A) NADPH2
B) ATP
C) Oxygen
D) PGA
Correct Answer: D
Solution :
Dark phase of photosynthesis is the phase, in which \[C{{O}_{2}}\] is assimilated with the help of assimilatory power to produce organic substance. The first stable compound is 3 phosphoglyceric acid or PGA in \[{{C}_{3}}\] plants. ATP and \[NADP{{H}_{2}}\] are produced during light reaction of photosynthesis. They provide energy and reducing power for light independent reaction. Oxygen is produced during light reaction as a result of photolysis (splitting) of water. \[4{{H}_{2}}O\xrightarrow[M{{n}^{+}},\,C{{l}^{-}}]{Light}2{{H}_{2}}O+4{{H}^{+}}+4{{H}^{+}}+{{O}_{2}}\]
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