Question

Green plants are able to prepare their own food because they have ___.

Answer 1

Chlorophyll:

1. Plants can synthesize their organic food from inorganic substances with the help of chlorophyll in presence of sunlight.
2. Chlorophyll is a green pigment found over the surface of the leaves.
3. The chlorophyll molecules trap light and convert it into chemical energy.
4. When light energy is absorbed, chlorophyll is excited which leads to the emission of energy.
5. This energy is utilized to produce molecules such as ATP.
6. These molecules are used in dark reactions to produce glucose.

Final answer: Green plants can prepare their food because they have chlorophyll.