GATE XL Microbial Diseases and Host Pathogen Interaction PYQs & Answers — Page 3

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Microbial Diseases and Host Pathogen Interaction

Questions 21–25 of 25. Imported answers require independent review unless marked reviewed.

Topic practice 25 questionsPage 3 of 3

In humans, the key stages in the life cycle of malarial parasites occur in

Your answerChoose one option.

red blood cells and the liver

red blood cells and platelets

red blood cells and the pancreas

red blood cells and the gut

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Match the microorganisms to their predominant modes of transmission. Microorganism: (i) Bordetella pertusis; (ii) Denge virus; (iii) Entamoeba histolytica; (iv) Hepatitis B virus. Mode of Transmission: (p) Vector-borne; (q) Blood-borne; (r) Droplet infection; (s) Contaminated food

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(i)-(r), (ii)-(p), (iii)-(s), (iv)-(q)

(i)-(s), (ii)-(q), (iii)-(p), (iv)-(r)

(i)-(q), (ii)-(p), (iii)-(s), (iv)-(r)

(i)-(s), (ii)-(r), (iii)-(p), (iv)-(q)

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Which one of the following is a contagious disease?

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Chickenpox

Tetanus

Malaria

Filariasis

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An antigen X was injected into a rabbit for the first time at time P. Then the rabbit was given a booster dose of X at time Q. Which one of the following figures accurately depicts the adaptive immune response by the rabbit against X?

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Diagram for Life Sciences question 66 (figure 2)

iii

Diagram for Life Sciences question 66 (figure 3)

Diagram for Life Sciences question 66 (figure 4)

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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

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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

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GATE XL Microbial Diseases and Host Pathogen Interaction PYQs

Question 9

Question 13

Question 61

Question 66

Question 68