Assertion : If there is no air in trachea, it will collapse.
Reason : Trachea is having the cartilagenous ring.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and the reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If the assertion is false but the reason is true

Answer

D

Explanation

Trachea contains 16 – 20 incomplete horizontal rings of hyaline cartilage. There is no air in the trachea it does not collapse.