GATE BT topic:life-sciences PYQs & Answers — Page 12

Questions 111–120 of 650. Imported answers require independent review unless marked reviewed.

If the function

where

and

are constants, is differentiable at

, then

is equal to

Your answerChoose one option.

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Correctly match the following Bioinformatic tool/Database with its respective Utility.

Bioinformatic tool/Database	Utility
P. BLAST	1. Database for 3D protein structures
Q. Bowtie	2. Tool to identify similarity of a query sequence to existent sequences available in databanks
R. AlphaFold	3. Tool to align short read DNA sequences obtained from Next-generation sequencing to a reference genome
S. PDB	4. AI tool to predict protein structures

Your answerChoose one option.

P-2; Q-3; R-1; S-4

P-2; Q-3; R-4; S-1

P-3; Q-2; R-4; S-1

P-4; Q-1; R-2; S-3

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Correctly match the herbicide with its mode of development of resistance in plants.

Herbicide	Mode of development of resistance
P. Imidazolinones	1. Transformation of bacterial nitrilase gene
Q. Bromoxynil	2. Transformation of resistant version of acetolactate synthetase
R. Glufosinate	3. Transformation of tfdA gene from Alcaligenes, which encodes a dioxygenase
	4. Transformation of bar gene from Streptomyces hygroscopicus which encodes phosphinothricin acetyltransferase

Your answerChoose one option.

P-2; Q-1; R-4

P-2; Q-1; R-3

P-1; Q-2; R-3

P-4; Q-1; R-3

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Which of the following statements is/are true regarding the effect of the concentration of metabolic intermediates on glycolysis in erythrocytes?

Your answerSelect all correct options. You can choose more than one.

Increased AMP levels stimulate glycolysis

Increased citrate inhibits glycolysis

Increased glucose 6-phosphate inhibits glycolysis

Increased fructose 1,6-bisphosphate stimulates glycolysis

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Which of the following statements about initiation of DNA replication in eukaryotes is/are true?

Your answerSelect all correct options. You can choose more than one.

DNA replication is initiated at the origin of replication licenced by loading of Mcm helicase complex

Loading of Mcm helicase complex takes place in S phase

Mcm helicase complex are activated by S-Cdks

Mcm helicase complex is responsible for loading of origin recognition complex

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Which of the following proteins is/are involved in intraflagellar transport?

Your answerSelect all correct options. You can choose more than one.

Microtubules

Myosin

Actin

Kinesin

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Which of the following statements is/are true about telomerase?

Your answerSelect all correct options. You can choose more than one.

Telomerase has 5′-3′ DNA-dependent DNA polymerisation activity

Telomerase has 5′-3′ RNA-dependent DNA polymerisation activity

Telomerase contains an RNA subunit

Telomerase has 3′-5′ DNA-dependent DNA polymerisation activity

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The blood group of the mother is A⁺ and that of the father is AB⁺. Which of the following statements is/are correct?

Your answerSelect all correct options. You can choose more than one.

Probability of the offspring with A⁺ blood group is 0.5

Probability of the offspring with AB⁺ blood group is 0.125

Probability of the offspring with B⁺ blood group is 0.125

Probability of the offspring with O⁺ blood group is 0.375

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An enzyme immobilised in a porous spherical pellet, catalyses a strong mass-transfer limited first-order reaction. The effectiveness factor for the immobilised enzyme reaction increases with the

Your answerSelect all correct options. You can choose more than one.

decrease in the size of the pellet

increase in the pore diffusivity within the pellet

decrease in the enzyme turnover number

increase in the enzyme concentration within the pellet

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Which of the following methods is/are used for identifying histone modifications?

Your answerSelect all correct options. You can choose more than one.

ChIP-seq

Mass spectrometry

Immunofluorescence

Patch-clamp electrophysiology

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GATE BT topic:life-sciences PYQs

Question 46

Question 47

Question 48

Question 49

Question 50

Question 51

Question 52

Question 53

Question 54

Question 55