Question

Green plants use _________, _________ and __________ to make food.

Answer 1

Raw materials required by plants to make food:

1. Plants have autotrophic mode of nutrition.
2. So they utilize simple inorganic materials to prepare their own food (glucose) for energy.
3. The raw materials used are carbon dioxide and water.
4. Water results in oxygen production and carbon dioxide is reduced to form the glucose.
5. Apart from these two, the presence of sunlight and chlorophyll is also required for photosynthesis.
6. The sunlight is captured by chlorophyll and it is activated to initiate the process of photosynthesis.

Final answer : Green plants use oxygen, carbon dioxide and sunlight to make food.