Q63 of 367 Page 26

What is photosynthesis?

The process by which green plants make their food in the presence of sunlight and chlorophyll with the help of inorganic substances like carbon dioxide and water, is called photosynthesis.


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62

Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long? Give reason for your answer.

 62

What will happen to the rate of photosynthesis in a plant under the following circumstances?

(i) cloudy day in morning but bright sunshine in the afternoon


(ii) no rainfall in the area for a considerable time.


(iii) gathering of dust on the leaves

 63

Write a chemical equation to show the process of photosynthesis in plants.

 63

Explain the mechanism of photosynthesis.