Assertion : Hydra is green coloured.
Reason : Green colour is due to the presence of chlorophyll in their body wall.

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

Answer

C

Explanation

H. viridis is green in colour. Its bright green colour is not because of chlorophyll containing chloroplasts, but due to the presence of symbiotic zoochlorallae, Chlorella vulgaris, a unicellular green alga, that lives in its gastrodermal cells.