The unicellular algae used to supply and regulate the oxygen in space programmes is

A. Spyrogyra

B. Chlorella

C. Ulothrix

D. Odogonium

Answer: Option B

Solution(By Examveda Team)

It is estimated that 2.3 kilograms of alga Chlorella pyrenoidosa produce enough oxygen to supply one man is space.

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Related Questions on Biology

Ozone hole refers to

A. hole in ozone layer

B. decrease in the ozone layer in troposphere

C. decrease in thickness of ozone layer in stratosphere

D. increase in the thickness of ozone layer in troposphere