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GK QUESTION#3624

Which of the following events occurs at the beginning of the photosynthesis process in green plants?

  1. AChlorophyll captures light energy from sunlightCorrect answer
  2. BLight energy is transformed into chemical energy
  3. CCarbon dioxide is converted into glucose
  4. DWater molecules break down into hydrogen and oxygen
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Answer

A. Chlorophyll captures light energy from sunlight

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Explanation

The light-dependent process begins with absorption of light by photosynthetic pigments. Excitation energy then supports charge separation and later chemical-energy transformations. Carbon fixation uses the resulting energy carriers.

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