GATE XL purpose:exam-prep PYQs & Answers — Page 40

Questions 391–400 of 1235. Imported answers require independent review unless marked reviewed.

Compound X gives alcohol P as the major product for the reaction shown below. Suitable option(s) for X is/are

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

Diagram for Life Sciences question 25 (figure 2)

Diagram for Life Sciences question 25 (figure 3)

Diagram for Life Sciences question 25 (figure 4)

Diagram for Life Sciences question 25 (figure 5)

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The number of radial node(s) for the valence orbital of U(III) ion is _____ (in integer). (Given: Atomic number of U is 92)

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E° = 1.10 V for the following cell reaction:

For this reaction, the equilibrium constant is

at 298 K. The value of

is _____ (rounded off to two decimal places).

(Given: F = 96485 C mol

, R = 8.314 J K

mol

)

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Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].

Assertion [a]: On a per carbon basis, palmitic acid yields more ATP than glucose.

Reason [r]: Carbons in palmitic acid are more reduced than those in glucose.

Your answerChoose one option.

Both [a] and [r] are true and [r] is the correct reason for [a]

Both [a] and [r] are true but [r] is not the correct reason for [a]

[a] is true but [r] is false

[a] is false but [r] is true

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When cell components are fractionated by sedimentation, the correct order (from lower to higher graviational force, g) in which the components get separated is ______.

Your answerChoose one option.

nuclei, mitochondria, microsomes, and ribosomes

microsomes, mitochondria, ribosomes, and nuclei

nuclei, ribosomes, mitochondria, and microsomes

ribosomes, microsomes, mitochondria, and nuclei

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In a population, the probability of a susceptible individual getting infected with SARS-CoV-2 is low when a majority of individuals in the population becomes immune to this virus. This phenomenon is known as ______.

Your answerChoose one option.

innate immunity

adaptive immunity

active immunity

herd immunity

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Given below are four reactions of the glycolytic pathway catalyzed by the enzymes E1, E2, E3 and E4, as indicated.

(i) Fructose 6-phosphate

Fructose 1,6-bisphosphate

(ii) Fructose 1,6-bisphosphate

Dihydroxyacetone phosphate + Glyceraldehyde 3-phosphate

(iii) 3-Phosphoglycerate

2-Phosphoglycerate

(iv) Phosphoenolpyruvate

Pyruvate

Which of these enzymes is/are NOT part of the gluconeogenesis pathway?

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

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Which of the following molecules is/are second messenger(s) produced by the phosphoinositide signaling cascade?

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

Phosphatidylinositol 4,5-bisphosphate

Inositol 1,4,5-triphosphate

Inositol 1,3,5-triphosphate

Diacylglycerol

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A protein has seven cysteine residues. The maximum number of disulfide bonds of different combinations that can possibly be formed by these seven cysteine residues is ______ (in integer).

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A lyophilized sample of 20 nanomoles of an oligonucleotide is dissolved in water and the volume of the solution is made up to 200 μL. The concentration (in μM) of the oligonucleotide in this solution is ______ (in integer).

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GATE XL purpose:exam-prep PYQs

Question 25

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Question 27

Question 28

Question 29

Question 30

Question 31

Question 32

Question 33

Question 34