q

Delhi University Entrance Test (DUET) 2020 Previous Year Question Paper With Answer Key

This post was last modified on 27 December 2020

Download Document

This download link is referred from the post: DUET Last 10 Years 2011-2021 Question Papers With Answer Key || Delhi University Entrance Test conducted by the NTA

Topic:- MICRO MSC S2

The virus which was used in the Hershey-Chase experiment to prove that DNA is the genetic material, belong to the genus:

[Question ID = 3392]
--- Content provided by FirstRanker.com ---
1. T1 virus [Option ID = 13562]
2. T2 virus [Option ID = 13563]
3. T3 virus [Option ID = 13564]
4. T4 virus [Option ID = 13565]
Correct Answer :-
--- Content provided by FirstRanker.com ---
- T4 virus [Option ID = 13565]
High partition coefficient during the liquid-liquid extraction process for product recovery implicates:

[Question ID = 3393]
1. Difficulty in the extraction process [Option ID = 13566]
2. Higher product degradation [Option ID = 13567]
3. No effect on the extraction process [Option ID = 13568]
4. Ease of extraction [Option ID = 13569]
Correct Answer :-
- Ease of extraction [Option ID = 13569]
Numerical aperture of an oil immersion objective lens is around:

[Question ID = 3394]
1. 0.65 [Option ID = 13570]
2. 0.85 [Option ID = 13571]
3. 1.33 [Option ID = 13572]
4. 1.03 [Option ID = 13573]
Correct Answer :-
- 1.33 [Option ID = 13572]

--- Content provided by FirstRanker.com ---

Which one of the following statements is incorrect?

[Question ID = 3395]
1. RNA polymerase III uses internal promoters located within the transcription unit [Option ID = 13574]
2. RNA polymerase II synthesizes mRNAs [Option ID = 13575]
3. RNA polymerase I synthesizes tRNAs [Option ID = 13576]
4. RNA polymerase III synthesizes small RNAs [Option ID = 13577]
Correct Answer :-
- RNA polymerase I synthesizes tRNAs [Option ID = 13576]
An icosahedron structure of virus particle is made of:
--- Content provided by FirstRanker.com ---

[Question ID = 3396]
1. 20 vertices, 12 edges, 30 faces [Option ID = 13578]
2. 20 edges, 12 faces, 30 vertices [Option ID = 13579]
3. 20 faces, 12 vertices, 30 edges [Option ID = 13580]
4. 20 vertices, 12 faces, 30 edges [Option ID = 13581]
Correct Answer :-
- 20 faces, 12 vertices, 30 edges [Option ID = 13580]
A nucleotide consists of a nitrogenous base linked to a sugar-phosphate. The nitrogenous base is either a purine or a pyrimidine. Which of the following combinations are pyrimidines?

[Question ID = 3397]
--- Content provided by FirstRanker.com ---
1. Thymine and adenine [Option ID = 13582]
2. Cytosine and guanine [Option ID = 13583]
3. Guanine and adenine [Option ID = 13584]
4. Cytosine and uracil [Option ID = 13585]
Correct Answer :-
--- Content provided by FirstRanker.com ---
- Cytosine and uracil [Option ID = 13585]
Which of the following enzymes is generally used in the preparation of High-Fructose Corn Syrup (HFCS)?

[Question ID = 3398]
1. Glucose oxidase [Option ID = 13586]
2. Glucose isomerase [Option ID = 13587]
3. Cellobiose dehydrogenase [Option ID = 13588]
Correct Answer :-
- Glucose isomerase [Option ID = 13587]

--- Content provided by FirstRanker.com ---

Cyclization of glucose results in a:

[Question ID = 3399]
1. Furanose ring [Option ID = 13590]
2. Pyranose ring [Option ID = 13591]
3. Glycosyl ring [Option ID = 13592]
4. Glycone ring [Option ID = 13593]
Correct Answer :-
- Pyranose ring [Option ID = 13591]
During assembly of a Poliovirus particle, twelve of the 14 S complexes assemble together to form:
--- Content provided by FirstRanker.com ---

[Question ID = 3400]
1. an empty 73 S capsid [Option ID = 13594]
2. an empty 125 S capsid [Option ID = 13595]
3. 73 S capsid packaged with positive ssRNA genome inside it [Option ID = 13596]
4. 125 S capsid packaged with negative ssRNA genome inside it [Option ID = 13597]
Correct Answer :-
- an empty 73 S capsid [Option ID = 13594]
Resolving power of a microscope is a function of:

[Question ID = 3401]
--- Content provided by FirstRanker.com ---
1. Only wavelength of light used [Option ID = 13598]
2. Only numerical aperture of lens system [Option ID = 13599]
3. Refractive index [Option ID = 13600]
4. Wavelength of light used and numerical aperture of lens system [Option ID = 13601]
Correct Answer :-
--- Content provided by FirstRanker.com ---
- Wavelength of light used and numerical aperture of lens system [Option ID = 13601]
Which of the following is not an industrial by-product?

[Question ID = 3402]
1. Sulfite waste liquor [Option ID = 13602]
2. Corn steep liquor [Option ID = 13603]
3. Molasses [Option ID = 13604]
4. Yeast hydrolysate [Option ID = 13605]
Correct Answer :-
- Yeast hydrolysate [Option ID = 13605]
A male genetic disorder caused by the presence of one or more extra X chromosomes is:

[Question ID = 3403]
1. Huntington's disease [Option ID = 13606]
2. Klinefelter syndrome [Option ID = 13607]
3. Creutzfeldt-Jakob disease [Option ID = 13608]
4. Alzheimer's disease [Option ID = 13609]
Correct Answer :-
- Klinefelter syndrome [Option ID = 13607]

--- Content provided by FirstRanker.com ---

Which one of these enzymes is not packaged inside a retrovirus particle?

[Question ID = 3404]
1. RNA dependent DNA polymerase [Option ID = 13610]
2. Integrase [Option ID = 13611]
3. Protease [Option ID = 13612]
4. Glycosylase [Option ID = 13613]
Correct Answer :-
- Glycosylase [Option ID = 13613]
Who was awarded Nobel Prize for the discovery of streptomycin?
--- Content provided by FirstRanker.com ---

[Question ID = 3405]
1. Selman A. Waksman [Option ID = 13614]
2. Paul Ehrlich [Option ID = 13615]
3. Elie Metchnikoff [Option ID = 13616]
4. Sergei N. Winogradsky [Option ID = 13617]
Correct Answer :-
- Selman A. Waksman [Option ID = 13614]
Which of the following organisms contribute maximally to global antibiotic production?

[Question ID = 3406]
--- Content provided by FirstRanker.com ---
1. Firmicutes [Option ID = 13618]
2. Proteobacteria [Option ID = 13619]
3. Halobacteria [Option ID = 13620]
4. Actinobacteria [Option ID = 13621]
Correct Answer :-
--- Content provided by FirstRanker.com ---
- Actinobacteria [Option ID = 13621]
Representatives of most major families of DNA viruses are associated with cancer, except:

[Question ID = 3407]
1. Poxviruses [Option ID = 13622]
2. Adenoviruses [Option ID = 13623]
3. Herpesviruses [Option ID = 13624]
4. Polyomaviruses [Option ID = 13625]
Correct Answer :-
- Poxviruses [Option ID = 13622]
Which of the following could be the reason for no expression of eukaryotic recombinant protein using an expression vector in E.coli?

[Question ID = 3408]
1. Addition of inducing agent [Option ID = 13626]
2. Growth of bacterial culture in presence of the antibiotic used to select for the recombinant plasmid [Option ID = 13627]
3. Codon bias [Option ID = 13628]
4. Eukaryotic proteins cannot ever be expressed in bacteria [Option ID = 13629]
Correct Answer :-
- Codon bias [Option ID = 13628]

--- Content provided by FirstRanker.com ---

The region in which bacteriochlorophyll can absorb light is:

[Question ID = 3409]
1. ultraviolet region [Option ID = 13630]
2. infrared region [Option ID = 13631]
3. visible region [Option ID = 13632]
4. short wavelength of visible range [Option ID = 13633]
Correct Answer :-
- infrared region [Option ID = 13631]
Ribavirin has been used in aerosol form to treat infants hospitalized with:
--- Content provided by FirstRanker.com ---

[Question ID = 3410]
1. Lassa fever [Option ID = 13634]
2. Respiratory syncytial virus infection [Option ID = 13635]
3. Bunyavirus infection [Option ID = 13636]
4. Hepatitis C virus infection [Option ID = 13637]
Correct Answer :-
- Respiratory syncytial virus infection [Option ID = 13635]
Introduction of oxygen into fermenting yeast leads to the cessation of ethanol fermentation, which is known as:

[Question ID = 3411]
--- Content provided by FirstRanker.com ---
1. Harden-Young effect [Option ID = 13638]
2. Pasteur effect [Option ID = 13639]
3. Crabtree effect [Option ID = 13640]
4. Winogradsky effect [Option ID = 13641]
Correct Answer :-
--- Content provided by FirstRanker.com ---
- Pasteur effect [Option ID = 13639]
Thermolabile biological material cannot be extracted from fermentation broth by use of which of the following techniques?

[Question ID = 3412]
1. Lyophilization [Option ID = 13642]
2. Sublimation [Option ID = 13643]
3. Ultrafiltration [Option ID = 13644]
4. Solvent extraction [Option ID = 13645]
Correct Answer :-
- Sublimation [Option ID = 13643]
The alpha-helix configuration found in proteins has:

[Question ID = 3413]
1. 3.4 amino acids per turn [Option ID = 13646]
2. 2 amino acids per turn [Option ID = 13647]
3. 4 amino acids per turn [Option ID = 13648]
4. 3.6 amino acids per turn [Option ID = 13649]
Correct Answer :-
- 3.6 amino acids per turn [Option ID = 13649]

--- Content provided by FirstRanker.com ---

Traditionally Koumiss is made from the milk of which of the following animals?

[Question ID = 3414]
1. Mare [Option ID = 13650]
2. Cow [Option ID = 13651]
3. Buffalo [Option ID = 13652]
4. Goat [Option ID = 13653]
Correct Answer :-
- Mare [Option ID = 13650]
In which of the following cases can a vaccine be used post-exposure to the virus?
--- Content provided by FirstRanker.com ---

[Question ID = 3415]
1. Hepatitis C virus [Option ID = 13654]
2. Rabies virus [Option ID = 13655]
3. Epstein Barr Virus [Option ID = 13656]
4. Poliovirus [Option ID = 13657]
Correct Answer :-
- Rabies virus [Option ID = 13655]
Which of the following combinations regulate gene expression?

[Question ID = 3416]
--- Content provided by FirstRanker.com ---
1. Promoter strength and DNA polymerase activity [Option ID = 13658]
2. Origin strength and DNA helicase activity [Option ID = 13659]
3. Histone acetylation and replisome stability [Option ID = 13660]
4. DNA methylation and mRNA stability [Option ID = 13661]
Correct Answer :-
--- Content provided by FirstRanker.com ---
- DNA methylation and mRNA stability [Option ID = 13661]
Which of the following microorganisms are used in yogurt preparation (1:1 ratio)?

[Question ID = 3417]
1. Lactobacillus delbrueckii and Streptococcus thermophilus [Option ID = 13662]
2. Streptococcus thermophilus and Lactobacillus lactis [Option ID = 13663]
3. Lactobacillus delbrueckii and Lactobacillus casei [Option ID = 13664]
4. Lactobacillus delbrueckii and Lactobacillus lactis [Option ID = 13665]
Correct Answer :-
- Lactobacillus delbrueckii and Streptococcus thermophilus [Option ID = 13662]
In 1952, this scientist published a paper that established the plaque assay as a means of counting viable animal viruses:

[Question ID = 3418]
1. John Enders [Option ID = 13666]
2. Frederick Robbins [Option ID = 13667]
3. Renato Dulbecco [Option ID = 13668]
4. James Watson [Option ID = 13669]
Correct Answer :-
- Renato Dulbecco [Option ID = 13668]

--- Content provided by FirstRanker.com ---

Which region of the host's chromosome can get transduced?

[Question ID = 3419]
1. Only the gal or bio regions can get transduced [Option ID = 13670]
2. Any region of the host can be transduced [Option ID = 13671]
3. The transducing particle is able to propagate itself subsequently [Option ID = 13672]
4. The transducing particle carries only host DNA [Option ID = 13673]
Correct Answer :-
- Only the gal or bio regions can get transduced [Option ID = 13670]
Anoxygenic bacterial photosynthesis uses the following as a chemical reductant:
--- Content provided by FirstRanker.com ---

[Question ID = 3420]
1. oxygen [Option ID = 13674]
2. water [Option ID = 13675]
3. hydrogen sulphide [Option ID = 13676]
4. ammonia [Option ID = 13677]
Correct Answer :-
- hydrogen sulphide [Option ID = 13676]
The concept of 'gene rearrangement in antibody production' was given by:

[Question ID = 3421]
--- Content provided by FirstRanker.com ---
1. Cesar Milstein [Option ID = 13678]
2. Susumu Tonegawa [Option ID = 13679]
3. Gerald Edelman [Option ID = 13680]
4. Peter Doherty [Option ID = 13681]
Correct Answer :-
--- Content provided by FirstRanker.com ---
- Susumu Tonegawa [Option ID = 13679]
Which of the following is an essential fatty acid?

[Question ID = 3422]
1. Oleic Acid [Option ID = 13682]
2. Lauric Acid [Option ID = 13683]
3. Alpha linolenic Acid [Option ID = 13684]
4. Palmitic Acid [Option ID = 13685]
Correct Answer :-
- Alpha - linolenic Acid [Option ID = 13684]
During food preservation, sodium nitrate is an effective agent against which of the following microorganisms under acidic conditions?

[Question ID = 3423]
1. Anaerobic microorganisms [Option ID = 13686]
2. Aerobic microorganisms [Option ID = 13687]
3. Acidophiles [Option ID = 13688]
4. Thermophiles [Option ID = 13689]
Correct Answer :-
- Anaerobic microorganisms [Option ID = 13686]

--- Content provided by FirstRanker.com ---

In birds, the lymphoid organ which is the primary site of B-cell maturation is:

[Question ID = 3424]
1. Bone marrow [Option ID = 13690]
2. Bursa of fabricius [Option ID = 13691]
3. Harderian gland [Option ID = 13692]
4. Germinal center [Option ID = 13693]
Correct Answer :-
- Bursa of fabricius [Option ID = 13691]
Which of the following would you use to determine if a mutation in a DNA-binding protein results in loss of DNA-binding function?
--- Content provided by FirstRanker.com ---

[Question ID = 3425]
1. Mass spectrometry [Option ID = 13694]
2. PACE [Option ID = 13695]
3. Chromatin immunoprecipitation [Option ID = 13696]
4. Electrophoretic mobility shift assay [Option ID = 13697]
Correct Answer :-
- Electrophoretic mobility shift assay [Option ID = 13697]
In general, the substances with molecular mass lower than this are poorly immunogenic

[Question ID = 3426]
--- Content provided by FirstRanker.com ---
1. 80-100 kDa [Option ID = 13698]
2. 30-50 kDa [Option ID = 13699]
3. 5-10 kDa [Option ID = 13700]
4. 1 kDa [Option ID = 13701]
Correct Answer :-
--- Content provided by FirstRanker.com ---
- 5-10 kDa [Option ID = 13700]
A competitive inhibitor of an enzyme:

[Question ID = 3427]
1. decreases Km without affecting Vmax [Option ID = 13702]
2. decreases Vmax without affecting Km [Option ID = 13703]
3. increases Vmax without affecting Km [Option ID = 13704]
4. increases Km without affecting Vmax [Option ID = 13705]
Correct Answer :-
- increases Km without affecting Vmax [Option ID = 13705]
The monoclonal antibodies that catalyze reactions are:

[Question ID = 3428]
1. Single chain antibodies [Option ID = 13706]
2. Single domain antibodies [Option ID = 13707]
3. Nanobodies [Option ID = 13708]
4. Abzymes [Option ID = 13709]
Correct Answer :-
- Abzymes [Option ID = 13709]

--- Content provided by FirstRanker.com ---

When radiolabelling DNA to make probes for Southern blotting you would use:

[Question ID = 3429]
1. RNA polymerase I [Option ID = 13710]
2. DNA polymerase I [Option ID = 13711]
3. Mung bean nuclease [Option ID = 13712]
4. Exonuclease III [Option ID = 13713]
Correct Answer :-
- DNA polymerase I [Option ID = 13711]
Chlorobium belongs to the following group of photosynthetic bacteria:
--- Content provided by FirstRanker.com ---

[Question ID = 3430]
1. Purple sulphur bacteria [Option ID = 13714]
2. Green sulphur bacteria [Option ID = 13715]
3. Purple non-sulphur bacteria [Option ID = 13716]
4. Green non-sulphur bacteria [Option ID = 13717]
Correct Answer :-
- Green sulphur bacteria [Option ID = 13715]
Class III MHC genes encode:

[Question ID = 3431]
--- Content provided by FirstRanker.com ---
1. Glycoproteins expressed primarily on antigen presenting cells [Option ID = 13718]
2. Glycoproteins expressed on surface of nearly all nucleated cells [Option ID = 13719]
3. Various secreted proteins that have immune functions like component of complement system [Option ID = 13720]
4. Proteins involved in mucosal immunity [Option ID = 13721]
Correct Answer :-
--- Content provided by FirstRanker.com ---
- Various secreted proteins that have immune functions like component of complement system [Option ID = 13720]
What is the source of inorganic phosphorus for plants?

[Question ID = 3432]
1. Inorganic sulfur from phytic acid [Option ID = 13722]
2. Inorganic nitrogen from phytic acid [Option ID = 13723]
3. Inorganic phosphorus from phytic acid [Option ID = 13724]
4. Inorganic arsenic from phytic acid [Option ID = 13725]
Correct Answer :-
- Inorganic phosphorus from phytic acid [Option ID = 13724]
The organisms which can use reduced inorganic compounds as electron donors are known as:

[Question ID = 3433]
1. chemotrophs [Option ID = 13726]
2. organotrophs [Option ID = 13727]
3. lithotrophs [Option ID = 13728]
4. phototrophs [Option ID = 13729]
Correct Answer :-
- lithotrophs [Option ID = 13728]

--- Content provided by FirstRanker.com ---

The complement system components that make 'membrane attack complex' are:

[Question ID = 3434]
1. C4b, C4c, C4d and C5a [Option ID = 13730]
2. C5, C6, C7, C8 and C9 [Option ID = 13731]
3. C5a, C6, C7, C8 and C9 [Option ID = 13732]
4. C5b, C6, C7, C8 and C9 [Option ID = 13733]
Correct Answer :-
- C5b, C6, C7, C8 and C9 [Option ID = 13733]
Rumen anaerobic fungi exist in relationship with _________ to increase the rate of cellulose breakdown in animals.
--- Content provided by FirstRanker.com ---

[Question ID = 3435]
1. Acetogens [Option ID = 13734]
2. Alkaliphiles [Option ID = 13735]
3. Acidophiles [Option ID = 13736]
4. Methanogens [Option ID = 13737]
Correct Answer :-
- Methanogens [Option ID = 13737]
Chediak-Higashi syndrome is a rare inherited disorder which is characterized by abnormal function of which type of cells of the immune system?

[Question ID = 3436]
--- Content provided by FirstRanker.com ---
1. B-cells [Option ID = 13738]
2. T-cells [Option ID = 13739]
3. Natural killer cells [Option ID = 13740]
4. Cytotoxic T cells [Option ID = 13741]
Correct Answer :-
--- Content provided by FirstRanker.com ---
- Natural killer cells [Option ID = 13740]
Which of the following is not essential for the survival and propagation of a eukaryotic chromosome?

[Question ID = 3437]
1. Origin [Option ID = 13742]
2. Centromere [Option ID = 13743]
3. Promoter [Option ID = 13744]
4. Telomere [Option ID = 13745]
Correct Answer :-
- Promoter [Option ID = 13744]
In respirometry, the evolution of labelled CO2 from which carbon of glucose represents operation of Entner Doudoroff pathway?

[Question ID = 3438]
1. C1 and C2 [Option ID = 13746]
2. C2 and C5 [Option ID = 13747]
3. C1 and C4 [Option ID = 13748]
4. C3 and C4 [Option ID = 13749]
This download link is referred from the post: DUET Last 10 Years 2011-2021 Question Papers With Answer Key || Delhi University Entrance Test conducted by the NTA

--- Content provided by FirstRanker.com ---

This post was last modified on 27 December 2020

Get the MBBS Question Bank Android App

q

Share This Post:

Share This Post: