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

This post was last modified on 27 December 2020

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

Topic:- BIOSCI MSC S2

Balbiani Rings occur in
[Question ID = 9207]
1. Autosomes [Option ID = 36822]
2. Hetrosomes [Option ID = 36823]
3. Polytene chromosomes [Option ID = 36824]
4. Lampbrush chromosomes [Option ID = 36825]
Correct Answer :-
- Polytene chromosomes [Option ID = 36824]

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Which of the following is NOT a type of cancer?
[Question ID = 9208]
1. Carcinomas [Option ID = 36826]
2. Sarcomas [Option ID = 36827]
3. Leukemia [Option ID = 36828]
4. Colitis [Option ID = 36829]
Correct Answer :-
- Colitis [Option ID = 36829]
If DNA is damaged, which of the following genes arrest cell cycle?
[Question ID = 9209]
1. Rb [Option ID = 36830]
2. p53 [Option ID = 36831]
3. Hedgehog receptor [Option ID = 36832]
4. p16 [Option ID = 36833]
Correct Answer :-
- p53 [Option ID = 36831]
Name the term where a single pre-mRNA is processed into a number of products?
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[Question ID = 9210]
1. Alternate splicing [Option ID = 36834]
2. Polyadenylation [Option ID = 36835]
3. Capping [Option ID = 36836]
4. Intron removal [Option ID = 36837]
Correct Answer :-
- Alternate splicing [Option ID = 36834]
What is the role of the sigma factor in transcription?
[Question ID = 9211]
1. Helicase action [Option ID = 36838]
2. Transcription initiation [Option ID = 36839]
3. Transcription elongation [Option ID = 36840]
4. Transcription termination [Option ID = 36841]
Correct Answer :-
- Transcription initiation [Option ID = 36839]
How many base pairs are there in every helical turn of Watson-Crick double helix model ?
[Question ID = 9212]
1. 32.3 [Option ID = 36842]
2. 20.6 [Option ID = 36843]
3. 10.4 [Option ID = 36845]
Correct Answer :-
- 10.4 [Option ID = 36845]
A purified DNA sample of leaf contains 20% of guanine. Calculate the approximate percentage of purine residues?
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[Question ID = 9213]
1. 30% [Option ID = 36846]
2. 40% [Option ID = 36847]
3. 50% [Option ID = 36848]
4. 60% [Option ID = 36849]
Correct Answer :-
- 50% [Option ID = 36848]
How many numbers of replicon are found in E.coli?
[Question ID = 9214]
1. Five replicon [Option ID = 36850]
2. Two replicon [Option ID = 36851]
3. Single replicon [Option ID = 36852]
4. Multiple replicon [Option ID = 36853]
Correct Answer :-
- Single replicon [Option ID = 36852]
What is the role of snoRNA in eukaryotes?
[Question ID = 9215]
1. Chemical modification of rRNA [Option ID = 36854]
2. RNA splicing [Option ID = 36855]
3. Act as adaptor RNA [Option ID = 36856]
4. Forms component of the ribosome [Option ID = 36857]
Correct Answer :-
- Chemical modification of rRNA [Option ID = 36854]

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Which of the following sequence of RNA is recognized by the small subunit of the ribosome?
[Question ID = 9216]
1. Rho utilization site [Option ID = 36858]
2. Downstream sequence [Option ID = 36859]
3. Upstream sequence [Option ID = 36860]
4. Shine-Dalgarno sequence [Option ID = 36861]
Correct Answer :-
- Shine-Dalgarno sequence [Option ID = 36861]
Which of the following acts as the major neurotransmitter in substantia nigra?
[Question ID = 9217]
1. Dopamine [Option ID = 36862]
2. Noradrenaline [Option ID = 36863]
3. Acetylcholine [Option ID = 36864]
4. Serotonin [Option ID = 36865]
Correct Answer :-
- Dopamine [Option ID = 36862]
The electrochemical equilibrium of a neuron can be calculated using which equation?
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[Question ID = 9218]
1. Bernouli equation [Option ID = 36866]
2. Henderson-Hassalbach equation [Option ID = 36867]
3. Leyden's equation [Option ID = 36868]
4. Nernst equation [Option ID = 36869]
Correct Answer :-
- Nernst equation [Option ID = 36869]
Which is true about composition of Blood?
[Question ID = 9219]
1. Plasma-55%, Protein/WBC-1%, RBC- 45% [Option ID = 36870]
2. Plasma-50%, Protein/WBC-3%, RBC- 47% [Option ID = 36871]
3. Plasma-55%, Protein/WBC-1%, RBC- 45% [Option ID = 36872]
Correct Answer :-
- Plasma-55%, Protein/WBC-1%, RBC- 45% [Option ID = 36870]
Which of the following statement is TRUE about the ear and hearing?
[Question ID = 9220]
1. The range of human hearing is from 20 Hz to 20 kHz [Option ID = 36874]
2. Conductive hearing loss would be evident if a person had a similar degree of hearing loss for air conduction and bone conduction [Option ID = 36875]
3. The ear is most sensitive to frequencies between about 100 Hz and 300 Hz [Option ID = 36876]
4. The endolymph of the scala media is similar in composition to plasma [Option ID = 36877]
Correct Answer :-
- The range of human hearing is from 20 Hz to 20 kHz [Option ID = 36874]
During isotonic contraction of a skeletal-muscle fibre, the
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[Question ID = 9221]
1. (1) Sarcomeres shorten [Option ID = 36878]
2. (2) A bands shorten [Option ID = 36879]
3. (3) I bands shorten [Option ID = 36880]
4. (4) 1 and 3 [Option ID = 36881]
Correct Answer :-
- (4) 1 and 3 [Option ID = 36881]
The rate-limiting factor in causing blood coagulation is
[Question ID = 9222]
1. Prothrombin activator [Option ID = 36882]
2. Thrombin [Option ID = 36883]
3. Fibrinogen [Option ID = 36884]
4. Fibrin stabilizing factor [Option ID = 36885]
Correct Answer :-
- Prothrombin activator [Option ID = 36882]
In different types of tissue transplantations, the rate of graft rejection in decreasing order is
[Question ID = 9223]
1. Isograft > xenograft > allograft [Option ID = 36886]
2. Allograft > isograft > xenograft [Option ID = 36887]
3. Xenograft > autograft > allograft [Option ID = 36888]
4. Xenograft > allograft > isograft [Option ID = 36889]
Correct Answer :-
- Xenograft > allograft > isograft [Option ID = 36889]

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Reticulo-endothelial cells are present in
[Question ID = 9224]
1. Kidney, Spleen & Bone marrow [Option ID = 36890]
2. Lung, Spleen & Bone marrow [Option ID = 36891]
3. Liver, Spleen & Bone marrow [Option ID = 36892]
4. Intestine, Spleen & Bone marrow [Option ID = 36893]
Correct Answer :-
- Liver, Spleen & Bone marrow [Option ID = 36892]
The central foveal region in eye contains
[Question ID = 9225]
1. Only rods [Option ID = 36894]
2. Both rods and cones [Option ID = 36895]
3. Only cones [Option ID = 36896]
4. Neither rods nor cones [Option ID = 36897]
Correct Answer :-
- Only cones [Option ID = 36896]
1 osmole of solute dissolved in each of water
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[Question ID = 9226]
1. 1 osmole of solute Dissolved in each kg of water [Option ID = 36899]
2. 1 osmole of solute dissolved in each L of water [Option ID = 36900]
3. 1 osmole of solute dissolved in each mL of water [Option ID = 36901]
Correct Answer :-
- 1 osmole of solute dissolved in each kg of water [Option ID = 36899]

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Methioninine Synthase is a dependent Enzyme
[Question ID = 9227]
1. Vitamin B3 [Option ID = 36902]
2. Vitamin B6 [Option ID = 36903]
3. Vitamin B12 [Option ID = 36904]
4. Vitamin B61 [Option ID = 36905]
Correct Answer :-
- Vitamin B12 [Option ID = 36904]
Hypertension of unknown etiology is represented by
[Question ID = 9228]
1. (1) Essential hypertension [Option ID = 36906]
2. (2) Toxemia of pregnancy [Option ID = 36907]
3. (3) Acute intermittent porphyria [Option ID = 36908]
4. (4) 1 and 3 [Option ID = 36909]
Correct Answer :-
- (1) Essential hypertension [Option ID = 36906]
Which of the following drugs is a ganglionic blocker?
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[Question ID = 9229]
1. Prazosin [Option ID = 36910]
2. Ydralazine [Option ID = 36911]
3. Mecamylamine [Option ID = 36912]
4. Nicardipine [Option ID = 36913]
Correct Answer :-
- Mecamylamine [Option ID = 36912]
Dramatic decrease in systemic availability of a drug following oral administration is most likely due to
[Question ID = 9230]
1. Extreme drug instability at stomach pH [Option ID = 36914]
2. Hepatic "first-pass" effect [Option ID = 36915]
3. Drug metabolized by gut flora [Option ID = 36916]
4. Patient non-compliance [Option ID = 36917]
Correct Answer :-
- Hepatic "first-pass" effect [Option ID = 36915]
Type(s) of derivatives associated with phase II metabolic reactions include(s)
[Question ID = 9231]
1. (1) Glucuronide acid derivatives [Option ID = 36918]
2. (2) Sulfation derivative [Option ID = 36919]
3. (3) Neither [Option ID = 36920]
4. (4) Both 1 and 2 [Option ID = 36921]
Correct Answer :-
Which of the following is the characteristic(s) of aspirin overdose?
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[Question ID = 9232]
1. (1) Pyloric valve spasm [Option ID = 36922]
2. (2) Acidity [Option ID = 36923]
3. (3) Both 1 and 2 [Option ID = 36924]
4. (4) Neither [Option ID = 36925]
Correct Answer :-
- (3) Both 1 and 2 [Option ID = 36924]
Which of the following is effective in the management of mild to moderate pain, when anti-inflammatory action is not necessary?
[Question ID = 9233]
1. Penicillamine [Option ID = 36926]
2. Sulfasalazine [Option ID = 36927]
3. Acetaminophen [Option ID = 36928]
4. Piroxicam [Option ID = 36929]
Correct Answer :-
- Acetaminophen [Option ID = 36928]
Risk differs from hazard in that, the risk
[Question ID = 9234]
1. Includes a consideration of the likelihood and severity [Option ID = 36930]
2. Is determined by toxicity studies [Option ID = 36931]
3. Can only be assessed by trained professionals [Option ID = 36932]
4. Is independent of exposure [Option ID = 36933]
Correct Answer :-
- Includes a consideration of the likelihood and severity [Option ID = 36930]

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Which of the following drugs work by inhibiting the enzyme acetylcholinesterase?
[Question ID = 9235]
1. Neostigmine [Option ID = 36934]
2. Cyclizine [Option ID = 36935]
3. Montelukast [Option ID = 36936]
4. Fentanyl [Option ID = 36937]
Correct Answer :-
- Neostigmine [Option ID = 36934]
Which type of epilepsy is treated with Ethosuximide ?
[Question ID = 9236]
1. Tonic-clonic seizures [Option ID = 36938]
2. Lennox-Gastaut syndrome seizures [Option ID = 36939]
3. Absence seizures [Option ID = 36940]
4. All of these [Option ID = 36941]
Correct Answer :-
- Absence seizures [Option ID = 36940]
Which statement is true for competitive inhibition?
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[Question ID = 9237]
1. In competitive inhibit the addition of agonist shifts the dose response curve to the right [Option ID = 36942]
2. In competitive inhibition may be irreversible [Option ID = 36944]
3. Competitive inhibition has the ability to activate the receptor
Correct Answer :-
- In competitive inhibition, the addition of agonist shifts the dose response curve to the right [Option ID = 36942]

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The enzyme ultimately responsible for the formation of fibrin monomer is
[Question ID = 9238]
1. Plasminogen [Option ID = 36946]
2. Thrombin [Option ID = 36947]
3. Kininogen [Option ID = 36948]
4. Prothrombin [Option ID = 36949]
Correct Answer :-
- Thrombin [Option ID = 36947]
Paracrine secretion responsible for inhibiting gastric acid secretion is
[Question ID = 9239]
1. Somatostatin [Option ID = 36950]
2. Gastrin [Option ID = 36951]
3. Histamine [Option ID = 36952]
4. Enterogastrone [Option ID = 36953]
Correct Answer :-
- Somatostatin [Option ID = 36950]
The percentage of hemoglobin saturated with oxygen will increase, if
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[Question ID = 9240]
1. The arterial pCO2 is increased [Option ID = 36954]
2. The temperature is increased [Option ID = 36955]
3. The arterial pO2 is increased [Option ID = 36956]
4. The arterial pH is decreased [Option ID = 36957]
Correct Answer :-
- The arterial pO2 is increased [Option ID = 36956]
Which of the following statement about spermatogenesis is correct?
[Question ID = 9241]
1. Production and release of spermatozoa is cyclic [Option ID = 36958]
2. LH acts directly on sertoli cells to promote cell division [Option ID = 36959]
3. Sertoli cells are required for mitotic and meiotic activity of germ cells [Option ID = 36960]
4. Spermatogenesis requires continuous release of GnRH [Option ID = 36961]
Correct Answer :-
- Sertoli cells are required for mitotic and meiotic activity of germ cells [Option ID = 36960]
Plasma levels of calcium can be increased most rapidly by the direct action of parathyroid hormone on the
[Question ID = 9242]
1. Kidney [Option ID = 36962]
2. Bones [Option ID = 36963]
3. Thyroid gland [Option ID = 36964]
4. Intestine [Option ID = 36965]
Correct Answer :-
- Bones [Option ID = 36963]

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Transcortical sensory aphasia is most likely to be associated with a lesion of
[Question ID = 9243]
1. The hippocampus [Option ID = 36966]
2. The temporal lobe [Option ID = 36967]
3. The parietal lobe [Option ID = 36968]
4. The limbic system [Option ID = 36969]
Correct Answer :-
heni piset parsone is 'dehydrated, hypotonic solution is found in the
[Question ID = 9244]
1. Glomerular filtrate [Option ID = 36970]
2. Loop of Henle [Option ID = 36971]
3. Cortical collecting tubule [Option ID = 36972]
4. Distal collecting duct [Option ID = 36973]
Correct Answer :-
- Loop of Henle [Option ID = 36971]
The principal steroid secreted by the fetal adrenal cortex is
[Question ID = 9245]
1. Dehydroepiandrosterone [Option ID = 36974]
2. Corticosterone [Option ID = 36975]
3. Cortisol [Option ID = 36976]
4. Pregnenolone [Option ID = 36977]
Correct Answer :-
- Dehydroepiandrosterone [Option ID = 36974]

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Vaccination is a form of
[Question ID = 9246]
1. (1) Active immunization [Option ID = 36978]
2. (2) Passive immunization [Option ID = 36979]
3. (3) Both [Option ID = 36980]
4. (4) Neither [Option ID = 36981]
Correct Answer :-
- (3) Both [Option ID = 36980]
Which of the following diseases is associated with angiogenesis?
[Question ID = 9247]
1. Diabetes [Option ID = 36982]
2. Cancer [Option ID = 36983]
3. Asthma [Option ID = 36984]
4. AIDS [Option ID = 36985]
Correct Answer :-
- Cancer [Option ID = 36983]
The F1 particles of mitochondria are
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[Question ID = 9248]
1. A type of ribosome that synthesizes mitochondrial proteins [Option ID = 36986]
2. A structural component of the mitochondrial outer membrane [Option ID = 36987]
3. An enzyme complex that synthesizes ATP during respiration [Option ID = 36988]
4. Storage complex for calcium phosphate in the mitochondria [Option ID = 36989]
Correct Answer :-
- An enzyme complex that synthesizes ATP during respiration [Option ID = 36988]
Rheumatoid arthritis is an example of
[Question ID = 9249]
1. Type I hypersensitive reaction [Option ID = 36990]
2. Type II hypersensitive reaction [Option ID = 36991]
3. Type III hypersensitive reaction [Option ID = 36992]
4. Type IV hypersensitive reaction [Option ID = 36993]
Correct Answer :-
- Type III hypersensitive reaction [Option ID = 36992]
Cystic fibrosis transmembrane conductance regulator (CFTR) is an ion channel specific for
[Question ID = 9250]

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[Option ID = 36995]
1. Cl [Option ID = 36996]
2. H+ [Option ID = 36997]
Correct Answer :-
- CL [Option ID = 36996]
Under which phase of bacterial growth bacteria increases in size but do not divide?
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[Question ID = 9251]
1. Lag [Option ID = 36998]
2. Log [Option ID = 36999]
3. Stationary phase [Option ID = 37000]
4. Death phase [Option ID = 37001]
Correct Answer :-
- Lag [Option ID = 36998]
Which of the following features of HIV make it different from other members of this family?
[Question ID = 9252]
1. HIV uses reverse transcriptase to convert its RNA genome into cDNA [Option ID = 37002]
2. HIV infects human cells that are CD4+ [Option ID = 37003]
3. HIV is enveloped [Option ID = 37004]
4. HIV encoded a number of small proteins such as tat and rev [Option ID = 37005]
Correct Answer :-
- HIV uses reverse transcriptase to convert its RNA genome into cDNA [Option ID = 37002]
Sulfur oxidizing bacteria belongs to
[Question ID = 9253]
1. Chemoheterotroph [Option ID = 37006]
2. Chemolithoautotroph [Option ID = 37007]
3. Chemolithoheterotroph [Option ID = 37008]
4. Photolithoautotroph [Option ID = 37009]
Correct Answer :-
- Chemolithoautotroph [Option ID = 37007]

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RNA as a genetic material is found in, which of the following organism?
[Question ID = 9254]
1. Plasmodium [Option ID = 37010]
2. Staphylococcus aureus [Option ID = 37011]
3. Schizosaccharomycescerevisiae [Option ID = 37012]
4. Poliovirus [Option ID = 37013]
Correct Answer :-
- Poliovirus [Option ID = 37013]
Severe Acute Respiratory Syndrome (SARS) is
y variant of Pneumococcus pneumonia
[Option ID = 37014]
1. Caused by a variant of common cold virus [Option ID = 37015]
2. An acute form of asthma [Option ID = 37016]
3. Related to all of these [Option ID = 37017]
Correct Answer :-
- Caused by a variant of common cold virus [Option ID = 37015]
Viruses can be cultured in
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[Question ID = 9256]
1. (1) Chemically defined media as that used for bacteria [Option ID = 37018]
2. (2) Living system only [Option ID = 37019]
3. (3) Non-living matter also [Option ID = 37020]
4. (4) Both 1 and 2 [Option ID = 37021]
Correct Answer :-
- (2) Living system only [Option ID = 37019]
Which of the following fungi is a rich source of protein?
[Question ID = 9257]
1. Mushroom [Option ID = 37022]
2. Aspergillus [Option ID = 37023]
3. Penicillum [Option ID = 37024]
4. Mucor [Option ID = 37025]
Correct Answer :-
- Mushroom [Option ID = 37022]
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

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This post was last modified on 27 December 2020

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