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Asseration : Bacteria and other particle...

Asseration : Bacteria and other particles pass down the wind pipe and enter the lunds, causing damage to the tissue.
Reason : Smoking reduces ciliary effectiveness.

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 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 both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
A
Conducting part of respiratory tract in most portions is lined with pseudostratified ciliated columnar epithelium. Cilia propel the microorganism outside the body to enter into our respiratory tract. Smoking reduces effectiveness of cilia and thus causes severe lung diseases.
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