Explanation

Note: according to Fpsc answer key  the correct  ans is green light

Since the maximum absorption by chlorophyll occurs in red light.

It is the most effective wavelength for photosynthesis.

Chlorophyll strongly absorbs red light.

Thus it is effective at photosynthesis.

All important questions and Information Related to 'Photosynthesis"

Photosynthesis takes place in the presence of the following light Only in sunlight from the sun

Photosynthesis takes place faster in white light

Photosynthesis occurs more in blue and red light rays

Photosynthesis occurs more in blue and red light rays and less, or not at all, in green light rays.

ND2-03-2023