In each of the following situations what happens to the rate of photosynthesis?
(a) Cloudy days
Ans. Availability of sunlight is less on cloudy days. This will reduce the rate of photosynthesis.
(b) No rainfall in the area
Ans. No effect
(c) Good manuring in the area
Ans. No effect
(d) Stomata get blocked due to dust
Ans. Opening of stomata is essential for availability of carbon dioxide for photosynthesis. Blockage of stomata will reduce the rate of photosynthesis.