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Algae often float on surface of water du...

Algae often float on surface of water during day but sink down during night due to

A

Evolution and trapping of oxygen bubbles during the clay in their photosynthesis

B

Becoming light as they consume most of their food in the night

C

Warming action of sun during the day

D

Re lease of absorbed air by warming of water

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The correct Answer is:
A
Algae often float on surface of water during day but sink down during night due to evolution and trapping of oxygen bubbles during the day in their photosynthesis.
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  17. In CAM plants, CO(2) required for photosynthesis enters the plant duri...

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