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Bacteriochlorophyll differs from chlophyll `a` in havingA. One pyroll ring with one hydrogenB. One pyroll ring with two hydrogenC. One pyroll ring with three hydrogenD. One pyroll ring with four hydrogen

Answer» Correct Answer - B
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.


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