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STD 11 - 11. photosynthesis in higher plants — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 11. photosynthesis in higher plants1 Mark
MCQ
The water splitting complex is associated with
  • A
    $PS-I$
  • ✓
    $PS-II$
  • C
    Carotenoid
  • D
    Xanthophyll
✓

Answer

Correct option: B.
$PS-II$
b
The electrons that were moved from photosystem $II$ must be replaced. This is achieved by electrons available due to splitting of water. The splitting of water is associated with the $PS-II$. Water is split into $H^{+i i}, 0$ and electrons. This creates oxygen, one of the net products of photosynthesis. The electrons that are needed to replace those removed from photosystem-$I$ are provided by photosystem-$II$

$2 H _{2} O \rightarrow 4 H^{* i+0_{2}+4 e^{-2}}$

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