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Human Health and Disease · Question 6

RE-NEET (UG) 2026MCQEasy📈 Topic in 38% papers+4−1
1

Which of the following are secondary lymphoid organs?

  1. A and D only
  2. A and B only
  3. B and C only
  4. B and D only

Answer

(3) B and C only

Solution

Primary lymphoid organs are bone marrow and thymus, where immature lymphocytes differentiate and mature. Secondary lymphoid organs include spleen, lymph nodes, tonsils, Peyer's patches of small intestine, and appendix. Therefore, tonsils (B) and spleen (C) are secondary lymphoid organs.

Answer: (3)

RE-NEET (UG) 2026

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2

Neoplastic characteristics of cells refer to: Choose the correct answer from the options given below:

  1. A, B, D only
  2. B, C, D only
  3. A, B only
  4. A, B, C only
NEET (UG) 2025
3

Which are correct: Choose the correct answer from the options given below:

  1. C and D only
  2. A and C only
  3. B and D only
  4. D and E only
NEET (UG) 2025
4

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
NEET (UG) 2025
5

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
6

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
7

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
8

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
9

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
10

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
11

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
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