Respiration In Plants Question 117

Question: Final electron acceptor in ETS is [Kerala CET 2002; CPMT 2003; BHU 2004]

Options:

A) $ H_2O $

B) $ O_2 $

C) $ cvta_3 $

D) $ cvta $

Show Answer

Answer:

Correct Answer: B

Solution:

The oxygen is the terminal acceptor of electrons which forms a water molecule in presence of protons in ETS $ ( \frac{1}{2}O_2+2{e^{-}}\to {O^{-2}},,2{H^{+}}+{O^{-2}}\to H_2O ) $