Download DUET Master 2018 DU MPhil Phd in Zoology Question Paper With Answer Key

Download DUET (Delhi University Entrance Test conducted by the NTA) 2018 DU MPhil Phd in Zoology Question Paper With Solution Key

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

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DU MPhil Phd in Zoology

Topic:- DU_J18_MPHIL_ZOO

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When the blastema forms after amputation of a newt limb, what processes must the cells undergo in order for regeneration to occur? [Question ID = 925]
1. The cells must only begin to divide for regeneration to occur [Option ID = 3697]
2. The cells must simply dedifferentiate in order for regeneration to occur [Option ID = 3698]
3. Some cells in the blastema will transdifferentiate after amputation, and this allows regeneration to proceed. [Option ID = 3699]
4. Differentiation, cell division, transdifferentiation, and formation of an AER-like function are all involved. [Option ID = 3700]
Correct Answer :-
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Differentiation, cell division, transdifferentiation, and formation of an AER-like function are all involved. [Option ID = 3700]
A substance that enhances the body's immune response is termed as [Question ID = 1011]
1. Allergen [Option ID = 4041]
2. Adjuvant [Option ID = 4043]
3. Vaccine [Option ID = 4044]
4. Immunogen [Option ID = 4042]
Correct Answer :-

• Adjuvant [Option ID = 4043]
Damage to which organ would lead to all 3 problems: lack of homeostasis, increased urine production, and edema (swelling of body parts). [Question ID = 944]
1. heart [Option ID = 3775]
2. kidney [Option ID = 3773]
3. lungs [Option ID = 3776]
4. liver [Option ID = 3774]
Correct Answer :-

liver [Option ID = 3774]
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Bacterial cell wall is made up of [Question ID = 965]
1. Both N-acetyl glucosamine + N-acetyl muramic acidb [Option ID = 3859]
2. N-acetyl muramic acid [Option ID = 3858]
3. N-acetyl glucosamine, N-acetyl muramic acid and amino acids [Option ID = 3860]
4. N-acetyl glucosamine [Option ID = 3857]
Correct Answer :-

• N-acetyl glucosamine, N-acetyl muramic acid and amino acids [Option ID = 3860]
Which component(s) of complement could be missing and still leave the remainder of the complement system capable of activation by the alternative pathway? [Question ID = 976]
1. C1, C2, and C3 [Option ID = 3901]
2. C1, C2, and C4 [Option ID = 3904]
3. C3 only [Option ID = 3902]
4. C2, C3, and C4 [Option ID = 3903]
Correct Answer :-

• C1, C2, and C4 [Option ID = 3904]

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Which of the following statement is TRUE regarding antigen [Question ID = 1010]
1. Antibodies can be generated against a low molecular weight molecule if attached to a large carrier molecule [Option ID = 4040]
2. Homopolymer are more immunogenic than heteropolymer [Option ID = 4039]
3. An antigen generally has one epitope [Option ID = 4038]
4. Generally self-molecules and molecules with low molecular weight are immunogenic [Option ID = 4037]
Correct Answer :-
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Antibodies can be generated against a low molecular weight molecule if attached to a large carrier molecule [Option ID = 4040]
Angiotensinogen is a protein produced and secreted by [Question ID = 943]
1. liver cells [Option ID = 3772]
2. macula densa cells [Option ID = 3770]
3. endothelial cells lining the blood vessels [Option ID = 3771]
4. juxtaglomerular (JG) cells [Option ID = 3769]
Correct Answer :-

liver cells [Option ID = 3772]
Eukaryotic RNA polymerase(s) that is/are most sensitive to a-amenetin [Question ID = 1012]
1. Both RNA Pol I and III [Option ID = 4048]
2. RNA Pol II [Option ID = 4046]
3. RNA Pol I [Option ID = 4045]
4. RNA Pol III [Option ID = 4047]
Correct Answer :-

RNA Pol II [Option ID = 4046]
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A species of fish is found to require a certain temperature, a particular oxygen content of the water, a particular depth, and a rocky substrate at the bottom. These requirements are part of its [Question ID = 919]
1. prime habitat [Option ID = 3674]
2. resource partition [Option ID = 3675]
3. home base [Option ID = 3676]
4. ecological niche [Option ID = 3673]
Correct Answer :-

ecological niche [Option ID = 3673]
Which of the following DOES NOT represent a potential threat to biodiversity? [Question ID = 917]
1. importing a European insect into the United States to control an undesirable weed [Option ID = 3665]
2. harvesting all of the oysters from an oyster bed off the Atlantic coast [Option ID = 3668]
3. letting previously used farmland go fallow and begin to fill with weeds and shrubs [Option ID = 3666]
4. building a new mall on a previously unoccupied piece of midwestern prairie. [Option ID = 3667]
Correct Answer :-

• letting previously used farmland go fallow and begin to fill with weeds and shrubs [Option ID = 3666]

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Hutchinson-Gilford progeria syndrome is caused by mutation in which of the following gene? [Question ID = 935]
1. BCL2 [Option ID = 3739]
2. LMNA [Option ID = 3737]
3. TGF-ß [Option ID = 3738]
4. CD4 [Option ID = 3740]
Correct Answer :-
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LMNA [Option ID = 3737]
Which of the following is the major function of the lymphoid system? [Question ID = 970]
1. inflammation [Option ID = 3878]
2. phagocytosis [Option ID = 3879]
3. innate immunity [Option ID = 3877]
4. acquired immunity [Option ID = 3880]
Correct Answer :-

acquired immunity [Option ID = 3880]
D region of the Immunoglobulin genes impart variability to [Question ID = 1005]
1. CDR2 [Option ID = 4018]
2. CDR3 [Option ID = 4019]
3. CDR1 and CDR2 [Option ID = 4020]
4. CDR1 [Option ID = 4017]
Correct Answer :-

CDR3 [Option ID = 4019]
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Database of current sequence map of human genome is called [Question ID = 966]
1. OMIM [Option ID = 3861]
2. Golden Path [Option ID = 3863]
3. HGMD [Option ID = 3862]
4. Gene Cards [Option ID = 3864]
Correct Answer :-

Golden Path [Option ID = 3863]
Which of the following is correct about amphibians? [Question ID = 995]
1. Egg: Telolecithal; Cleavage: Radial Holoblastic; Blastula: Coleoblastula [Option ID = 3980]
2. Egg: Macrolecithal; Cleavage: Discoidal Meroblastic; Blastula: Discoblastula [Option ID = 3978]
3. Egg: Mesolecithal; Cleavage: Radial Holoblastic; Blastula: Coleoblastula [Option ID = 3977]
4. Egg: Mesolecithal; Cleavage: Rotational Holoblastic; Blastula: Discoblastula [Option ID = 3979]
Correct Answer :-

Egg: Mesolecithal; Cleavage: Radial Holoblastic; Blastula: Coleoblastula [Option ID = 3977]

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Central fluid filled cavity of blastula is known as [Question ID = 968]
1. Archenteron [Option ID = 3869]
2. Blastocoel [Option ID = 3870]
3. Blastocyst [Option ID = 3871]
4. Morula [Option ID = 3872]
Correct Answer :-
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Blastocoel [Option ID = 3870]
Patau's syndrome occur due to [Question ID = 969]
1. Trisomy of 21th chromosome [Option ID = 3874]
2. Trisomy of 22th chromosome [Option ID = 3875]
3. Trisomy of 13th chromosome [Option ID = 3876]
4. Trisomy of 18th chromosome [Option ID = 3873]
Correct Answer :-

Trisomy of 13th chromosome [Option ID = 3876]
Kupffer's vesicle is responsible for [Question ID = 998]
1. left-right asymmetry [Option ID = 3992]
2. activating organizer genes [Option ID = 3991]
3. anterior-posterior axis formation [Option ID = 3990]
4. inhibiting BMP-signaling [Option ID = 3989]
Correct Answer :-

• left-right asymmetry [Option ID = 3992]
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Communication in Bees by special behavioural (dance) moments was discovered by [Question ID = 967]
1. I. Pavlov [Option ID = 3868]
2. Karl Von Frisch [Option ID = 3866]
3. T.H. Morgan [Option ID = 3865]
4. Robert Koch [Option ID = 3867]
Correct Answer :-

Karl Von Frisch [Option ID = 3866]
Homopolymeric single stranded tail is added by use of [Question ID = 1014]
1. Exonucleases [Option ID = 4056]
2. Terminal deoxynucleotidyltransferase [Option ID = 4053]
3. Endonucleases [Option ID = 4055]
4. Lyases [Option ID = 4054]
Correct Answer :-

Terminal deoxynucleotidyltransferase [Option ID = 4053]

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Stereocilia contain [Question ID = 979]
1. Intermediate filaments [Option ID = 3914]
2. Microtubules [Option ID = 3913]
3. Microtubules and microfilaments [Option ID = 3915]
4. Microfilaments [Option ID = 3916]
Correct Answer :-
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Microfilaments [Option ID = 3916]
Which of the following is NOT an attribute of microsatellite? [Question ID = 993]
1. Inherited in Mendelian manner [Option ID = 3972]
2. Found in regulatory regions of the genome [Option ID = 3971]
3. Range from 1-13 base pair [Option ID = 3970]
4. Tract of repetitive DNA [Option ID = 3969]
Correct Answer :-

Found in regulatory regions of the genome [Option ID = 3971]
Which immunoglobulin is responsible for anaphylactic response [Question ID = 1008]
1. IgA [Option ID = 4031]
2. IgM [Option ID = 4029]
3. IgE [Option ID = 4032]
4. IgG [Option ID = 4030]
Correct Answer :-

• IgE [Option ID = 4032]
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Amino acids are transferred by tRNA for protein synthesis. Select the correct statement : [Question ID = 960]
1. Two tRNA for each amino acid [Option ID = 3839]
2. Multiple tRNA for most of the amino acids [Option ID = 3838]
3. Same tRNA carries all amino acids [Option ID = 3840]
4. Only one tRNA for each amino acid [Option ID = 3837]
Correct Answer :-

Multiple tRNA for most of the amino acids [Option ID = 3838]
The Fc regions of antibody [Question ID = 963]
1. Confers biological activity [Option ID = 3851]
2. Is not a requirement of placental transmission [Option ID = 3852]
3. Contains both heavy and light chains [Option ID = 3849]
4. Is required for antigen binding [Option ID = 3850]
Correct Answer :-

Confers biological activity [Option ID = 3851]

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In mammalian system, Hox9-Hox10 expression pattern governs which vertebral pattern boundary? [Question ID = 999]
1. Cervical-Thoracic boundary [Option ID = 3993]
2. Lumber-Sacral boundary [Option ID = 3995]
3. Thoracic-Lumber boundary [Option ID = 3994]
4. Sacral-Coudal boundary [Option ID = 3996]
Correct Answer :-
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Thoracic-Lumber boundary [Option ID = 3994]
Large triplet repeat expansions can be detected by: [Question ID = 933]
1. Polymerase chain reaction [Option ID = 3729]
2. Single strand conformational polymorphism analysis [Option ID = 3730]
3. Western blotting [Option ID = 3732]
4. Southern blotting [Option ID = 3731]
Correct Answer :-

Southern blotting [Option ID = 3731]
Which of the following gene is a key player in insulin signaling pathway and regulates aging. [Question ID = 924]
1. Wnt [Option ID = 3695]
2. DAF-2 [Option ID = 3693]
3. Sonic hedgehog [Option ID = 3694]
4. Pax-6 [Option ID = 3696]
Correct Answer :-

DAF-2 [Option ID = 3693]
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A person receiving an injection of gamma globulin as protection against hepatitis is an example of [Question ID = 941]
1. naturally acquired passive immunity [Option ID = 3762]
2. naturally acquired active immunity [Option ID = 3761]
3. artificially acquired active immunity [Option ID = 3763]
4. artificially acquired passive immunity [Option ID = 3764]
Correct Answer :-

artificially acquired passive immunity [Option ID = 3764]
The behavior in which one animal is aggressive or attacks another animal, the other responds by returning the aggression or submitting is called: [Question ID = 921]
1. Agnostic [Option ID = 3681]
2. Hierarchy [Option ID = 3683]
3. Territory [Option ID = 3682]
4. Altruism [Option ID = 3684]
Correct Answer :-

Agnostic [Option ID = 3681]

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If interaction between two species can be shown as + for beneficial, - for detrimental, and 0 for neither, which of the following represents commensalism? [Question ID = 951]
1. +, + [Option ID = 3801]
2. +, - [Option ID = 3802]
3. 0, - [Option ID = 3804]
4. +, 0 [Option ID = 3803]
Correct Answer :-
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+, 0 [Option ID = 3803]
BLAST stands for [Question ID = 982]
1. Basic Logical Alignment Search Tool [Option ID = 3927]
2. Basic Local Assessment Search Tool [Option ID = 3928]
3. Basic Local Alignment Search Tool [Option ID = 3926]
4. BioLogical Alignment Search Tool [Option ID = 3925]
Correct Answer :-

Basic Local Alignment Search Tool [Option ID = 3926]
The phenomenon of bioluminescence involves the activity of the enzyme [Question ID = 948]
1. luciferase [Option ID = 3791]
2. rubisco [Option ID = 3792]
3. lyases [Option ID = 3790]
4. cytochrome P-450 [Option ID = 3789]
Correct Answer :-

luciferase [Option ID = 3791]
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The part of the human brain which is an important relay station for the sensory impulses and also is the origin of many of the involuntary acts of the eye such as the narrowing of the pupil in bright light is the: [Question ID = 945]
1. cerebellum [Option ID = 3780]
2. hypothalamus [Option ID = 3777]
3. midbrain [Option ID = 3778]
4. corpus callosum [Option ID = 3779]
Correct Answer :-

midbrain [Option ID = 3778]
The proximate causes of behavior are interactions with the environment, but behavior is ultimately shaped by [Question ID = 920]
1. sexuality [Option ID = 3679]
2. the nervous system [Option ID = 3678]
3. pheromones [Option ID = 3680]
4. evolution [Option ID = 3677]
Correct Answer :-

evolution [Option ID = 3677]

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Two barnacles, Balanus and Chthamalus, can both survive on the lower rocks just above the low tide line on the Scottish coast, but only Balanus actually does so, with Chthamalus adopting a higher zone. Which of the following best accounts for this niche separation? [Question ID = 918]
1. mutualism [Option ID = 3669]
2. predation of Chthamalus by Balanus [Option ID = 3670]
3. competitive exclusion [Option ID = 3671]
4. cooperative displacement [Option ID = 3672]
Correct Answer :-
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competitive exclusion [Option ID = 3671]
In size exclusion chromatography, the smallest molecule is eluted [Question ID = 962]
1. Smallest molecule comes along with largest molecule [Option ID = 3848]
2. Smallest molecule not eluted [Option ID = 3847]
3. In the last fractions of protein [Option ID = 3846]
4. In the initial fractions of protein [Option ID = 3845]
Correct Answer :-

In the last fractions of protein [Option ID = 3846]
In a diagnostic laboratory a technician prepared plastic assay plates for ELISA by coating a solution of the antigen, gp120 (a glycoprotein derived from the human immunodeficiency virus, the etiologic agent of AIDS), to the plastic surface. Several samples of serum from suspected infected individuals were tested for the presence of antibodies to gp120. When the assay was performed, all the test samples were positive, including control samples that were known not to contain anti-gp120 antibodies. What explanation best fits the facts? [Question ID = 975]
1. The technician put too much antigen on the plates. [Option ID = 3898]
2. The technician forgot to "block" the plates with a control protein. [Option ID = 3897]
3. The fluorescent labeling compound dissociated from the labeled antibody. [Option ID = 3900]
4. The developing labeled anti-immunoglobulin was not added. [Option ID = 3899]
Correct Answer :-

The technician forgot to "block" the plates with a control protein. [Option ID = 3897]
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CO2 dissociates from carbamino-haemoglobin when [Question ID = 950]
1. pCO2 is high and pO2 is low [Option ID = 3798]
2. PCO2 and pO2 are equal [Option ID = 3799]
3. PCO2 and pO2 are low [Option ID = 3800]
4. pCO2 is low and pO2 is high [Option ID = 3797]
Correct Answer :-

• PCO2 is low and pO2 is high [Option ID = 3797]
What is the major concern of using retroviral vectors to deliver or activate pluripotent genes? [Question ID = 928]
1. Vector and transgenes remain in the genome and can be reactivated in differentiated cells [Option ID = 3711]
2. Plasmid diluted as iPS cells divide [Option ID = 3710]
3. The vector integrates but is excised by the transposase [Option ID = 3712]
4. Not very efficient and needs repeated transfections [Option ID = 3709]
Correct Answer :-

Vector and transgenes remain in the genome and can be reactivated in differentiated cells [Option ID = 3711]

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A 150kDa IgG antibody was digested with papain and subjected to beta-marcaptoethanol treatment and examined on SDS-PAGE, the expected band sizes will be [Question ID = 53388]
1. 22-25kDa [Option ID = 93540]
2. 100kDa [Option ID = 93538]
3. DU_J18_DU [Option ID = 93539]
4. 50 & 25kDa [Option ID = 93541]
Correct Answer :-
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22-25kDa [Option ID = 93540]
Knocking out Beta-catenin in frog embryo will result in [Question ID = 996]
1. Dorsalization of embryo [Option ID = 3984]
2. Lack of dorsal structures [Option ID = 3983]
3. Lack of posterior structures [Option ID = 3982]
4. Lack of anterior structures [Option ID = 3981]
Correct Answer :-

Lack of dorsal structures [Option ID = 3983]
A structure unique to mammalian development is the formation of placenta. Which of the following gives rise to placenta? [Question ID = 1000]
1. Epiblast [Option ID = 3997]
2. Inner cell mass [Option ID = 4000]
3. Trophectoderm [Option ID = 3998]
4. Hypoblast [Option ID = 3999]
Correct Answer :-

Trophectoderm [Option ID = 3998]
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Secretory component is associated with [Question ID = 1004]
1. IgA only [Option ID = 4015]
2. IgM & IgA [Option ID = 4014]
3. IgM & IgD [Option ID = 4016]
4. IgM only [Option ID = 4013]
Correct Answer :-

• IgA only [Option ID = 4015]
DNA can be synthesized from RNA using: [Question ID = 954]
1. DNA-dependent RNA polymerase [Option ID = 3814]
2. RNA-dependent RNA polymerase [Option ID = 3816]
3. RNA-dependent DNA polymerase [Option ID = 3815]
4. DNA-dependent DNA polymerase [Option ID = 3813]
Correct Answer :-

• RNA-dependent DNA polymerase [Option ID = 3815]

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Removal of the bursa of Fabricius from a chicken results in [Question ID = 971]
1. anemia. [Option ID = 3882]
2. delayed rejection of skin graft. [Option ID = 3883]
3. a markedly decreased number of circulating T lymphocytes. [Option ID = 3881]
4. low levels of antibodies in serum. [Option ID = 3884]
Correct Answer :-
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low levels of antibodies in serum. [Option ID = 3884]
In mammals, carbohydrates are stored in the form of [Question ID = 929]
1. glycogen in liver and muscles [Option ID = 3714]
2. lactic acid in spleen [Option ID = 3716]
3. glycogen in muscles only [Option ID = 3715]
4. glucose in liver [Option ID = 3713]
Correct Answer :-

glycogen in liver and muscles [Option ID = 3714]
What happens if you introduce the gene myoD into fibroblast cells growing in culture? [Question ID = 932]
1. The fibroblasts will undergo apoptosis, due to the abnormal effects of myoD on their normal differentiation. [Option ID = 3727]
2. The fibroblasts will express muscle-specific proteins, fuse, and form functional muscle in culture. [Option ID = 3725]
3. Nothing will happen because fibroblasts are derived from a different cell population in the embryo than are the muscle precursors that respond to myoD [Option ID = 3726]
4. myoD will activate expression of myogenin, but the muscle-specific genes will not be able to activate. [Option ID = 3728]
Correct Answer :-

The fibroblasts will express muscle-specific proteins, fuse, and form functional muscle in culture. [Option ID = 3725]
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Which of the following conditions is caused by a trinucleotide (triplet) repeat expansion? [Question ID = 934]
1. Cystic fibrosis [Option ID = 3733]
2. Huntington disease [Option ID = 3735]
3. Osteogenesis imperfect [Option ID = 3736]
4. Duchenne muscular dystrophy [Option ID = 3734]
Correct Answer :-

Huntington disease [Option ID = 3735]
Where are the stem cells that renew the epithelium of the gut found? [Question ID = 926]
1. in the bone marrow [Option ID = 3701]
2. in the villi, underlying the dead outer layer of keratinocyte [Option ID = 3703]
3. in the inner cell mass [Option ID = 3702]
4. near the bottom of the crypt [Option ID = 3704]
Correct Answer :-

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 29 January 2020

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