For which of the following is chlorophyll used in photosynthesis?
- AReduction of CO₂
- BBreaking down water molecules
- CNo function
- DAbsorbing light
Show answer and explanation
Correct answer: (d) Absorbing light
Explanation
Chlorophyll is the green pigment whose main role is absorbing light energy for photosynthesis.
It absorbs mainly in the blue and red wavelengths, which then drives formation of ATP and NADPH.
Reduction of CO₂ and splitting of water are later steps powered by this absorbed energy, not the pigment's direct job.