JIPMER Jipmer Medical Solved Paper-2015

  • question_answer
    Which one of the following categories of organisms do not evolve oxygen during photosynthesis?

    A)  Red algae

    B)  Photosynthetic bacteria

    C)  \[{{C}_{4}}\]plants with Kranz anatomy

    D)  Blue green algae

    Correct Answer: B

    Solution :

    The photosynthetic bacteria e.g., purple non-sulphur bacteria, use bacteria chlorophyll a and b in anaerobic environments for photosynthesis. The reducing agent involved is hydrogen rather than water, so oxygen is not produced. These bacteria also use infrared light for photo-synthesis.


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