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MCQ practice · SSC Biology Board questions · Chapter 6: Transport in Organisms

Chattogram Board 2022

Features of that blood:

  1. i. the amount of red blood cells is low
  2. ii. antigens are present
  3. iii. antibodies are absent

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: c ii and iii

AB blood has antigens (ii) and no antibodies (iii); its red cell count is not low (i is false).

Why the other options are wrong

  • a i and ii: i is false: blood group has nothing to do with the amount of red cells.
  • b i and iii: Drop i and ii with iii is right. The right choice is: ii and iii.
  • d i, ii and iii: Taking all three includes the false statement i.