NEET Sample Paper NEET Sample Test Paper-14

  • question_answer 140) The most thoroughly studied and well known bacteriaplant interactions is the

    A)  Cyanobacterial symbiosis with some aquatic ferns.

    B)  Gall formation on certain angiosperms by Agrobacterium.                                  

    C)  Nodulation of Sesbania stems by nitrogen fixing bacteria.                                                

    D)  Plant growth stimulation by phosphate      

    Correct Answer: B

    Solution :

    This phenomenon has been successfully used in genetic engineering to produce disease resistant varieties of plants.

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