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(I) Light is basic need of physiological...

(I) Light is basic need of physiological processes of plants.
(II) The visible part of light is made-up of wavelength from about 500 nm (violet) to 600 nm (red).
(III) The rate of photosynthesis is maximum at blue (400 - 500 nm) and green 600 nm.
(IV) The green (500 - 600 nm) wave length of spectrum is less strongly absorbed by plants.

A

II and IV only

B

I and IV only

C

I and II only

D

I, III and IV only

Text Solution

Verified by Experts

The correct Answer is:
B
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