Biological Classification And System Of Classification Question 262

Question: Assertion : Microcyst of myxamoebae lacks cell wall. Reason : Microcyst is formed in sexual reproduction of slime moulds.

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 the assertion is false but reason is true

Show Answer

Answer:

Correct Answer: D

Solution:

Under unfavourable conditions, a myxamoeba secretes a rigid cellulose wall to form the microcyst.

On the return of favourable conditions, the microcyst wall ruptures to release a myxamoeba.

In the sexual reproduction process, the myxamoebae form clusters.

The central myxamoeba of the cluster engulfs a surrounding myxamoeba to become larger structure which forms a thick wall to form the zygote.

This zygote is called microcyst.