Respiration in Plants Question 43
43. The mechanism of ATP formation both in chloroplast and mitochondria is explained by
[1997]
(a) relay pump theory of Godlewski
(b) Munch’s pressure/ mass flow model
(c) chemiosmotic theory of Mitchell
(d) Cholondy-Went’s Model
Show Answer
Answer : c
Hints & Solutions
(c) According to the chemiosmotic theory the energy liberated during electron transport performs the osmotic work of accumulating $H^{+}$ ions, conserving energy in building a proton gradient, which is used to build ATP from ADP and inorganic phosphate.
