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  3. NEET

NEET AIPMT SOLVED PAPER 2003

  • question_answer
                    Grey spots of oat are caused by deficiency of:                                                                                             

    A)                 Mn                         

    B)                 Fe                           

    C)                 Cu                          

    D)                 Zn

    Correct Answer: A

    Solution :

                    Grey spots of oat are caused by deficiency of manganese (Mn). It is a trace element, required in very small amount. Manganese exists in the soil in the form of bivalents, trivalents.


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