O2 released in the process of photosynthesis comes from

A. CO2

B. water

C. sugar

D. pyruvic acid

Answer: Option B

Solution(By Examveda Team)

Photosynthesis is the process by which plants use the energy of light to produce carbohydrates and molecular oxygen (O2) from carbon dioxide (CO2) and water.

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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