Blood — NEET Biology Questions

Practice 51 questions on Blood from Body Fluids and Circulation (NCERT Class 11, Chapter 15). Free samples below — get all 51 in the app.

51 Questions Body Fluids and Circulation Class 11

Sample Questions — Blood

Try 5 questions below from Blood. Get all 51 in the MedicNEET app.

MCQ
A person with AB blood group can receive blood from which of the following groups?
  • A Only AB
  • B A, B
  • C A, B, O
  • D All groups
✅ Correct Answer: D
AB blood group has no antibodies in plasma, so it can accept blood from all types without immune reaction.
MCQ
Which plasma protein plays a major role in osmotic balance?
  • A. Fibrinogen
  • B. Albumin
  • C. Globulin
  • D. Prothrombin
✅ Correct Answer: B
Albumins are involved in maintaining osmotic balance in blood.
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MCQ
Which antibodies are naturally present in the plasma of a person with blood group A?
  • A Anti-A
  • B Anti-B
  • C Both Anti-A and Anti-B
  • D None
✅ Correct Answer: B
Individuals with blood group A have A antigens on RBCs and naturally possess anti-B antibodies in their plasma.
MCQ
Why does haemoglobin concentration matter in oxygen transport?
  • A. It helps form RBCs for oxygen transport
  • B. It absorbs COâ‚‚
  • C. It prevents clotting
  • D. It carries and releases oxygen efficiently
✅ Correct Answer: D
Haemoglobin in RBCs binds oxygen in lungs and releases it in tissues.
MCQ
Why should Rh factor be matched before a blood transfusion?
  • A It affects clotting
  • B It affects oxygen transport and can lead to decreased supply
  • C Rh− persons can produce antibodies against Rh+ blood
  • D It triggers allergy
✅ Correct Answer: C
Exposure to Rh+ blood in Rh− individuals leads to sensitization and immune reaction.

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