GATE BT format:msq PYQs & Answers — Page 5

Questions 41–50 of 60. Imported answers require independent review unless marked reviewed.

Topic practice 60 questionsPage 5 of 6

Methylation of CpG islands near the promoter of a gene can inhibit transcription by

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

preventing RNA polymerase binding

facilitating repressor binding

facilitating heterochromatin formation

inducing euchromatin formation

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Which of the following statement(s) is(are) TRUE about induced pluripotent stem cells?

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They can self-renew

They require specific signals to maintain their stemness

They cannot be genetically manipulated

They can form organoids in vitro

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Which of the following statement(s) is(are) TRUE about fluoroquinolone drugs?

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They contain quinolone ring(s)

They inhibit RNA polymerase

They bind to bacterial topoisomerase

They bind to 23S rRNA within the 50S ribosome subunit

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Which of the following is(are) plant protoplast fusogenic agent(s)?

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Sodium nitrate

Polyvinyl alcohol

Polyethylene glycol

Bromoxynil

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Direct DNA transfer method(s) used for plant genetic engineering is(are)

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microparticle bombardment

electroporation

polyethylene glycol treatment

Agrobacterium-mediated transformation

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Which of the following vector(s) is(are) used to clone a DNA fragment of size 220 kb?

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Bacterial artificial chromosome

Yeast artificial chromosome

Cosmids

pUC₁₉ plasmid

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Consider the ordinary differential equation

. If

, the value(s) of

, using the Euler’s implicit method [

] with a step size of

, is (are)

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

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Which of the following statements are CORRECT for an enzyme entrapped in a spherical particle?

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Effectiveness factor is ratio of the reaction rate with diffusion-limitation to the reaction rate without diffusion-limitation

Internal diffusion is rate-limiting at low values of Thiele modulus

Effectiveness factor increases with decrease in Thiele modulus

Internal diffusion-limitation can be reduced by decreasing the size of the particle

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Which of the following is(are) COMMON feature(s) for both aerobic and anaerobic bacterial cultures?

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Glycolysis

NAD

is the oxidising agent

Oxidative phosphorylation

Two net ATP molecules formed per glucose molecule

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Which of the following plot(s) is(are) CORRECT for an enzyme that obeys Michaelis-Menten kinetics, assuming

is the concentration of the substrate,

is the Michaelis constant, and

is the initial reaction velocity.

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Diagram for Biotechnology question 50 (figure 2)

Diagram for Biotechnology question 50 (figure 3)

Diagram for Biotechnology question 50 (figure 4)

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GATE BT format:msq PYQs

Question 40

Question 41

Question 42

Question 43

Question 44

Question 45

Question 47

Question 48

Question 49

Question 50