Question

Main difference between chlorophyll a and chlorophyll b is

Answer 1

Answer:

Chlorophyll a is the primary photosynthetic pigment while chlorophyll b is the accessory pigment that collects energy and passes it on to chlorophyll a  

Explanation:

Answer 2

The difference between the chlorophyll a and chlorophyll b is the presence of aldehyde group in place of the methyl group in chlorophyll b which changes the absorption wavelength of both the pigments.

So, the correct option is 'CH3  of chlorophyll a is replaced by −CHO in chlorophyll b.