DENDROLOGY

TREE PHYSIOLOGY

PHOTOSYNTHESIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the “waste” gas produced during photosynthesis?
A
oxygen
B
nitrogen
C
helium
D
hydrogen
Explanation: 

Detailed explanation-1: -The gas used up is carbon dioxide. The end product obtained by photosynthesis are glucose and oxygen. Oxygen is given out as a waste product during photosynthesis.

Detailed explanation-2: -Some of the oxygen produced in the process of photosynthesis is used in respiration by the leaf cells but the major portion of it is not required and it diffuses out into the atmosphere through the stomata. Therefore, it may be called a waste product of photosynthesis.

Detailed explanation-3: -Carbon dioxide is the waste product of cellular respiration that you breathe out each time you breathe.

There is 1 question to complete.