NEET Biology Respiration In Plants Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

Respiration In Plants Topic Based

Question & Answer Discuss:

In the electron transport system, the final acceptor of proton is

(a) cytochrome a3

(b) cytochrome b

(c) oxygen

(d) ubiquinone (substance A)

Answer: (c)

In the electron transport system, the final acceptor of proton is oxygen. Oxygen functions as the terminal acceptor of electrons and is reduced to water along with the hydrogen atoms in mitochondrial matrix. It drives whole process by removing hydrogen from system.

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