Question

Leaves are green because they
A.Absorb green light
B.Do not absorb but reflect green light
C.Utilise green light
D.Absorb and reflect green light

Answer 1

The molecule known for absorbing sunlight and using sunlight, $CO_2$ and water for the synthesis of carbohydrates is chlorophyll. This mechanism is known as photosynthesis and is the basis for sustaining the life cycles of all plants.

Complete answer:
The molecule known for absorbing sunlight and using sunlight, CO2 and water for the synthesis of carbohydrates is chlorophyll. This mechanism is known as photosynthesis and is the basis for sustaining the life cycles of all plants.