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MCQ practice · SSC Biology Board questions · Chapter 11: Reproduction in Organisms

Dinajpur Board 2021

As a result of the said disease-

  1. i. White blood cells of the blood are destroyed
  2. ii. Antibody production of cells is not disrupted
  3. iii. It does not pass directly from an infected father to a child

Think it through first, then pick an option.

  1. a i and ii
  2. b i and iii
  3. c ii and iii
  4. d i, ii and iii
Answer and explanation

Correct answer: b i and iii

i and iii are right: white cells are destroyed, and it does not pass directly from an infected father to a child; ii is wrong.

Why the other options are wrong

  • a i and ii: i and ii: ii is wrong, since HIV disrupts antibody production. i is right, but iii is right too.
  • c ii and iii: ii and iii: ii is wrong, since antibody production is disrupted. i is left out.
  • d i, ii and iii: Not all three, since ii is wrong: HIV interferes with the making of antibodies.