Answer:
The correct answer is Option d. photosynthesis.
Explanation:
Photosynthesis is the function of group of cells that contains a high number of chloroplasts. Photosynthesis is a process in which carbondioxide combines with water in the presence of sunlight produces glucose, oxygen and water. There are some special cells which are present in the leaves which uses light energy for food production. These cells are called chloroplast. In chloroplast a green pigment is present called chlorophyll.
