GATE XL 2017 Paper 1 — page 23

Questions 67–69 of 125. Imported answers require review unless explicitly marked reviewed.

A bactericidal agent X is added after 3 hours of growth of a bacterial culture. Following the addition of X, the bacterial growth was measured using the standard plate count method till 24 hours. Which one of the following figures is the most accurate representation of the action of X?

Your answerChoose one option.

Diagram for Life Sciences question 67 (figure 2)

iii

Diagram for Life Sciences question 67 (figure 3)

Diagram for Life Sciences question 67 (figure 4)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Match the diseases given in Group I with their causative agents from Group II.

Group I (P) Plague (Q) Rabies (R) Q fever (S) Malaria

Group II (I) Coxiella burnetii (II) Plasmodium spp. (III) Yersinia pestis (IV) Lyssavirus

Your answerChoose one option.

P-III, Q-IV, R-I, S-II

P-III, Q-I, R-II, S-IV

P-IV, Q-III, R-I, S-II

P-III, Q-I, R-IV, S-II

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Match the enzymes given in Group I with the events from Group II.

Group I (P) UvrABC endonuclease (Q) Reverse transcriptase (R) AP endonuclease (S) ATP sulfurylase

Group II (I) Retrovirus replication (II) Base excision repair (III) Nucleotide excision repair (IV) Pyrosequencing

Your answerChoose one option.

P-II, Q-I, R-IV, S-III

P-III, Q-I, R-II, S-IV

P-IV, Q-III, R-I, S-II

P-II, Q-I, R-III, S-IV

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

2017 · Paper 1

Question 67

Question 68

Question 69