Which of the following would happen if the supply of O2 is decreased to an illuminated wheat plant?

Question

Which of the following would happen if the supply of O2 is decreased to an illuminated wheat plant? (A) Its photosynthesis would decrease (B) Its respiration would increase (C) Its photosynthesis would increase (D) All the physiological process would stop

Tardigrade Admin · Accepted Answer

If the amount of oxygen in the atmosphere decreases then photosynthesis will increase in C3 cycle (wheat) and no change in C4 cycle.

Q. Which of the following would happen if the supply of $O_{2}$ is decreased to an illuminated wheat plant?

Its photosynthesis would decrease

Its respiration would increase

Its photosynthesis would increase

All the physiological process would stop

If the amount of oxygen in the atmosphere decreases then photosynthesis will increase in $C_{3}$ cycle (wheat) and no change in $C_{4}$ cycle.

Q. Which of the following would happen if the supply of O2​ is decreased to an illuminated wheat plant?