GATE XL format:mcq PYQs & Answers — Page 2

Questions 11–20 of 812. Imported answers require independent review unless marked reviewed.

Topic practice 812 questionsPage 2 of 82

10 mM aqueous HCl is added dropwise to 10 mL of 1 mM aqueous NaOH. The qualitative plot of conductivity (

) against the number of drops of HCl (

) is

Your answerChoose one option.

Diagram for Life Sciences question 11 (figure 2)

Diagram for Life Sciences question 11 (figure 3)

Diagram for Life Sciences question 11 (figure 4)

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Upon hydrolysis of the pentapeptide Glu-Arg-Gly-Phe-Ala (represented from N- to C- terminus) with trypsin, the peptide fragments obtained are

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Glu-Arg and Gly-Phe-Ala

Glu-Arg-Gly-Phe and Ala

Glu and Arg-Gly-Phe-Ala

Glu-Arg-Gly and Phe-Ala

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The major product formed in the following reaction is

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Diagram for Life Sciences question 13 (figure 2)

Diagram for Life Sciences question 13 (figure 3)

Diagram for Life Sciences question 13 (figure 4)

Diagram for Life Sciences question 13 (figure 5)

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The CORRECT order of ionic character (in percentage) among the following is

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NaCl < HCl < HBr

HCl < NaCl < HBr

HCl < HBr < NaCl

HBr < HCl < NaCl

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An ideal gas in an insulated container expands against zero external pressure. For this expansion, the CORRECT statement is

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Work is done by the gas

Work is done on the gas

Pressure of the gas remains unchanged

Temperature of the gas remains unchanged

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The major products P and Q obtained in the following reactions are

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P =

Diagram for Life Sciences question 21 (figure 2)

; Q =

Diagram for Life Sciences question 21 (figure 3)

P =

Diagram for Life Sciences question 21 (figure 4)

; Q =

Diagram for Life Sciences question 21 (figure 5)

P =

Diagram for Life Sciences question 21 (figure 6)

; Q =

Diagram for Life Sciences question 21 (figure 7)

P =

Diagram for Life Sciences question 21 (figure 8)

; Q =

Diagram for Life Sciences question 21 (figure 9)

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The major product formed in the following two-step transformation is (Note: Ts = tosyl and Ac = acetyl)

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Diagram for Life Sciences question 22 (figure 2)

Diagram for Life Sciences question 22 (figure 3)

Diagram for Life Sciences question 22 (figure 4)

Diagram for Life Sciences question 22 (figure 5)

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Match the coordination complexes given in Column I with their most appropriate properties in Column II.

(Given: Atomic number of Mn-25; Co-27; Cu-29):

Column I — Coordination Complexes E. [CuCl₅]³⁻ F. [Co(NH₃)₃Cl₃] G. [Co(NH₃)₄Cl₂] H. [Mn(H₂O)₆]²⁺

Column II — Properties I. Facial and meridional isomerism II.

III. Very faintly coloured IV. Trigonal bipyramidal

Your answerChoose one option.

E-IV, F-III, G-II, H-I

E-II, F-IV, G-I, H-III

E-IV, F-I, G-II, H-III

E-I, F-III, G-IV, H-II

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Which one of the following immunoglobulins is known for its role in both allergy and asthma?

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IgA

IgM

IgD

IgE

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In which kind of organism, the glycerol moiety of lipid is found primarily in the R-configuration?

Your answerChoose one option.

Bacteria

Mammals

Archaea

Yeast

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GATE XL format:mcq PYQs

Question 11

Question 12

Question 13

Question 14

Question 20

Question 21

Question 22

Question 23

Question 28

Question 29