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NEET Biology Photosynthesis in Higher Plants Question Bank Critical Thinking

  • question_answer
    Bacteriochlorophyll differs from chlorophyll 'a'  in having [CPMT 1989]

    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

    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.


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