CUET PG Life Science 2022 Previous Year Question Papers PDF with Solutions Archives - Page 3 of 5 - CSIR NET LIFE SCIENCE COACHING | NTA NET LIFE SCIENCE | CSIR LIFE SCIENCE

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Q47.Match List I with List II List-I (Name of Scientists) A. Avery, Macleod and McCarty B. Edward Jenner C. Erwin Chargaff D. Seymour Benzer List-II (Discoveries) I. Complementation analysis II. Law of equivalence of bases III. Chemical basis of heredity IV. Vaccine Choose the correct answer from the options given below: (A) A-IV, B-I, C-II, D-III (B) A-II, B-I, C-IV, D-III (C) A-IV, B-III, C-II, D-I (D) A-III, B-IV, C-II, D-I

Avery Jenner Chargaff Benzer Discoveries

Q46.Match List I with List II List-I (Cell type) A. Macrophages B. B-cells C. Cytotoxic T-cells D. Helper T-cells List-II (Function) I. Antibody production II. Phagocytosis III. Interact with macrophages and secrete cytokines IV. Interact with infected host cells Choose the correct answer from the options given below: (A) A-IV, B-I, C-II, D-III (B) A-II, B-I, C-IV, D-III (C) A-III, B-IV, C-II, D-I (D) A-II, B-III, C-IV, D-I

Immune Cell Functions Mastered

Q45.Match List I with List II List-I (Compound) A. Dolichol B. Vitamin-K C. Vitamin-E D. Warfarin List-II (Function) I. Blood clotting factor II. Antioxidant III. Anticoagulant IV. Sugar carrier Choose the correct answer from the options given below: (A) A-IV, B-I, C-II, D-III (B) A-III, B-I, C-IV, D-II (C) A-III, B-IV, C-II, D-I (D) A-II, B-III, C-IV, D-I

Dolichol Vitamin K E Warfarin Functions Solved

Q44.Match List I with List II List-I (Nitrogenous bases) A. Cytosine B. 5-methyl-cytosine C. Adenine D. Guanine List-II (Deaminated product) I. Thymine II. Xanthine III. Uracil IV. Hypoxanthine Choose the correct answer from the options given below: (A) A-IV, B-I, C-II, D-III (B) A-III, B-I, C-IV, D-II (C) A-III, B-IV, C-II, D-I (D) A-II, B-III, C-IV, D-I

Nitrogenous Bases Deamination Solved

Q43.Match List I with List II List-I (Hormone) A. Epinephrine in liver B. FSH C. Vasopressin D. Epinephrine in skeletal muscle List-II (Function) I. Conversion of glycogen to glucose-1 phosphate II. Increased conversion of glycogen to glucose III. Increase synthesis of estrogen IV. Reabsorption of water Choose the correct answer from the options given below: (A) A-IV, B-I, C-II, D-III (B) A-IV, B-I, C-III, D-II (C) A-III, B-IV, C-II, D-I (D) A-II, B-III, C-IV, D-I

Hormone Functions Solved

Q42.Match List I with List II List-I (Animal) A. Annelids B. Insects C. Mollusces D. Cyclostomes List-II (Larva) I. Veliger II. Trochophore III. Ammocoetes IV. Catterpillar Choose the correct answer from the options given below: (A) A-I, B-II, C-III, D-IV (B) A-II, B-III, C-IV, D-I (C) A-II, B-IV, C-I, D-III (D) A-III, B-II, C-I, D-IV

Animal Larva Types Solved

Q41.Match List I with List II List-I (Enzymes) A. Histone acetyl transferase B. Cyclin dependent kinase C. α-antitrypsin D. Topoisomerase List-II (Function) I. DNA replication II. Chromatin remodeling III. Cell cycle regulation IV. Emphysema Choose the correct answer from the options given below: (A) A-IV, B-I, C-II, D-III (B) A-IV, B-I, C-III, D-II (C) A-II, B-III, C-IV, D-I (D) A-III, B-IV, C-II, D-I

Enzymes and Functions

Q49.Given below are two statements: Statement I: In prokaryotes all types of RNAs are transcribed by the holoenzyme, that consists of several polypeptides (Two α, One β, & One β′ and one σ). Statement II: The start signals on DNA are called promoters and represent the initial binding site for the RNA polymerase. In the light of the above statements, choose the correct answer from the options given below: (A) Both Statement I and Statement II are correct (B) Both Statement I and Statement II are incorrect (C) Statement I is correct but Statement II is incorrect (D) Statement I is incorrect but Statement II is correct

Prokaryotic RNA Polymerase

Q40.Trypan blue assay is used for the: (A) Counting of animal cells (B) Quantification cellular proteins (C) Quantification of nucleic acid (D) Identification of metabolite

Trypan Blue Assay for

Q39.Which one of the following antibody can cross placental barrier? (A) IgG (B) IgM (C) IgE (D) IgA

Which Antibody Crosses Placental Barrier?

Q38.Diagnostic test used to detect Human Immunodeficiency Virus is (A) Widal (B) Autoradiography (C) ELISA (D) Precipitation

Diagnostic Test for HIV Detection

Q37.Heterospory is not found in (A) Pinus (B) Cycas (C) Selaginella (D) Pteridium

Heterospory Not Found in

Q36.The formation of endosperm before fertilization is a characteristic of (A) Bryophytes (B) Angiosperms (C) Gymnosperms (D) Pteridophytes

Formation of Endosperm Before Fertilization

Q35.Which of the following vaccine does not provide life time protection? (A) Polio (B) Chicken pox (C) Small pox (D) MMR

Which Vaccines Last Forever?

Q34.Hematopoietic stem cells are found in (A) Bone marrow (B) Liver (C) Spleen (D) Payers patches

Hematopoietic Stem Cells Location

Q33.Gaucher disease is a genetic disorder which is associated with (A) Endoplasmic reticulum (B) Golgi apparatus (C) Peroxisome (D) Lysosomes

Gaucher Disease Lysosomes

Q32.Which of the following statement is true about Gymnosperms? (A) Albuminous cells in phloem are absent (B) The embryo that grows after fertilization is exoscopic in nature (C) Gymnosperms are dioecious in nature (D) The embryo that grows after fertilization is endoscopic in nature

Gymnosperms True Statement

Q31.In which of the following plants, the gametophyte does not represent an independent free living generation? (A) Polytrichum (B) Funaria (C) Marchantia (D) Pinus

Gametophyte Independent Free Living Generation

Q30.Which one of the following is autoimmune disease? (A) Type I Diabetes Mellitus (B) Type II Diabetes Mellitus (C) Gestational Diabetes (D) Haemophilia

Which One is Autoimmune Disease

Q29.Chemically synthesized linker molecules containing recognition sequences of specific restriction endonucleases for creation of cohesive ends in blunt ended DNA fragments are generally (A) 10 bp (B) 24 bp (C) 6 bp (D) 20 bp

Chemically Synthesized Linker Molecules

Q28.A lambda phage genome has a length of (A) 12.5 kb (B) 24.5 kb (C) 42.5 kb (D) 84.5 kb

Lambda Phage Genome Length

Q27.A cloning vector may not contain (A) Origin of replication (B) Multiple cloning site (C) Promoter (D) Selectable marker

Cloning Vector Components

Q26.Which of the following is not a vitamin? (A) Biotin (B) Choline (C) Histidine (D) Nicotinamide

Which is Not a Vitamin?

Q25.The prokaryotic microorganism which fixes atmospheric nitrogen in symbiotic association under aerobic condition in aquatic ferns is- (A) Rhizobium (B) Klebsiella (C) Anabaena (D) Rhodospirillum

Prokaryote Fixing Nitrogen

Q24.The primary acceptor of CO₂ in C₄ plants is (A) Phosphoenolpyruvate (B) Ribulose 1, 4 diphosphate (C) Ribulose 1, 5 diphosphate (D) Phosphoenolglycerate

Primary CO₂ Acceptor in C₄ Plants

Q23.The rate of oxygen production is enhanced when there is operation of (A) Cyclic photophosphorylation (B) Non-Cyclic photophosphorylation (C) Both Cyclic and Non-cyclic photophosphorylation (D) Oxidative phosphorylation

Oxygen Production Enhanced by

Q22.Which one of the following phytochemicals produced in plants defend against herbivores? (A) Terpenes (B) Lignin (C) Flavonoids (D) Tannins

Phytochemicals Plants Produce

Q21.The gold standard method used for the detection of SARS-CoV-2 infection is (A) ELISA (B) RT-PCR (C) Microarray (D) FISH

Gold Standard SARS-CoV-2 Detection Method

Q20.The method which was first developed for gene mapping in bacteria was (A) Transformation in 1928 (B) Conjugation in 1946 (C) Transduction in 1952 (D) Transformation in 1944

First Method Developed for

Q19.Which of the following is NOT a characteristic feature of bony fishes? (A) Presence of paired fins (B) Laterally compressed body (C) Presence of homocercal tail (D) Presence of placoid scales

Which Is NOT a Characteristic Feature of Bony Fishes?

Q18.Which of the following animal has a pseudocoel? (A) Ascaris (B) Fasciola (C) Beroe (D) Sea anemone

Which Animal Has a Pseudocoel?

Q17.Which DNA repair system is affected in Lynch syndrome? (A) Nucleotide excision repair (B) Base excision repair (C) Mismatch repair (D) Repair of double strand breaks

Which DNA Repair System

Q16.In anaerobic conditions, yeast consumes more glucose than in the presence of aerobic environment. This phenomenon is known as- (A) Hatch and Slack effect (B) Emerson enhancement effect (C) Warburg effect (D) Pasteur effect

Pasteur Effect in Yeast

Q15.Bacteria produce an enzyme methylase which mainly plays a role in (A) Modification of DNA (B) Cutting of DNA (C) Repair of DNA (D) Rearrangement of DNA

Bacterial Methylase Enzyme Role

Q14.Which of the following condition is NOT essential to maintain Hardy-Weinberg equilibrium in a population? (A) Large randomly mating population (B) Small randomly mating population (C) Absence of gene flow (D) Absence of natural selection

Hardy-Weinberg Equilibrium Conditions

Q13.The replication on template strand always proceeds in 5' to 3' direction. If the sequence of template strand is 5'ATCCCT3', how would the correct sequence of newly synthesized strand of DNA be read? (A) ACCGGAT (B) AGGGAT (C) TAGGGA (D) TACGCT

DNA Replication Template Strand

Q12.Blood group antigen differs in their (A) Glycosylation pattern (B) Phosphorylation pattern (C) Methylation pattern (D) Ubiquitinylation pattern

Blood Group Antigen Differs

Q11.A class of Immunoglobulin present in the serum which neutralizes toxins, activates complements and crosses the placenta to protect the fetus and neonate is: (A) IgD (B) IgE (C) IgG (D) IgM

IgG Immunoglobulin Serum Neutralizes

Q10.A classification system that groups organisms together based on the similarity of their observable characteristics is known as- (A) Phylogenetic system (B) Phenetic system (C) Phyletic system (D) Complement system

Observable Characteristics Classification

Q9.Which of the following disease is associated with Philadelphia chromosome? (A) Retinoblastoma (B) Atrial septal defect (C) Chronic myelogenous leukemia (D) Myotonic muscular dystrophy

Philadelphia Chromosome Association

Q8.Which of the following disease in humans is caused due to expanded microsatellite repeats? (A) Huntington's disease (B) Cystic fibrosis (C) Tuberculosis (D) Alcaptonurea

Expanded Microsatellite Repeats Cause

Q7.Which of the following techniques may be used for identifying a regulatory protein that acts by binding to specific sequence of DNA? (A) Southern blotting (B) Northern blotting (C) South western blotting (D) Western blotting

Identifying Regulatory Proteins Binding

Q6.Which of the following Histone protein found in chromatin has high Lysine content? (A) H1 (B) H2A (C) H3 (D) H4

Histone Protein High Lysine Content

$Q5.The microscope that converts slight difference in the refractive index and cell density into easily observed difference in the light intensity is known as- (A) Phase contrast microscope (B) Bright field microscope (C) Dark field microscope (D) Transmission electron microscope$

Microscope Converts Refractive Index

Q4.The pH at which net charge of protein becomes zero under an electrical field at room temperature is known as: (A) Isoelectric potential (B) Isothermal point (C) Isomeric point (D) Isoelectric point

Protein Net Charge Zero pH

Q3.The most common initial step to separate water soluble proteins from insoluble cellular material is- (A) Electroporation (B) Differential centrifugation (C) Density-gradient centrifugation (D) Western blotting

Separate Water Soluble Proteins

Q2.A specific protein required for infecting a host by corona virus is known as: (A) Receptor protein (B) PDE (C) Spike protein (D) Polymerase basic 2

Coronavirus Spike Protein

Q1.Which of the following technique is used for tracing change in intracellular location of proteins and metabolites. (A) Chromatography (B) DNA foot printing (C) DNA end labelling (D) Pulse-chase experiment

Pulse-Chase Experiment

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