Which statement about photosynthesis is false?

  • A
    The enzymes required for carbon fixation are located only in the grana of chloroplasts.
  • B
    In green plants,both $PS I$ and $PS II$ are required for the formation of $NADPH + H^+$.
  • C
    The electron carriers involved in photophosphorylation are located on the thylakoid membranes.
  • D
    Photosynthesis is a redox process in which water is oxidised and carbon dioxide is reduced.

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Sugar produced in photosynthesis is converted into starch in

Assertion : Photosynthesis is important due to two reasons.
Reason : Photosynthesis is the primary source of food on earth and responsible for the release of oxygen from green plants.

Assertion: Six molecules of $CO_2$ and twelve molecules of $NADPH + H^+$ and $18\, ATP$ are used to form one hexose molecule.
Reason: Light reaction results in the formation of $ATP$ and $NADPH_2$.

Select the correct option from the following.

Anoxygenic photosynthesis is characteristic of

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