Answer:
It is not the only photosynthetic pigment.
Explanation:
Chlorophyll is the green colouring matter in some leaves.
Chlorophyll is one of the pigments possessed by leaves.
Photosynthesis is the process through which plants make their own food.
Chlorophyll in the presence of sunlight synthesize food from carbon dioxide and water.
Chlorophyll is the only green pigment in leaves which carries out the process of photosynthesis.