NEET Sample Paper NEET Sample Test Paper-15

  • question_answer Two bacteria found to be very useful in genetic engineering experiments are

    A)  Escherichia and Agrobacterium

    B)  Nitrobacter and Azotobacter

    C)  Rhizobium and Diplococcus

    D)  Nitrosomonas and Klebsiella

    Correct Answer: A

    Solution :

    Escherichia and Agrobacterium are both used as vectors in genetic engineering. Nitrobacter converts nitrites to nitrates. Azotobacter is a free living nitrogen fixing bacteria. Nitrosomonas converts ammonia to nitrates. Rhizobium is a symbiotic nitrogen fixing bacteria living in the root nodules of leguminous plants Diplococcus pneumonia causes pneumonia. Hence, the correct option is [a].


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