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NEET UG BIOLOGY MCQ: CHEMICAL COORDINATION AND INTEGRATION
1
Hard
1 of 1
Understanding
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Assertion (A): Size of thymus increases with the advancement of age.
Reason (R): Thymosin secretion has no role in immunity.
Reason (R): Thymosin secretion has no role in immunity.
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Correct option: D
Both assertion and reason are false.
Option D is correct because both the assertion and the reason are false. The thymus decreases in size with age, and thymosin plays a role in immunity.
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