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NEET Sample Paper NEET Sample Test Paper-93

  • question_answer
    A trace element essential for plant growth and radioisotope, which is used in cancer therapy is

    A) cobalt   

    B)        calcium

    C) sodium 

    D)        iron

    Correct Answer: A

    Solution :

    [a] Cobalt stimulates growth of legumes such as beans, clover and alfalfa. This stimulation of growth by cobalt is due to its use, not by the plant itself, but by nitrogen-fixing bacteria that live in roots of plants.


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