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Human Health and Disease · Question 19

NEET (UG) 2023MCQEasy📈 Topic in 12% papers+4−1
1

In which blood corpuscles, the HIV undergoes replication and produces progeny viruses?

  1. B-lymphocytes
  2. Basophils
  3. Eosinophils
  4. TH cells

Answer

(4) TH cells

Solution

After entering the body, HIV first infects macrophages, where its RNA is copied into viral DNA by reverse transcriptase.

The virus then enters helper T-lymphocytes (TH cells), replicates there and produces progeny viruses.

The progeny viruses attack other TH cells, so their number falls progressively.

Answer: (4)

NEET (UG) 2023

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2

Match List I with List II. Choose the correct answer from the options given below:

  1. A-I, B-II, C-III, D-IV
  2. A-IV, B-III, C-II, D-I
  3. A-III, B-IV, C-I, D-II
  4. A-II, B-I, C-IV, D-III
NEET (UG) 2023
3

Match List I with List II. Choose the correct answer from the options given below:

  1. A-II, B-III, C-I, D-IV
  2. A-III, B-II, C-I, D-IV
  3. A-III, B-II, C-IV, D-I
  4. A-II, B-III, C-IV, D-I
NEET (UG) 2023
4

Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below :

  1. Both Statement I and Statement II are correct
  2. Both Statement I and Statement II are incorrect
  3. Statement I is correct but Statement II is incorrect
  4. Statement I is incorrect but Statement II is correct
NEET (UG) 2022
5

Select the incorrect statement with respect to acquired immunity.

  1. Primary response is produced when our body encounters a pathogen for the first time.
  2. Anamnestic response is elicited on subsequent encounters with the same pathogen.
  3. Anamnestic response is due to memory of first encounter.
  4. Acquired immunity is non-specific type of defense present at the time of birth.
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6

Which of the following reasons is mainly responsible for graft rejection in transplantation of organs?

  1. Cell-mediated response
  2. Inability of recipient to differentiate between ‘self’ and ‘non-self’ tissues/cells
  3. Humoral immune response only
  4. Auto-immune response
NEET (UG) 2022 (Phase 2)
7

Match List-I with List-II : Choose the correct answer from the options given below :

  1. (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
  2. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
  3. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
  4. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
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8

Match List-I with List-II Choose the correct answer from the options given below

  1. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
  2. (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
  3. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
  4. (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
NEET (UG) 2021
9

Match the following diseases with the causative organism and select the correct option

  1. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
  2. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
  3. (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
  4. (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
NEET (UG) 2020
10

The infectious stage of Plasmodium that enters the human body is

  1. Trophozoites
  2. Sporozoites
  3. Male gametocytes
  4. Female gametocytes
NEET (UG) 2020
11

Identify the wrong statement with reference to immunity

  1. Active immunity is quick and gives full response.
  2. When exposed to antigen (living or dead) antibodies are produced in the host's body. It is called “Active immunity”.
  3. Foetus receives some antibodies from mother, it is an example for passive immunity.
  4. When ready-made antibodies are directly given, it is called “Passive immunity”
NEET (UG) 2020

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