Assertion-Reason: Sex determination in reptiles and humans
CBSE 2026 31/7/1 · SCI · Medium · Heredity · MCQ · 1 mark
For Question number 9, 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): In some reptiles, the temperature at which the fertilized eggs are kept determines whether the egg will develop into a male or a female. Reason (R): In human beings, the sex is determined genetically.
- 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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