1.

What are necessary conditions of photosynthesis

Answer» i) SUNLIGHT : Chlorophyll of the leaves of the plant trap sunlight and converts them into chemical energy during photosynthesis. Plant utilizes visible light only which is made up of 7 colours and green colour is least absorbed ( it reflects green the most - that\'s why the leaves appear green).ii) CHLOROPHYLL: Chlorophyll is a green pigment mainly present in the leaves of the plant. There are many types of chlorophyll named a, b, c, d, e and bacterio-chlorophyll. Chlorophyll a and chlorophyll b are most abundently present in the nature.iii)CARBON DIOXIDE: Plants take carbon dioxide through stomata to make glucose(food for the plants).iv) WATER: Water is absorbed by the roots of the plants through osmosis. Through xylem, water is tranported to all parts of the plant.


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