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    Question

    “Corky core” in apples and “cracked fruit” of

    peaches is due to the deficiency of
    A Zinc Correct Answer Incorrect Answer
    B Copper Correct Answer Incorrect Answer
    C Boron Correct Answer Incorrect Answer
    D Potassium Correct Answer Incorrect Answer

    Solution

    Boron affects various processes, such as the translocation of sugars and the synthesis of gibberellic acid in some seeds. Flowering is often suppressed, while malformed fruit are produced, e.g. 'corky core ' in apples, and ' cracked fruit ' of peaches.

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