Question

During cloudy days, the rate of photosynthesis

• A. Increases
• B. Decreases
• C. No change in rate
• D. Fluctuates

Answer 1

Answer: (B)

Decreases

Light is an important factor needed for photosynthesis. During photosynthesis, the light energy is captured as chemical energy in organic molecules. In cloudy days, the amount of sunlight on the leaves is scanty, so the rate of photosynthesis also decreases.

So, the correct answer is option B.