GATE Biotechnology Previous Year Papers with Solutions Archives - Page 23 of 104 - CSIR NET LIFE SCIENCE COACHING | NTA NET LIFE SCIENCE

Q.41 Match the organisms in Group I with the entries in Group II. Group I Group II P. Clostridium 1. Rods with teichoic acid in the cell wall Q. Escherichia 2. Rods with endospores R. Vibrio 3. Helical rods with flagella S. Bacillus 4. Rods with LPS in the outer membrane 5. Curved rods with polar flagella (A) P-2, Q-4, R-5, S-1 (B) P-2, Q-1, R-5, S-4 (C) P-5, Q-4, R-2, S-3 (D) P-3, Q-2, R-1, S-4

GATE Biotechnology 2012 Previous Year Papers with Solutions

Bacterial Morphology Matching

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January 18, 2026
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Q.41 Match the organisms in Group I with the entries in Group II. Group I […]

Q.40 A disease is inherited by a child with a probability of 1/4. In a family with two children, the probability that exactly one sibling is affected by this disease is (A) 1/4 (B) 3/8 (C) 7/16 (D) 9/16

GATE Biotechnology 2012 Previous Year Papers with Solutions

Probability Exactly One Sibling Affected by Disease

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January 18, 2026
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Q.40 A disease is inherited by a child with a probability of 1/4. In a family with two children, the probability that exactly one sibling is affected by this disease […]

Q.39 Determine the correctness or otherwise of the following Assertion (a) and Reason (r). Assertion: Cell mass yield of a methylotrophic yeast is more on methanol compared to glucose. Reason: Methanol has a greater degree of reductance compared to glucose. (A) Both (a) and (r) are correct and (r) is the correct reason for (a) (B) (a) is correct, (r) is false (C) (a) is false, (r) is correct (D) Both (a) and (r) are correct but (r) is not the correct reason for (a)

GATE Biotechnology 2012 Previous Year Papers with Solutions

Methylotrophic Yeast Biomass Yield

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January 18, 2026
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Q.39 Determine the correctness or otherwise of the following Assertion (a) and Reason (r). Assertion: Cell mass yield of a methylotrophic yeast is more on methanol compared to glucose. Reason: […]

Q.38 Match the downstream processes in Group I with the products in Group II. Group I Group II P. Solvent extraction 1. Lactic acid Q. Protein-A linked affinity chromatography 2. Penicillin R. Extractive distillation 3. Monoclonal antibody S. Salting out 4. Lipase (A) P-2, Q-3, R-1, S-4 (B) P-4, Q-1, R-2, S-3 (C) P-4, Q-1, R-3, S-2 (D) P-2, Q-4, R-1, S-3

GATE Biotechnology 2012 Previous Year Papers with Solutions

Bioprocess Downstream Processing Matching

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January 18, 2026
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Q.38 Match the downstream processes in Group I with the products in Group II. Group I […]

Q.37 Match the entries in Group I with the process parameters in Group II. Group I Group II P. Clark electrode 1. Liquid level Q. Redox probe 2. Dissolved oxygen concentration R. Load cell 3. Vessel pressure S. Diaphragm gauge 4. pH (anaerobic process) (A) P-2, Q-1, R-3, S-4 (B) P-4, Q-2, R-3, S-1 (C) P-2, Q-4, R-1, S-3 (D) P-2, Q-1, R-4, S-3

GATE Biotechnology 2012 Previous Year Papers with Solutions

Bioreactor Sensors Matching

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January 18, 2026
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Q.37 Match the entries in Group I with the process parameters in Group II. Group I […]

GATE Biotechnology 2012 Previous Year Papers with Solutions

Q.36 Determine the correctness or otherwise of the following Assertion (a) and Reason (r). Assertion: In direct somatic embryogenesis, embryos are developed without going through callus formation. Reason: This is […]

Q.35 Determine the correctness or otherwise of the following Assertion (a) and Reason (r). Assertion: Plants convert fatty acids into glucose. Reason: Plants have peroxisomes. (A) Both (a) and (r) are true but (r) is not the correct reason for (a) (B) Both (a) and (r) are true and (r) is the correct reason for (a) (C) (a) is true but (r) is false (D) (a) is false but (r) is true

GATE Biotechnology 2012 Previous Year Papers with Solutions

Plants Fatty Acids to Glucose Conversion

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January 18, 2026
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Q.35 Determine the correctness or otherwise of the following Assertion (a) and Reason (r). Assertion: Plants convert fatty acids into glucose. Reason: Plants have peroxisomes. (A) Both (a) and (r) […]

Q.34 Determine the correctness or otherwise of the following Assertion (a) and Reason (r). Assertion: The production of secondary metabolites in plant cell cultures is enhanced by the addition of elicitors. Reason: Elicitors induce the expression of enzymes responsible for the biosynthesis of secondary metabolites. (A) Both (a) and (r) are true but (r) is not the correct reason for (a) (B) Both (a) and (r) are true and (r) is the correct reason for (a) (C) (a) is true but (r) is false (D) (a) is false but (r) is true

GATE Biotechnology 2012 Previous Year Papers with Solutions

Plant Cell Culture Elicitors

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January 18, 2026
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Q.34 Determine the correctness or otherwise of the following Assertion (a) and Reason (r). Assertion: The production of secondary metabolites in plant cell cultures is enhanced by the addition of […]