Previous Year Questions

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QUESTION ID:1

Which of the following relationships is/are not true?

(A) Most probable velocity = √(2RT / M)

(B) pV = 3/2 kT

(C) Compressibility factor  Z = pV / nRT

(D) Average kinetic energy of gas = 1/2 kT

Choose the correct answer from the options given below

QUESTION ID:2

Match List-I with List-II

List-I (Electronic Configuration)List-II (First Ionisation energy kJ mol-1)
(A). ns2(I). 2100
(B). ns2np1(II). 1400
(C). ns2np3(III). 800
(D). ns2np6(IV). 900
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QUESTION ID:3

The shielding constant of a 2p electron (calculated using Slater's rules) is:

QUESTION ID:4

Match List-I with List-II 

List-I (Spectroscopy)List-II (Property)
(A). Raman(I). Polarizability
(B). FTIR(II). Dipole Moment
(C). UV-Visible(III). Absorbance
(D). NMR(IV). Spin
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QUESTION ID:5

The structure of protein comprises of:

(A). Primary structure of protein is associated with amino acids

(B). Secondary structure of protein is associated to peptides

(C). Tertiary structure of protein is associated with polypeptide chains

(D). Quaternary structure of protein is associated with polypeptide chains

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QUESTION ID:6

In a chromatographic analysis of lemon oil a peak for limonene has a retention time of 8.36 min with a baseline width of 0.96 min. γ-Terpinene elutes at 9.54 min with a baseline width of 0.64 min. What is the resolution between the two peaks?

QUESTION ID:7

Which of the following statements are correct about photosynthesis?

(A). Photosystem I has a greater number of a particular type of chlorophyll molecule called chlorophyll a

(B). Photosystem II is maximally activated at wavelengths shorter than 680 nm

(C). In photosystem I, NADPH is produced.

(D). Photosystem II is maximally activated at wavelengths larger than 680 nm

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QUESTION ID:8

Even at relatively high resolution, most of the peaks in a HNMR spectrum of a protein are broad, which makes it difficult to extract information about biological samples using NMR. This is because:

QUESTION ID:9

Match List-I with List-II 

List-I (Spectroscopic Technique)List-II (Application in Biophysics)
(A). UV-Visible Spectroscopy(I). Concentration of a sample
(B). Fluorescence Spectroscopy(II). Chemical Characteristics
(C). Infrared Spectroscopy(III). Molecular conformation and dynamics
(D). Electron Spin Resonance(IV). Fluidity of membranes and the dynamics of proteins
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QUESTION ID:10

Which of the following are the properties of a good cloning vector?

(A). Ideally should be less than 10 kb

(B). Isolation and purification should be easy

(C). Should contain a unique target site

(D). Able to replicate autonomously

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QUESTION ID:11

Match List-I with List-II 

List-I (Oxides of Nitrogen)List-II (Name)
(A) N2O(I) Dinitrogen trioxide
(B) NO(II) Nitrous oxide
(C) N2O3(III) Nitric oxide
(D) N2O4(IV) Dinitrogen tetroxide
Choose the correct answer from the options given below:

QUESTION ID:12

Siderophores are small polydentate ligands and have a high affinity for:

QUESTION ID:13

A group of transposable elements described as retroelements encompass:

QUESTION ID:14

Monoclonal antibodies can be employed for:

(A). Early detection of cancers

(B). Clear detection of pathogens

(C). Classification of blood group

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QUESTION ID:15

Ripening delayed tomatoes are produced by:

QUESTION ID:16

Which of the following statement regarding Innate immunity is wrong?

(A) The response time is minute to hours.

(B) The specificity of innate immunity is highly diverse.

(C) The major components of innate immunity are B cells and T cells.

(D) The major components of innate immunity are phagocytes.

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QUESTION ID:17

Which of the following are chiral molecules?


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QUESTION ID:18

Which of the following microorganism plays an important role in the early stages of cheese production?

(A). Brevibacterium linens

(B). Penicillium candidum

(C). Lactococcus cremoris

(D). Lactococcus lactis

Choose the correct answer from the options given below:

QUESTION ID:19

Which of the following in vitro technique is used to find Protein-Protein Interaction?

QUESTION ID:20

The presence and distribution of specific mRNAs within a cell can be detected by:

QUESTION ID:21

Agrobacterium tumefaciens is frequently used as a vector to create transgenic plants. Under laboratory conditions Agrobacterium mediated plant transformation does not require:

QUESTION ID:22

Two-dimensional gel electrophoresis carries out protein based on:

QUESTION ID:23

Cosmids contain:

(A). Replication origin

(B). Unique restriction sites

(C). A selectable marker from a plasmid

(D). Cos site from phage genome

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QUESTION ID:24

In the enzyme-linked antibody used in ELISA, the interaction between the enzyme and antibody is stabilized by:

QUESTION ID:25

Eicosanoids are a type of polyenoic fatty acids that consist of:

(A). Leukotrienes

(B). Prostaglandins

(C). Lipoxins

(D). Cholesterol

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QUESTION ID:26

RNA polymerase responsible for the synthesis of tRNA:

QUESTION ID:27

Arrange the following bacteriophages in the increasing order of size in terms of nucleotide base pairs

(A). T4 phage
(B). λ phage
(C). T7 phage
(D). φX174 phage

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QUESTION ID:28

What is the role of the p53 gene in cancer development?

QUESTION ID:29

The sequence of reactions catalyzed by pyruvate dehydrogenase complex are:

(A). Decarboxylation of pyruvate

(B). Formation of Acetyl-CoA

(C). Formation of acetyl lipoamide

(D). Oxidation of dihydrolipoamide

Choose the correct answer from the options given below:

QUESTION ID:30

The urea cycle takes place in which of the following compartments of the cell?

(A). Cytosol

(B). Endoplasmic reticulum

(C). Mitochondrial matrix

D). Peroxisomes

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QUESTION ID:31

Consider the following reactions in which all the reactants and products are in gaseous state.

             K1=4×104

PQ+12R2⇌PQR             K2=5×10−3K_2 = 5 \times 10^{-3}

The value of K3K_3 for the equilibrium

is

QUESTION ID:32

Match List-I with List-II 

List-I (Antibiotic)List-II (Microorganism)
(A). Penicillin G(I). Streptomyces griseus
(B). Gentamycin(II). Bacillus subtilis
(C). Bacitracin(III). Penicillium chrysogenum
(D). Cycloheximide(IV). Micromonospora purpurea
Choose the correct answer from the options given below:

QUESTION ID:33

The Michaelis constant (Km) in enzyme kinetics represents:

QUESTION ID:34

[Co(NH3)4(NO2)2]Cl exhibits.

(A) Ionisation isomerism
(B) Linkage isomerism
(C) Geometrical isomerism
(D) Coordination isomerism
(E) Solvate isomerism

Choose the correct answer from the options given below:

QUESTION ID:35

The alpha particles are:

QUESTION ID:36

Which of the following are components of lipid raft in plasma membrane?

QUESTION ID:37

The amino acid Tryptophan exhibits maximum UV absorption at what approximate wavelength?

QUESTION ID:38

Which one of the following regions of the target gene is NOT used for making an RNAi construct to knock down its expression?

QUESTION ID:39

Which of the following statements regarding restriction enzymes used in recombinant DNA technology is correct?

QUESTION ID:40

Every continuous real valued function on [a, b] is:

(A). Constant.

(B). Bounded above.

(C). Bounded below.

(D). Unbounded.

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QUESTION ID:41

*Let <G, *> be a group. Then for all a,b,c∈Ga, b, c \in G

(A). (a∗b)∗c∈G(a * b) * c \in G

(B). a∗b=b∗aa * b = b * a

(C). a∗(b∗c)=(a∗b)∗ca * (b * c) = (a * b) * c

(D). a∗b=a∗ca * b = a * c implies
b = c
.

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QUESTION ID:42

Match List-I with List-II 

List-I (Set)List-II (Property in R)
(A) Set of natural numbers, N(I) open
(B) Open interval (a, b)(II) closed
(C) Set of rational numbers, Q(III) unbounded and uncountable
(D) Set of irrational numbers, R \ Q(IV) unbounded below and countable
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QUESTION ID:43

 The solution of 

QUESTION ID:44

Let ff be a continuous real-valued function, defined by f(x)=sin⁡xf(x) = \sin x, for all 

Then which of the following does not hold.

QUESTION ID:45

Let an unbiased die be thrown and the random variable X be the number appears on its top. Then the expectation of X is:

QUESTION ID:46


QUESTION ID:47

The equation of a straight line passes through the point  and is perpendicular to the straight line 3x+4y+5=03x + 4y + 5 = 0

QUESTION ID:48

Which of the following subsets form subgroups of the group ?

H1​={0}

H2​={n+1:n∈Z}

H3​={2n:n∈Z}

H4​={2n+1:n∈Z}

Choose the correct answer from the options given below:

QUESTION ID:49

The series 

QUESTION ID:50

If a subset B is a basis of a vector space V, then:

(A). B generates V.

(B). B contains zero vector.

(C). B is linearly independent.

(D). B is the only basis of V.

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QUESTION ID:51

Bacteria have specialized Two component system for the signaling, which among these is the part or sensory domain?

QUESTION ID:52

Match List-I with List-II 

List-I (Type of Chromatography)List-II (Basis of Operation)
(A). Affinity Chromatography(I). Phase
(B). Ion-Exchange Chromatography(II). Shape and size
(C). Molecular sieve chromatography(III). Chemical Structure
(D). Planar chromatography(IV). Charge
Choose the correct answer from the options given below:

QUESTION ID:53

In Transcription, which among these Transcription factors have Helicase activity?

QUESTION ID:54

Match List-I with List-II 

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QUESTION ID:55

Amino acid that can form Di-sulfide linkage in protein:

QUESTION ID:56

Which bacteria is called the DNA repair champion?

QUESTION ID:57

What is the most significant advantage of using Subroutines or Functions in computer programming?

QUESTION ID:58

Which of the following is typically considered part of the MSU (likely meant VDU/System Unit context or specific acronym)?

(A) Monitor

(B) Keyboard

(C) Motherboard

(D) CPU

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QUESTION ID:59

What is the difference between clock speed and instruction cycle time?

QUESTION ID:60

Match List-I with List-II 

List-I (Statement)List-II (Description)
(A) if statement(I) can have multiple conditions.
(B) switch statement(II) can only have one condition.
(C) break statement(III) skips the current iteration and continues with the next.
(D) continue statement(IV) exits the entire loop.
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QUESTION ID:61

Which of the following is not the benefit of using an inline function in C++?

(A). It can improve code readability and reduce function call overhead.

(B). It can make the code more modular and easier to maintain.

(C). It allows for dynamic function calls at runtime.

(D). It can be used to define recursive functions.

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QUESTION ID:62

What is the difference between one-dimensional and two-dimensional arrays in C++?

QUESTION ID:63

What are the risks of using pointers without proper care?

QUESTION ID:64

What is the main difference between LCD and LED displays?

QUESTION ID:65

What is the fundamental assumption behind a Markov model?

QUESTION ID:66

What is the key principle behind Monte Carlo simulation?

QUESTION ID:67

The first ever biological sequence database which was developed by Dayhoff and Eck's 1965 is:

QUESTION ID:68

Match List-I with List-II 

List-I (Tool/Database)List-II (Organization/Database)
(A). WebMol(I). PDB
(B). Cn3D(II). NCBI
(C). DeepView(III). ExPASy
(D). PROCHECK(IV). EBI
Choose the correct answer from the options given below:

QUESTION ID:69

Electronic Polymerase Chain Reaction (e-PCR) is a computational procedure that is used..

QUESTION ID:70

Readseq one of the most popular computer programs written by Don Gilbert at Indiana University used for:

QUESTION ID:71

Which are the correct statetments regrading INSDC....

(A). Promotion of Human Genome Project

(B). It is collaboration of GenBank, EMBL and DDBJ databases.

(C). Facilitating exchange of sequence data on daily basis

(D). Validation of 3D model of protein with respect to structure solved by either X-ray crystallography or NMR spectroscopy

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QUESTION ID:72

Match List-I with List-II 

List-I (BLAST Type)List-II (Description)
(A). BLASTN(I). Uses protein sequences as queries to search against a protein sequence database
(B). BLASTP(II). Queries nucleotide sequences with a nucleotide sequence database
(C). TBLASTX

(III). Uses nucleotide sequences as queries and translates them in all six reading frames

to produce translated protein sequences, which are used to query a protein sequence database.

(D). BLASTX

(IV). Uses nucleotide sequences, which are translated in all six frames, to search against a

nucleotide sequence database that has all the sequences translated in six frames.

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QUESTION ID:73

SAKURA is a:

QUESTION ID:74

An example of primary database is:

(A). GenBank

(B). EMBL

(C). DDBJ

(D). PDB

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QUESTION ID:75

Match List-I with List-II 

List-I (Scientist)List-II (Contribution/Concept)
(A). Needleman and Wunsch(I). BLOSUM
(B). Smith and Waterman(II). Dynamic Programing in Global Alignment
(C). Margaret Dayhoff(III). Dynamic Programing in Local Alignment
(D). Henikoff and Henikoff(IV). PAM
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