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Human Health and Disease · Question 9

NEET (UG) 2025MCQEasy📈 Topic in 38% papers+4−1
1

After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s) / tissue(s) like Choose the correct answer from the options given below

  1. E, A, B only
  2. C, D, E only
  3. B, C, D only
  4. A, B, C only

Answer

(2) C, D, E only

Solution

As per NCERT, the bone marrow and thymus are the primary lymphoid organs, where immature lymphocytes differentiate into antigen-sensitive lymphocytes.

After maturation the lymphocytes migrate to the secondary lymphoid organs — spleen, lymph nodes, tonsils, Peyer's patches of the small intestine and appendix — where they interact with the antigen.

⇒ Thymus (A) and bone marrow (B) are primary lymphoid organs.

∴ Spleen (C), lymph nodes (D) and Peyer's patches (E) are the secondary lymphoid organs/tissues.

Answer: (2)

NEET (UG) 2025

Keep practising — Human Health and Disease

2

Which of the following type of immunity is present at the time of birth and is a non-specific type of defence in the human body?

  1. Cell-mediated Immunity
  2. Humoral Immunity
  3. Acquired Immunity
  4. Innate Immunity
NEET (UG) 2025
3

Identify the statement that is NOT correct.

  1. Antigen binding site is located at C-terminal region of antibody molecules.
  2. Constant region of heavy and light chains are located at C-terminus of antibody molecules
  3. Each antibody has two light and two heavy chains.
  4. The heavy and light chains are held together by disulfide bonds.
NEET (UG) 2025
4

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

  1. A-I, B-III, C-II, D-IV
  2. A-IV, B-III, C-I, D-II
  3. A-III, B-I, C-IV, D-II
  4. A-II, B-IV, C-III, D-I
NEET (UG) 2024
5

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

  1. A-IV, B-III, C-I, D-II
  2. A-I, B-III, C-II, D-IV
  3. A-II, B-I, C-III, D-IV
  4. A-III, B-IV, C-I, D-II
NEET (UG) 2024
6

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

  1. A-II, B-IV, C-III, D-I
  2. A-I, B-III, C-II, D-IV
  3. A-III, B-I, C-II, D-IV
  4. A-IV, B-II, C-III, D-I
NEET (UG) 2024
7

Given below are two statements : In the light of 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) 2024
8

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

  1. Statement I is correct but Statement II is incorrect
  2. Statement I is incorrect but Statement II is correct
  3. Both Statement I and Statement II are correct
  4. Both Statement I and Statement II are incorrect
RE-NEET (UG) 2024
9

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

  1. A-III, B-IV, C-II, D-I
  2. A-IV, B-III, C-II, D-I
  3. A-III, B-IV, C-I, D-II
  4. A-III, B-I, C-IV, D-II
RE-NEET (UG) 2024
10

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

  1. A-I, B-IV, C-II, D-III
  2. A-IV, B-II, C-III, D-I
  3. A-III, B-IV, C-II, D-I
  4. A-II, B-IV, C-I, D-III
RE-NEET (UG) 2024
11

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

  1. B-lymphocytes
  2. Basophils
  3. Eosinophils
  4. TH cells
NEET (UG) 2023

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