Assertion: Water is not required for fertiization process in ferms.
Reason: Malic acid of archegonial neck attracts antherozoids.

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 fem. Fertilization usually takes place if the prothalli are watered from abvoe as they would be by rain in the ordinary course of nature. They possess flagella for swimming movement towards archegonia through water.
The discharged matter at the mouth of the opened archeagonial neck probably contains some chemical substance e.g. malic acid, which by positive chemotaxis attracts the free swimming antherozoids. which penetrate the neck and reach the deeply seated ovum.