
--- Content provided by FirstRanker.com ---
/ H+
antiport [Option ID = 17522]
4. Na
+
--- Content provided by FirstRanker.com ---
/ H+
symport [Option ID = 17521]
Correct Answer :-
Na
--- Content provided by FirstRanker.com ---
+/ H
+
antiport [Option ID = 17522]
Thermolysin is
--- Content provided by FirstRanker.com ---
[Question ID = 4447]1. a vitamin [Option ID = 17788]
2. a carbohydrate [Option ID = 17787]
3. an exopeptidase [Option ID = 17785]
4. an endopeptidase [Option ID = 17786]
--- Content provided by FirstRanker.com ---
Correct Answer :-an endopeptidase [Option ID = 17786]
During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]
1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]
2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]
--- Content provided by FirstRanker.com ---
3. Binding of ribosome subunit to mRNA [Option ID = 17451]4. Transfer of phosphate group [Option ID = 17452]
Correct Answer :-
Formation of peptide bond between adjacent amino acids [Option ID = 17450]
cis- and trans-butadiene are
--- Content provided by FirstRanker.com ---
[Question ID = 4444]1. geometric isomers [Option ID = 17773]
2. position isomers [Option ID = 17775]
29)
30)
--- Content provided by FirstRanker.com ---
31)32)
33)
34)
3. not isomers [Option ID = 17776]
--- Content provided by FirstRanker.com ---
4. conformational isomers [Option ID = 17774]Correct Answer :-
geometric isomers [Option ID = 17773]
In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalently
linked by
--- Content provided by FirstRanker.com ---
[Question ID = 4395]1. beta-1, 6-glycosidic bond [Option ID = 17578]
2. beta-1, 4-glycosidic bond [Option ID = 17580]
3. alpha-1, 6-glycosidic bond [Option ID = 17579]
4. alpha-1, 4-glycosidic bond [Option ID = 17577]
--- Content provided by FirstRanker.com ---
Correct Answer :-beta-1, 4-glycosidic bond [Option ID = 17580]
Bacterial flagella imparts motility to the cell by
[Question ID = 4397]
1. gliding movement [Option ID = 17587]
--- Content provided by FirstRanker.com ---
2. rotatory movement [Option ID = 17586]3. undulating movement [Option ID = 17585]
4. both undulating movement & rotatory movement [Option ID = 17588]
Correct Answer :-
rotatory movement [Option ID = 17586]
--- Content provided by FirstRanker.com ---
The Predominant interactions between phospholipids that stabilize a biological membrane include [Question ID = 4394]1. Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
2. Covalent and hydrophobic interaction [Option ID = 17576]
3. Hydrogen bonds and covalent interaction [Option ID = 17573]
4. Vander Waal interaction and ionic interaction [Option ID = 17574]
--- Content provided by FirstRanker.com ---
Correct Answer :-Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.
[Question ID = 4456]
1. 65 [Option ID = 17823]
--- Content provided by FirstRanker.com ---
2. 64 [Option ID = 17822]3. 63 [Option ID = 17821]
4. 66 [Option ID = 17824]
Correct Answer :-
64 [Option ID = 17822]
--- Content provided by FirstRanker.com ---
Enzymes accelerate a reaction by which one of the following strategies? [Question ID = 4414]1. Increasing the free energy difference between substrate and the product [Option ID = 17655]
2. Decreasing energy required to form the transition state [Option ID = 17653]
3. Increasing kinetic energy of the substrate [Option ID = 17654]
4. Changing the turn over number of enzymes [Option ID = 17656]
--- Content provided by FirstRanker.com ---
Correct Answer :-Decreasing energy required to form the transition state [Option ID = 17653]
Germ-plasm theory was given by [Question ID = 4368]
1. Charles Darwin [Option ID = 17471]
2. Walter Sutton [Option ID = 17470]
--- Content provided by FirstRanker.com ---
3. Gregor Mendel [Option ID = 17472]4. Weismann [Option ID = 17469]
35)
36)
37)
--- Content provided by FirstRanker.com ---
38)39)
40)
Correct Answer :-
Weismann [Option ID = 17469]
--- Content provided by FirstRanker.com ---
The following two organs are example of secondary lymphoid organs [Question ID = 4402]1. bone marrow and MALT [Option ID = 17608]
2. spleen and GALT [Option ID = 17607]
3. spleen and thymus [Option ID = 17605]
4. lymph nodes and thymus [Option ID = 17606]
--- Content provided by FirstRanker.com ---
Correct Answer :-spleen and GALT [Option ID = 17607]
In regard to animal development, the term pattern formation refers to
[Question ID = 4371]
1. The proteins produced by an individual cell [Option ID = 17481]
--- Content provided by FirstRanker.com ---
2. The process of differentiation of specific cell types [Option ID = 17483]3. The arrangement of digits in body of an organism [Option ID = 17482]
4. The stages of development through which an organism proceeds [Option ID = 17484]
Correct Answer :-
The arrangement of digits in body of an organism [Option ID = 17482]
--- Content provided by FirstRanker.com ---
Given below are some statements about prokaryotic and eukaryotic mobile genetic elements or transposon1. Most mobile elements in bacteria transpose via RNA intermediate
2. Most mobile genetic elements in bacteria are DNA
--- Content provided by FirstRanker.com ---
3. Mobile genetic elements in eukaryotes are only transposons
4. Both RNA and DNA transposons are found in eukaryotes
--- Content provided by FirstRanker.com ---
Choose the correct combination:[Question ID = 4390]
1. 2 & 4 [Option ID = 17560]
2. 2 & 3 [Option ID = 17558]
3. 1 & 3 [Option ID = 17557]
--- Content provided by FirstRanker.com ---
4. 1 & 4 [Option ID = 17559]Correct Answer :-
2 & 4 [Option ID = 17560]
The word opposite in meaning to the word ?verity? is [Question ID = 4451]
1. request [Option ID = 17803]
--- Content provided by FirstRanker.com ---
2. abandon [Option ID = 17804]3. lie [Option ID = 17801]
4. plead [Option ID = 17802]
Correct Answer :-
lie [Option ID = 17801]
--- Content provided by FirstRanker.com ---
The word closest in meaning to the word ?craven? is [Question ID = 4450]1. a bird [Option ID = 17797]
2. coward [Option ID = 17798]
3. brave [Option ID = 17799]
4. strong [Option ID = 17800]
--- Content provided by FirstRanker.com ---
Correct Answer :-coward [Option ID = 17798]
(1/2 + 1/3) / (1/4 - 1/6) is
[Question ID = 4448]
1. 5/72 [Option ID = 17789]
--- Content provided by FirstRanker.com ---
41)42)
43)
44)
45)
--- Content provided by FirstRanker.com ---
46)2. 10 [Option ID = 17790]
3. 12 [Option ID = 17792]
4. 11 [Option ID = 17791]
Correct Answer :-
--- Content provided by FirstRanker.com ---
10 [Option ID = 17790]A shirt was marked at Rs. 540=00. It was sold at 3/4 of the marked price. Find the sale price
[Question ID = 4449]
1. Rs. 400 [Option ID = 17793]
2. Rs. 410 [Option ID = 17795]
--- Content provided by FirstRanker.com ---
3. Rs. 415 [Option ID = 17796]4. Rs. 405 [Option ID = 17794]
Correct Answer :-
Rs. 405 [Option ID = 17794]
Artemesinin is a new drug for the treatment of [Question ID = 4424]
--- Content provided by FirstRanker.com ---
1. Malaria [Option ID = 17695]2. Hypercholesterolemia [Option ID = 17694]
3. Type II diabetes [Option ID = 17693]
4. Typhoid [Option ID = 17696]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Malaria [Option ID = 17695]Azidothymidine is used for the treatment of
[Question ID = 4426]
1. Tuberculosis [Option ID = 17702]
2. Genetic disorders [Option ID = 17703]
--- Content provided by FirstRanker.com ---
3. HIV [Option ID = 17701]4. None of these [Option ID = 17704]
Correct Answer :-
HIV [Option ID = 17701]
RNAi stands for
--- Content provided by FirstRanker.com ---
[Question ID = 4369]1. RNA intron [Option ID = 17475]
2. RNA impulse [Option ID = 17474]
3. RNA initiator [Option ID = 17473]
4. RNA interference [Option ID = 17476]
--- Content provided by FirstRanker.com ---
Correct Answer :-RNA interference [Option ID = 17476]
If X = 3
2
, what is the value of X
--- Content provided by FirstRanker.com ---
X[Question ID = 4454]
1. 3
4
[Option ID = 17813]
--- Content provided by FirstRanker.com ---
2. 312
[Option ID = 17815]
3. 3
8
--- Content provided by FirstRanker.com ---
[Option ID = 17814]4. 3
18
[Option ID = 17816]
Correct Answer :-
--- Content provided by FirstRanker.com ---
318
[Option ID = 17816]
2-amino propanoic acid is
47)
--- Content provided by FirstRanker.com ---
48)49)
50)
51)
[Question ID = 4387]
--- Content provided by FirstRanker.com ---
1. Glycine [Option ID = 17548]2. Leucine [Option ID = 17547]
3. Valine [Option ID = 17545]
4. Alanine [Option ID = 17546]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Alanine [Option ID = 17546]During denaturation of double?helical DNA,
[Question ID = 4389]
1. Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
2. Denaturation increases with decreasing temperature [Option ID = 17553]
--- Content provided by FirstRanker.com ---
3. G-C rich DNA melts at the same temperature as A-T rich DNA [Option ID = 17555]4. Once denatured, DNA strands cannot anneal [Option ID = 17556]
Correct Answer :-
Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
During apoptosis, the cell
--- Content provided by FirstRanker.com ---
[Question ID = 4380]1. all of the these [Option ID = 17520]
2. phosphatidylserine (PS) is flipped to outer side of membrane [Option ID = 17518]
3. releases of Cytochrome c from mitochondria [Option ID = 17519]
4. loses membrane asymmetry [Option ID = 17517]
--- Content provided by FirstRanker.com ---
Correct Answer :-all of the these [Option ID = 17520]
Injecting Maturation Promoting Factor (MPF) in S phase cell results in
[Question ID = 4393]
1. all cells move to G1 phase [Option ID = 17569]
--- Content provided by FirstRanker.com ---
2. all cells move to M phase [Option ID = 17571]3. all of these [Option ID = 17572]
4. all cell remain in S phase [Option ID = 17570]
Correct Answer :-
all cells move to M phase [Option ID = 17571]
--- Content provided by FirstRanker.com ---
Viral replication within the cells is inhibited by[Question ID = 4398]
1. IL-1 [Option ID = 17590]
2. IL-4 [Option ID = 17589]
3. IFN alpha [Option ID = 17591]
--- Content provided by FirstRanker.com ---
4. TNF alpha [Option ID = 17592]Correct Answer :-
IFN alpha [Option ID = 17591]
A researcher would like to monitor the level of protein in the blood serum. Which one of the following methods would be best suited
for the purpose?
--- Content provided by FirstRanker.com ---
[Question ID = 4409]1. Enzyme linked immunosorbent assay [Option ID = 17635]
2. Immunoflouroscence microscopy [Option ID = 17633]
3. Flourescence cell sorting [Option ID = 17636]
4. Fluorescence in-situ hybridization [Option ID = 17634]
--- Content provided by FirstRanker.com ---
52)53)
54)
55)
56)
--- Content provided by FirstRanker.com ---
57)Correct Answer :-
Enzyme linked immunosorbent assay [Option ID = 17635]
Catabolite repression refers to
[Question ID = 4365]
--- Content provided by FirstRanker.com ---
1. Inhibition of glucose utilization in the presence of lactose [Option ID = 17459]2. Inhibition of uptake and metabolism of lactose in the absence of glucose [Option ID = 17457]
3. Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
4. None of these [Option ID = 17460]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]Phthalates are components of [Question ID = 4422]
1. Aerosols [Option ID = 17686]
2. Hand sanitizers [Option ID = 17685]
3. Pigments extracted from natural products [Option ID = 17688]
--- Content provided by FirstRanker.com ---
4. Dyes [Option ID = 17687]Correct Answer :-
Hand sanitizers [Option ID = 17685]
Replicative senescence is due to
[Question ID = 4377]
--- Content provided by FirstRanker.com ---
1. DNA polymerization [Option ID = 17507]2. Telomerase activation [Option ID = 17506]
3. Shortening of telomere repeats [Option ID = 17505]
4. Active RNA Synthesis [Option ID = 17508]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Shortening of telomere repeats [Option ID = 17505]The product of the reaction of aniline with sodium nitrite and dilute HCl in ice yields [Question ID = 4428]
1. Nitrobenzene [Option ID = 17712]
2. Sodium nitrate [Option ID = 17709]
3. Nitric acid [Option ID = 17710]
--- Content provided by FirstRanker.com ---
4. Diazonium chloride [Option ID = 17711]Correct Answer :-
Diazonium chloride [Option ID = 17711]
[Question ID = 4455]
1. 400g [Option ID = 17819]
--- Content provided by FirstRanker.com ---
2. 200g [Option ID = 17817]3. 500g [Option ID = 17820]
4. 300g [Option ID = 17818]
Correct Answer :-
300g [Option ID = 17818]
--- Content provided by FirstRanker.com ---
[Question ID = 4453]1. 4 [Option ID = 17812]
58)
59)
60)
--- Content provided by FirstRanker.com ---
61)62)
63)
2. 2 [Option ID = 17810]
3. ?2 [Option ID = 17809]
--- Content provided by FirstRanker.com ---
4. 2?2 [Option ID = 17811]Correct Answer :-
2?2 [Option ID = 17811]
Iodine occurs naturally as
[Question ID = 4427]
--- Content provided by FirstRanker.com ---
1. a gas [Option ID = 17708]2. a solid which sublimes [Option ID = 17706]
3. a solid with a melting point of 80?C [Option ID = 17707]
4. a liquid [Option ID = 17705]
Correct Answer :-
--- Content provided by FirstRanker.com ---
a solid which sublimes [Option ID = 17706]Most members of bryophyte phylum Anthocerophyta are characterized by [Question ID = 4412]
1. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte without stomata. [Option ID = 17645]
2. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte with stomata. [Option ID = 17648]
3. gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]
--- Content provided by FirstRanker.com ---
4. gametophyte with multiple chloroplasts per cell and unicellular rhizoids; sporophyte without stomata. [Option ID = 17647]Correct Answer :-
gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]
G-Protein coupled receptors contain the following number of membrane spanning loops [Question ID = 4433]
1. 7 [Option ID = 17731]
--- Content provided by FirstRanker.com ---
2. 5 [Option ID = 17729]3. 8 [Option ID = 17732]
4. 6 [Option ID = 17730]
Correct Answer :-
7 [Option ID = 17731]
--- Content provided by FirstRanker.com ---
A gene expressing a 50 kDa protein from Eukaryote was cloned in E. coli plasmid under the lac promoter and operator. Upon additionof IPTG, the 50 kDa protein was not detected. Which one of the following explains the above observation?
[Question ID = 4416]
1. The cloned sequence lacked the Kozak sequence [Option ID = 17661]
2. E.coli does not make proteins larger than 40 kDa [Option ID = 17662]
--- Content provided by FirstRanker.com ---
3. Differences in codon preference [Option ID = 17663]4. 50 kDa protein contains a nuclear localization signal [Option ID = 17664]
Correct Answer :-
Differences in codon preference [Option ID = 17663]
The reaction of CH
--- Content provided by FirstRanker.com ---
3MgBr with acetaldehyde yields [Question ID = 4443]
1. isopropanol [Option ID = 17770]
2. n-propanol [Option ID = 17769]
3. isobutanol [Option ID = 17772]
--- Content provided by FirstRanker.com ---
4. n-butanol [Option ID = 17771]Correct Answer :-
isopropanol [Option ID = 17770]
The reaction of butadiene with ethene in the presence of heat is an example of [Question ID = 4445]
1. Cannizarro reaction [Option ID = 17780]
--- Content provided by FirstRanker.com ---
2. Claisen condensation [Option ID = 17779]3. Robinson?s annulations [Option ID = 17778]
4. Diels Alder reaction [Option ID = 17777]
64)
65)
--- Content provided by FirstRanker.com ---
66)67)
68)
69)
70)
--- Content provided by FirstRanker.com ---
Correct Answer :-Diels Alder reaction [Option ID = 17777]
The tallest tree in the world is [Question ID = 4452]
1. The Red Oak [Option ID = 17806]
2. The Banyan tree [Option ID = 17808]
--- Content provided by FirstRanker.com ---
3. The Neem tree [Option ID = 17807]4. The Eucalyptus tree [Option ID = 17805]
Correct Answer :-
Stored form of carbohydrate in sugarcane is [Question ID = 4410]
1. Sucrose [Option ID = 17638]
--- Content provided by FirstRanker.com ---
2. Glucose [Option ID = 17639]3. Starch [Option ID = 17637]
4. Maltose [Option ID = 17640]
Correct Answer :-
Sucrose [Option ID = 17638]
--- Content provided by FirstRanker.com ---
Bacteria exhibit a characteristic growth pattern. A phase during which the cells divide continually with a fixed time interval betweencell divisions, resulting in exponential growth is called [Question ID = 4370]
1. Lag phase [Option ID = 17477]
2. Stationary Phase [Option ID = 17479]
3. Log phase [Option ID = 17478]
--- Content provided by FirstRanker.com ---
4. Meta continual phase [Option ID = 17480]Correct Answer :-
Log phase [Option ID = 17478]
Nuclear receptor belong to which class of transcriptional factor
[Question ID = 4366]
--- Content provided by FirstRanker.com ---
1. Zn-finger proteins [Option ID = 17463]2. PAH-domain containing protein [Option ID = 17464]
3. Leucine Zipper proteins [Option ID = 17462]
4. Helix-loop-helix proteins [Option ID = 17461]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Zn-finger proteins [Option ID = 17463]SN1 reactions involve the formation of
[Question ID = 4432]
1. polymeric complexes [Option ID = 17728]
2. a cationic intermediate [Option ID = 17727]
--- Content provided by FirstRanker.com ---
3. 5-membered transition state [Option ID = 17725]4. a charge transfer complex [Option ID = 17726]
Correct Answer :-
a cationic intermediate [Option ID = 17727]
Initial depolarization of membrane potential begins with the [Question ID = 4382]
--- Content provided by FirstRanker.com ---
1. opening of sodium channel [Option ID = 17527]2. closing of sodium channel [Option ID = 17525]
3. closing of potassium channel [Option ID = 17528]
4. opening of potassium channel [Option ID = 17526]
Correct Answer :-
--- Content provided by FirstRanker.com ---
opening of sodium channel [Option ID = 17527]According to 2014 IUCN Red List, which of the following vertebrate class has the largest percentage of threatened species?
71)
72)
73)
--- Content provided by FirstRanker.com ---
74)75)
76)
[Question ID = 4413]
1. Amphibians [Option ID = 17652]
--- Content provided by FirstRanker.com ---
2. Reptiles [Option ID = 17651]3. Mammals [Option ID = 17649]
4. Birds [Option ID = 17650]
Correct Answer :-
Amphibians [Option ID = 17652]
--- Content provided by FirstRanker.com ---
Two component systems in bacteria consist of [Question ID = 4367]1. Two transcription factor that work together [Option ID = 17467]
2. Membrane protein and cell wall protein [Option ID = 17466]
3. A sensor kinase and a response regulator [Option ID = 17465]
4. Antibiotic resistance gene and a replication regulatory gene [Option ID = 17468]
--- Content provided by FirstRanker.com ---
Correct Answer :-A sensor kinase and a response regulator [Option ID = 17465]
HCl is a strong acid and NaOH a strong base. Assuming complete dissociation of each, what will be the pH of solution obtained by
adding 30 mL of 100 mM NaOH to 70 ml of 43 mM HCl?
[Question ID = 4384]
--- Content provided by FirstRanker.com ---
1. 7 [Option ID = 17535]2. 4 [Option ID = 17536]
3. 2 [Option ID = 17533]
4. 3 [Option ID = 17534]
Correct Answer :-
--- Content provided by FirstRanker.com ---
7 [Option ID = 17535]Primary lymphoid organs [Question ID = 4399]
1. are efficient in exposing T cells to foreign antigens [Option ID = 17593]
2. are the primary site of antibody synthesis and release [Option ID = 17594]
3. Filter blood and trap blood-borne antigens [Option ID = 17595]
--- Content provided by FirstRanker.com ---
4. provide the microenvironment for maturation of T and B cells [Option ID = 17596]Correct Answer :-
provide the microenvironment for maturation of T and B cells [Option ID = 17596]
Localized release of acetylcholine is triggered by [Question ID = 4383]
1. Opening of voltage gated Ca
--- Content provided by FirstRanker.com ---
2+channel [Option ID = 17529]
2. Closing of voltage gated Ca
2+
and Na
--- Content provided by FirstRanker.com ---
+channel [Option ID = 17531]
3. Opening of voltage gated Na
+
channel [Option ID = 17530]
--- Content provided by FirstRanker.com ---
4. Increased influx of Na+
[Option ID = 17532]
Correct Answer :-
Opening of voltage gated Ca
--- Content provided by FirstRanker.com ---
2+channel [Option ID = 17529]
Copying errors occurring during replication are corrected by the proof reading activity of DNA polymerases that recognizes incorrect
bases at
[Question ID = 4391]
--- Content provided by FirstRanker.com ---
1. 3? end of the growing chain, removes the incorrect base by 5?-3? exonuclease activity [Option ID = 17562]2. 3? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17563]
3. 5? end of the growing chain, removes the incorrect base by 5?-3? exonuclease activity [Option ID = 17561]
4. 5? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17564]
Correct Answer :-
--- Content provided by FirstRanker.com ---
3? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17563]CDK activation is dependent on
77)
78)
79)
--- Content provided by FirstRanker.com ---
80)81)
[Question ID = 4379]
1. All of the these [Option ID = 17516]
2. Cyclin [Option ID = 17513]
--- Content provided by FirstRanker.com ---
3. CAK [Option ID = 17515]4. Phosphorylation of T-loop [Option ID = 17514]
Correct Answer :-
All of the these [Option ID = 17516]
Barbiturates cannot be used as
--- Content provided by FirstRanker.com ---
[Question ID = 4425]1. Anti-convulsants [Option ID = 17697]
2. Anti-histamines [Option ID = 17700]
3. Sedatives [Option ID = 17699]
4. Hypnotics [Option ID = 17698]
--- Content provided by FirstRanker.com ---
Correct Answer :-Anti-histamines [Option ID = 17700]
In a population from a recently discovered island in the Indian ocean, most of the people were of blood group O. This indicates that
[Question ID = 4375]
1. This a case of pseudo-genes [Option ID = 17499]
--- Content provided by FirstRanker.com ---
2. This is a case of pseudo-dominance [Option ID = 17500]3. This is due to high rate of mutation [Option ID = 17498]
4. Blood group O is a truly dominant allele [Option ID = 17497]
Correct Answer :-
This is a case of pseudo-dominance [Option ID = 17500]
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Which form of DNA is found most commonly in biological systems?[Question ID = 4440]
1. Single stranded DNA [Option ID = 17760]
2. A-DNA [Option ID = 17757]
3. B-DNA [Option ID = 17758]
--- Content provided by FirstRanker.com ---
4. Z-DNA [Option ID = 17759]Correct Answer :-
B-DNA [Option ID = 17758]
Which cell undergoes more rigorous positive and negative selection during development?
[Question ID = 4406]
--- Content provided by FirstRanker.com ---
1. T cells are more rigorously selected than B cells [Option ID = 17622]2. B cells are more rigorously selected than T cells [Option ID = 17621]
3. Both undergo equal levels of selection [Option ID = 17623]
4. Neither cell undergoes any selection for optimum repertoire [Option ID = 17624]
Correct Answer :-
--- Content provided by FirstRanker.com ---
T cells are more rigorously selected than B cells [Option ID = 17622]Which one of the following would contribute to the intrinsic fluorescence of a protein?
[Question ID = 4417]
1. Charged amino acids [Option ID = 17667]
2. Aromatic amino acids [Option ID = 17665]
--- Content provided by FirstRanker.com ---
3. Branched chain amino acids [Option ID = 17668]4. Disulfide bonds [Option ID = 17666]
Correct Answer :-
82)
83)
--- Content provided by FirstRanker.com ---
84)85)
86)
87)
Aromatic amino acids [Option ID = 17665]
--- Content provided by FirstRanker.com ---
Which one of the following gases contributes to acid rain?[Question ID = 4430]
1. Nitrogen [Option ID = 17717]
2. Carbon dioxide [Option ID = 17719]
3. Sulphur dioxide [Option ID = 17718]
--- Content provided by FirstRanker.com ---
4. Oxygen [Option ID = 17720]Correct Answer :-
Sulphur dioxide [Option ID = 17718]
Which one of the following is not true for tumor suppressor proteins in the cells?
[Question ID = 4421]
--- Content provided by FirstRanker.com ---
1. They cause growth arrest [Option ID = 17681]2. They are anti-angiogenesis [Option ID = 17683]
3. They are anti-apoptotic [Option ID = 17684]
4. They regulate DNA repair [Option ID = 17682]
Correct Answer :-
--- Content provided by FirstRanker.com ---
They are anti-apoptotic [Option ID = 17684]Which one group of the following cells is not phagocytic in nature?
[Question ID = 4401]
1. T lymphocytes [Option ID = 17602]
2. Neutrophils [Option ID = 17601]
--- Content provided by FirstRanker.com ---
3. Macrophages [Option ID = 17603]4. Microglial cells [Option ID = 17604]
Correct Answer :-
T lymphocytes [Option ID = 17602]
Which of the following is correct regarding Reverse transcriptase and Telomerase?
--- Content provided by FirstRanker.com ---
[Question ID = 4378]1. Both require DNA template [Option ID = 17510]
2. Both require RNA template [Option ID = 17509]
3. Both have the ability to synthesize RNA [Option ID = 17511]
4. None of these [Option ID = 17512]
--- Content provided by FirstRanker.com ---
Correct Answer :-Both require RNA template [Option ID = 17509]
Which of the following is not true about capsules and slime layers in bacteria?
[Question ID = 4396]
1. They are required for bacteria to grow normally in culture [Option ID = 17583]
--- Content provided by FirstRanker.com ---
2. They can prevent dessication of bacterial cells [Option ID = 17582]3. They help bacteria resist phagocytosis by macrophages [Option ID = 17584]
4. They consist of secreted material, capsules and slime layer [Option ID = 17581]
Correct Answer :-
They are required for bacteria to grow normally in culture [Option ID = 17583]
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Which of the following is the source of electrons during photosynthesis?[Question ID = 4385]
1. H
2
O [Option ID = 17537]
--- Content provided by FirstRanker.com ---
FirstRanker.com - FirstRanker's Choice1)
2)
3)
4)
--- Content provided by FirstRanker.com ---
5)DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
PH
Topic:- DU_J18_MSC_BIOSCI_Topic01
100 microns equals
--- Content provided by FirstRanker.com ---
[Question ID = 4436]1. 10
-6
m [Option ID = 17741]
2. 10
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-4m [Option ID = 17743]
3. 10
-7
m [Option ID = 17744]
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4. 10-5
m [Option ID = 17742]
Correct Answer :-
10
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-4m [Option ID = 17743]
100 Angstroms equals
[Question ID = 4435]
1. 10
--- Content provided by FirstRanker.com ---
-10m [Option ID = 17739]
2. 10
-9
m [Option ID = 17737]
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3. 10-8
m [Option ID = 17738]
4. 10
-12
--- Content provided by FirstRanker.com ---
m [Option ID = 17740]Correct Answer :-
10
-8
m [Option ID = 17738]
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The fingerprint region is a part of[Question ID = 4437]
1. Proton NMR spectrum [Option ID = 17745]
2. Infrared spectrum [Option ID = 17748]
3. C
--- Content provided by FirstRanker.com ---
13NMR spectrum [Option ID = 17747]
4. UV-Visible spectrum [Option ID = 17746]
Correct Answer :-
Infrared spectrum [Option ID = 17748]
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The first nucleotide polymerizing enzyme discovered was[Question ID = 4374]
1. DNA polymerase [Option ID = 17494]
2. DNA primase [Option ID = 17495]
3. Taq polymerase [Option ID = 17493]
--- Content provided by FirstRanker.com ---
4. none of these [Option ID = 17496]Correct Answer :-
DNA polymerase [Option ID = 17494]
The pH of a 0.001 M solution of HCl is
[Question ID = 4423]
--- Content provided by FirstRanker.com ---
1. 0.001 [Option ID = 17692]2. 2 [Option ID = 17690]
3. 1 [Option ID = 17689]
4. 3 [Option ID = 17691]
6)
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7)8)
9)
10)
11)
--- Content provided by FirstRanker.com ---
Correct Answer :-3 [Option ID = 17691]
The photosynthetic assimilation of atmospheric CO
2
by leaves yield sucrose and starch as end products of two gluconeogenic pathways
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that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of theprocess?
[Question ID = 4411]
1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]
2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
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3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
Correct Answer :-
Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
The excess oxygen consumed after a vigorous exercise help
--- Content provided by FirstRanker.com ---
[Question ID = 4419]1. to pump out lactic acid from muscles [Option ID = 17673]
2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]
3. to increase the concentration of lactic acid in muscles [Option ID = 17674]
4. to make ATP for gluconeogenesis [Option ID = 17676]
--- Content provided by FirstRanker.com ---
Correct Answer :-to make ATP for gluconeogenesis [Option ID = 17676]
The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be
[Question ID = 4388]
1. 227 Da [Option ID = 17550]
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2. 110 Da [Option ID = 17551]3. 436 Da [Option ID = 17549]
4. 350 Da [Option ID = 17552]
Correct Answer :-
436 Da [Option ID = 17549]
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The genetic distance between two genes can be different from the physical distance between them is[Question ID = 4372]
1. impossible [Option ID = 17485]
2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]
3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
--- Content provided by FirstRanker.com ---
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]Correct Answer :-
possible because genetic distance is relative unlike physical distance [Option ID = 17487]
The enzyme carboxypeptidase contains
[Question ID = 4438]
--- Content provided by FirstRanker.com ---
1. Zinc ion [Option ID = 17751]2. Iron ion [Option ID = 17750]
3. Cobalt ion [Option ID = 17752]
4. Calcium ion [Option ID = 17749]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Zinc ion [Option ID = 17751]The coenzyme TPP is derived from the vitamin
12)
13)
14)
--- Content provided by FirstRanker.com ---
15)16)
[Question ID = 4441]
1. Tetrahydrofolate [Option ID = 17763]
2. Thymine [Option ID = 17761]
--- Content provided by FirstRanker.com ---
3. Biotin [Option ID = 17764]4. Ascorbic acid [Option ID = 17762]
Correct Answer :-
The predominant form of Immunoglobulin present at mucosal sites is
[Question ID = 4405]
--- Content provided by FirstRanker.com ---
1. IgG [Option ID = 17618]2. IgD [Option ID = 17619]
3. IgM [Option ID = 17620]
4. IgA [Option ID = 17617]
Correct Answer :-
--- Content provided by FirstRanker.com ---
IgA [Option ID = 17617]Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygen
deficient environments will be compromised if their
[Question ID = 4418]
1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
--- Content provided by FirstRanker.com ---
2. thickness remains unchanged, but their length increases. [Option ID = 17670]3. thickness remains unchanged, but their width decreases. [Option ID = 17671]
4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]
Correct Answer :-
thickness increases, and the rest of the size remains the same. [Option ID = 17669]
--- Content provided by FirstRanker.com ---
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes likewound healing, bone development and others, which one of the following type of enzymes is most important?
[Question ID = 4392]
1. Proteases [Option ID = 17566]
2. Amylase [Option ID = 17567]
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3. Peptidase [Option ID = 17565]4. Lipases [Option ID = 17568]
Correct Answer :-
Proteases [Option ID = 17566]
DNA tangling during replication is prevented by
--- Content provided by FirstRanker.com ---
[Question ID = 4376]1. DNA ligase [Option ID = 17502]
2. DNA helicase [Option ID = 17501]
3. DNA topoisomerase [Option ID = 17503]
4. All of these [Option ID = 17504]
--- Content provided by FirstRanker.com ---
Correct Answer :-DNA topoisomerase [Option ID = 17503]
Glutaric acid contains [Question ID = 4429]
1. 5 carbon atoms [Option ID = 17713]
2. 4 carbon atoms [Option ID = 17716]
--- Content provided by FirstRanker.com ---
3. 2 carbon atoms [Option ID = 17714]4. 3 carbon atoms [Option ID = 17715]
Correct Answer :-
5 carbon atoms [Option ID = 17713]
17)
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18)19)
20)
21)
22)
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Geometric isomers are[Question ID = 4442]
1. position isomers [Option ID = 17767]
2. rarely found [Option ID = 17768]
3. configurational isomers [Option ID = 17765]
--- Content provided by FirstRanker.com ---
4. conformational isomers [Option ID = 17766]Correct Answer :-
configurational isomers [Option ID = 17765]
Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves
[Question ID = 4420]
--- Content provided by FirstRanker.com ---
1. A polymerase coded by the host [Option ID = 17678]2. A polymerase coded by the virus itself [Option ID = 17677]
3. Host RNA polymerase [Option ID = 17679]
4. Unknown mechanism [Option ID = 17680]
Correct Answer :-
--- Content provided by FirstRanker.com ---
A polymerase coded by the virus itself [Option ID = 17677]Caprolactam is a monomer used to produce
[Question ID = 4431]
1. Starch [Option ID = 17722]
2. Cellulose [Option ID = 17721]
--- Content provided by FirstRanker.com ---
3. Glycogen [Option ID = 17723]4. Nylon [Option ID = 17724]
Correct Answer :-
Nylon [Option ID = 17724]
Tetracycline blocks protein synthesis by
--- Content provided by FirstRanker.com ---
[Question ID = 4364]1. Inhibiting translocase enzyme [Option ID = 17456]
2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]
3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]
4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
--- Content provided by FirstRanker.com ---
Correct Answer :-Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Hematopoietic stem cells are pluripotent, which means that they are
[Question ID = 4400]
1. capable of developing into any type of blood cells [Option ID = 17598]
--- Content provided by FirstRanker.com ---
2. committed to produce cells of a single lineage [Option ID = 17599]3. not self renewal [Option ID = 17600]
4. antigen specific cells [Option ID = 17597]
Correct Answer :-
capable of developing into any type of blood cells [Option ID = 17598]
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Alveolar cells of the lung arise from which one of the following layers?[Question ID = 4415]
1. Endoderm [Option ID = 17658]
2. Mesoderm [Option ID = 17657]
3. Both ectoderm and endoderm [Option ID = 17660]
--- Content provided by FirstRanker.com ---
4. Ectoderm [Option ID = 17659]23)
24)
25)
26)
--- Content provided by FirstRanker.com ---
27)28)
Correct Answer :-
Endoderm [Option ID = 17658]
A Th2 cell does not produce
--- Content provided by FirstRanker.com ---
[Question ID = 4404]1. Interleukin-10 [Option ID = 17615]
2. Interleukin-4 [Option ID = 17614]
3. Interferon gamma [Option ID = 17613]
4. Interleuine-5 [Option ID = 17616]
--- Content provided by FirstRanker.com ---
Correct Answer :-Interferon gamma [Option ID = 17613]
Xenon hexafluoride is a
[Question ID = 4439]
1. Tetrahedral molecule [Option ID = 17753]
--- Content provided by FirstRanker.com ---
2. Square planar molecule [Option ID = 17754]3. Octahedral molecule [Option ID = 17755]
4. Planar molecule [Option ID = 17756]
Correct Answer :-
Octahedral molecule [Option ID = 17755]
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Na+
dependent carrier exchanger regulates cytosolic pH
[Question ID = 4381]
1. Na
--- Content provided by FirstRanker.com ---
+/ Glucose symport [Option ID = 17524]
2. Na
+
/ K
--- Content provided by FirstRanker.com ---
+exchanger [Option ID = 17523]
3. Na
+
/ H
--- Content provided by FirstRanker.com ---
+antiport [Option ID = 17522]
4. Na
+
/ H
--- Content provided by FirstRanker.com ---
+symport [Option ID = 17521]
Correct Answer :-
Na
+
--- Content provided by FirstRanker.com ---
/ H+
antiport [Option ID = 17522]
Thermolysin is
[Question ID = 4447]
--- Content provided by FirstRanker.com ---
1. a vitamin [Option ID = 17788]2. a carbohydrate [Option ID = 17787]
3. an exopeptidase [Option ID = 17785]
4. an endopeptidase [Option ID = 17786]
Correct Answer :-
--- Content provided by FirstRanker.com ---
an endopeptidase [Option ID = 17786]During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]
1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]
2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]
3. Binding of ribosome subunit to mRNA [Option ID = 17451]
--- Content provided by FirstRanker.com ---
4. Transfer of phosphate group [Option ID = 17452]Correct Answer :-
Formation of peptide bond between adjacent amino acids [Option ID = 17450]
cis- and trans-butadiene are
[Question ID = 4444]
--- Content provided by FirstRanker.com ---
1. geometric isomers [Option ID = 17773]2. position isomers [Option ID = 17775]
29)
30)
31)
--- Content provided by FirstRanker.com ---
32)33)
34)
3. not isomers [Option ID = 17776]
4. conformational isomers [Option ID = 17774]
--- Content provided by FirstRanker.com ---
Correct Answer :-geometric isomers [Option ID = 17773]
In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalently
linked by
[Question ID = 4395]
--- Content provided by FirstRanker.com ---
1. beta-1, 6-glycosidic bond [Option ID = 17578]2. beta-1, 4-glycosidic bond [Option ID = 17580]
3. alpha-1, 6-glycosidic bond [Option ID = 17579]
4. alpha-1, 4-glycosidic bond [Option ID = 17577]
Correct Answer :-
--- Content provided by FirstRanker.com ---
beta-1, 4-glycosidic bond [Option ID = 17580]Bacterial flagella imparts motility to the cell by
[Question ID = 4397]
1. gliding movement [Option ID = 17587]
2. rotatory movement [Option ID = 17586]
--- Content provided by FirstRanker.com ---
3. undulating movement [Option ID = 17585]4. both undulating movement & rotatory movement [Option ID = 17588]
Correct Answer :-
rotatory movement [Option ID = 17586]
The Predominant interactions between phospholipids that stabilize a biological membrane include [Question ID = 4394]
--- Content provided by FirstRanker.com ---
1. Hydrophobic interaction and hydrogen bonding [Option ID = 17575]2. Covalent and hydrophobic interaction [Option ID = 17576]
3. Hydrogen bonds and covalent interaction [Option ID = 17573]
4. Vander Waal interaction and ionic interaction [Option ID = 17574]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Hydrophobic interaction and hydrogen bonding [Option ID = 17575]5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.
[Question ID = 4456]
1. 65 [Option ID = 17823]
2. 64 [Option ID = 17822]
--- Content provided by FirstRanker.com ---
3. 63 [Option ID = 17821]4. 66 [Option ID = 17824]
Correct Answer :-
64 [Option ID = 17822]
Enzymes accelerate a reaction by which one of the following strategies? [Question ID = 4414]
--- Content provided by FirstRanker.com ---
1. Increasing the free energy difference between substrate and the product [Option ID = 17655]2. Decreasing energy required to form the transition state [Option ID = 17653]
3. Increasing kinetic energy of the substrate [Option ID = 17654]
4. Changing the turn over number of enzymes [Option ID = 17656]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Decreasing energy required to form the transition state [Option ID = 17653]Germ-plasm theory was given by [Question ID = 4368]
1. Charles Darwin [Option ID = 17471]
2. Walter Sutton [Option ID = 17470]
3. Gregor Mendel [Option ID = 17472]
--- Content provided by FirstRanker.com ---
4. Weismann [Option ID = 17469]35)
36)
37)
38)
--- Content provided by FirstRanker.com ---
39)40)
Correct Answer :-
Weismann [Option ID = 17469]
The following two organs are example of secondary lymphoid organs [Question ID = 4402]
--- Content provided by FirstRanker.com ---
1. bone marrow and MALT [Option ID = 17608]2. spleen and GALT [Option ID = 17607]
3. spleen and thymus [Option ID = 17605]
4. lymph nodes and thymus [Option ID = 17606]
Correct Answer :-
--- Content provided by FirstRanker.com ---
spleen and GALT [Option ID = 17607]In regard to animal development, the term pattern formation refers to
[Question ID = 4371]
1. The proteins produced by an individual cell [Option ID = 17481]
2. The process of differentiation of specific cell types [Option ID = 17483]
--- Content provided by FirstRanker.com ---
3. The arrangement of digits in body of an organism [Option ID = 17482]4. The stages of development through which an organism proceeds [Option ID = 17484]
Correct Answer :-
The arrangement of digits in body of an organism [Option ID = 17482]
Given below are some statements about prokaryotic and eukaryotic mobile genetic elements or transposon
--- Content provided by FirstRanker.com ---
1. Most mobile elements in bacteria transpose via RNA intermediate
2. Most mobile genetic elements in bacteria are DNA
--- Content provided by FirstRanker.com ---
3. Mobile genetic elements in eukaryotes are only transposons4. Both RNA and DNA transposons are found in eukaryotes
Choose the correct combination:
--- Content provided by FirstRanker.com ---
[Question ID = 4390]1. 2 & 4 [Option ID = 17560]
2. 2 & 3 [Option ID = 17558]
3. 1 & 3 [Option ID = 17557]
4. 1 & 4 [Option ID = 17559]
--- Content provided by FirstRanker.com ---
Correct Answer :-2 & 4 [Option ID = 17560]
The word opposite in meaning to the word ?verity? is [Question ID = 4451]
1. request [Option ID = 17803]
2. abandon [Option ID = 17804]
--- Content provided by FirstRanker.com ---
3. lie [Option ID = 17801]4. plead [Option ID = 17802]
Correct Answer :-
lie [Option ID = 17801]
The word closest in meaning to the word ?craven? is [Question ID = 4450]
--- Content provided by FirstRanker.com ---
1. a bird [Option ID = 17797]2. coward [Option ID = 17798]
3. brave [Option ID = 17799]
4. strong [Option ID = 17800]
Correct Answer :-
--- Content provided by FirstRanker.com ---
coward [Option ID = 17798](1/2 + 1/3) / (1/4 - 1/6) is
[Question ID = 4448]
1. 5/72 [Option ID = 17789]
41)
--- Content provided by FirstRanker.com ---
42)43)
44)
45)
46)
--- Content provided by FirstRanker.com ---
2. 10 [Option ID = 17790]3. 12 [Option ID = 17792]
4. 11 [Option ID = 17791]
Correct Answer :-
10 [Option ID = 17790]
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A shirt was marked at Rs. 540=00. It was sold at 3/4 of the marked price. Find the sale price[Question ID = 4449]
1. Rs. 400 [Option ID = 17793]
2. Rs. 410 [Option ID = 17795]
3. Rs. 415 [Option ID = 17796]
--- Content provided by FirstRanker.com ---
4. Rs. 405 [Option ID = 17794]Correct Answer :-
Rs. 405 [Option ID = 17794]
Artemesinin is a new drug for the treatment of [Question ID = 4424]
1. Malaria [Option ID = 17695]
--- Content provided by FirstRanker.com ---
2. Hypercholesterolemia [Option ID = 17694]3. Type II diabetes [Option ID = 17693]
4. Typhoid [Option ID = 17696]
Correct Answer :-
Malaria [Option ID = 17695]
--- Content provided by FirstRanker.com ---
Azidothymidine is used for the treatment of[Question ID = 4426]
1. Tuberculosis [Option ID = 17702]
2. Genetic disorders [Option ID = 17703]
3. HIV [Option ID = 17701]
--- Content provided by FirstRanker.com ---
4. None of these [Option ID = 17704]Correct Answer :-
HIV [Option ID = 17701]
RNAi stands for
[Question ID = 4369]
--- Content provided by FirstRanker.com ---
1. RNA intron [Option ID = 17475]2. RNA impulse [Option ID = 17474]
3. RNA initiator [Option ID = 17473]
4. RNA interference [Option ID = 17476]
Correct Answer :-
--- Content provided by FirstRanker.com ---
RNA interference [Option ID = 17476]If X = 3
2
, what is the value of X
X
--- Content provided by FirstRanker.com ---
[Question ID = 4454]1. 3
4
[Option ID = 17813]
2. 3
--- Content provided by FirstRanker.com ---
12[Option ID = 17815]
3. 3
8
[Option ID = 17814]
--- Content provided by FirstRanker.com ---
4. 318
[Option ID = 17816]
Correct Answer :-
3
--- Content provided by FirstRanker.com ---
18[Option ID = 17816]
2-amino propanoic acid is
47)
48)
--- Content provided by FirstRanker.com ---
49)50)
51)
[Question ID = 4387]
1. Glycine [Option ID = 17548]
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2. Leucine [Option ID = 17547]3. Valine [Option ID = 17545]
4. Alanine [Option ID = 17546]
Correct Answer :-
Alanine [Option ID = 17546]
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During denaturation of double?helical DNA,[Question ID = 4389]
1. Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
2. Denaturation increases with decreasing temperature [Option ID = 17553]
3. G-C rich DNA melts at the same temperature as A-T rich DNA [Option ID = 17555]
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4. Once denatured, DNA strands cannot anneal [Option ID = 17556]Correct Answer :-
Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
During apoptosis, the cell
[Question ID = 4380]
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1. all of the these [Option ID = 17520]2. phosphatidylserine (PS) is flipped to outer side of membrane [Option ID = 17518]
3. releases of Cytochrome c from mitochondria [Option ID = 17519]
4. loses membrane asymmetry [Option ID = 17517]
Correct Answer :-
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all of the these [Option ID = 17520]Injecting Maturation Promoting Factor (MPF) in S phase cell results in
[Question ID = 4393]
1. all cells move to G1 phase [Option ID = 17569]
2. all cells move to M phase [Option ID = 17571]
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3. all of these [Option ID = 17572]4. all cell remain in S phase [Option ID = 17570]
Correct Answer :-
all cells move to M phase [Option ID = 17571]
Viral replication within the cells is inhibited by
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[Question ID = 4398]1. IL-1 [Option ID = 17590]
2. IL-4 [Option ID = 17589]
3. IFN alpha [Option ID = 17591]
4. TNF alpha [Option ID = 17592]
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Correct Answer :-IFN alpha [Option ID = 17591]
A researcher would like to monitor the level of protein in the blood serum. Which one of the following methods would be best suited
for the purpose?
[Question ID = 4409]
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1. Enzyme linked immunosorbent assay [Option ID = 17635]2. Immunoflouroscence microscopy [Option ID = 17633]
3. Flourescence cell sorting [Option ID = 17636]
4. Fluorescence in-situ hybridization [Option ID = 17634]
52)
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53)54)
55)
56)
57)
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Correct Answer :-Enzyme linked immunosorbent assay [Option ID = 17635]
Catabolite repression refers to
[Question ID = 4365]
1. Inhibition of glucose utilization in the presence of lactose [Option ID = 17459]
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2. Inhibition of uptake and metabolism of lactose in the absence of glucose [Option ID = 17457]3. Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
4. None of these [Option ID = 17460]
Correct Answer :-
Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
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Phthalates are components of [Question ID = 4422]1. Aerosols [Option ID = 17686]
2. Hand sanitizers [Option ID = 17685]
3. Pigments extracted from natural products [Option ID = 17688]
4. Dyes [Option ID = 17687]
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Correct Answer :-Hand sanitizers [Option ID = 17685]
Replicative senescence is due to
[Question ID = 4377]
1. DNA polymerization [Option ID = 17507]
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2. Telomerase activation [Option ID = 17506]3. Shortening of telomere repeats [Option ID = 17505]
4. Active RNA Synthesis [Option ID = 17508]
Correct Answer :-
Shortening of telomere repeats [Option ID = 17505]
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The product of the reaction of aniline with sodium nitrite and dilute HCl in ice yields [Question ID = 4428]1. Nitrobenzene [Option ID = 17712]
2. Sodium nitrate [Option ID = 17709]
3. Nitric acid [Option ID = 17710]
4. Diazonium chloride [Option ID = 17711]
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Correct Answer :-Diazonium chloride [Option ID = 17711]
[Question ID = 4455]
1. 400g [Option ID = 17819]
2. 200g [Option ID = 17817]
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3. 500g [Option ID = 17820]4. 300g [Option ID = 17818]
Correct Answer :-
300g [Option ID = 17818]
[Question ID = 4453]
--- Content provided by FirstRanker.com ---
1. 4 [Option ID = 17812]58)
59)
60)
61)
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62)63)
2. 2 [Option ID = 17810]
3. ?2 [Option ID = 17809]
4. 2?2 [Option ID = 17811]
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Correct Answer :-2?2 [Option ID = 17811]
Iodine occurs naturally as
[Question ID = 4427]
1. a gas [Option ID = 17708]
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2. a solid which sublimes [Option ID = 17706]3. a solid with a melting point of 80?C [Option ID = 17707]
4. a liquid [Option ID = 17705]
Correct Answer :-
a solid which sublimes [Option ID = 17706]
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Most members of bryophyte phylum Anthocerophyta are characterized by [Question ID = 4412]1. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte without stomata. [Option ID = 17645]
2. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte with stomata. [Option ID = 17648]
3. gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]
4. gametophyte with multiple chloroplasts per cell and unicellular rhizoids; sporophyte without stomata. [Option ID = 17647]
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Correct Answer :-gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]
G-Protein coupled receptors contain the following number of membrane spanning loops [Question ID = 4433]
1. 7 [Option ID = 17731]
2. 5 [Option ID = 17729]
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3. 8 [Option ID = 17732]4. 6 [Option ID = 17730]
Correct Answer :-
7 [Option ID = 17731]
A gene expressing a 50 kDa protein from Eukaryote was cloned in E. coli plasmid under the lac promoter and operator. Upon addition
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of IPTG, the 50 kDa protein was not detected. Which one of the following explains the above observation?[Question ID = 4416]
1. The cloned sequence lacked the Kozak sequence [Option ID = 17661]
2. E.coli does not make proteins larger than 40 kDa [Option ID = 17662]
3. Differences in codon preference [Option ID = 17663]
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4. 50 kDa protein contains a nuclear localization signal [Option ID = 17664]Correct Answer :-
Differences in codon preference [Option ID = 17663]
The reaction of CH
3
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MgBr with acetaldehyde yields [Question ID = 4443]1. isopropanol [Option ID = 17770]
2. n-propanol [Option ID = 17769]
3. isobutanol [Option ID = 17772]
4. n-butanol [Option ID = 17771]
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Correct Answer :-isopropanol [Option ID = 17770]
The reaction of butadiene with ethene in the presence of heat is an example of [Question ID = 4445]
1. Cannizarro reaction [Option ID = 17780]
2. Claisen condensation [Option ID = 17779]
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3. Robinson?s annulations [Option ID = 17778]4. Diels Alder reaction [Option ID = 17777]
64)
65)
66)
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67)68)
69)
70)
Correct Answer :-
--- Content provided by FirstRanker.com ---
Diels Alder reaction [Option ID = 17777]The tallest tree in the world is [Question ID = 4452]
1. The Red Oak [Option ID = 17806]
2. The Banyan tree [Option ID = 17808]
3. The Neem tree [Option ID = 17807]
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4. The Eucalyptus tree [Option ID = 17805]Correct Answer :-
Stored form of carbohydrate in sugarcane is [Question ID = 4410]
1. Sucrose [Option ID = 17638]
2. Glucose [Option ID = 17639]
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3. Starch [Option ID = 17637]4. Maltose [Option ID = 17640]
Correct Answer :-
Sucrose [Option ID = 17638]
Bacteria exhibit a characteristic growth pattern. A phase during which the cells divide continually with a fixed time interval between
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cell divisions, resulting in exponential growth is called [Question ID = 4370]1. Lag phase [Option ID = 17477]
2. Stationary Phase [Option ID = 17479]
3. Log phase [Option ID = 17478]
4. Meta continual phase [Option ID = 17480]
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Correct Answer :-Log phase [Option ID = 17478]
Nuclear receptor belong to which class of transcriptional factor
[Question ID = 4366]
1. Zn-finger proteins [Option ID = 17463]
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2. PAH-domain containing protein [Option ID = 17464]3. Leucine Zipper proteins [Option ID = 17462]
4. Helix-loop-helix proteins [Option ID = 17461]
Correct Answer :-
Zn-finger proteins [Option ID = 17463]
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SN1 reactions involve the formation of[Question ID = 4432]
1. polymeric complexes [Option ID = 17728]
2. a cationic intermediate [Option ID = 17727]
3. 5-membered transition state [Option ID = 17725]
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4. a charge transfer complex [Option ID = 17726]Correct Answer :-
a cationic intermediate [Option ID = 17727]
Initial depolarization of membrane potential begins with the [Question ID = 4382]
1. opening of sodium channel [Option ID = 17527]
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2. closing of sodium channel [Option ID = 17525]3. closing of potassium channel [Option ID = 17528]
4. opening of potassium channel [Option ID = 17526]
Correct Answer :-
opening of sodium channel [Option ID = 17527]
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According to 2014 IUCN Red List, which of the following vertebrate class has the largest percentage of threatened species?71)
72)
73)
74)
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75)76)
[Question ID = 4413]
1. Amphibians [Option ID = 17652]
2. Reptiles [Option ID = 17651]
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3. Mammals [Option ID = 17649]4. Birds [Option ID = 17650]
Correct Answer :-
Amphibians [Option ID = 17652]
Two component systems in bacteria consist of [Question ID = 4367]
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1. Two transcription factor that work together [Option ID = 17467]2. Membrane protein and cell wall protein [Option ID = 17466]
3. A sensor kinase and a response regulator [Option ID = 17465]
4. Antibiotic resistance gene and a replication regulatory gene [Option ID = 17468]
Correct Answer :-
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A sensor kinase and a response regulator [Option ID = 17465]HCl is a strong acid and NaOH a strong base. Assuming complete dissociation of each, what will be the pH of solution obtained by
adding 30 mL of 100 mM NaOH to 70 ml of 43 mM HCl?
[Question ID = 4384]
1. 7 [Option ID = 17535]
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2. 4 [Option ID = 17536]3. 2 [Option ID = 17533]
4. 3 [Option ID = 17534]
Correct Answer :-
7 [Option ID = 17535]
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Primary lymphoid organs [Question ID = 4399]1. are efficient in exposing T cells to foreign antigens [Option ID = 17593]
2. are the primary site of antibody synthesis and release [Option ID = 17594]
3. Filter blood and trap blood-borne antigens [Option ID = 17595]
4. provide the microenvironment for maturation of T and B cells [Option ID = 17596]
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Correct Answer :-provide the microenvironment for maturation of T and B cells [Option ID = 17596]
Localized release of acetylcholine is triggered by [Question ID = 4383]
1. Opening of voltage gated Ca
2+
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channel [Option ID = 17529]2. Closing of voltage gated Ca
2+
and Na
+
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channel [Option ID = 17531]3. Opening of voltage gated Na
+
channel [Option ID = 17530]
4. Increased influx of Na
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+[Option ID = 17532]
Correct Answer :-
Opening of voltage gated Ca
2+
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channel [Option ID = 17529]Copying errors occurring during replication are corrected by the proof reading activity of DNA polymerases that recognizes incorrect
bases at
[Question ID = 4391]
1. 3? end of the growing chain, removes the incorrect base by 5?-3? exonuclease activity [Option ID = 17562]
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2. 3? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17563]3. 5? end of the growing chain, removes the incorrect base by 5?-3? exonuclease activity [Option ID = 17561]
4. 5? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17564]
Correct Answer :-
3? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17563]
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CDK activation is dependent on77)
78)
79)
80)
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81)[Question ID = 4379]
1. All of the these [Option ID = 17516]
2. Cyclin [Option ID = 17513]
3. CAK [Option ID = 17515]
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4. Phosphorylation of T-loop [Option ID = 17514]Correct Answer :-
All of the these [Option ID = 17516]
Barbiturates cannot be used as
[Question ID = 4425]
--- Content provided by FirstRanker.com ---
1. Anti-convulsants [Option ID = 17697]2. Anti-histamines [Option ID = 17700]
3. Sedatives [Option ID = 17699]
4. Hypnotics [Option ID = 17698]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Anti-histamines [Option ID = 17700]In a population from a recently discovered island in the Indian ocean, most of the people were of blood group O. This indicates that
[Question ID = 4375]
1. This a case of pseudo-genes [Option ID = 17499]
2. This is a case of pseudo-dominance [Option ID = 17500]
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3. This is due to high rate of mutation [Option ID = 17498]4. Blood group O is a truly dominant allele [Option ID = 17497]
Correct Answer :-
This is a case of pseudo-dominance [Option ID = 17500]
Which form of DNA is found most commonly in biological systems?
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[Question ID = 4440]1. Single stranded DNA [Option ID = 17760]
2. A-DNA [Option ID = 17757]
3. B-DNA [Option ID = 17758]
4. Z-DNA [Option ID = 17759]
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Correct Answer :-B-DNA [Option ID = 17758]
Which cell undergoes more rigorous positive and negative selection during development?
[Question ID = 4406]
1. T cells are more rigorously selected than B cells [Option ID = 17622]
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2. B cells are more rigorously selected than T cells [Option ID = 17621]3. Both undergo equal levels of selection [Option ID = 17623]
4. Neither cell undergoes any selection for optimum repertoire [Option ID = 17624]
Correct Answer :-
T cells are more rigorously selected than B cells [Option ID = 17622]
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Which one of the following would contribute to the intrinsic fluorescence of a protein?[Question ID = 4417]
1. Charged amino acids [Option ID = 17667]
2. Aromatic amino acids [Option ID = 17665]
3. Branched chain amino acids [Option ID = 17668]
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4. Disulfide bonds [Option ID = 17666]Correct Answer :-
82)
83)
84)
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85)86)
87)
Aromatic amino acids [Option ID = 17665]
Which one of the following gases contributes to acid rain?
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[Question ID = 4430]1. Nitrogen [Option ID = 17717]
2. Carbon dioxide [Option ID = 17719]
3. Sulphur dioxide [Option ID = 17718]
4. Oxygen [Option ID = 17720]
--- Content provided by FirstRanker.com ---
Correct Answer :-Sulphur dioxide [Option ID = 17718]
Which one of the following is not true for tumor suppressor proteins in the cells?
[Question ID = 4421]
1. They cause growth arrest [Option ID = 17681]
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2. They are anti-angiogenesis [Option ID = 17683]3. They are anti-apoptotic [Option ID = 17684]
4. They regulate DNA repair [Option ID = 17682]
Correct Answer :-
They are anti-apoptotic [Option ID = 17684]
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Which one group of the following cells is not phagocytic in nature?[Question ID = 4401]
1. T lymphocytes [Option ID = 17602]
2. Neutrophils [Option ID = 17601]
3. Macrophages [Option ID = 17603]
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4. Microglial cells [Option ID = 17604]Correct Answer :-
T lymphocytes [Option ID = 17602]
Which of the following is correct regarding Reverse transcriptase and Telomerase?
[Question ID = 4378]
--- Content provided by FirstRanker.com ---
1. Both require DNA template [Option ID = 17510]2. Both require RNA template [Option ID = 17509]
3. Both have the ability to synthesize RNA [Option ID = 17511]
4. None of these [Option ID = 17512]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Both require RNA template [Option ID = 17509]Which of the following is not true about capsules and slime layers in bacteria?
[Question ID = 4396]
1. They are required for bacteria to grow normally in culture [Option ID = 17583]
2. They can prevent dessication of bacterial cells [Option ID = 17582]
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3. They help bacteria resist phagocytosis by macrophages [Option ID = 17584]4. They consist of secreted material, capsules and slime layer [Option ID = 17581]
Correct Answer :-
They are required for bacteria to grow normally in culture [Option ID = 17583]
Which of the following is the source of electrons during photosynthesis?
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[Question ID = 4385]1. H
2
O [Option ID = 17537]
88)
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89)90)
91)
92)
2. O
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2[Option ID = 17538]
3. CO
2
[Option ID = 17539]
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4. NADH [Option ID = 17540]Correct Answer :-
H
2
O [Option ID = 17537]
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Which of the following is a pathogen recognition receptor?[Question ID = 4408]
1. C CAM-II receptor [Option ID = 17630]
2. CD28 receptor [Option ID = 17632]
3. Toll like receptor [Option ID = 17631]
--- Content provided by FirstRanker.com ---
4. ICAM-I receptor [Option ID = 17629]Correct Answer :-
Toll like receptor [Option ID = 17631]
Which of the following macromolecules is not a protein?
[Question ID = 4434]
--- Content provided by FirstRanker.com ---
1. Starch [Option ID = 17736]2. Keratin [Option ID = 17733]
3. Insulin [Option ID = 17735]
4. Casein [Option ID = 17734]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Starch [Option ID = 17736]Which of the following peptide can tolerate high variation in amino acid sequence?
[Question ID = 4373]
1. All of the these [Option ID = 17492]
2. Peptide fragment of Fibrin [Option ID = 17489]
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3. Peptide fragment of both Fibrin and Fibrinogen [Option ID = 17490]4. Peptide fragment of fibrinogen [Option ID = 17491]
Correct Answer :-
Peptide fragment of fibrinogen [Option ID = 17491]
Which of the following compounds occurs naturally?
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[Question ID = 4446]1. BH
3
[Option ID = 17782]
2. Al
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2H
6
[Option ID = 17784]
3. B
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2H
6
[Option ID = 17781]
4. Si
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2H
6
[Option ID = 17783]
Correct Answer :-
--- Content provided by FirstRanker.com ---
B2
H
6
[Option ID = 17781]
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Which pair of amino acids absorbs the most UV light at 280nm?[Question ID = 4386]
1. Trp and Tyr [Option ID = 17541]
2. Phe and Pro [Option ID = 17543]
3. Thr and His [Option ID = 17544]
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4. Asp and Glu [Option ID = 17542]Correct Answer :-
Trp and Tyr [Option ID = 17541]
FirstRanker.com - FirstRanker's Choice
1)
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2)3)
4)
5)
DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
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PHTopic:- DU_J18_MSC_BIOSCI_Topic01
100 microns equals
[Question ID = 4436]
1. 10
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-6m [Option ID = 17741]
2. 10
-4
m [Option ID = 17743]
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3. 10-7
m [Option ID = 17744]
4. 10
-5
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m [Option ID = 17742]Correct Answer :-
10
-4
m [Option ID = 17743]
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100 Angstroms equals[Question ID = 4435]
1. 10
-10
m [Option ID = 17739]
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2. 10-9
m [Option ID = 17737]
3. 10
-8
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m [Option ID = 17738]4. 10
-12
m [Option ID = 17740]
Correct Answer :-
--- Content provided by FirstRanker.com ---
10-8
m [Option ID = 17738]
The fingerprint region is a part of
[Question ID = 4437]
--- Content provided by FirstRanker.com ---
1. Proton NMR spectrum [Option ID = 17745]2. Infrared spectrum [Option ID = 17748]
3. C
13
NMR spectrum [Option ID = 17747]
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4. UV-Visible spectrum [Option ID = 17746]Correct Answer :-
Infrared spectrum [Option ID = 17748]
The first nucleotide polymerizing enzyme discovered was
[Question ID = 4374]
--- Content provided by FirstRanker.com ---
1. DNA polymerase [Option ID = 17494]2. DNA primase [Option ID = 17495]
3. Taq polymerase [Option ID = 17493]
4. none of these [Option ID = 17496]
Correct Answer :-
--- Content provided by FirstRanker.com ---
DNA polymerase [Option ID = 17494]The pH of a 0.001 M solution of HCl is
[Question ID = 4423]
1. 0.001 [Option ID = 17692]
2. 2 [Option ID = 17690]
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3. 1 [Option ID = 17689]4. 3 [Option ID = 17691]
6)
7)
8)
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9)10)
11)
Correct Answer :-
3 [Option ID = 17691]
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The photosynthetic assimilation of atmospheric CO2
by leaves yield sucrose and starch as end products of two gluconeogenic pathways
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of the
process?
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[Question ID = 4411]1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]
2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
--- Content provided by FirstRanker.com ---
Correct Answer :-Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
The excess oxygen consumed after a vigorous exercise help
[Question ID = 4419]
1. to pump out lactic acid from muscles [Option ID = 17673]
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2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]3. to increase the concentration of lactic acid in muscles [Option ID = 17674]
4. to make ATP for gluconeogenesis [Option ID = 17676]
Correct Answer :-
to make ATP for gluconeogenesis [Option ID = 17676]
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The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be[Question ID = 4388]
1. 227 Da [Option ID = 17550]
2. 110 Da [Option ID = 17551]
3. 436 Da [Option ID = 17549]
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4. 350 Da [Option ID = 17552]Correct Answer :-
436 Da [Option ID = 17549]
The genetic distance between two genes can be different from the physical distance between them is
[Question ID = 4372]
--- Content provided by FirstRanker.com ---
1. impossible [Option ID = 17485]2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]
3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]
Correct Answer :-
--- Content provided by FirstRanker.com ---
possible because genetic distance is relative unlike physical distance [Option ID = 17487]The enzyme carboxypeptidase contains
[Question ID = 4438]
1. Zinc ion [Option ID = 17751]
2. Iron ion [Option ID = 17750]
--- Content provided by FirstRanker.com ---
3. Cobalt ion [Option ID = 17752]4. Calcium ion [Option ID = 17749]
Correct Answer :-
Zinc ion [Option ID = 17751]
The coenzyme TPP is derived from the vitamin
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12)13)
14)
15)
16)
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[Question ID = 4441]1. Tetrahydrofolate [Option ID = 17763]
2. Thymine [Option ID = 17761]
3. Biotin [Option ID = 17764]
4. Ascorbic acid [Option ID = 17762]
--- Content provided by FirstRanker.com ---
Correct Answer :-The predominant form of Immunoglobulin present at mucosal sites is
[Question ID = 4405]
1. IgG [Option ID = 17618]
2. IgD [Option ID = 17619]
--- Content provided by FirstRanker.com ---
3. IgM [Option ID = 17620]4. IgA [Option ID = 17617]
Correct Answer :-
IgA [Option ID = 17617]
Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygen
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deficient environments will be compromised if their[Question ID = 4418]
1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
2. thickness remains unchanged, but their length increases. [Option ID = 17670]
3. thickness remains unchanged, but their width decreases. [Option ID = 17671]
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4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]Correct Answer :-
thickness increases, and the rest of the size remains the same. [Option ID = 17669]
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes like
wound healing, bone development and others, which one of the following type of enzymes is most important?
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[Question ID = 4392]1. Proteases [Option ID = 17566]
2. Amylase [Option ID = 17567]
3. Peptidase [Option ID = 17565]
4. Lipases [Option ID = 17568]
--- Content provided by FirstRanker.com ---
Correct Answer :-Proteases [Option ID = 17566]
DNA tangling during replication is prevented by
[Question ID = 4376]
1. DNA ligase [Option ID = 17502]
--- Content provided by FirstRanker.com ---
2. DNA helicase [Option ID = 17501]3. DNA topoisomerase [Option ID = 17503]
4. All of these [Option ID = 17504]
Correct Answer :-
DNA topoisomerase [Option ID = 17503]
--- Content provided by FirstRanker.com ---
Glutaric acid contains [Question ID = 4429]1. 5 carbon atoms [Option ID = 17713]
2. 4 carbon atoms [Option ID = 17716]
3. 2 carbon atoms [Option ID = 17714]
4. 3 carbon atoms [Option ID = 17715]
--- Content provided by FirstRanker.com ---
Correct Answer :-5 carbon atoms [Option ID = 17713]
17)
18)
19)
--- Content provided by FirstRanker.com ---
20)21)
22)
Geometric isomers are
[Question ID = 4442]
--- Content provided by FirstRanker.com ---
1. position isomers [Option ID = 17767]2. rarely found [Option ID = 17768]
3. configurational isomers [Option ID = 17765]
4. conformational isomers [Option ID = 17766]
Correct Answer :-
--- Content provided by FirstRanker.com ---
configurational isomers [Option ID = 17765]Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves
[Question ID = 4420]
1. A polymerase coded by the host [Option ID = 17678]
2. A polymerase coded by the virus itself [Option ID = 17677]
--- Content provided by FirstRanker.com ---
3. Host RNA polymerase [Option ID = 17679]4. Unknown mechanism [Option ID = 17680]
Correct Answer :-
A polymerase coded by the virus itself [Option ID = 17677]
Caprolactam is a monomer used to produce
--- Content provided by FirstRanker.com ---
[Question ID = 4431]1. Starch [Option ID = 17722]
2. Cellulose [Option ID = 17721]
3. Glycogen [Option ID = 17723]
4. Nylon [Option ID = 17724]
--- Content provided by FirstRanker.com ---
Correct Answer :-Nylon [Option ID = 17724]
Tetracycline blocks protein synthesis by
[Question ID = 4364]
1. Inhibiting translocase enzyme [Option ID = 17456]
--- Content provided by FirstRanker.com ---
2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]
4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Correct Answer :-
Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
--- Content provided by FirstRanker.com ---
Hematopoietic stem cells are pluripotent, which means that they are[Question ID = 4400]
1. capable of developing into any type of blood cells [Option ID = 17598]
2. committed to produce cells of a single lineage [Option ID = 17599]
3. not self renewal [Option ID = 17600]
--- Content provided by FirstRanker.com ---
4. antigen specific cells [Option ID = 17597]Correct Answer :-
capable of developing into any type of blood cells [Option ID = 17598]
Alveolar cells of the lung arise from which one of the following layers?
[Question ID = 4415]
--- Content provided by FirstRanker.com ---
1. Endoderm [Option ID = 17658]2. Mesoderm [Option ID = 17657]
3. Both ectoderm and endoderm [Option ID = 17660]
4. Ectoderm [Option ID = 17659]
23)
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24)25)
26)
27)
28)
--- Content provided by FirstRanker.com ---
Correct Answer :-Endoderm [Option ID = 17658]
A Th2 cell does not produce
[Question ID = 4404]
1. Interleukin-10 [Option ID = 17615]
--- Content provided by FirstRanker.com ---
2. Interleukin-4 [Option ID = 17614]3. Interferon gamma [Option ID = 17613]
4. Interleuine-5 [Option ID = 17616]
Correct Answer :-
Interferon gamma [Option ID = 17613]
--- Content provided by FirstRanker.com ---
Xenon hexafluoride is a[Question ID = 4439]
1. Tetrahedral molecule [Option ID = 17753]
2. Square planar molecule [Option ID = 17754]
3. Octahedral molecule [Option ID = 17755]
--- Content provided by FirstRanker.com ---
4. Planar molecule [Option ID = 17756]Correct Answer :-
Octahedral molecule [Option ID = 17755]
Na
+
--- Content provided by FirstRanker.com ---
dependent carrier exchanger regulates cytosolic pH[Question ID = 4381]
1. Na
+
/ Glucose symport [Option ID = 17524]
--- Content provided by FirstRanker.com ---
2. Na+
/ K
+
exchanger [Option ID = 17523]
--- Content provided by FirstRanker.com ---
3. Na+
/ H
+
antiport [Option ID = 17522]
--- Content provided by FirstRanker.com ---
4. Na+
/ H
+
symport [Option ID = 17521]
--- Content provided by FirstRanker.com ---
Correct Answer :-Na
+
/ H
+
--- Content provided by FirstRanker.com ---
antiport [Option ID = 17522]Thermolysin is
[Question ID = 4447]
1. a vitamin [Option ID = 17788]
2. a carbohydrate [Option ID = 17787]
--- Content provided by FirstRanker.com ---
3. an exopeptidase [Option ID = 17785]4. an endopeptidase [Option ID = 17786]
Correct Answer :-
an endopeptidase [Option ID = 17786]
During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]
--- Content provided by FirstRanker.com ---
1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]
3. Binding of ribosome subunit to mRNA [Option ID = 17451]
4. Transfer of phosphate group [Option ID = 17452]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Formation of peptide bond between adjacent amino acids [Option ID = 17450]cis- and trans-butadiene are
[Question ID = 4444]
1. geometric isomers [Option ID = 17773]
2. position isomers [Option ID = 17775]
--- Content provided by FirstRanker.com ---
29)30)
31)
32)
33)
--- Content provided by FirstRanker.com ---
34)3. not isomers [Option ID = 17776]
4. conformational isomers [Option ID = 17774]
Correct Answer :-
geometric isomers [Option ID = 17773]
--- Content provided by FirstRanker.com ---
In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalentlylinked by
[Question ID = 4395]
1. beta-1, 6-glycosidic bond [Option ID = 17578]
2. beta-1, 4-glycosidic bond [Option ID = 17580]
--- Content provided by FirstRanker.com ---
3. alpha-1, 6-glycosidic bond [Option ID = 17579]4. alpha-1, 4-glycosidic bond [Option ID = 17577]
Correct Answer :-
beta-1, 4-glycosidic bond [Option ID = 17580]
Bacterial flagella imparts motility to the cell by
--- Content provided by FirstRanker.com ---
[Question ID = 4397]1. gliding movement [Option ID = 17587]
2. rotatory movement [Option ID = 17586]
3. undulating movement [Option ID = 17585]
4. both undulating movement & rotatory movement [Option ID = 17588]
--- Content provided by FirstRanker.com ---
Correct Answer :-rotatory movement [Option ID = 17586]
The Predominant interactions between phospholipids that stabilize a biological membrane include [Question ID = 4394]
1. Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
2. Covalent and hydrophobic interaction [Option ID = 17576]
--- Content provided by FirstRanker.com ---
3. Hydrogen bonds and covalent interaction [Option ID = 17573]4. Vander Waal interaction and ionic interaction [Option ID = 17574]
Correct Answer :-
Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.
--- Content provided by FirstRanker.com ---
[Question ID = 4456]1. 65 [Option ID = 17823]
2. 64 [Option ID = 17822]
3. 63 [Option ID = 17821]
4. 66 [Option ID = 17824]
--- Content provided by FirstRanker.com ---
Correct Answer :-64 [Option ID = 17822]
Enzymes accelerate a reaction by which one of the following strategies? [Question ID = 4414]
1. Increasing the free energy difference between substrate and the product [Option ID = 17655]
2. Decreasing energy required to form the transition state [Option ID = 17653]
--- Content provided by FirstRanker.com ---
3. Increasing kinetic energy of the substrate [Option ID = 17654]4. Changing the turn over number of enzymes [Option ID = 17656]
Correct Answer :-
Decreasing energy required to form the transition state [Option ID = 17653]
Germ-plasm theory was given by [Question ID = 4368]
--- Content provided by FirstRanker.com ---
1. Charles Darwin [Option ID = 17471]2. Walter Sutton [Option ID = 17470]
3. Gregor Mendel [Option ID = 17472]
4. Weismann [Option ID = 17469]
35)
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36)37)
38)
39)
40)
--- Content provided by FirstRanker.com ---
Correct Answer :-Weismann [Option ID = 17469]
The following two organs are example of secondary lymphoid organs [Question ID = 4402]
1. bone marrow and MALT [Option ID = 17608]
2. spleen and GALT [Option ID = 17607]
--- Content provided by FirstRanker.com ---
3. spleen and thymus [Option ID = 17605]4. lymph nodes and thymus [Option ID = 17606]
Correct Answer :-
spleen and GALT [Option ID = 17607]
In regard to animal development, the term pattern formation refers to
--- Content provided by FirstRanker.com ---
[Question ID = 4371]1. The proteins produced by an individual cell [Option ID = 17481]
2. The process of differentiation of specific cell types [Option ID = 17483]
3. The arrangement of digits in body of an organism [Option ID = 17482]
4. The stages of development through which an organism proceeds [Option ID = 17484]
--- Content provided by FirstRanker.com ---
Correct Answer :-The arrangement of digits in body of an organism [Option ID = 17482]
Given below are some statements about prokaryotic and eukaryotic mobile genetic elements or transposon
1. Most mobile elements in bacteria transpose via RNA intermediate
--- Content provided by FirstRanker.com ---
2. Most mobile genetic elements in bacteria are DNA
3. Mobile genetic elements in eukaryotes are only transposons
--- Content provided by FirstRanker.com ---
4. Both RNA and DNA transposons are found in eukaryotesChoose the correct combination:
[Question ID = 4390]
1. 2 & 4 [Option ID = 17560]
--- Content provided by FirstRanker.com ---
2. 2 & 3 [Option ID = 17558]3. 1 & 3 [Option ID = 17557]
4. 1 & 4 [Option ID = 17559]
Correct Answer :-
2 & 4 [Option ID = 17560]
--- Content provided by FirstRanker.com ---
The word opposite in meaning to the word ?verity? is [Question ID = 4451]1. request [Option ID = 17803]
2. abandon [Option ID = 17804]
3. lie [Option ID = 17801]
4. plead [Option ID = 17802]
--- Content provided by FirstRanker.com ---
Correct Answer :-lie [Option ID = 17801]
The word closest in meaning to the word ?craven? is [Question ID = 4450]
1. a bird [Option ID = 17797]
2. coward [Option ID = 17798]
--- Content provided by FirstRanker.com ---
3. brave [Option ID = 17799]4. strong [Option ID = 17800]
Correct Answer :-
coward [Option ID = 17798]
(1/2 + 1/3) / (1/4 - 1/6) is
--- Content provided by FirstRanker.com ---
[Question ID = 4448]1. 5/72 [Option ID = 17789]
41)
42)
43)
--- Content provided by FirstRanker.com ---
44)45)
46)
2. 10 [Option ID = 17790]
3. 12 [Option ID = 17792]
--- Content provided by FirstRanker.com ---
4. 11 [Option ID = 17791]Correct Answer :-
10 [Option ID = 17790]
A shirt was marked at Rs. 540=00. It was sold at 3/4 of the marked price. Find the sale price
[Question ID = 4449]
--- Content provided by FirstRanker.com ---
1. Rs. 400 [Option ID = 17793]2. Rs. 410 [Option ID = 17795]
3. Rs. 415 [Option ID = 17796]
4. Rs. 405 [Option ID = 17794]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Rs. 405 [Option ID = 17794]Artemesinin is a new drug for the treatment of [Question ID = 4424]
1. Malaria [Option ID = 17695]
2. Hypercholesterolemia [Option ID = 17694]
3. Type II diabetes [Option ID = 17693]
--- Content provided by FirstRanker.com ---
4. Typhoid [Option ID = 17696]Correct Answer :-
Malaria [Option ID = 17695]
Azidothymidine is used for the treatment of
[Question ID = 4426]
--- Content provided by FirstRanker.com ---
1. Tuberculosis [Option ID = 17702]2. Genetic disorders [Option ID = 17703]
3. HIV [Option ID = 17701]
4. None of these [Option ID = 17704]
Correct Answer :-
--- Content provided by FirstRanker.com ---
HIV [Option ID = 17701]RNAi stands for
[Question ID = 4369]
1. RNA intron [Option ID = 17475]
2. RNA impulse [Option ID = 17474]
--- Content provided by FirstRanker.com ---
3. RNA initiator [Option ID = 17473]4. RNA interference [Option ID = 17476]
Correct Answer :-
RNA interference [Option ID = 17476]
If X = 3
--- Content provided by FirstRanker.com ---
2, what is the value of X
X
[Question ID = 4454]
1. 3
--- Content provided by FirstRanker.com ---
4[Option ID = 17813]
2. 3
12
[Option ID = 17815]
--- Content provided by FirstRanker.com ---
3. 38
[Option ID = 17814]
4. 3
18
--- Content provided by FirstRanker.com ---
[Option ID = 17816]Correct Answer :-
3
18
[Option ID = 17816]
--- Content provided by FirstRanker.com ---
2-amino propanoic acid is47)
48)
49)
50)
--- Content provided by FirstRanker.com ---
51)[Question ID = 4387]
1. Glycine [Option ID = 17548]
2. Leucine [Option ID = 17547]
3. Valine [Option ID = 17545]
--- Content provided by FirstRanker.com ---
4. Alanine [Option ID = 17546]Correct Answer :-
Alanine [Option ID = 17546]
During denaturation of double?helical DNA,
[Question ID = 4389]
--- Content provided by FirstRanker.com ---
1. Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]2. Denaturation increases with decreasing temperature [Option ID = 17553]
3. G-C rich DNA melts at the same temperature as A-T rich DNA [Option ID = 17555]
4. Once denatured, DNA strands cannot anneal [Option ID = 17556]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]During apoptosis, the cell
[Question ID = 4380]
1. all of the these [Option ID = 17520]
2. phosphatidylserine (PS) is flipped to outer side of membrane [Option ID = 17518]
--- Content provided by FirstRanker.com ---
3. releases of Cytochrome c from mitochondria [Option ID = 17519]4. loses membrane asymmetry [Option ID = 17517]
Correct Answer :-
all of the these [Option ID = 17520]
Injecting Maturation Promoting Factor (MPF) in S phase cell results in
--- Content provided by FirstRanker.com ---
[Question ID = 4393]1. all cells move to G1 phase [Option ID = 17569]
2. all cells move to M phase [Option ID = 17571]
3. all of these [Option ID = 17572]
4. all cell remain in S phase [Option ID = 17570]
--- Content provided by FirstRanker.com ---
Correct Answer :-all cells move to M phase [Option ID = 17571]
Viral replication within the cells is inhibited by
[Question ID = 4398]
1. IL-1 [Option ID = 17590]
--- Content provided by FirstRanker.com ---
2. IL-4 [Option ID = 17589]3. IFN alpha [Option ID = 17591]
4. TNF alpha [Option ID = 17592]
Correct Answer :-
IFN alpha [Option ID = 17591]
--- Content provided by FirstRanker.com ---
A researcher would like to monitor the level of protein in the blood serum. Which one of the following methods would be best suitedfor the purpose?
[Question ID = 4409]
1. Enzyme linked immunosorbent assay [Option ID = 17635]
2. Immunoflouroscence microscopy [Option ID = 17633]
--- Content provided by FirstRanker.com ---
3. Flourescence cell sorting [Option ID = 17636]4. Fluorescence in-situ hybridization [Option ID = 17634]
52)
53)
54)
--- Content provided by FirstRanker.com ---
55)56)
57)
Correct Answer :-
Enzyme linked immunosorbent assay [Option ID = 17635]
--- Content provided by FirstRanker.com ---
Catabolite repression refers to[Question ID = 4365]
1. Inhibition of glucose utilization in the presence of lactose [Option ID = 17459]
2. Inhibition of uptake and metabolism of lactose in the absence of glucose [Option ID = 17457]
3. Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
--- Content provided by FirstRanker.com ---
4. None of these [Option ID = 17460]Correct Answer :-
Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
Phthalates are components of [Question ID = 4422]
1. Aerosols [Option ID = 17686]
--- Content provided by FirstRanker.com ---
2. Hand sanitizers [Option ID = 17685]3. Pigments extracted from natural products [Option ID = 17688]
4. Dyes [Option ID = 17687]
Correct Answer :-
Hand sanitizers [Option ID = 17685]
--- Content provided by FirstRanker.com ---
Replicative senescence is due to[Question ID = 4377]
1. DNA polymerization [Option ID = 17507]
2. Telomerase activation [Option ID = 17506]
3. Shortening of telomere repeats [Option ID = 17505]
--- Content provided by FirstRanker.com ---
4. Active RNA Synthesis [Option ID = 17508]Correct Answer :-
Shortening of telomere repeats [Option ID = 17505]
The product of the reaction of aniline with sodium nitrite and dilute HCl in ice yields [Question ID = 4428]
1. Nitrobenzene [Option ID = 17712]
--- Content provided by FirstRanker.com ---
2. Sodium nitrate [Option ID = 17709]3. Nitric acid [Option ID = 17710]
4. Diazonium chloride [Option ID = 17711]
Correct Answer :-
Diazonium chloride [Option ID = 17711]
--- Content provided by FirstRanker.com ---
[Question ID = 4455]1. 400g [Option ID = 17819]
2. 200g [Option ID = 17817]
3. 500g [Option ID = 17820]
4. 300g [Option ID = 17818]
--- Content provided by FirstRanker.com ---
Correct Answer :-300g [Option ID = 17818]
[Question ID = 4453]
1. 4 [Option ID = 17812]
58)
--- Content provided by FirstRanker.com ---
59)60)
61)
62)
63)
--- Content provided by FirstRanker.com ---
2. 2 [Option ID = 17810]3. ?2 [Option ID = 17809]
4. 2?2 [Option ID = 17811]
Correct Answer :-
2?2 [Option ID = 17811]
--- Content provided by FirstRanker.com ---
Iodine occurs naturally as[Question ID = 4427]
1. a gas [Option ID = 17708]
2. a solid which sublimes [Option ID = 17706]
3. a solid with a melting point of 80?C [Option ID = 17707]
--- Content provided by FirstRanker.com ---
4. a liquid [Option ID = 17705]Correct Answer :-
a solid which sublimes [Option ID = 17706]
Most members of bryophyte phylum Anthocerophyta are characterized by [Question ID = 4412]
1. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte without stomata. [Option ID = 17645]
--- Content provided by FirstRanker.com ---
2. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte with stomata. [Option ID = 17648]3. gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]
4. gametophyte with multiple chloroplasts per cell and unicellular rhizoids; sporophyte without stomata. [Option ID = 17647]
Correct Answer :-
gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]
--- Content provided by FirstRanker.com ---
G-Protein coupled receptors contain the following number of membrane spanning loops [Question ID = 4433]1. 7 [Option ID = 17731]
2. 5 [Option ID = 17729]
3. 8 [Option ID = 17732]
4. 6 [Option ID = 17730]
--- Content provided by FirstRanker.com ---
Correct Answer :-7 [Option ID = 17731]
A gene expressing a 50 kDa protein from Eukaryote was cloned in E. coli plasmid under the lac promoter and operator. Upon addition
of IPTG, the 50 kDa protein was not detected. Which one of the following explains the above observation?
[Question ID = 4416]
--- Content provided by FirstRanker.com ---
1. The cloned sequence lacked the Kozak sequence [Option ID = 17661]2. E.coli does not make proteins larger than 40 kDa [Option ID = 17662]
3. Differences in codon preference [Option ID = 17663]
4. 50 kDa protein contains a nuclear localization signal [Option ID = 17664]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Differences in codon preference [Option ID = 17663]The reaction of CH
3
MgBr with acetaldehyde yields [Question ID = 4443]
1. isopropanol [Option ID = 17770]
--- Content provided by FirstRanker.com ---
2. n-propanol [Option ID = 17769]3. isobutanol [Option ID = 17772]
4. n-butanol [Option ID = 17771]
Correct Answer :-
isopropanol [Option ID = 17770]
--- Content provided by FirstRanker.com ---
The reaction of butadiene with ethene in the presence of heat is an example of [Question ID = 4445]1. Cannizarro reaction [Option ID = 17780]
2. Claisen condensation [Option ID = 17779]
3. Robinson?s annulations [Option ID = 17778]
4. Diels Alder reaction [Option ID = 17777]
--- Content provided by FirstRanker.com ---
64)65)
66)
67)
68)
--- Content provided by FirstRanker.com ---
69)70)
Correct Answer :-
Diels Alder reaction [Option ID = 17777]
The tallest tree in the world is [Question ID = 4452]
--- Content provided by FirstRanker.com ---
1. The Red Oak [Option ID = 17806]2. The Banyan tree [Option ID = 17808]
3. The Neem tree [Option ID = 17807]
4. The Eucalyptus tree [Option ID = 17805]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Stored form of carbohydrate in sugarcane is [Question ID = 4410]1. Sucrose [Option ID = 17638]
2. Glucose [Option ID = 17639]
3. Starch [Option ID = 17637]
4. Maltose [Option ID = 17640]
--- Content provided by FirstRanker.com ---
Correct Answer :-Sucrose [Option ID = 17638]
Bacteria exhibit a characteristic growth pattern. A phase during which the cells divide continually with a fixed time interval between
cell divisions, resulting in exponential growth is called [Question ID = 4370]
1. Lag phase [Option ID = 17477]
--- Content provided by FirstRanker.com ---
2. Stationary Phase [Option ID = 17479]3. Log phase [Option ID = 17478]
4. Meta continual phase [Option ID = 17480]
Correct Answer :-
Log phase [Option ID = 17478]
--- Content provided by FirstRanker.com ---
Nuclear receptor belong to which class of transcriptional factor[Question ID = 4366]
1. Zn-finger proteins [Option ID = 17463]
2. PAH-domain containing protein [Option ID = 17464]
3. Leucine Zipper proteins [Option ID = 17462]
--- Content provided by FirstRanker.com ---
4. Helix-loop-helix proteins [Option ID = 17461]Correct Answer :-
Zn-finger proteins [Option ID = 17463]
SN1 reactions involve the formation of
[Question ID = 4432]
--- Content provided by FirstRanker.com ---
1. polymeric complexes [Option ID = 17728]2. a cationic intermediate [Option ID = 17727]
3. 5-membered transition state [Option ID = 17725]
4. a charge transfer complex [Option ID = 17726]
Correct Answer :-
--- Content provided by FirstRanker.com ---
a cationic intermediate [Option ID = 17727]Initial depolarization of membrane potential begins with the [Question ID = 4382]
1. opening of sodium channel [Option ID = 17527]
2. closing of sodium channel [Option ID = 17525]
3. closing of potassium channel [Option ID = 17528]
--- Content provided by FirstRanker.com ---
4. opening of potassium channel [Option ID = 17526]Correct Answer :-
opening of sodium channel [Option ID = 17527]
According to 2014 IUCN Red List, which of the following vertebrate class has the largest percentage of threatened species?
71)
--- Content provided by FirstRanker.com ---
72)73)
74)
75)
76)
--- Content provided by FirstRanker.com ---
[Question ID = 4413]1. Amphibians [Option ID = 17652]
2. Reptiles [Option ID = 17651]
3. Mammals [Option ID = 17649]
4. Birds [Option ID = 17650]
--- Content provided by FirstRanker.com ---
Correct Answer :-Amphibians [Option ID = 17652]
Two component systems in bacteria consist of [Question ID = 4367]
1. Two transcription factor that work together [Option ID = 17467]
2. Membrane protein and cell wall protein [Option ID = 17466]
--- Content provided by FirstRanker.com ---
3. A sensor kinase and a response regulator [Option ID = 17465]4. Antibiotic resistance gene and a replication regulatory gene [Option ID = 17468]
Correct Answer :-
A sensor kinase and a response regulator [Option ID = 17465]
HCl is a strong acid and NaOH a strong base. Assuming complete dissociation of each, what will be the pH of solution obtained by
--- Content provided by FirstRanker.com ---
adding 30 mL of 100 mM NaOH to 70 ml of 43 mM HCl?[Question ID = 4384]
1. 7 [Option ID = 17535]
2. 4 [Option ID = 17536]
3. 2 [Option ID = 17533]
--- Content provided by FirstRanker.com ---
4. 3 [Option ID = 17534]Correct Answer :-
7 [Option ID = 17535]
Primary lymphoid organs [Question ID = 4399]
1. are efficient in exposing T cells to foreign antigens [Option ID = 17593]
--- Content provided by FirstRanker.com ---
2. are the primary site of antibody synthesis and release [Option ID = 17594]3. Filter blood and trap blood-borne antigens [Option ID = 17595]
4. provide the microenvironment for maturation of T and B cells [Option ID = 17596]
Correct Answer :-
provide the microenvironment for maturation of T and B cells [Option ID = 17596]
--- Content provided by FirstRanker.com ---
Localized release of acetylcholine is triggered by [Question ID = 4383]1. Opening of voltage gated Ca
2+
channel [Option ID = 17529]
2. Closing of voltage gated Ca
--- Content provided by FirstRanker.com ---
2+and Na
+
channel [Option ID = 17531]
3. Opening of voltage gated Na
--- Content provided by FirstRanker.com ---
+channel [Option ID = 17530]
4. Increased influx of Na
+
[Option ID = 17532]
--- Content provided by FirstRanker.com ---
Correct Answer :-Opening of voltage gated Ca
2+
channel [Option ID = 17529]
Copying errors occurring during replication are corrected by the proof reading activity of DNA polymerases that recognizes incorrect
--- Content provided by FirstRanker.com ---
bases at[Question ID = 4391]
1. 3? end of the growing chain, removes the incorrect base by 5?-3? exonuclease activity [Option ID = 17562]
2. 3? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17563]
3. 5? end of the growing chain, removes the incorrect base by 5?-3? exonuclease activity [Option ID = 17561]
--- Content provided by FirstRanker.com ---
4. 5? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17564]Correct Answer :-
3? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17563]
CDK activation is dependent on
77)
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78)79)
80)
81)
[Question ID = 4379]
--- Content provided by FirstRanker.com ---
1. All of the these [Option ID = 17516]2. Cyclin [Option ID = 17513]
3. CAK [Option ID = 17515]
4. Phosphorylation of T-loop [Option ID = 17514]
Correct Answer :-
--- Content provided by FirstRanker.com ---
All of the these [Option ID = 17516]Barbiturates cannot be used as
[Question ID = 4425]
1. Anti-convulsants [Option ID = 17697]
2. Anti-histamines [Option ID = 17700]
--- Content provided by FirstRanker.com ---
3. Sedatives [Option ID = 17699]4. Hypnotics [Option ID = 17698]
Correct Answer :-
Anti-histamines [Option ID = 17700]
In a population from a recently discovered island in the Indian ocean, most of the people were of blood group O. This indicates that
--- Content provided by FirstRanker.com ---
[Question ID = 4375]1. This a case of pseudo-genes [Option ID = 17499]
2. This is a case of pseudo-dominance [Option ID = 17500]
3. This is due to high rate of mutation [Option ID = 17498]
4. Blood group O is a truly dominant allele [Option ID = 17497]
--- Content provided by FirstRanker.com ---
Correct Answer :-This is a case of pseudo-dominance [Option ID = 17500]
Which form of DNA is found most commonly in biological systems?
[Question ID = 4440]
1. Single stranded DNA [Option ID = 17760]
--- Content provided by FirstRanker.com ---
2. A-DNA [Option ID = 17757]3. B-DNA [Option ID = 17758]
4. Z-DNA [Option ID = 17759]
Correct Answer :-
B-DNA [Option ID = 17758]
--- Content provided by FirstRanker.com ---
Which cell undergoes more rigorous positive and negative selection during development?[Question ID = 4406]
1. T cells are more rigorously selected than B cells [Option ID = 17622]
2. B cells are more rigorously selected than T cells [Option ID = 17621]
3. Both undergo equal levels of selection [Option ID = 17623]
--- Content provided by FirstRanker.com ---
4. Neither cell undergoes any selection for optimum repertoire [Option ID = 17624]Correct Answer :-
T cells are more rigorously selected than B cells [Option ID = 17622]
Which one of the following would contribute to the intrinsic fluorescence of a protein?
[Question ID = 4417]
--- Content provided by FirstRanker.com ---
1. Charged amino acids [Option ID = 17667]2. Aromatic amino acids [Option ID = 17665]
3. Branched chain amino acids [Option ID = 17668]
4. Disulfide bonds [Option ID = 17666]
Correct Answer :-
--- Content provided by FirstRanker.com ---
82)83)
84)
85)
86)
--- Content provided by FirstRanker.com ---
87)Aromatic amino acids [Option ID = 17665]
Which one of the following gases contributes to acid rain?
[Question ID = 4430]
1. Nitrogen [Option ID = 17717]
--- Content provided by FirstRanker.com ---
2. Carbon dioxide [Option ID = 17719]3. Sulphur dioxide [Option ID = 17718]
4. Oxygen [Option ID = 17720]
Correct Answer :-
Sulphur dioxide [Option ID = 17718]
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Which one of the following is not true for tumor suppressor proteins in the cells?[Question ID = 4421]
1. They cause growth arrest [Option ID = 17681]
2. They are anti-angiogenesis [Option ID = 17683]
3. They are anti-apoptotic [Option ID = 17684]
--- Content provided by FirstRanker.com ---
4. They regulate DNA repair [Option ID = 17682]Correct Answer :-
They are anti-apoptotic [Option ID = 17684]
Which one group of the following cells is not phagocytic in nature?
[Question ID = 4401]
--- Content provided by FirstRanker.com ---
1. T lymphocytes [Option ID = 17602]2. Neutrophils [Option ID = 17601]
3. Macrophages [Option ID = 17603]
4. Microglial cells [Option ID = 17604]
Correct Answer :-
--- Content provided by FirstRanker.com ---
T lymphocytes [Option ID = 17602]Which of the following is correct regarding Reverse transcriptase and Telomerase?
[Question ID = 4378]
1. Both require DNA template [Option ID = 17510]
2. Both require RNA template [Option ID = 17509]
--- Content provided by FirstRanker.com ---
3. Both have the ability to synthesize RNA [Option ID = 17511]4. None of these [Option ID = 17512]
Correct Answer :-
Both require RNA template [Option ID = 17509]
Which of the following is not true about capsules and slime layers in bacteria?
--- Content provided by FirstRanker.com ---
[Question ID = 4396]1. They are required for bacteria to grow normally in culture [Option ID = 17583]
2. They can prevent dessication of bacterial cells [Option ID = 17582]
3. They help bacteria resist phagocytosis by macrophages [Option ID = 17584]
4. They consist of secreted material, capsules and slime layer [Option ID = 17581]
--- Content provided by FirstRanker.com ---
Correct Answer :-They are required for bacteria to grow normally in culture [Option ID = 17583]
Which of the following is the source of electrons during photosynthesis?
[Question ID = 4385]
1. H
--- Content provided by FirstRanker.com ---
2O [Option ID = 17537]
88)
89)
90)
--- Content provided by FirstRanker.com ---
91)92)
2. O
2
[Option ID = 17538]
--- Content provided by FirstRanker.com ---
3. CO2
[Option ID = 17539]
4. NADH [Option ID = 17540]
Correct Answer :-
--- Content provided by FirstRanker.com ---
H2
O [Option ID = 17537]
Which of the following is a pathogen recognition receptor?
[Question ID = 4408]
--- Content provided by FirstRanker.com ---
1. C CAM-II receptor [Option ID = 17630]2. CD28 receptor [Option ID = 17632]
3. Toll like receptor [Option ID = 17631]
4. ICAM-I receptor [Option ID = 17629]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Toll like receptor [Option ID = 17631]Which of the following macromolecules is not a protein?
[Question ID = 4434]
1. Starch [Option ID = 17736]
2. Keratin [Option ID = 17733]
--- Content provided by FirstRanker.com ---
3. Insulin [Option ID = 17735]4. Casein [Option ID = 17734]
Correct Answer :-
Starch [Option ID = 17736]
Which of the following peptide can tolerate high variation in amino acid sequence?
--- Content provided by FirstRanker.com ---
[Question ID = 4373]1. All of the these [Option ID = 17492]
2. Peptide fragment of Fibrin [Option ID = 17489]
3. Peptide fragment of both Fibrin and Fibrinogen [Option ID = 17490]
4. Peptide fragment of fibrinogen [Option ID = 17491]
--- Content provided by FirstRanker.com ---
Correct Answer :-Peptide fragment of fibrinogen [Option ID = 17491]
Which of the following compounds occurs naturally?
[Question ID = 4446]
1. BH
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3[Option ID = 17782]
2. Al
2
H
--- Content provided by FirstRanker.com ---
6[Option ID = 17784]
3. B
2
H
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6[Option ID = 17781]
4. Si
2
H
--- Content provided by FirstRanker.com ---
6[Option ID = 17783]
Correct Answer :-
B
2
--- Content provided by FirstRanker.com ---
H6
[Option ID = 17781]
Which pair of amino acids absorbs the most UV light at 280nm?
[Question ID = 4386]
--- Content provided by FirstRanker.com ---
1. Trp and Tyr [Option ID = 17541]2. Phe and Pro [Option ID = 17543]
3. Thr and His [Option ID = 17544]
4. Asp and Glu [Option ID = 17542]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Trp and Tyr [Option ID = 17541]93)
94)
95)
1)
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2)3)
Which cell is referred to as Professional Antigen presenting cell?
[Question ID = 4407]
1. NK cells [Option ID = 17628]
--- Content provided by FirstRanker.com ---
2. B cell [Option ID = 17625]3. Dendritic cell [Option ID = 17627]
4. Macrophages [Option ID = 17626]
Correct Answer :-
Dendritic cell [Option ID = 17627]
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Which statements is true for both prokaryotic and eukaryotic cells?[Question ID = 4403]
1. Both have DNA as their primary genetic material [Option ID = 17611]
2. Prokaryotic cells are generally much larger than eukaryotic cells [Option ID = 17609]
3. Eukaryotic cells have plasma membranes and prokaryotic cells do not [Option ID = 17612]
--- Content provided by FirstRanker.com ---
4. Eukaryotic cells have ribosomes and prokaryotic cells do not [Option ID = 17610]Correct Answer :-
Both have DNA as their primary genetic material [Option ID = 17611]
Unwinding of DNA during replication is done by [Question ID = 4362]
1. Topoisomerase [Option ID = 17447]
--- Content provided by FirstRanker.com ---
2. Telomerase [Option ID = 17448]3. Ligase [Option ID = 17446]
4. Helicase [Option ID = 17445]
Correct Answer :-
Helicase [Option ID = 17445]
--- Content provided by FirstRanker.com ---
Topic:- DU_J18_MSC_BIOSCI_Topic02Directions: Choose the word that is most similar in meaning to the word in capital letters:
ACCRETION
[Question ID = 4458]
--- Content provided by FirstRanker.com ---
1. Abstain [Option ID = 17830]2. Damp [Option ID = 17832]
3. Bent [Option ID = 17831]
4. Growth [Option ID = 17829]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Growth [Option ID = 17829]Directions: Choose the word that is most similar in meaning to the word in capital letters :
HERMETIC
[Question ID = 4460]
1. Airtight [Option ID = 17840]
--- Content provided by FirstRanker.com ---
2. Fresh [Option ID = 17839]3. Leaky [Option ID = 17837]
4. Preserved [Option ID = 17838]
Correct Answer :-
Airtight [Option ID = 17840]
--- Content provided by FirstRanker.com ---
Directions: Choose the word that is most similar in meaning to the word in capital letters :FACETIOUS
FirstRanker.com - FirstRanker's Choice
1)
2)
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3)4)
5)
DU MSc PhD Comb degree Bio Sci N MSc Bio Sci
PH
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Topic:- DU_J18_MSC_BIOSCI_Topic01100 microns equals
[Question ID = 4436]
1. 10
-6
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m [Option ID = 17741]2. 10
-4
m [Option ID = 17743]
3. 10
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-7m [Option ID = 17744]
4. 10
-5
m [Option ID = 17742]
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Correct Answer :-10
-4
m [Option ID = 17743]
100 Angstroms equals
--- Content provided by FirstRanker.com ---
[Question ID = 4435]1. 10
-10
m [Option ID = 17739]
2. 10
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-9m [Option ID = 17737]
3. 10
-8
m [Option ID = 17738]
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4. 10-12
m [Option ID = 17740]
Correct Answer :-
10
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-8m [Option ID = 17738]
The fingerprint region is a part of
[Question ID = 4437]
1. Proton NMR spectrum [Option ID = 17745]
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2. Infrared spectrum [Option ID = 17748]3. C
13
NMR spectrum [Option ID = 17747]
4. UV-Visible spectrum [Option ID = 17746]
--- Content provided by FirstRanker.com ---
Correct Answer :-Infrared spectrum [Option ID = 17748]
The first nucleotide polymerizing enzyme discovered was
[Question ID = 4374]
1. DNA polymerase [Option ID = 17494]
--- Content provided by FirstRanker.com ---
2. DNA primase [Option ID = 17495]3. Taq polymerase [Option ID = 17493]
4. none of these [Option ID = 17496]
Correct Answer :-
DNA polymerase [Option ID = 17494]
--- Content provided by FirstRanker.com ---
The pH of a 0.001 M solution of HCl is[Question ID = 4423]
1. 0.001 [Option ID = 17692]
2. 2 [Option ID = 17690]
3. 1 [Option ID = 17689]
--- Content provided by FirstRanker.com ---
4. 3 [Option ID = 17691]6)
7)
8)
9)
--- Content provided by FirstRanker.com ---
10)11)
Correct Answer :-
3 [Option ID = 17691]
The photosynthetic assimilation of atmospheric CO
--- Content provided by FirstRanker.com ---
2by leaves yield sucrose and starch as end products of two gluconeogenic pathways
that are physically separated. Which one of the following combination of cell organelles are involved in such physical separation of the
process?
[Question ID = 4411]
--- Content provided by FirstRanker.com ---
1. Sucrose in chloroplasts and starch in cytosol. [Option ID = 17642]2. Sucrose in cytosol and starch in mitochondria. [Option ID = 17641]
3. Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
4. Sucrose in mitochondria and starch in cytosol. [Option ID = 17643]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]The excess oxygen consumed after a vigorous exercise help
[Question ID = 4419]
1. to pump out lactic acid from muscles [Option ID = 17673]
2. to reduce dissolved carbon dioxide in blood [Option ID = 17675]
--- Content provided by FirstRanker.com ---
3. to increase the concentration of lactic acid in muscles [Option ID = 17674]4. to make ATP for gluconeogenesis [Option ID = 17676]
Correct Answer :-
to make ATP for gluconeogenesis [Option ID = 17676]
The approximate molecular weight of the tetrapeptide ?A-C-D-E? would be
--- Content provided by FirstRanker.com ---
[Question ID = 4388]1. 227 Da [Option ID = 17550]
2. 110 Da [Option ID = 17551]
3. 436 Da [Option ID = 17549]
4. 350 Da [Option ID = 17552]
--- Content provided by FirstRanker.com ---
Correct Answer :-436 Da [Option ID = 17549]
The genetic distance between two genes can be different from the physical distance between them is
[Question ID = 4372]
1. impossible [Option ID = 17485]
--- Content provided by FirstRanker.com ---
2. possible because genetic distance is relative unlike physical distance [Option ID = 17487]3. possible because physical distance is relative unlike genetic distance [Option ID = 17488]
4. possible, because of the variation in the position of the gene from the centromere [Option ID = 17486]
Correct Answer :-
possible because genetic distance is relative unlike physical distance [Option ID = 17487]
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The enzyme carboxypeptidase contains[Question ID = 4438]
1. Zinc ion [Option ID = 17751]
2. Iron ion [Option ID = 17750]
3. Cobalt ion [Option ID = 17752]
--- Content provided by FirstRanker.com ---
4. Calcium ion [Option ID = 17749]Correct Answer :-
Zinc ion [Option ID = 17751]
The coenzyme TPP is derived from the vitamin
12)
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13)14)
15)
16)
[Question ID = 4441]
--- Content provided by FirstRanker.com ---
1. Tetrahydrofolate [Option ID = 17763]2. Thymine [Option ID = 17761]
3. Biotin [Option ID = 17764]
4. Ascorbic acid [Option ID = 17762]
Correct Answer :-
--- Content provided by FirstRanker.com ---
The predominant form of Immunoglobulin present at mucosal sites is[Question ID = 4405]
1. IgG [Option ID = 17618]
2. IgD [Option ID = 17619]
3. IgM [Option ID = 17620]
--- Content provided by FirstRanker.com ---
4. IgA [Option ID = 17617]Correct Answer :-
IgA [Option ID = 17617]
Two cockroaches of the same species have the same thickness but different lengths and widths. Their ability to survive in oxygen
deficient environments will be compromised if their
--- Content provided by FirstRanker.com ---
[Question ID = 4418]1. thickness increases, and the rest of the size remains the same. [Option ID = 17669]
2. thickness remains unchanged, but their length increases. [Option ID = 17670]
3. thickness remains unchanged, but their width decreases. [Option ID = 17671]
4. thickness decreases, but the rest of the size remains unchanged [Option ID = 17672]
--- Content provided by FirstRanker.com ---
Correct Answer :-thickness increases, and the rest of the size remains the same. [Option ID = 17669]
Collagens are the most abundant component of the extracellular matrix. In order to maintain normal physiological processes like
wound healing, bone development and others, which one of the following type of enzymes is most important?
[Question ID = 4392]
--- Content provided by FirstRanker.com ---
1. Proteases [Option ID = 17566]2. Amylase [Option ID = 17567]
3. Peptidase [Option ID = 17565]
4. Lipases [Option ID = 17568]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Proteases [Option ID = 17566]DNA tangling during replication is prevented by
[Question ID = 4376]
1. DNA ligase [Option ID = 17502]
2. DNA helicase [Option ID = 17501]
--- Content provided by FirstRanker.com ---
3. DNA topoisomerase [Option ID = 17503]4. All of these [Option ID = 17504]
Correct Answer :-
DNA topoisomerase [Option ID = 17503]
Glutaric acid contains [Question ID = 4429]
--- Content provided by FirstRanker.com ---
1. 5 carbon atoms [Option ID = 17713]2. 4 carbon atoms [Option ID = 17716]
3. 2 carbon atoms [Option ID = 17714]
4. 3 carbon atoms [Option ID = 17715]
Correct Answer :-
--- Content provided by FirstRanker.com ---
5 carbon atoms [Option ID = 17713]17)
18)
19)
20)
--- Content provided by FirstRanker.com ---
21)22)
Geometric isomers are
[Question ID = 4442]
1. position isomers [Option ID = 17767]
--- Content provided by FirstRanker.com ---
2. rarely found [Option ID = 17768]3. configurational isomers [Option ID = 17765]
4. conformational isomers [Option ID = 17766]
Correct Answer :-
configurational isomers [Option ID = 17765]
--- Content provided by FirstRanker.com ---
Retroviruses have RNA genome, however, they replicate through double stranded DNA formation. This process involves[Question ID = 4420]
1. A polymerase coded by the host [Option ID = 17678]
2. A polymerase coded by the virus itself [Option ID = 17677]
3. Host RNA polymerase [Option ID = 17679]
--- Content provided by FirstRanker.com ---
4. Unknown mechanism [Option ID = 17680]Correct Answer :-
A polymerase coded by the virus itself [Option ID = 17677]
Caprolactam is a monomer used to produce
[Question ID = 4431]
--- Content provided by FirstRanker.com ---
1. Starch [Option ID = 17722]2. Cellulose [Option ID = 17721]
3. Glycogen [Option ID = 17723]
4. Nylon [Option ID = 17724]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Nylon [Option ID = 17724]Tetracycline blocks protein synthesis by
[Question ID = 4364]
1. Inhibiting translocase enzyme [Option ID = 17456]
2. Inhibitory binding of ribosome to 5? Cap [Option ID = 17453]
--- Content provided by FirstRanker.com ---
3. Inhibit binding of ribosome to shine-dalgarno sequences [Option ID = 17455]4. Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Correct Answer :-
Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
Hematopoietic stem cells are pluripotent, which means that they are
--- Content provided by FirstRanker.com ---
[Question ID = 4400]1. capable of developing into any type of blood cells [Option ID = 17598]
2. committed to produce cells of a single lineage [Option ID = 17599]
3. not self renewal [Option ID = 17600]
4. antigen specific cells [Option ID = 17597]
--- Content provided by FirstRanker.com ---
Correct Answer :-capable of developing into any type of blood cells [Option ID = 17598]
Alveolar cells of the lung arise from which one of the following layers?
[Question ID = 4415]
1. Endoderm [Option ID = 17658]
--- Content provided by FirstRanker.com ---
2. Mesoderm [Option ID = 17657]3. Both ectoderm and endoderm [Option ID = 17660]
4. Ectoderm [Option ID = 17659]
23)
24)
--- Content provided by FirstRanker.com ---
25)26)
27)
28)
Correct Answer :-
--- Content provided by FirstRanker.com ---
Endoderm [Option ID = 17658]A Th2 cell does not produce
[Question ID = 4404]
1. Interleukin-10 [Option ID = 17615]
2. Interleukin-4 [Option ID = 17614]
--- Content provided by FirstRanker.com ---
3. Interferon gamma [Option ID = 17613]4. Interleuine-5 [Option ID = 17616]
Correct Answer :-
Interferon gamma [Option ID = 17613]
Xenon hexafluoride is a
--- Content provided by FirstRanker.com ---
[Question ID = 4439]1. Tetrahedral molecule [Option ID = 17753]
2. Square planar molecule [Option ID = 17754]
3. Octahedral molecule [Option ID = 17755]
4. Planar molecule [Option ID = 17756]
--- Content provided by FirstRanker.com ---
Correct Answer :-Octahedral molecule [Option ID = 17755]
Na
+
dependent carrier exchanger regulates cytosolic pH
--- Content provided by FirstRanker.com ---
[Question ID = 4381]1. Na
+
/ Glucose symport [Option ID = 17524]
2. Na
--- Content provided by FirstRanker.com ---
+/ K
+
exchanger [Option ID = 17523]
3. Na
--- Content provided by FirstRanker.com ---
+/ H
+
antiport [Option ID = 17522]
4. Na
--- Content provided by FirstRanker.com ---
+/ H
+
symport [Option ID = 17521]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Na+
/ H
+
antiport [Option ID = 17522]
--- Content provided by FirstRanker.com ---
Thermolysin is[Question ID = 4447]
1. a vitamin [Option ID = 17788]
2. a carbohydrate [Option ID = 17787]
3. an exopeptidase [Option ID = 17785]
--- Content provided by FirstRanker.com ---
4. an endopeptidase [Option ID = 17786]Correct Answer :-
an endopeptidase [Option ID = 17786]
During translation, the role of peptidyl transferase enzyme is [Question ID = 4363]
1. Transfer of peptide from ?A? to ?P? site [Option ID = 17449]
--- Content provided by FirstRanker.com ---
2. Formation of peptide bond between adjacent amino acids [Option ID = 17450]3. Binding of ribosome subunit to mRNA [Option ID = 17451]
4. Transfer of phosphate group [Option ID = 17452]
Correct Answer :-
Formation of peptide bond between adjacent amino acids [Option ID = 17450]
--- Content provided by FirstRanker.com ---
cis- and trans-butadiene are[Question ID = 4444]
1. geometric isomers [Option ID = 17773]
2. position isomers [Option ID = 17775]
29)
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30)31)
32)
33)
34)
--- Content provided by FirstRanker.com ---
3. not isomers [Option ID = 17776]4. conformational isomers [Option ID = 17774]
Correct Answer :-
geometric isomers [Option ID = 17773]
In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalently
--- Content provided by FirstRanker.com ---
linked by[Question ID = 4395]
1. beta-1, 6-glycosidic bond [Option ID = 17578]
2. beta-1, 4-glycosidic bond [Option ID = 17580]
3. alpha-1, 6-glycosidic bond [Option ID = 17579]
--- Content provided by FirstRanker.com ---
4. alpha-1, 4-glycosidic bond [Option ID = 17577]Correct Answer :-
beta-1, 4-glycosidic bond [Option ID = 17580]
Bacterial flagella imparts motility to the cell by
[Question ID = 4397]
--- Content provided by FirstRanker.com ---
1. gliding movement [Option ID = 17587]2. rotatory movement [Option ID = 17586]
3. undulating movement [Option ID = 17585]
4. both undulating movement & rotatory movement [Option ID = 17588]
Correct Answer :-
--- Content provided by FirstRanker.com ---
rotatory movement [Option ID = 17586]The Predominant interactions between phospholipids that stabilize a biological membrane include [Question ID = 4394]
1. Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
2. Covalent and hydrophobic interaction [Option ID = 17576]
3. Hydrogen bonds and covalent interaction [Option ID = 17573]
--- Content provided by FirstRanker.com ---
4. Vander Waal interaction and ionic interaction [Option ID = 17574]Correct Answer :-
Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.
[Question ID = 4456]
--- Content provided by FirstRanker.com ---
1. 65 [Option ID = 17823]2. 64 [Option ID = 17822]
3. 63 [Option ID = 17821]
4. 66 [Option ID = 17824]
Correct Answer :-
--- Content provided by FirstRanker.com ---
64 [Option ID = 17822]Enzymes accelerate a reaction by which one of the following strategies? [Question ID = 4414]
1. Increasing the free energy difference between substrate and the product [Option ID = 17655]
2. Decreasing energy required to form the transition state [Option ID = 17653]
3. Increasing kinetic energy of the substrate [Option ID = 17654]
--- Content provided by FirstRanker.com ---
4. Changing the turn over number of enzymes [Option ID = 17656]Correct Answer :-
Decreasing energy required to form the transition state [Option ID = 17653]
Germ-plasm theory was given by [Question ID = 4368]
1. Charles Darwin [Option ID = 17471]
--- Content provided by FirstRanker.com ---
2. Walter Sutton [Option ID = 17470]3. Gregor Mendel [Option ID = 17472]
4. Weismann [Option ID = 17469]
35)
36)
--- Content provided by FirstRanker.com ---
37)38)
39)
40)
Correct Answer :-
--- Content provided by FirstRanker.com ---
Weismann [Option ID = 17469]The following two organs are example of secondary lymphoid organs [Question ID = 4402]
1. bone marrow and MALT [Option ID = 17608]
2. spleen and GALT [Option ID = 17607]
3. spleen and thymus [Option ID = 17605]
--- Content provided by FirstRanker.com ---
4. lymph nodes and thymus [Option ID = 17606]Correct Answer :-
spleen and GALT [Option ID = 17607]
In regard to animal development, the term pattern formation refers to
[Question ID = 4371]
--- Content provided by FirstRanker.com ---
1. The proteins produced by an individual cell [Option ID = 17481]2. The process of differentiation of specific cell types [Option ID = 17483]
3. The arrangement of digits in body of an organism [Option ID = 17482]
4. The stages of development through which an organism proceeds [Option ID = 17484]
Correct Answer :-
--- Content provided by FirstRanker.com ---
The arrangement of digits in body of an organism [Option ID = 17482]Given below are some statements about prokaryotic and eukaryotic mobile genetic elements or transposon
1. Most mobile elements in bacteria transpose via RNA intermediate
--- Content provided by FirstRanker.com ---
2. Most mobile genetic elements in bacteria are DNA3. Mobile genetic elements in eukaryotes are only transposons
4. Both RNA and DNA transposons are found in eukaryotes
--- Content provided by FirstRanker.com ---
Choose the correct combination:
[Question ID = 4390]
1. 2 & 4 [Option ID = 17560]
2. 2 & 3 [Option ID = 17558]
--- Content provided by FirstRanker.com ---
3. 1 & 3 [Option ID = 17557]4. 1 & 4 [Option ID = 17559]
Correct Answer :-
2 & 4 [Option ID = 17560]
The word opposite in meaning to the word ?verity? is [Question ID = 4451]
--- Content provided by FirstRanker.com ---
1. request [Option ID = 17803]2. abandon [Option ID = 17804]
3. lie [Option ID = 17801]
4. plead [Option ID = 17802]
Correct Answer :-
--- Content provided by FirstRanker.com ---
lie [Option ID = 17801]The word closest in meaning to the word ?craven? is [Question ID = 4450]
1. a bird [Option ID = 17797]
2. coward [Option ID = 17798]
3. brave [Option ID = 17799]
--- Content provided by FirstRanker.com ---
4. strong [Option ID = 17800]Correct Answer :-
coward [Option ID = 17798]
(1/2 + 1/3) / (1/4 - 1/6) is
[Question ID = 4448]
--- Content provided by FirstRanker.com ---
1. 5/72 [Option ID = 17789]41)
42)
43)
44)
--- Content provided by FirstRanker.com ---
45)46)
2. 10 [Option ID = 17790]
3. 12 [Option ID = 17792]
4. 11 [Option ID = 17791]
--- Content provided by FirstRanker.com ---
Correct Answer :-10 [Option ID = 17790]
A shirt was marked at Rs. 540=00. It was sold at 3/4 of the marked price. Find the sale price
[Question ID = 4449]
1. Rs. 400 [Option ID = 17793]
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2. Rs. 410 [Option ID = 17795]3. Rs. 415 [Option ID = 17796]
4. Rs. 405 [Option ID = 17794]
Correct Answer :-
Rs. 405 [Option ID = 17794]
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Artemesinin is a new drug for the treatment of [Question ID = 4424]1. Malaria [Option ID = 17695]
2. Hypercholesterolemia [Option ID = 17694]
3. Type II diabetes [Option ID = 17693]
4. Typhoid [Option ID = 17696]
--- Content provided by FirstRanker.com ---
Correct Answer :-Malaria [Option ID = 17695]
Azidothymidine is used for the treatment of
[Question ID = 4426]
1. Tuberculosis [Option ID = 17702]
--- Content provided by FirstRanker.com ---
2. Genetic disorders [Option ID = 17703]3. HIV [Option ID = 17701]
4. None of these [Option ID = 17704]
Correct Answer :-
HIV [Option ID = 17701]
--- Content provided by FirstRanker.com ---
RNAi stands for[Question ID = 4369]
1. RNA intron [Option ID = 17475]
2. RNA impulse [Option ID = 17474]
3. RNA initiator [Option ID = 17473]
--- Content provided by FirstRanker.com ---
4. RNA interference [Option ID = 17476]Correct Answer :-
RNA interference [Option ID = 17476]
If X = 3
2
--- Content provided by FirstRanker.com ---
, what is the value of XX
[Question ID = 4454]
1. 3
4
--- Content provided by FirstRanker.com ---
[Option ID = 17813]2. 3
12
[Option ID = 17815]
3. 3
--- Content provided by FirstRanker.com ---
8[Option ID = 17814]
4. 3
18
[Option ID = 17816]
--- Content provided by FirstRanker.com ---
Correct Answer :-3
18
[Option ID = 17816]
2-amino propanoic acid is
--- Content provided by FirstRanker.com ---
47)48)
49)
50)
51)
--- Content provided by FirstRanker.com ---
[Question ID = 4387]1. Glycine [Option ID = 17548]
2. Leucine [Option ID = 17547]
3. Valine [Option ID = 17545]
4. Alanine [Option ID = 17546]
--- Content provided by FirstRanker.com ---
Correct Answer :-Alanine [Option ID = 17546]
During denaturation of double?helical DNA,
[Question ID = 4389]
1. Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
--- Content provided by FirstRanker.com ---
2. Denaturation increases with decreasing temperature [Option ID = 17553]3. G-C rich DNA melts at the same temperature as A-T rich DNA [Option ID = 17555]
4. Once denatured, DNA strands cannot anneal [Option ID = 17556]
Correct Answer :-
Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
--- Content provided by FirstRanker.com ---
During apoptosis, the cell[Question ID = 4380]
1. all of the these [Option ID = 17520]
2. phosphatidylserine (PS) is flipped to outer side of membrane [Option ID = 17518]
3. releases of Cytochrome c from mitochondria [Option ID = 17519]
--- Content provided by FirstRanker.com ---
4. loses membrane asymmetry [Option ID = 17517]Correct Answer :-
all of the these [Option ID = 17520]
Injecting Maturation Promoting Factor (MPF) in S phase cell results in
[Question ID = 4393]
--- Content provided by FirstRanker.com ---
1. all cells move to G1 phase [Option ID = 17569]2. all cells move to M phase [Option ID = 17571]
3. all of these [Option ID = 17572]
4. all cell remain in S phase [Option ID = 17570]
Correct Answer :-
--- Content provided by FirstRanker.com ---
all cells move to M phase [Option ID = 17571]Viral replication within the cells is inhibited by
[Question ID = 4398]
1. IL-1 [Option ID = 17590]
2. IL-4 [Option ID = 17589]
--- Content provided by FirstRanker.com ---
3. IFN alpha [Option ID = 17591]4. TNF alpha [Option ID = 17592]
Correct Answer :-
IFN alpha [Option ID = 17591]
A researcher would like to monitor the level of protein in the blood serum. Which one of the following methods would be best suited
--- Content provided by FirstRanker.com ---
for the purpose?[Question ID = 4409]
1. Enzyme linked immunosorbent assay [Option ID = 17635]
2. Immunoflouroscence microscopy [Option ID = 17633]
3. Flourescence cell sorting [Option ID = 17636]
--- Content provided by FirstRanker.com ---
4. Fluorescence in-situ hybridization [Option ID = 17634]52)
53)
54)
55)
--- Content provided by FirstRanker.com ---
56)57)
Correct Answer :-
Enzyme linked immunosorbent assay [Option ID = 17635]
Catabolite repression refers to
--- Content provided by FirstRanker.com ---
[Question ID = 4365]1. Inhibition of glucose utilization in the presence of lactose [Option ID = 17459]
2. Inhibition of uptake and metabolism of lactose in the absence of glucose [Option ID = 17457]
3. Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
4. None of these [Option ID = 17460]
--- Content provided by FirstRanker.com ---
Correct Answer :-Inhibition of metabolism of lactose in the presence of glucose [Option ID = 17458]
Phthalates are components of [Question ID = 4422]
1. Aerosols [Option ID = 17686]
2. Hand sanitizers [Option ID = 17685]
--- Content provided by FirstRanker.com ---
3. Pigments extracted from natural products [Option ID = 17688]4. Dyes [Option ID = 17687]
Correct Answer :-
Hand sanitizers [Option ID = 17685]
Replicative senescence is due to
--- Content provided by FirstRanker.com ---
[Question ID = 4377]1. DNA polymerization [Option ID = 17507]
2. Telomerase activation [Option ID = 17506]
3. Shortening of telomere repeats [Option ID = 17505]
4. Active RNA Synthesis [Option ID = 17508]
--- Content provided by FirstRanker.com ---
Correct Answer :-Shortening of telomere repeats [Option ID = 17505]
The product of the reaction of aniline with sodium nitrite and dilute HCl in ice yields [Question ID = 4428]
1. Nitrobenzene [Option ID = 17712]
2. Sodium nitrate [Option ID = 17709]
--- Content provided by FirstRanker.com ---
3. Nitric acid [Option ID = 17710]4. Diazonium chloride [Option ID = 17711]
Correct Answer :-
Diazonium chloride [Option ID = 17711]
[Question ID = 4455]
--- Content provided by FirstRanker.com ---
1. 400g [Option ID = 17819]2. 200g [Option ID = 17817]
3. 500g [Option ID = 17820]
4. 300g [Option ID = 17818]
Correct Answer :-
--- Content provided by FirstRanker.com ---
300g [Option ID = 17818][Question ID = 4453]
1. 4 [Option ID = 17812]
58)
59)
--- Content provided by FirstRanker.com ---
60)61)
62)
63)
2. 2 [Option ID = 17810]
--- Content provided by FirstRanker.com ---
3. ?2 [Option ID = 17809]4. 2?2 [Option ID = 17811]
Correct Answer :-
2?2 [Option ID = 17811]
Iodine occurs naturally as
--- Content provided by FirstRanker.com ---
[Question ID = 4427]1. a gas [Option ID = 17708]
2. a solid which sublimes [Option ID = 17706]
3. a solid with a melting point of 80?C [Option ID = 17707]
4. a liquid [Option ID = 17705]
--- Content provided by FirstRanker.com ---
Correct Answer :-a solid which sublimes [Option ID = 17706]
Most members of bryophyte phylum Anthocerophyta are characterized by [Question ID = 4412]
1. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte without stomata. [Option ID = 17645]
2. gametophyte with single chloroplast per cell and multicellular rhizoids; sporophyte with stomata. [Option ID = 17648]
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3. gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]4. gametophyte with multiple chloroplasts per cell and unicellular rhizoids; sporophyte without stomata. [Option ID = 17647]
Correct Answer :-
gametophyte with single chloroplast per cell and unicellular rhizoids; sporophyte with stomata. [Option ID = 17646]
G-Protein coupled receptors contain the following number of membrane spanning loops [Question ID = 4433]
--- Content provided by FirstRanker.com ---
1. 7 [Option ID = 17731]2. 5 [Option ID = 17729]
3. 8 [Option ID = 17732]
4. 6 [Option ID = 17730]
Correct Answer :-
--- Content provided by FirstRanker.com ---
7 [Option ID = 17731]A gene expressing a 50 kDa protein from Eukaryote was cloned in E. coli plasmid under the lac promoter and operator. Upon addition
of IPTG, the 50 kDa protein was not detected. Which one of the following explains the above observation?
[Question ID = 4416]
1. The cloned sequence lacked the Kozak sequence [Option ID = 17661]
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2. E.coli does not make proteins larger than 40 kDa [Option ID = 17662]3. Differences in codon preference [Option ID = 17663]
4. 50 kDa protein contains a nuclear localization signal [Option ID = 17664]
Correct Answer :-
Differences in codon preference [Option ID = 17663]
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The reaction of CH3
MgBr with acetaldehyde yields [Question ID = 4443]
1. isopropanol [Option ID = 17770]
2. n-propanol [Option ID = 17769]
--- Content provided by FirstRanker.com ---
3. isobutanol [Option ID = 17772]4. n-butanol [Option ID = 17771]
Correct Answer :-
isopropanol [Option ID = 17770]
The reaction of butadiene with ethene in the presence of heat is an example of [Question ID = 4445]
--- Content provided by FirstRanker.com ---
1. Cannizarro reaction [Option ID = 17780]2. Claisen condensation [Option ID = 17779]
3. Robinson?s annulations [Option ID = 17778]
4. Diels Alder reaction [Option ID = 17777]
64)
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65)66)
67)
68)
69)
--- Content provided by FirstRanker.com ---
70)Correct Answer :-
Diels Alder reaction [Option ID = 17777]
The tallest tree in the world is [Question ID = 4452]
1. The Red Oak [Option ID = 17806]
--- Content provided by FirstRanker.com ---
2. The Banyan tree [Option ID = 17808]3. The Neem tree [Option ID = 17807]
4. The Eucalyptus tree [Option ID = 17805]
Correct Answer :-
Stored form of carbohydrate in sugarcane is [Question ID = 4410]
--- Content provided by FirstRanker.com ---
1. Sucrose [Option ID = 17638]2. Glucose [Option ID = 17639]
3. Starch [Option ID = 17637]
4. Maltose [Option ID = 17640]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Sucrose [Option ID = 17638]Bacteria exhibit a characteristic growth pattern. A phase during which the cells divide continually with a fixed time interval between
cell divisions, resulting in exponential growth is called [Question ID = 4370]
1. Lag phase [Option ID = 17477]
2. Stationary Phase [Option ID = 17479]
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3. Log phase [Option ID = 17478]4. Meta continual phase [Option ID = 17480]
Correct Answer :-
Log phase [Option ID = 17478]
Nuclear receptor belong to which class of transcriptional factor
--- Content provided by FirstRanker.com ---
[Question ID = 4366]1. Zn-finger proteins [Option ID = 17463]
2. PAH-domain containing protein [Option ID = 17464]
3. Leucine Zipper proteins [Option ID = 17462]
4. Helix-loop-helix proteins [Option ID = 17461]
--- Content provided by FirstRanker.com ---
Correct Answer :-Zn-finger proteins [Option ID = 17463]
SN1 reactions involve the formation of
[Question ID = 4432]
1. polymeric complexes [Option ID = 17728]
--- Content provided by FirstRanker.com ---
2. a cationic intermediate [Option ID = 17727]3. 5-membered transition state [Option ID = 17725]
4. a charge transfer complex [Option ID = 17726]
Correct Answer :-
a cationic intermediate [Option ID = 17727]
--- Content provided by FirstRanker.com ---
Initial depolarization of membrane potential begins with the [Question ID = 4382]1. opening of sodium channel [Option ID = 17527]
2. closing of sodium channel [Option ID = 17525]
3. closing of potassium channel [Option ID = 17528]
4. opening of potassium channel [Option ID = 17526]
--- Content provided by FirstRanker.com ---
Correct Answer :-opening of sodium channel [Option ID = 17527]
According to 2014 IUCN Red List, which of the following vertebrate class has the largest percentage of threatened species?
71)
72)
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73)74)
75)
76)
[Question ID = 4413]
--- Content provided by FirstRanker.com ---
1. Amphibians [Option ID = 17652]2. Reptiles [Option ID = 17651]
3. Mammals [Option ID = 17649]
4. Birds [Option ID = 17650]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Amphibians [Option ID = 17652]Two component systems in bacteria consist of [Question ID = 4367]
1. Two transcription factor that work together [Option ID = 17467]
2. Membrane protein and cell wall protein [Option ID = 17466]
3. A sensor kinase and a response regulator [Option ID = 17465]
--- Content provided by FirstRanker.com ---
4. Antibiotic resistance gene and a replication regulatory gene [Option ID = 17468]Correct Answer :-
A sensor kinase and a response regulator [Option ID = 17465]
HCl is a strong acid and NaOH a strong base. Assuming complete dissociation of each, what will be the pH of solution obtained by
adding 30 mL of 100 mM NaOH to 70 ml of 43 mM HCl?
--- Content provided by FirstRanker.com ---
[Question ID = 4384]1. 7 [Option ID = 17535]
2. 4 [Option ID = 17536]
3. 2 [Option ID = 17533]
4. 3 [Option ID = 17534]
--- Content provided by FirstRanker.com ---
Correct Answer :-7 [Option ID = 17535]
Primary lymphoid organs [Question ID = 4399]
1. are efficient in exposing T cells to foreign antigens [Option ID = 17593]
2. are the primary site of antibody synthesis and release [Option ID = 17594]
--- Content provided by FirstRanker.com ---
3. Filter blood and trap blood-borne antigens [Option ID = 17595]4. provide the microenvironment for maturation of T and B cells [Option ID = 17596]
Correct Answer :-
provide the microenvironment for maturation of T and B cells [Option ID = 17596]
Localized release of acetylcholine is triggered by [Question ID = 4383]
--- Content provided by FirstRanker.com ---
1. Opening of voltage gated Ca2+
channel [Option ID = 17529]
2. Closing of voltage gated Ca
2+
--- Content provided by FirstRanker.com ---
and Na+
channel [Option ID = 17531]
3. Opening of voltage gated Na
+
--- Content provided by FirstRanker.com ---
channel [Option ID = 17530]4. Increased influx of Na
+
[Option ID = 17532]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Opening of voltage gated Ca2+
channel [Option ID = 17529]
Copying errors occurring during replication are corrected by the proof reading activity of DNA polymerases that recognizes incorrect
bases at
--- Content provided by FirstRanker.com ---
[Question ID = 4391]1. 3? end of the growing chain, removes the incorrect base by 5?-3? exonuclease activity [Option ID = 17562]
2. 3? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17563]
3. 5? end of the growing chain, removes the incorrect base by 5?-3? exonuclease activity [Option ID = 17561]
4. 5? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17564]
--- Content provided by FirstRanker.com ---
Correct Answer :-3? end of the growing chain, removes the incorrect base by 3?-5? exonuclease activity [Option ID = 17563]
CDK activation is dependent on
77)
78)
--- Content provided by FirstRanker.com ---
79)80)
81)
[Question ID = 4379]
1. All of the these [Option ID = 17516]
--- Content provided by FirstRanker.com ---
2. Cyclin [Option ID = 17513]3. CAK [Option ID = 17515]
4. Phosphorylation of T-loop [Option ID = 17514]
Correct Answer :-
All of the these [Option ID = 17516]
--- Content provided by FirstRanker.com ---
Barbiturates cannot be used as[Question ID = 4425]
1. Anti-convulsants [Option ID = 17697]
2. Anti-histamines [Option ID = 17700]
3. Sedatives [Option ID = 17699]
--- Content provided by FirstRanker.com ---
4. Hypnotics [Option ID = 17698]Correct Answer :-
Anti-histamines [Option ID = 17700]
In a population from a recently discovered island in the Indian ocean, most of the people were of blood group O. This indicates that
[Question ID = 4375]
--- Content provided by FirstRanker.com ---
1. This a case of pseudo-genes [Option ID = 17499]2. This is a case of pseudo-dominance [Option ID = 17500]
3. This is due to high rate of mutation [Option ID = 17498]
4. Blood group O is a truly dominant allele [Option ID = 17497]
Correct Answer :-
--- Content provided by FirstRanker.com ---
This is a case of pseudo-dominance [Option ID = 17500]Which form of DNA is found most commonly in biological systems?
[Question ID = 4440]
1. Single stranded DNA [Option ID = 17760]
2. A-DNA [Option ID = 17757]
--- Content provided by FirstRanker.com ---
3. B-DNA [Option ID = 17758]4. Z-DNA [Option ID = 17759]
Correct Answer :-
B-DNA [Option ID = 17758]
Which cell undergoes more rigorous positive and negative selection during development?
--- Content provided by FirstRanker.com ---
[Question ID = 4406]1. T cells are more rigorously selected than B cells [Option ID = 17622]
2. B cells are more rigorously selected than T cells [Option ID = 17621]
3. Both undergo equal levels of selection [Option ID = 17623]
4. Neither cell undergoes any selection for optimum repertoire [Option ID = 17624]
--- Content provided by FirstRanker.com ---
Correct Answer :-T cells are more rigorously selected than B cells [Option ID = 17622]
Which one of the following would contribute to the intrinsic fluorescence of a protein?
[Question ID = 4417]
1. Charged amino acids [Option ID = 17667]
--- Content provided by FirstRanker.com ---
2. Aromatic amino acids [Option ID = 17665]3. Branched chain amino acids [Option ID = 17668]
4. Disulfide bonds [Option ID = 17666]
Correct Answer :-
82)
--- Content provided by FirstRanker.com ---
83)84)
85)
86)
87)
--- Content provided by FirstRanker.com ---
Aromatic amino acids [Option ID = 17665]Which one of the following gases contributes to acid rain?
[Question ID = 4430]
1. Nitrogen [Option ID = 17717]
2. Carbon dioxide [Option ID = 17719]
--- Content provided by FirstRanker.com ---
3. Sulphur dioxide [Option ID = 17718]4. Oxygen [Option ID = 17720]
Correct Answer :-
Sulphur dioxide [Option ID = 17718]
Which one of the following is not true for tumor suppressor proteins in the cells?
--- Content provided by FirstRanker.com ---
[Question ID = 4421]1. They cause growth arrest [Option ID = 17681]
2. They are anti-angiogenesis [Option ID = 17683]
3. They are anti-apoptotic [Option ID = 17684]
4. They regulate DNA repair [Option ID = 17682]
--- Content provided by FirstRanker.com ---
Correct Answer :-They are anti-apoptotic [Option ID = 17684]
Which one group of the following cells is not phagocytic in nature?
[Question ID = 4401]
1. T lymphocytes [Option ID = 17602]
--- Content provided by FirstRanker.com ---
2. Neutrophils [Option ID = 17601]3. Macrophages [Option ID = 17603]
4. Microglial cells [Option ID = 17604]
Correct Answer :-
T lymphocytes [Option ID = 17602]
--- Content provided by FirstRanker.com ---
Which of the following is correct regarding Reverse transcriptase and Telomerase?[Question ID = 4378]
1. Both require DNA template [Option ID = 17510]
2. Both require RNA template [Option ID = 17509]
3. Both have the ability to synthesize RNA [Option ID = 17511]
--- Content provided by FirstRanker.com ---
4. None of these [Option ID = 17512]Correct Answer :-
Both require RNA template [Option ID = 17509]
Which of the following is not true about capsules and slime layers in bacteria?
[Question ID = 4396]
--- Content provided by FirstRanker.com ---
1. They are required for bacteria to grow normally in culture [Option ID = 17583]2. They can prevent dessication of bacterial cells [Option ID = 17582]
3. They help bacteria resist phagocytosis by macrophages [Option ID = 17584]
4. They consist of secreted material, capsules and slime layer [Option ID = 17581]
Correct Answer :-
--- Content provided by FirstRanker.com ---
They are required for bacteria to grow normally in culture [Option ID = 17583]Which of the following is the source of electrons during photosynthesis?
[Question ID = 4385]
1. H
2
--- Content provided by FirstRanker.com ---
O [Option ID = 17537]88)
89)
90)
91)
--- Content provided by FirstRanker.com ---
92)2. O
2
[Option ID = 17538]
3. CO
--- Content provided by FirstRanker.com ---
2[Option ID = 17539]
4. NADH [Option ID = 17540]
Correct Answer :-
H
--- Content provided by FirstRanker.com ---
2O [Option ID = 17537]
Which of the following is a pathogen recognition receptor?
[Question ID = 4408]
1. C CAM-II receptor [Option ID = 17630]
--- Content provided by FirstRanker.com ---
2. CD28 receptor [Option ID = 17632]3. Toll like receptor [Option ID = 17631]
4. ICAM-I receptor [Option ID = 17629]
Correct Answer :-
Toll like receptor [Option ID = 17631]
--- Content provided by FirstRanker.com ---
Which of the following macromolecules is not a protein?[Question ID = 4434]
1. Starch [Option ID = 17736]
2. Keratin [Option ID = 17733]
3. Insulin [Option ID = 17735]
--- Content provided by FirstRanker.com ---
4. Casein [Option ID = 17734]Correct Answer :-
Starch [Option ID = 17736]
Which of the following peptide can tolerate high variation in amino acid sequence?
[Question ID = 4373]
--- Content provided by FirstRanker.com ---
1. All of the these [Option ID = 17492]2. Peptide fragment of Fibrin [Option ID = 17489]
3. Peptide fragment of both Fibrin and Fibrinogen [Option ID = 17490]
4. Peptide fragment of fibrinogen [Option ID = 17491]
Correct Answer :-
--- Content provided by FirstRanker.com ---
Peptide fragment of fibrinogen [Option ID = 17491]Which of the following compounds occurs naturally?
[Question ID = 4446]
1. BH
3
--- Content provided by FirstRanker.com ---
[Option ID = 17782]2. Al
2
H
6
--- Content provided by FirstRanker.com ---
[Option ID = 17784]3. B
2
H
6
--- Content provided by FirstRanker.com ---
[Option ID = 17781]4. Si
2
H
6
--- Content provided by FirstRanker.com ---
[Option ID = 17783]Correct Answer :-
B
2
H
--- Content provided by FirstRanker.com ---
6[Option ID = 17781]
Which pair of amino acids absorbs the most UV light at 280nm?
[Question ID = 4386]
1. Trp and Tyr [Option ID = 17541]
--- Content provided by FirstRanker.com ---
2. Phe and Pro [Option ID = 17543]3. Thr and His [Option ID = 17544]
4. Asp and Glu [Option ID = 17542]
Correct Answer :-
Trp and Tyr [Option ID = 17541]
--- Content provided by FirstRanker.com ---
93)94)
95)
1)
2)
--- Content provided by FirstRanker.com ---
3)Which cell is referred to as Professional Antigen presenting cell?
[Question ID = 4407]
1. NK cells [Option ID = 17628]
2. B cell [Option ID = 17625]
--- Content provided by FirstRanker.com ---
3. Dendritic cell [Option ID = 17627]4. Macrophages [Option ID = 17626]
Correct Answer :-
Dendritic cell [Option ID = 17627]
Which statements is true for both prokaryotic and eukaryotic cells?
--- Content provided by FirstRanker.com ---
[Question ID = 4403]1. Both have DNA as their primary genetic material [Option ID = 17611]
2. Prokaryotic cells are generally much larger than eukaryotic cells [Option ID = 17609]
3. Eukaryotic cells have plasma membranes and prokaryotic cells do not [Option ID = 17612]
4. Eukaryotic cells have ribosomes and prokaryotic cells do not [Option ID = 17610]
--- Content provided by FirstRanker.com ---
Correct Answer :-Both have DNA as their primary genetic material [Option ID = 17611]
Unwinding of DNA during replication is done by [Question ID = 4362]
1. Topoisomerase [Option ID = 17447]
2. Telomerase [Option ID = 17448]
--- Content provided by FirstRanker.com ---
3. Ligase [Option ID = 17446]4. Helicase [Option ID = 17445]
Correct Answer :-
Helicase [Option ID = 17445]
Topic:- DU_J18_MSC_BIOSCI_Topic02
--- Content provided by FirstRanker.com ---
Directions: Choose the word that is most similar in meaning to the word in capital letters:ACCRETION
[Question ID = 4458]
1. Abstain [Option ID = 17830]
--- Content provided by FirstRanker.com ---
2. Damp [Option ID = 17832]3. Bent [Option ID = 17831]
4. Growth [Option ID = 17829]
Correct Answer :-
Growth [Option ID = 17829]
--- Content provided by FirstRanker.com ---
Directions: Choose the word that is most similar in meaning to the word in capital letters :HERMETIC
[Question ID = 4460]
1. Airtight [Option ID = 17840]
2. Fresh [Option ID = 17839]
--- Content provided by FirstRanker.com ---
3. Leaky [Option ID = 17837]4. Preserved [Option ID = 17838]
Correct Answer :-
Airtight [Option ID = 17840]
Directions: Choose the word that is most similar in meaning to the word in capital letters :
--- Content provided by FirstRanker.com ---
FACETIOUS1)
2)
[Question ID = 4459]
1. Fawn [Option ID = 17836]
--- Content provided by FirstRanker.com ---
2. Interesting [Option ID = 17834]3. Serious [Option ID = 17833]
4. Humorous [Option ID = 17835]
Correct Answer :-
Humorous [Option ID = 17835]
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Topic:- DU_J18_MSC_BIOSCI_Topic03Directions: Choose the word for the blanks given in the following paragraph from list (A) & (B) respectively that best fits the meaning:
The development of hydrogen-powered cars will always be ?..(A) by the physical fact that hydrogen, while containing more energy per
liter than does petrol, is much less dense than petrol; making it ?.(B) for any vehicle to carry enough hydrogen on board for long
trips.
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List for (B) :[Question ID = 4463]
1. Useful [Option ID = 17852]
2. Convenient [Option ID = 17849]
3. Austere [Option ID = 17850]
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4. Ungainly [Option ID = 17851]Correct Answer :-
Ungainly [Option ID = 17851]
Directions: Choose the word for the blanks given in the following paragraph from list (A) & (B) respectively that best fits the meaning:
The development of hydrogen-powered cars will always be ?..(A) by the physical fact that hydrogen, while containing more energy per
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liter than does petrol, is much less dense than petrol; making it ?.(B) for any vehicle to carry enough hydrogen on board for longtrips.
List for (A):
[Question ID = 4462]
1. Parodied [Option ID = 17847]
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2. Enhanced [Option ID = 17845]3. Hindered [Option ID = 17846]
4. Advantageous [Option ID = 17848]
Correct Answer :-
Hindered [Option ID = 17846]
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