Respiration In Plants Question 61

Question: What is the normal value of extinction point

Options:

A) $ 20%O_2 $

B) $ 2%O_2 $

C) $ 10%O_2 $

D) $ 30%O_2 $

Show Answer

Answer:

Correct Answer: B

Solution:

Extinction point: The point at which RQ value reaches unity at a certain oxygen concentration.

At this point, the rate of aerobic respiration will be optimum while anaerobic respiration will be completely stopped.