A) As a result of light reaction, oxygen, NADPH and ATP are formed Oxygen is released into the atmosphere, while NADPH and ATP are utilised for reduction of carbon dioxide to carbohydrate in dark reaction.
B) In \[{{\operatorname{C}}_{3}}-plants\], carbon dioxide, combines with RuBP to form phosphoglyceric acid, on the other hand in\[{{C}_{4}}-plants\], carta dioxide is first picked up by phosphoenol pyruvate to form oxaloacetic acid.
C) Cytochrome plays very important role in ETS of photosynthesis as well as respiration.
D) Energy is released during photorespiration and ammonia is not released from photorespiration.
Correct Answer: D
Solution :
Photorespiration is a process in plant metabolism which attempts to ameliorate the consequences of a wasteful oxygenation reaction by the enzyme. RuB is CO. During the photo respiratory reactions, energy is not released during photorespiration. Ammonia is released from photorespiration.
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