1.

Assertion : Hydra is green coloured. Reason : Green colour is due to the presence of chlorophyll in their body wall.A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both the assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false

Answer» Correct Answer - C
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 vulgaries, a unicellular green alga, that lives in its gastrodermal cells.


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