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Match List-I with List-II. List-I List-II (A) Innate immunity (I) Pathogen-specific defence characterised by memory (B) Acquired immunity (II) Mediated by B-lymphocytes producing antibodies (C) Humoral immunity (III) Non-specific defence present at the time of birth (D) Cell-mediated immunity (IV) Mediated by T-lymphocytes and responsible for graft rejection Choose the correct answer from the options given below:

Options

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

Correct answer

B. (A)-(III), (B)-(I), (C)-(II), (D)-(IV)

Step-by-step solution

Innate immunity is a non-specific type of defence that is present at the time of birth. Acquired immunity is pathogen-specific and is characterised by immunological memory. Humoral immunity is the immune response mediated by antibodies, which are produced by B-lymphocytes and found in the blood. Cell-mediated immunity is mediated by T-lymphocytes and is responsible for the rejection of tissue or organ grafts. Answer: (A)-(III), (B)-(I), (C)-(II), (D)-(IV)

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