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Download DUET Master 2018 DU MSc Microbiology Question Paper With Answer Key

Download DUET (Delhi University Entrance Test conducted by the NTA) 2018 DU MSc Microbiology 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

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DU MSc Microbiology

Topic:- DU_J18_MSC_MICRO

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Sanger's method of sequencing is: [Question ID = 51724]
1. Sequencing by chain synthesis [Option ID = 86888]
2. Sequencing by chain cleavage [Option ID = 86890]
3. Sequencing by chain termination [Option ID = 86889]
4. Sequencing by chain ligation [Option ID = 86891]
Correct Answer :-
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Sequencing by chain termination [Option ID = 86889]
What is the hydrogen ion concentration in moles/L, if pH of a solution is 3.0? [Question ID = 51740]
1. 1 x 10^-3 [Option ID = 86954]
2. 4 x 10^-3 [Option ID = 86955]
3. 3 x 10^-3 [Option ID = 86953]
4. 3 [Option ID = 86952]
Correct Answer :-

1 x 10^-3 [Option ID = 86954]
A taxonomic system which takes into consideration a large number of phenotypic and genotypic characteristics of the organism is called: [Question ID = 51757]
1. Numerical taxonomy [Option ID = 87021]
2. Molecular taxonomy [Option ID = 87022]
3. Phylogenetics [Option ID = 87020]
4. Phylogenomics [Option ID = 87023]
Correct Answer :-

Numerical taxonomy [Option ID = 87021]
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The cytokine which is most commonly used for proliferation of bone marrow cells in vitro: [Question ID = 51768]
1. TGF-ß [Option ID = 87066]
2. GM-CSF [Option ID = 87064]
3. IFN-? [Option ID = 87065]
4. IL-2 [Option ID = 87067]
Correct Answer :-

GM-CSF [Option ID = 87064]
The interaction of two proteins within a cell can be visualized by: [Question ID = 51689]
1. All of the above [Option ID = 86751]
2. Biomolecules with fluorescence complementation [Option ID = 86749]
3. Fluorescence recovery effectively transferred [Option ID = 86748]
4. Fluorescence resonance energy transfer [Option ID = 86750]
Correct Answer :-

Fluorescence resonance energy transfer [Option ID = 86750]

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The arrangement in which flagella are distributed all around the bacterial cell is known as: [Question ID = 51727]
1. Amphitrichous [Option ID = 86901]
2. Peritrichous [Option ID = 86902]
3. Monotrichous [Option ID = 86903]
4. Lophotrichous [Option ID = 86900]
Correct Answer :-
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Peritrichous [Option ID = 86902]
The dried female flowers of Humulus lupulus are used in the production of: [Question ID = 51725]
1. Wine [Option ID = 86893]
2. Bread [Option ID = 86892]
3. Beer [Option ID = 86894]
4. Tofu [Option ID = 86895]
Correct Answer :-

Beer [Option ID = 86894]
The Swiss cheese ripening process is done using: [Question ID = 51738]
1. Geotrichium candidum [Option ID = 86947]
2. Penicillium roqueforti [Option ID = 86945]
3. Penicillium camemberti [Option ID = 86944]
4. Propionibacterium sp. [Option ID = 86946]
Correct Answer :-

Propionibacterium sp. [Option ID = 86946]
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The culture media containing heat labile constituents are best sterilized by: [Question ID = 51687]
1. UV-irradiation [Option ID = 86743]
2. Filtration using membrane filter [Option ID = 86742]
3. Dry heat at 180°C for 30 min [Option ID = 86740]
4. Autoclaving at 15 psi for 30 min [Option ID = 86741]
Correct Answer :-

Filtration using membrane filter [Option ID = 86742]
The koji for miso is a culture of: [Question ID = 51736]
1. Aspergillus oryzae [Option ID = 86937]
2. Aspergillus lentulus [Option ID = 86939]
3. Aspergillus flavus [Option ID = 86936]
4. Aspergillus fumigatus [Option ID = 86938]
Correct Answer :-

Aspergillus oryzae [Option ID = 86937]

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Klinefelter syndrome is characterized by: [Question ID = 51712]
1. chromosome 19 trisomy [Option ID = 86841]
2. chromosome 21 monosomy [Option ID = 86843]
3. one or more extra X chromosomes [Option ID = 86840]
4. fragile X chromosome [Option ID = 86842]
Correct Answer :-
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one or more extra X chromosomes [Option ID = 86840]
Peptidoglycan is also known as: [Question ID = 51732]
1. N-acetyl glucosamine [Option ID = 86922]
2. N-acetyl muramic acid [Option ID = 86920]
3. Murein mucopeptide [Option ID = 86921]
4. Mesodiaminopimelic acid [Option ID = 86923]
Correct Answer :-

Murein mucopeptide [Option ID = 86921]
All of the following are sporicidal except: [Question ID = 51706]
1. Formaldehyde [Option ID = 86818]
2. Glutaraldehyde [Option ID = 86816]
3. Ethylene oxide [Option ID = 86817]
4. Alcohol [Option ID = 86819]
Correct Answer :-

Alcohol [Option ID = 86819]
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The time required to kill 90% of the micro-organisms in a sample at a specific temperature is the [Question ID = 51698]
1. Decimal reduction time [Option ID = 86785]
2. Log reduction [Option ID = 86786]
3. Thermal inactivation constant [Option ID = 86787]
4. Thermal death point [Option ID = 86784]
Correct Answer :-

Decimal reduction time [Option ID = 86785]
The new antigens which appear on the tumors produced by irradiation are called: [Question ID = 51705]
1. Tumor-specific transplantation antigens (TSTA) [Option ID = 86813]
2. Carcino-embryonic antigens [Option ID = 86814]
3. Tumor associated antigens (TAA) [Option ID = 86812]
4. Tumor infiltrating antigens [Option ID = 86815]
Correct Answer :-

Tumor-specific transplantation antigens (TSTA) [Option ID = 86813]

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Thermoduric bacteria are majorly found in: [Question ID = 51729]
1. Pasteurized milk and dried milk [Option ID = 86909]
2. Ice-creams [Option ID = 86908]
3. None of the these [Option ID = 86911]
4. Vegetables [Option ID = 86910]
Correct Answer :-
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Pasteurized milk and dried milk [Option ID = 86909]
The phenomenon in which the severity of symptoms in genetic disorders increases from generation to generation is called: [Question ID = 51699]
1. Genetic drift [Option ID = 86788]
2. Genetic anticipation [Option ID = 86789]
3. Genetic polymorphism [Option ID = 86791]
4. Genetic erosion [Option ID = 86790]
Correct Answer :-

Genetic anticipation [Option ID = 86789]
Deviation in Hardy-Weinberg equilibrium in a population would be caused by [Question ID = 51720]
1. Small population size [Option ID = 86875]
2. Lack of mutation [Option ID = 86874]
3. Lack of selection [Option ID = 86873]
4. Random mating [Option ID = 86872]
Correct Answer :-

Small population size [Option ID = 86875]
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If the specific growth rate of the microorganism is 0.25 h-1, find out it's doubling time? [Question ID = 51750]
1. 1.77 h [Option ID = 86992]
2. 2.77 h [Option ID = 86993]
3. 4.77 h [Option ID = 86995]
4. 3.77 h [Option ID = 86994]
Correct Answer :-

2.77 h [Option ID = 86993]
A polymerase that extends DNA chains in template-independent manner is: [Question ID = 51726]
1. Klenow [Option ID = 86897]
2. DNA pol I [Option ID = 86896]
3. Terminal deoxynucleotidyl transferase [Option ID = 86898]
4. Pfu DNA polymerase [Option ID = 86899]
Correct Answer :-

Terminal deoxynucleotidyl transferase [Option ID = 86898]

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The Pathogenicity Islands (PAI) which are responsible for emergence of new pathogens are part of: [Question ID = 51696]
1. Integral part of integrons [Option ID = 86778]
2. Core genome of bacteria [Option ID = 86776]
3. Part of plasmids [Option ID = 86779]
4. Flexible genome pool of bacteria [Option ID = 86777]
Correct Answer :-
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Core genome of bacteria [Option ID = 86776]
Universal primers used in Sanger's sequencing of plasmid DNA are: [Question ID = 51769]
1. primers complementary to the vector sequences flanking the multiple cloning site [Option ID = 87071]
2. primers complementary to the antibiotic resistance gene of the vector [Option ID = 87069]
3. primers complementary to the multiple cloning sequence of the vector [Option ID = 87070]
4. primers of random sequence of length 18 nucleotides [Option ID = 87068]
Correct Answer :-

primers complementary to the vector sequences flanking the multiple cloning site [Option ID = 87071]
In 2011, which virus was declared by OIE to be eradicated from earth after successful culmination of global vaccination and monitoring program for that virus? [Question ID = 51700]
1. Rinderpest virus [Option ID = 86794]
2. Sheeppox virus [Option ID = 86793]
3. Smallpox virus [Option ID = 86792]
4. Peste-des-petits ruminants virus [Option ID = 86795]
Correct Answer :-

Rinderpest virus [Option ID = 86794]
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In the latent state, Herpes simplex virus makes an 8.3 kilobase RNA transcript called: [Question ID = 51682]
1. LMT or latent membrane transcript [Option ID = 86722]
2. None of the above [Option ID = 86723]
3. LAT or latency associated transcript [Option ID = 86720]
4. LANA or latency associated nuclear antigen [Option ID = 86721]
Correct Answer :-

LAT or latency associated transcript [Option ID = 86720]
Variegation in four o'clock plants is an example of: [Question ID = 51743]
1. Maternal effect [Option ID = 86964]
2. Nuclear inheritance [Option ID = 86966]
3. Organelle heredity [Option ID = 86965]
4. None of the these [Option ID = 86967]
Correct Answer :-

Organelle heredity [Option ID = 86965]

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Tetracycline blocks protein synthesis by: [Question ID = 51762]
1. Inhibiting translocase enzyme [Option ID = 87043]
2. Inhibiting peptidyl transferase [Option ID = 87042]
3. Inhibiting binding of aminoacyl tRNA to ribosomes [Option ID = 87040]
4. Inhibiting initiation of translation [Option ID = 87041]
Correct Answer :-
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Inhibiting binding of aminoacyl tRNA to ribosomes [Option ID = 87040]
Winogradsky column is often used for the isolation of: [Question ID = 51734]
1. Escherichia spp. [Option ID = 86930]
2. Pyrolobus spp. [Option ID = 86931]
3. Desulfovibrio spp. [Option ID = 86928]
4. Sulfolobus spp. [Option ID = 86929]
Correct Answer :-

Desulfovibrio spp. [Option ID = 86928]
What are the end products of Entner-Doudoroff pathway? [Question ID = 51713]
1. Pyruvate [Option ID = 86846]
2. Acetaldehyde, pyruvate and CO2 [Option ID = 86847]
3. Acetaldehyde and pyruvate [Option ID = 86845]
4. Ethanol and pyruvate [Option ID = 86844]
Correct Answer :-

Ethanol and pyruvate [Option ID = 86844]
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Flagella move the cell by: [Question ID = 51723]
1. An individual flagellum beating in a whip-like motion [Option ID = 86886]
2. Attaching to nearby particles and contracting [Option ID = 86885]
3. Spinning like a propeller [Option ID = 86884]
4. Many flagella beating in a synchronous whip-like motion [Option ID = 86887]
Correct Answer :-

Spinning like a propeller [Option ID = 86884]
Use of microbes for the break down or removal of toxic wastes in water and soil is called as: [Question ID = 51765]
1. Putrefaction [Option ID = 87053]
2. Recycling [Option ID = 87055]
3. Bioremediation [Option ID = 87054]
4. Decomposition [Option ID = 87052]
Correct Answer :-

Bioremediation [Option ID = 87054]

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Leucine rich repeats (LRR) are an integral part of which immunological receptor? [Question ID = 51679]
1. Dendritic cell receptor [Option ID = 86710]
2. Toll-like receptor (TLR) [Option ID = 86708]
3. T cell receptor (TCR) [Option ID = 86711]
4. NK cell receptor [Option ID = 86709]
Correct Answer :-
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Toll-like receptor (TLR) [Option ID = 86708]
Chondroid of some bacteria are better known as: [Question ID = 51755]
1. Bacterial plasmids [Option ID = 87014]
2. Bacterial plastids [Option ID = 87013]
3. Bacterial mitochondria [Option ID = 87015]
4. Mesosomes [Option ID = 87012]
Correct Answer :-

Mesosomes [Option ID = 87012]
A condition in which a single mutation causes multiple phenotypic effects is: [Question ID = 51675]
1. Multiphenotypy [Option ID = 86695]
2. Pleiotropy [Option ID = 86692]
3. Epigenesis [Option ID = 86694]
4. Epistasis [Option ID = 86693]
Correct Answer :-

Pleiotropy [Option ID = 86692]
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The blood samples of athletes can be tested for the presence of certain performance enhancing drugs using: [Question ID = 51686]
1. Real time PCRS [Option ID = 86738]
2. Microarrays [Option ID = 86737]
3. Mass spectrometry [Option ID = 86736]
4. Fluorescence spectroscopy [Option ID = 86739]
Correct Answer :-

Mass spectrometry [Option ID = 86736]
Cork screw shaped forms of bacteria are [Question ID = 51721]
1. Stalked bacteria [Option ID = 86877]
2. Bacilli [Option ID = 86876]
3. Spirochaetes [Option ID = 86878]
4. Actinomycetes [Option ID = 86879]
Correct Answer :-

Spirochaetes [Option ID = 86878]

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How many molecules of carbon dioxide are released after five rounds of Krebs cycle? [Question ID = 51719]
1. 18 [Option ID = 86871]
2. 12 [Option ID = 86870]
3. 10 [Option ID = 86869]
4. 6 [Option ID = 86868]
Correct Answer :-
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10 [Option ID = 86869]
The atomizer is used in the following process: [Question ID = 51756]
1. Liquid-liquid extraction [Option ID = 87017]
2. None of the these [Option ID = 87019]
3. Cross flow filtration [Option ID = 87018]
4. Spray drying [Option ID = 87016]
Correct Answer :-

Spray drying [Option ID = 87016]
The process of nonreciprocal recombination by which one allele in a heterozygote is converted into the corresponding allele is called: [Question ID = 51707]
1. Gene targeting [Option ID = 86820]
2. Gene knockout [Option ID = 86821]
3. Gene amplification [Option ID = 86823]
4. Gene conversion [Option ID = 86822]
Correct Answer :-

Gene conversion [Option ID = 86822]
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The process of RNA inactivation by siRNAs is termed as: [Question ID = 51758]
1. RNA dysfunction [Option ID = 87027]
2. RNA silencing [Option ID = 87024]
3. RNA interference [Option ID = 87025]
4. Short RNA inactivation [Option ID = 87026]
Correct Answer :-

RNA interference [Option ID = 87025]
The production of high-fructose corn syrup (HFCS) from glucose involves which of the following enzymes? [Question ID = 51760]
1. Hexokinase [Option ID = 87035]
2. Invertase [Option ID = 87034]
3. Glucose isomerase [Option ID = 87032]
4. Glucose oxidase [Option ID = 87033]
Correct Answer :-

Glucose isomerase [Option ID = 87032]

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This food-borne pathogen is very well known to grow even at refrigeration temperature: [Question ID = 51691]
1. Salmonella enteritidis [Option ID = 86759]
2. Bacillus subtilis [Option ID = 86756]
3. Listeria monocytogenes [Option ID = 86757]
4. Vibrio cholerae [Option ID = 86758]
Correct Answer :-
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Listeria monocytogenes [Option ID = 86757]
The term ecosystem was coined by: [Question ID = 51761]
1. Winogradsky [Option ID = 87036]
2. Pasteur [Option ID = 87039]
3. Flor [Option ID = 87038]
4. Tansley [Option ID = 87037]
Correct Answer :-

Tansley [Option ID = 87037]
In lactic acid fermentation the final electron acceptor is: [Question ID = 51735]
1. Acetyl CoA [Option ID = 86934]
2. NAD+ [Option ID = 86932]
3. Pyruvate [Option ID = 86933]
4. Glucose [Option ID = 86935]
Correct Answer :-

Pyruvate [Option ID = 86933]
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Trickling filters are used in the following process [Question ID = 51770]
1. Waste water treatment [Option ID = 87072]
2. Protein recovery from biomass [Option ID = 87074]
3. Milk pasteurization [Option ID = 87073]
4. All of the these [Option ID = 87075]
Correct Answer :-

Waste water treatment [Option ID = 87072]
The polio virus receptor which is an integral membrane protein is a member of immunoglobulin superfamily of proteins, and also is involved in establishment of intercellular junctions between epithelial cells: [Question ID = 51688]
1. CD 55 [Option ID = 86744]
2. CD 51 [Option ID = 86746]
3. CD 15 [Option ID = 86747]
4. CD 155 [Option ID = 86745]
Correct Answer :-

CD 155 [Option ID = 86745]

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Endotoxic shock produced by gram negative bacteremia is characterized by: [Question ID = 51693]
1. Loss of large volumes of blood from host [Option ID = 86765]
2. Extensive internal haemorrhage in the organs of the host [Option ID = 86764]
3. Disseminated intravascular coagulation in the host [Option ID = 86766]
4. Release of minimal amount of cytokines in the host [Option ID = 86767]
Correct Answer :-
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Disseminated intravascular coagulation in the host [Option ID = 86766]
Interferon free direct acting antivirals (DAAs) therapy has revolutionized treatment for which virus infection in recent years? [Question ID = 51715]
1. Human papilloma virus [Option ID = 86855]
2. Hepatitis C virus [Option ID = 86854]
3. Chickenpox virus [Option ID = 86852]
4. Human Immunodeficiency virus [Option ID = 86853]
Correct Answer :-

Hepatitis C virus [Option ID = 86854]
A transmembrane protein that mediates the adhesion of cells to the extracellular matrix is: [Question ID = 51692]
1. Fibronectin [Option ID = 86761]
2. Laminin [Option ID = 86760]
3. Entactin [Option ID = 86763]
4. Integrin [Option ID = 86762]
Correct Answer :-

Integrin [Option ID = 86762]
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Degranulation of most cells during hypersensitivity type I is known to produce: [Question ID = 51681]
1. Histamine, serotonin and leukotrienes [Option ID = 86718]
2. Histamine alone [Option ID = 86716]
3. Histamine, epinephrine and nor-epinephrine [Option ID = 86719]
4. Only Histamine and serotonin [Option ID = 86717]
Correct Answer :-

Histamine, serotonin and leukotrienes [Option ID = 86718]
Thiosulphate citrate bile salt sugar (TCBS) medium is used for selective isolation of: [Question ID = 51685]
1. Non-cholera Vibrios only [Option ID = 86732]
2. Non-01 non-0139 Vibrio cholerae [Option ID = 86735]
3. Most Vibrios [Option ID = 86733]
4. Mostly Vibrio parahemolyticus [Option ID = 86734]
Correct Answer :-

Most Vibrios [Option ID = 86733]

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Howard Walter Florey and Ernst Boris Chain were given the Nobel Prize for the process development of: [Question ID = 51752]
1. Monoclonal antibodies [Option ID = 87000]
2. Penicillin [Option ID = 87001]
3. Erythromycin [Option ID = 87002]
4. Glutamic acid [Option ID = 87003]
Correct Answer :-
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Penicillin [Option ID
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This post was last modified on 29 January 2020