A) \[C{{O}_{\mathbf{2}}}\]
B) \[{{H}_{2}}p\]
C) chlorophyll
D) phosphoglyceric acid
Correct Answer: B
Solution :
Oxygen, which is liberated during photosynthesis comes from \[{{H}_{2}}O.\text{ }C{{O}_{2}}\]is reduced to form carbohydrate during photosynthesis. Chlorophyll is Mg containing green pigment which helps in photosynthesis. Phosphoglyceric acid is the first stable product of photosynthesis in \[{{C}_{3}}\] plants\[4{{H}_{2}}O4{{H}^{+}}+4O{{H}^{-}}\] \[4O{{H}^{-}}\,\xrightarrow{M{{n}^{+}}+,C{{l}^{-}}}2{{H}_{2}}O+{{O}_{2}}\uparrow +4{{e}^{-}}\]
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