Variations — task. Biology CBSE Live product, Class 10 (2025-26).

Section A: Choose the correct answer for the given question from the options.

Assertion (A): Variations can arise due to errors during DNA copying.

Reason (R): DNA copying is always perfectly accurate.

Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).
Assertion (A) is true but Reason (R) is false.
Assertion (A) is false but Reason (R) is true.

Did you find an error?

2. Variations