Assertion: Ramenta are scales which cover young rhizome and leaves of Dryopteris.
Reason: Pteridium lacks rementa.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both 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

b

Explanation

In Drypoteris, young rhizone and leaves are covered with dry, brown, chaffy scales known as ramenta. In pteridium, the rhizome and the leaves especially while young, are covered by a felt of simple hairs, and the scales are conspicuously absent.