NEET Sample Paper NEET Sample Test Paper-19

  • question_answer 156) The introduction of T-DNA into plants involves

    A)  Altering the pH of soil, then heat-socking the plants.

    B)  Exposing the plants to cold for a brief period

    C)  Allowing the plant roots to stand in water.

    D)  Infection of the plant by Agrobacterium tumefaciens.

    Correct Answer: D

    Solution :

    The tumour inducing (Ti) plasmid of Agrobacterium tumifaciens has now been modified into a cloning vector which is no more pathogenic to the plants but is still able to use the mechanisms to deliver genes of our interest into a variety of plants. Hence, the correct option is [d].

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