Assertion: Both bryophytes and pteridophytes contain well-developed antheridia.
Reason: Biflagellate sperms are formed by their antheridia.

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

d

Explanation

In bryophytes, antheridia are well developed and often possess a stalk. In pteridophytes, antheridia are less developed and generally devoid of a stalik whereas pteridophyses has multiflagellate sperm formed from androcyte cell of antheridium. Bryophytes has biflagellate sperm.