NEET Biology NEET PYQ-Kingdom Plantae

  • question_answer
    What is true for cyanobacteria?   [AIPMT 2001]

    A) Oxygenic with nitrogenase                       

    B) Oxygenic without nitrogenase

    C) Non-oxygenic with nitrogenase     

    D) Non-oxygenic without nitrogenase

    Correct Answer: A

    Solution :

    [a] Cyanobacteria (Greek: Kyanos-dark blue and bakterion- a staff) is also known as blue green algae. It is a very important group of photosynthetic bacteria in the history of life on earth.
                The cyanobacteria fix atmospheric nitrogen through the help of enzyme nitrogenase and are oxygenic photosynthetic also.


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