Photosynthesis In Higher Plants Question 104

Question: Bacteriochlorophyll differs from chlorophyll ‘a’ in having [CPMT 1989]

Options:

A) One pyrrol ring with one hydrogen

B) One pyrrol ring with two hydrogen

C) One pyrrol ring with three hydrogen

D) One pyrrol ring with four hydrogen

Show Answer

Answer:

Correct Answer: B

Solution:

Purple sulphur bacteria and non-sulphur bacteria contain bacterio-chlorophyll, which is having 2H-atoms more than chl.

a and it absorbs 850-950 nm (infra-red) wavelength of light.