Assertion : Thick cuticle is mostly present in disease resistant plants.
Reason : Disease causing agents cannot grow on cuticle and cannot invade the cuticle.

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 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

Answer

A

Explanation

The thickness and toughness of outer wall of epidermal cell are apparently important factors in the resistance of some plants to certain pathogen for example barberry Puccini-a griminess tritici resistance is attributed to the tough outer epidermal cells.