J & K CET Medical J & K - CET Medical Solved Paper-2010

  • question_answer
    In plants, chlorosis is caused by the deficiency of

    A)  nitrogen                             

    B)  manganese

    C)  magnesium                      

    D)  All of these

    Correct Answer: C

    Solution :

                    Chlorosis is a condition in which leaves produce insufficient chlorophyll. As chlorophyll is responsible for the green colour of leaves, chlorotic leaves are pale, yellow or yellow-white. Chlorosis is typically caused when leaves do not have enough nutrients to synthesise all the chlorophyll they need. It can be brought about a combination of factors including a specific mineral deficiency in the soil, such as iron or magnesium.


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