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Download DUET Master 2018 DU MSc PhD Comb degree Bio Sci N MSc Bio Sci PH Question Paper With Answer Key

Download DUET (Delhi University Entrance Test conducted by the NTA) 2018 DU MSc PhD Comb degree Bio Sci N MSc Bio Sci PH Question Paper With Solution Key

This post was last modified on 29 January 2020

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DUET Last 10 Years 2011-2021 Question Papers With Answer Key || Delhi University Entrance Test conducted by the NTA

DU MSc PhD Comb degree Bio Sci N MSc Bio Sci PH

Topic:- DU_J18_MSC_BIOSCI_Topic01

100 microns equals
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[Question ID = 4436]
1. 10^-6 m [Option ID = 17741]
2. 10^-4 m [Option ID = 17743]
3. 10^-7 m [Option ID = 17744]
4. 10^-5 m [Option ID = 17742]
Correct Answer :-

10^-4 m [Option ID = 17743]
2) 100 Angstroms equals

[Question ID = 4435]
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1. 10^-10 m [Option ID = 17739]
2. 10^-9 m [Option ID = 17737]
3. 10^-8 m [Option ID = 17738]
4. 10^-12 m [Option ID = 17740]
Correct Answer :-
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10^-8 m [Option ID = 17738]
3) The fingerprint region is a part of

[Question ID = 4437]
1. Proton NMR spectrum [Option ID = 17745]
2. Infrared spectrum [Option ID = 17748]
3. C¹³ NMR spectrum [Option ID = 17747]
4. UV-Visible spectrum [Option ID = 17746]
Correct Answer :-

Infrared spectrum [Option ID = 17748]
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4) 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]
4. none of these [Option ID = 17496]
Correct Answer :-

DNA polymerase [Option ID = 17494]

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5) 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]
4. 3 [Option ID = 17691]
Correct Answer :-

3 [Option ID = 17691]
6) 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]
Correct Answer :-

Sucrose in cytosol and starch in chloroplasts [Option ID = 17644]
7) The excess oxygen consumed after a vigorous exercise help

[Question ID = 4419]
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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 :-
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to make ATP for gluconeogenesis [Option ID = 17676]
8) 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]
4. 350 Da [Option ID = 17552]
Correct Answer :-

436 Da [Option ID = 17549]
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9) 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]
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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10) 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]
4. Calcium ion [Option ID = 17749]
Correct Answer :-

Zinc ion [Option ID = 17751]
11) The coenzyme TPP is derived from the vitamin
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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]
Correct Answer :-
12) 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]
4. IgA [Option ID = 17617]
Correct Answer :-

IgA [Option ID = 17617]
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13) 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]
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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14) 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]
2. Amylase [Option ID = 17567]
3. Peptidase [Option ID = 17565]
4. Lipases [Option ID = 17568]
Correct Answer :-

Proteases [Option ID = 17566]
15) DNA tangling during replication is prevented by
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[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]
Correct Answer :-

DNA topoisomerase [Option ID = 17503]
16) 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]
Correct Answer :-

5 carbon atoms [Option ID = 17713]
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17) Geometric isomers are

[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]
Correct Answer :-

configurational isomers [Option ID = 17765]

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18) 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]
4. Unknown mechanism [Option ID = 17680]
Correct Answer :-

A polymerase coded by the virus itself [Option ID = 17677]
19) 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]
Correct Answer :-

Nylon [Option ID = 17724]
20) Tetracycline blocks protein synthesis by

[Question ID = 4364]
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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 :-
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Inhibitting binding of aminoacyl-tRNA to ribosome [Option ID = 17454]
21) 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]
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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22) 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]
4. Ectoderm [Option ID = 17659]
Correct Answer :-

Endoderm [Option ID = 17658]

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23) 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]
4. Interleuine-5 [Option ID = 17616]
Correct Answer :-

Interferon gamma [Option ID = 17613]
24) 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]
Correct Answer :-

Octahedral molecule [Option ID = 17755]
25) Na+ dependent carrier exchanger regulates cytosolic pH

[Question ID = 4381]
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1. Na+/ Glucose symport [Option ID = 17524]
2. Na+/K+ exchanger [Option ID = 17523]
3. Na+/ H+ antiport [Option ID = 17522]
4. Na+/ H+ symport [Option ID = 17521]
Correct Answer :-
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Na+/ H+ antiport [Option ID = 17522]
26) Thermolysin is

[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]
Correct Answer :-

an endopeptidase [Option ID = 17786]
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27) 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]
Correct Answer :-

Formation of peptide bond between adjacent amino acids [Option ID = 17450]
28) cis- and trans-butadiene are
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[Question ID = 4444]
1. geometric isomers [Option ID = 17773]
2. position isomers [Option ID = 17775]
3. not isomers [Option ID = 17776]
4. conformational isomers [Option ID = 17774]
Correct Answer :-

geometric isomers [Option ID = 17773]
29) In the Gram positive bacteria, the two modified sugars- N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM), are covalently linked by

[Question ID = 4395]
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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 :-
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beta-1, 4-glycosidic bond [Option ID = 17580]
30) 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]
4. both undulating movement & rotatory movement [Option ID = 17588]
Correct Answer :-

rotatory movement [Option ID = 17586]
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31) 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]
Correct Answer :-

Hydrophobic interaction and hydrogen bonding [Option ID = 17575]
32) 5.25 kg apples cost Rs. 336=00. The cost of 1 kg in Rupees is.
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[Question ID = 4456]
1. 65 [Option ID = 17823]
2. 64 [Option ID = 17822]
3. 63 [Option ID = 17821]
4. 66 [Option ID = 17824]
Correct Answer :-

64 [Option ID = 17822]
33) 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]
Correct Answer :-

Decreasing energy required to form the transition state [Option ID = 17653]
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34) 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]
Correct Answer :-

Weismann [Option ID = 17469]
35) The following two organs are example of secondary lymphoid organs [Question ID = 4402]
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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 :-
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spleen and GALT [Option ID = 17607]
36) 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]
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]
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37) Given below are some statements about prokaryotic and eukaryotic mobile genetic elements or transposon
1. Most mobile elements in bacteria transpose via RNA intermediate
2. Most mobile genetic elements in bacteria are DNA
3. Mobile genetic elements in eukaryotes are only transposons
4. Both RNA and DNA transposons are found in eukaryotes
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]
4. 1 & 4 [Option ID = 17559]
Correct Answer :-

2 & 4 [Option ID = 17560]

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38) 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]
Correct Answer :-

lie [Option ID = 17801]
39) 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]
Correct Answer :-

coward [Option ID = 17798]
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40) (1/2+1/3) / (1/4-1/6) is

[Question ID = 4448]
1. 5/72 [Option ID = 17789]
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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41) 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]
4. Rs. 405 [Option ID = 17794]
Correct Answer :-

Rs. 405 [Option ID = 17794]
42) Artemesinin is a new drug for the treatment of [Question ID = 4424]
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1. Malaria [Option ID = 17695]
2. Hypercholesterolemia [Option ID = 17694]
3. Type II diabetes [Option ID = 17693]
4. Typhoid [Option ID = 17696]
Correct Answer :-
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Malaria [Option ID = 17695]
43) 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]
4. None of these [Option ID = 17704]
Correct Answer :-

HIV [Option ID = 17701]
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44) RNAi stands for

[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]
Correct Answer :-

RNA interference [Option ID = 17476]

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45) If X = 3², what is the value of X^X

[Question ID = 4454]
1. 3⁴ [Option ID = 17813]
2. 3¹² [Option ID = 17815]
3. 3⁸ [Option ID = 17814]
4. 3¹⁸ [Option ID = 17816]
Correct Answer :-

3¹⁸ [Option ID = 17816]
46) 2-amino propanoic acid is
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[Question ID = 4387]
1. Glycine [Option ID = 17548]
2. Leucine [Option ID = 17547]
3. Valine [Option ID = 17545]
4. Alanine [Option ID = 17546]
Correct Answer :-

Alanine [Option ID = 17546]
47) During denaturation of double-helical DNA,

[Question ID = 4389]
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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 :-
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Denaturation is accompanied by an increase in the absorption of UV light by DNA [Option ID = 17554]
48) During apoptosis, the cell

[Question ID = 4380]

This post was last modified on 29 January 2020