my teacher says, photosynthesis decrease in red light of wavelength 700nm. is it true?

Question

photosynthesis is effective at wavelength 400nm to 700nm. it decreases above 700nm and below 400nm.

Answer 1

yes
but different chlorophylls decrease at different rates
and bacteriochlorophylls are different too.

photosynthesis System I has different absorption of photosynthesis System II, even with the same chlorophyll, because it depends also of other accessory pigments such as carotenes and xanthophylls

Answer 2

ya it is true

Answer 3

TRY LOOKING UP ON GOOGLE..