Question

Which of the following is true regarding the energy from the Sun?

• A. A small portion of Sun's energy is absorbed by the green plants through the process of photosynthesis.
• B. In the process of conversion of heat energy to chemical energy by plants, carbon-dioxide and water are converted into carbohydrates.
• C. The carbohydrates synthesized in the plants by the aid of solar energy is used by the human beings and animals in the form of mechanical energy.
• D. All of the above.

Answer 1

The correct option is D All of the above.

A small portion of the Sun's energy reaching the Earth is absorbed by green plants through the process of photosynthesis. This energy is converted into chemical energy and stored in plants. In this process, carbon dioxide and water are converted into carbohydrates. These carbohydrates are used as food by the living organisms. The human beings and animals eat this food to carry out their life activities thus converting the chemical energy into mechanical energy.