Multiple choice

The green colour of leaves is due to the presence of

  1. carbon dioxide

  2. chlorophyll

  3. red light

  4. none of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chlorophyll is the green pigment found in chloroplasts of plant cells and algae, responsible for absorbing light energy for photosynthesis. It reflects green light (which is why leaves appear green) while absorbing red and blue wavelengths. This pigment is essential for converting light energy into chemical energy during photosynthesis. Carbon dioxide is absorbed, not the color source, and red light is absorbed, not the color giver.

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