Plant Kingdom Question 379

Question: Assertion : Funaria is monoecious. Reason : Cross fertilization occurs in Funaria.

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

Show Answer

Answer:

Correct Answer: B

Solution:

Morphologically Funaria looks dioecious, but it is monoecious.

The antheridia (male sex organ) are formed at the summit of a relatively small, main leafy shoot which develops first.

It is in fact the parent plant.

The female branch arises later as a lateral outgrowth from the base of the parent male shoot.

When the two kinds of the sex organs are borne in separate clusters on two distinct branches of the same plant the arrangement is called monoecious.

Funaria is protandrous (male matures first).

This ensures cross fertilization.