NEET Biology question

Statement 1: Senescence is the time when age-associated defects are manifested. Statement 2: Certain genes may be undergoing sequential switching on and off during one's life.

(A)Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1Correct
(B)Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
(C)Statement 1 is True, Statement 2 is False
(D)Statement 1 is False, Statement 2 is True

Answer: (A)

Solution

Senescence is indeed the phase of life in which accumulated age-related deteriorations become evident (Statement 1 true), and this is explained by the programmed senescence theory, in which

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Question ID VK-122089