Veterinary Biotechnology- ICAR JRF/SRF 2024

Official solved question paper with verified bilingual step-by-step solutions and key concepts. आधिकारिक हल प्रश्न पत्र — विस्तृत द्विभाषी व्याख्या, प्रामाणिक उत्तर कुंजी एवं मुख्य अवधारणाओं सहित।

Questions in this Paper इस प्रश्न पत्र के प्रश्न

120 Questions 120 प्रश्न
1
Movement of DNA from one bacterium to another through a tubular bridge or pilus:
Crop Genetics, Plant Breeding & IPR MCQ (Single Correct) +4 / −1
2
Which of the following is responsible for eliminating toxic oxygen by-products from cells?
Cell Biology, Plant Physiology & Biochemistry MCQ (Single Correct) +4 / −1
3
form of multiple parasitism in which a parasite preferentially attacks a host that is already parasitized by another species is known as
Agricultural Entomology, Nematology & Crop Pr MCQ (Single Correct) +4 / −1
4
For mass multiplication of DD-136 nematode, the common host used is
Agricultural Entomology, Nematology & Crop Pr MCQ (Single Correct) +4 / −1
5
Chlorpyriphos methyl is effective against stored product insects except
Agricultural Entomology, Nematology & Crop Pr MCQ (Single Correct) +4 / −1
6
Which of the following insects often cause inhalational allergies in human following large emergence of adult insects
Agricultural Entomology, Nematology & Crop Pr MCQ (Single Correct) +4 / −1
7

Given below are two statements

Statement (|); Climate is a weather condition related to smaller areas at a given place and at a given time.
Statement (II) : Weather is a condition of atmosphere at a given place and at a given time

In light of the above statements, choose the most appropriate answer from the options given below.

Agricultural Meteorology & Climate Science Statement Based +4 / −1
8
The local name of cyclone in Philippines is
Agricultural Meteorology & Climate Science MCQ (Single Correct) +4 / −1
9

Which one of the following are secondary tillage implements?

(A) .Subsoiler
(B) .Cultivator
(C) .Disc harrow
(D) . Wetland plough

Choose the correct answer from the options given below:

Agronomy, Tillage & Field Crop Production MCQ (Single Correct) +4 / −1
10
is the most suitable, drought resistant and persistant grass?
Agronomy, Tillage & Field Crop Production MCQ (Single Correct) +4 / −1
11
The rainfed area in India is approximately
Agronomy, Tillage & Field Crop Production MCQ (Single Correct) +4 / −1
12
Which nutrient is often a limiting factor in agricultural production?
Soil Science, Plant Nutrition & Reclamation MCQ (Single Correct) +4 / −1
13
What is a potential disadvantage of agroforestry systems?
Agronomy, Tillage & Field Crop Production MCQ (Single Correct) +4 / −1
14
Pungency in mustard oil is due to
Cell Biology, Plant Physiology & Biochemistry MCQ (Single Correct) +4 / −1
15
Sesamum belongs to the family
Agronomy, Tillage & Field Crop Production MCQ (Single Correct) +4 / −1
16
Dark period is critical in which type of plant?
Cell Biology, Plant Physiology & Biochemistry MCQ (Single Correct) +4 / −1
17
Which of the following is NOT a significant contributor to greenhouse gas emissions from livestock farming?
Soil Science, Plant Nutrition & Reclamation MCQ (Single Correct) +4 / −1
18
Fe deficiency is mostly seen in crops growing on
Soil Science, Plant Nutrition & Reclamation MCQ (Single Correct) +4 / −1
19
EDV (Essentially Derived Varieties) are those which are derived from
Crop Genetics, Plant Breeding & IPR MCQ (Single Correct) +4 / −1
20
What is the role of "companion planting" in agriculture?
Agronomy, Tillage & Field Crop Production MCQ (Single Correct) +4 / −1
21
Which one is not true about nucleolus
Cellular Ultrastructure, Nucleolus, Membrane MCQ (Single Correct) +4 / −1
22
What is the main role of carbohydrates in cell membrane?
Cellular Ultrastructure, Nucleolus, Membrane MCQ (Single Correct) +4 / −1
23

Erythropoesis occurs in following organs

(A) . Liver
(B) . Spleen
(C) . Bone Marrow

Choose the correct answer from the options given below:

Hematopoiesis, Erythropoiesis & Blood Indices MCQ (Single Correct) +4 / −1
24
Edema may occur due to following except
Body Fluid Compartments , Osmolality & Starli MCQ (Single Correct) +4 / −1
25
Venous blood generally has p02 of about
Pulmonary Gas Exchange, Partial Pressures & V MCQ (Single Correct) +4 / −1
26
Alayer of epithelial cells surrounding the outer surface of the capillary basement membrane in a nephron
Renal Functional Anatomy, Glomerular Filtrati MCQ (Single Correct) +4 / −1
27
Maximum absorption of short-chain fatty acids produced by bacteria occurs in the
Nutrient Absorption Mechanisms across Rumen, MCQ (Single Correct) +4 / −1
28
Hypsodont teeth are present in
Ruminant Pre-Gastric Fermentative Digestion MCQ (Single Correct) +4 / −1
29
Efficiency of muscle contraction is
Muscle Energetics, Fiber Types , Rigor Mortis MCQ (Single Correct) +4 / −1
30
Match List with List-l Choose the correct answer from the options given below:

Choose the correct answer from the options given below :

Motor Control & Cerebellar Coordination Match the Following +4 / −1
31
Active form of vitamin D is released from
Endocrine Regulation of Renal Function MCQ (Single Correct) +4 / −1
32
What is the correct sequence of ejaculatory volume
Male Reproductive Physiology Chronological +4 / −1
33
Which one of the following animal is not a reflex ovulator?
Female Reproductive Cyclicity MCQ (Single Correct) +4 / −1
34
Which one is not a clone of sheep?
Somatic Cell Nuclear Transfer , Microinjectio MCQ (Single Correct) +4 / −1
35
‘Among the following animals, Upper Critical Temperature (UCT) is highest in which of the following
Climatic Heat Stress in Domestic Livestock MCQ (Single Correct) +4 / −1
36
Inhibitor of Cysteine protease is
Enzyme Inhibition MCQ (Single Correct) +4 / −1
37
Which isoenzyme of LDH is present in heart
Allosteric Regulation, Covalent Modification, MCQ (Single Correct) +4 / −1
38
HHHH form of LDH catalyzes the reaction towards
Allosteric Regulation, Covalent Modification, MCQ (Single Correct) +4 / −1
39
During the purification process, total activity of enzyme
Enzyme Kinetics MCQ (Single Correct) +4 / −1
40
Identify Nickel containing enzyme?
Enzyme Classification , Nomenclature & Coenzy MCQ (Single Correct) +4 / −1
41
In allosteric enzymes, the location of catalytic and regulatory sites are
Allosteric Regulation, Covalent Modification, MCQ (Single Correct) +4 / −1
42
Which vitamin is usually absent in the food from plant sources?
DNA Damage, Mutations & Repair Systems MCQ (Single Correct) +4 / −1
43
In gel filtration chromatography mobile phase is
Muscle, Bone & Connective Tissue Biochemistry MCQ (Single Correct) +4 / −1
44

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : The LDH isoenzyme Mé4 functions optimally in the anaerobic environment of skeletal muscles.
Reason(R) : The Skeletal muscles are designed to work anaerobically so as M4. M4 converts pyruvate to lactate, so glycolysis can be operated continuously.

In light of the above statements, choose the most appropriate answer from the options given below

Allosteric Regulation, Covalent Modification, Assertion & Reason +4 / −1
45

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : Gel filtration chromatography can be used to isolate proteins on the basis of their molecular weight
Reason(R) : Smaller proteins enter into the beads, so spend additional time in column and elute at a later stage

In light of the above statements, choose the most appropriate answer from the options given below

Muscle, Bone & Connective Tissue Biochemistry Assertion & Reason +4 / −1
46

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

A: Atrans-fatty acids is structurally similar to a saturated fatty acid R: The kinks in the fatty acid molecules determine whether the material is solid or liquid at room temperature

In light of the above statements, choose the most appropriate answer from the options given below

Fatty Acid Classification, Saturated vs Unsat Assertion & Reason +4 / −1
47

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

A: Under aerobic conditions, TCA cycle is the primary source of energy. R: TCA cycle is followed by electron flow through the respiratory chain generates more ATPs.

In light of the above statements, choose the most appropriate answer from the options given below

Tricarboxylic Acid Cycle, Amphibolic Nature Assertion & Reason +4 / −1
48
Match List I with List II:
Enzyme Inhibition Assertion & Reason +4 / −1
49

‘Amino acids which contain hydroxyl group are

(A) .Serine
(B) . Threonine
(C) .Mehionine
(D) .Cysteine

Choose the correct answer from the options given below:

Amino Acid Classification, Physicochemical Pr MCQ (Single Correct) +4 / −1
50

Aromatic amino acids are

(A) Aspartic acid
(B) .Glutamic acid
(C) .Tyrosine
(D) .Tryptophan

Choose the correct answer from the options given below:

Amino Acid Classification, Physicochemical Pr MCQ (Single Correct) +4 / −1
51

Hydrophobic amino acids are

(A) .Isoleucine
(B) .Leucine
(C) .Arginine
(D) Aspartic acid

Choose the correct answer from the options given below:

Amino Acid Classification, Physicochemical Pr MCQ (Single Correct) +4 / −1
52

Identify coenzymes

(A) .NAD
(B) .FAD
(C) .LDH
(D) Proline

Choose the correct answer from the options given below:

Enzyme Classification , Nomenclature & Coenzy MCQ (Single Correct) +4 / −1
53

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

A: Vitamin E serves as an antioxidant R: Vitamin E can quench free radicals

In light of the above statements, choose the most appropriate answer from the options given below

DNA Replication in Prokaryotes & Eukaryotes Assertion & Reason +4 / −1
54

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

A: Hormones binds to receptors present on cell surface or inside the cells R: All hormones are protein in nature Read the statements and choose the correct answer

In light of the above statements, choose the most appropriate answer from the options given below

Genetic Code Characteristics, Wobble Hypothes Assertion & Reason +4 / −1
55

According to the current classification these are the included in enzyme classes

(A) .Hydrolases
(B) . Transferases
(C) .lsomerases
(D) .Ligases

Choose the correct answer from the options given below:

Enzyme Classification , Nomenclature & Coenzy MCQ (Single Correct) +4 / −1
56
The classification of genes based on protein domains revealed that
Biophysical Principles of Biomolecular Confor MCQ (Single Correct) +4 / −1
57
Proteins can bind to DNA at specific sequences by
Nucleic Acid Structures & Sequence-Specific P MCQ (Single Correct) +4 / −1
58
Which of the following statements is incorrect?
Monosaccharides, Oligosaccharides, Stereochem MCQ (Single Correct) +4 / −1
59
Differentiation refers to
Eukaryotic Cell Cycle Regulation MCQ (Single Correct) +4 / −1
60
The main phospholipids in most animal cell membranes are the
Membrane Ultrastructure, Lipid Rafts & Macrom MCQ (Single Correct) +4 / −1
61
What does an open reading frame (ORF) refer to?
Translation Mechanisms, Ribosome Subunits, Po MCQ (Single Correct) +4 / −1
62
Which type of amino acid can get acetylated within the N-terminal regions of histone proteins?
Epigenetic Gene Regulation MCQ (Single Correct) +4 / −1
63
DNA mutation can arise from
DNA Repair Pathways MCQ (Single Correct) +4 / −1
64
Which of the following is not a DNA repair system?
DNA Repair Pathways MCQ (Single Correct) +4 / −1
65
Why is actin used as a control for transcriptome studies in vertebrates?
Genomic & cDNA Library Construction, Screenin MCQ (Single Correct) +4 / −1
66
Homopolymers can be added to DNA strands by using
Molecular Cloning Strategies MCQ (Single Correct) +4 / −1
67
Lymphocytes in whole blood can be stimulated with
Primary Cell Culture vs Established Cell Line MCQ (Single Correct) +4 / −1
68
Somatic cells can be synchronized to the G1 stage of the cell cycle by treatment with
Eukaryotic Cell Cycle Regulation MCQ (Single Correct) +4 / −1
69
DNA microinjection into embryos for generation of transgenic animals can best be done at
Transgenic Animal Production MCQ (Single Correct) +4 / −1
70
Induced Pluripotent Stem cells (PSCs) can be produced by transfection of somatic cells with genes
Cellular Immunotherapies MCQ (Single Correct) +4 / −1
71
Which of the following statements about telomerase is TRUE?
DNA Replication Fidelity, Fork Dynamics, Telo MCQ (Single Correct) +4 / −1
72
The base hypoxanthine in the nucleotide inosine can hydrogen bond with
Translation Mechanisms, Ribosome Subunits, Po MCQ (Single Correct) +4 / −1
73
Which of the following statements about enzymes is FALSE?
Protein Folding Dynamics, Chaperones, Alloste MCQ (Single Correct) +4 / −1
74
is a filamentous cytoskeletal protein whose deficiency leads to spherical and fragile RBCs.
Cytoskeletal Dynamics MCQ (Single Correct) +4 / −1
75
Nuclear lamina, located on the nuclear side of the inner nuclear membrane, is a meshwork of interconnected protein subunits called?
Cytoskeletal Dynamics MCQ (Single Correct) +4 / −1
76
In most animal cells, cyclic AMP exerts its effects mainly by activating 2
G-Protein Coupled Receptors , Adenylyl Cyclas MCQ (Single Correct) +4 / −1
77
Which of the following is not a DNA recombination event?
DNA Replication Fidelity, Fork Dynamics, Telo MCQ (Single Correct) +4 / −1
78
Which type of bond is synthesized by DNA ligases?
Molecular Cloning Strategies MCQ (Single Correct) +4 / −1
79
What are cryptic splice sites?
Post-Transcriptional Processing MCQ (Single Correct) +4 / −1
80
Which of the following sequence modules is NOT a basal promoter element?
Eukaryotic Transcription Factors, Enhancers, MCQ (Single Correct) +4 / −1
81
Which of the following is a common cause of errors in genome replication?
DNA Replication Fidelity, Fork Dynamics, Telo MCQ (Single Correct) +4 / −1
82
Chemicals such as add alkyl groups to nucleotides in DNA molecules to cause mutation
DNA Repair Pathways MCQ (Single Correct) +4 / −1
83
Which of the following statements is FALSE?
Receptor Tyrosine Kinases , MAPK/ERK, PI3K/Ak MCQ (Single Correct) +4 / −1
84
Which of the following represents a replication-deficient adenoviral vector based on the simian adenovirus type Y25 that has been used for producing several vaccines, including COVID-19?
Cloning & Expression Vectors MCQ (Single Correct) +4 / −1
85
Interphase chromosomes are useful for fine-scale mapping by fluorescent in situ hybridization because they
Eukaryotic Cell Cycle Regulation MCQ (Single Correct) +4 / −1
86
Which of the following is a limitation with chain termination sequencing?
Next-Generation Sequencing MCQ (Single Correct) +4 / −1
87
What is the advantage of probing a transcriptome with mRNAs bound to ribosomes?
Genomic & cDNA Library Construction, Screenin MCQ (Single Correct) +4 / −1
88
Which of the following is useful in understanding protein structure and conformation?
Biophysical Analysis of Biomolecules MCQ (Single Correct) +4 / −1
89
CAR-T cell therapy is recently approved in India for treatment of
Cellular Immunotherapies MCQ (Single Correct) +4 / −1
90
HAT selection can be used when cell hybrids are made between mutant cell lines deficient in
Hybridoma Technology & Monoclonal Antibodies MCQ (Single Correct) +4 / −1
91
Which of the following is a method for selective culture of tumor cells?
Bioreactors, Microcarriers, Scale-Up & Suspen MCQ (Single Correct) +4 / −1
92
Pig liver transplantation for ten days in a 50-year-old clinically dead human was recently reported in the Year 2024 from
Somatic Cell Nuclear Transfer , Microinjectio MCQ (Single Correct) +4 / −1
93
The first success of somatic cell cloning in mice was achieved by of cumulus cells into enucleated oocytes.
Somatic Cell Nuclear Transfer , Microinjectio MCQ (Single Correct) +4 / −1
94
Which of the following criteria can be used as evidence for fertilization in stained oocytes?
In Vitro Fertilization , Oocyte Maturation MCQ (Single Correct) +4 / −1
95
Which of the following hormones are commonly used for superovulation in mice?
Superovulation Hormonal Regimes in Bovine & R MCQ (Single Correct) +4 / −1
96
Which of the following is the basic unit of carbohydrates?
Biophysical Principles of Biomolecular Confor MCQ (Single Correct) +4 / −1
97
The alpha carbon atoms of all amino acids are asymmetric except
Biophysical Principles of Biomolecular Confor MCQ (Single Correct) +4 / −1
98

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : A chemical reaction with a negative AG* is spontaneous under standard conditions.
Reason (R) : Anegative AG° indicates the reaction releases energy and proceeds towards completion

In light of the above statements, choose the most appropriate answer from the options given below

Biophysical Principles of Biomolecular Confor Assertion & Reason +4 / −1
99

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : Sucrose is a non-reducing sugar.
Reason (R) : The glycosidic bond in sucrose links the reducing ends of the two monosaccharides

In light of the above statements, choose the most appropriate answer from the options given below

Monosaccharides, Oligosaccharides, Stereochem Assertion & Reason +4 / −1
100

Which of the following disaccharides is reducing sugar?

(A) . Sucrose
(B) . Maltose
(C) . Lactose
(D) . Trehalose

Choose the correct answer from the options given below:

Monosaccharides, Oligosaccharides, Stereochem MCQ (Single Correct) +4 / −1
101

Peroxisomes differ from mitochondria and chloroplasts. Which of the statements about peroxisomes is true?

(A) . Surrounded by only a single membrane
(B) . Lack of DNA or ribosomes
(C) . Contains oxidative enzymes like catalase and urate oxidase
(D) . Involves in carbon utilization

Choose the correct answer from the options given below:

Structural & Functional Organization of Intra MCQ (Single Correct) +4 / −1
102
Match the following major cyclins (List-I) with cyclin dependant kinases (CDKs) of vertebrates (List-II):

Choose the correct answer from the options given below :

Eukaryotic Cell Cycle Regulation Match the Following +4 / −1
103

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : Anaerobic bacteria derive their electron transport chain from alternative electron acceptors other than oxygen
Reason (R) : Anaerobic bacteria lack oxygen as the terminal electron acceptor in their electron transport chain, thus they utilize alternative molecules such as nitrate, sulfate, or carbon dioxide

In light of the above statements, choose the most appropriate answer from the options given below

Structural & Functional Organization of Intra Assertion & Reason +4 / −1
104
Which of the following statements accurately describes riboswitches in transcriptional gene control?
Eukaryotic Transcription Factors, Enhancers, MCQ (Single Correct) +4 / −1
105
Which of the following statements accurately describes how different base pairs in DNA can be recognized from their edges without opening the double helix, based on the DNA recognition code?
Nucleic Acid Structures & Sequence-Specific P MCQ (Single Correct) +4 / −1
106
Which of the following techniques can be used to identify sequence-specific DNA binding proteins?
Nucleic Acid Blotting , EMSA, DNA Footprintin MCQ (Single Correct) +4 / −1
107
Eukaryotic tRNAs are synthesized by
Eukaryotic Transcription Factors, Enhancers, MCQ (Single Correct) +4 / −1
108
What happens to the expression of the lac operon when both glucose and lactose are present in the environment?
Eukaryotic Transcription Factors, Enhancers, MCQ (Single Correct) +4 / −1
109
Which enzyme catalyzes the deamination of arginine to produce nitric oxide (NO), a remarkable signaling molecule in both plants and animals?
Nitric Oxide - Guanylyl Cyclase - cGMP Signal MCQ (Single Correct) +4 / −1
110
Which checkpoint in the cell cycle ensures that DNA is undamaged and ready for replication?
Eukaryotic Cell Cycle Regulation MCQ (Single Correct) +4 / −1
111

Which statements regarding Nitric Oxide (NO) and Guanylyl Cyclase (GC) are correct?

(A) . NO is synthesized by GC
(B) . GC converts NO into cyclic guanosine monophosphate (CGMP).
(C) . NO acts as a signaling molecule and activates GC.
(D) . GC acts as both an intracellular receptor for NO and intracellular signaling protein.

Choose the correct answer from the options given below:

Nitric Oxide - Guanylyl Cyclase - cGMP Signal MCQ (Single Correct) +4 / −1
112

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : BrdU labeling is used to identify proliferating cells.
Reason (R) : BrdU is a thymidine analog that stops cell division of inactive cells and promotes cell division of proliferating cells.

In light of the above statements, choose the most appropriate answer from the options given below

Eukaryotic Cell Cycle Regulation Assertion & Reason +4 / −1
113
Which of the following steps is NOT an esstential process during cell cryopreservation?
Cryopreservation of Cells MCQ (Single Correct) +4 / −1
114

Identify the correct sequential steps in the process of metastasis.

(A) . Cells grow as a benign tumor
(B) . Cells become invasive and enter capillary
(C) . Cells adhere to blood vessels and escape from the blood vessel to distant locations.
(D) . Colonize to full blown metastasis

Choose the correct answer from the options given below:

Cancer Biology MCQ (Single Correct) +4 / −1
115
Which process is genetically determined and involves several different genes, leading to a progressive shortening of telomeres until cells are unable to divide further?
Eukaryotic Cell Cycle Regulation MCQ (Single Correct) +4 / −1
116
Which sequencing technology uses fluorescently labeled nucleotides with reversible terminators?
Next-Generation Sequencing MCQ (Single Correct) +4 / −1
117
The enzyme deficiency that makes the myeloma cell unable to survive in HAT selection medium is
Hybridoma Technology & Monoclonal Antibodies MCQ (Single Correct) +4 / −1
118
Which technique relies on the detection of DNA content in individual cells for the determinaton of stages of cell cycle?
Flow Cytometry, Fluorescence-Activated Cell S MCQ (Single Correct) +4 / −1
119
Which of the following methods is NOT commonly used for cell cycle analysis?
Flow Cytometry, Fluorescence-Activated Cell S MCQ (Single Correct) +4 / −1
120
Which of the following is NOT a reason for the utilization of embryo sexing techniques in bovine reproduction?
Embryo Sexing Technologies MCQ (Single Correct) +4 / −1

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Practice all 120 questions with live evaluation, step-by-step solutions, and detailed explanations. सभी 120 प्रश्नों का लाइव मूल्यांकन, तुरंत फीडबैक और विस्तृत द्विभाषी समाधान के साथ अभ्यास करें।

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