Algae float in the water during day time and | vedclass

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Question

(D) During the day,algae perform photosynthesis,which releases $O_2$ gas as a byproduct. These $O_2$ bubbles get trapped within the algal filaments or

Vedclass · Accepted Answer

They become buoyant in light due to accumulation of oxygen bubbles released in photosynthesis

Vedclass · Answer

(D) During the day,algae perform photosynthesis,which releases $O_2$ gas as a byproduct. These $O_2$ bubbles get trapped within the algal filaments or thalli,making them buoyant and causing them to float on the water surface. At night,photosynthesis stops,and the $O_2$ bubbles are either consumed in respiration or escape into the water,causing the algae to lose buoyancy and sink.

Algae float in the water during day time and sink during night time because

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