Class 10 notes

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substances and convert them into stored energy. This involves the

conversion of carbon dioxide and water into carbohydrates in the presence

of sunlight and chlorophyll.

Surplus carbohydrates produced through photosynthesis are stored in the

form of starch.

Similarly, in our bodies, a portion of the energy derived from the food we

eat is stored in the form of glycogen.

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E.M.A

Respiration: The process of acquiring oxygen from outside the body, and using it in

the process of break-down of food sources for cellular needs, is called respiration.

PRASHANT KIRAD Chlorophyll absorbing light energy.

Transformation of light energy into

chemical energy.

Separation of water molecules into

hydrogen and oxygen.