MCQ
Dark reaction in photosynthesis is called so because
  • A
    It can occur in dark also.
  • B
    It does not directly depend on light energy.
  • C
    It cannot occur during day light.
  • D
    It occurs more rapidly at night.

Answer

  1. It does not directly depend on light energy.

Explanation:

Splitting of water molecule and formation ATP are directly driven by light and hence are called light reactions. Rest of the steps are not directly light driven and hence are called dark reactions (as per convention). This does not mean that they happen in dark and not during the day.

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