Assertion-Reason: Ventricle wall thickness
CBSE 2026 31/7/1 · SCI · Medium · Life Processes · MCQ · 1 mark
For Question number 8, select the correct option from the following: (A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A). (B) Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A). (C) Assertion (A) is true, but Reason (R) is false. (D) Assertion (A) is false, but Reason (R) is true.
Assertion (A): Walls of the ventricles are thicker than those of the atria. Reason (R): Thick walls of the ventricles help in preventing the backflow of blood.
- A.
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
- B.
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
- C.
Assertion (A) is true, but Reason (R) is false.
- D.
Assertion (A) is false, but Reason (R) is true.
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