Answer:
Option (B).
Step-by-step explanation:
Plants are known as autotrophic organism as they can prepare their own food. The plants need sunlight, carbon dioxide and water for the photosynthesis.
Plants uses sunlight that contains the solar energy. This solar energy is converted into the chemical energy from the breakdown of water molecule and formation of carbohydrates. Hence, the solar energy of sun is converted into chemical energy.
Thus, the correct answer is option (B).