Photosynthesis Question 81

81. Which one of the following is represented by Calvin cycle?

[1996]

(a) Reductive carboxylation

(b) Oxidative carboxylation

(c) Photophosphorylation

(d) Oxidative phosphorylation.

Show Answer

Answer : a

Hints & Solution

(a) In dark phase of calvin cycle of photosynthesis, the $CO_2$ is reduced to glucose in stroma of chloroplast, making use of the ATP and $NADPH_2$, (available from light phase).