Haryana PMT Haryana PMT Solved Paper-2010

  • question_answer
    Zinc as a nutrient is used by the plants in the form of

    A)  Zn                                         

    B)  \[Z{{n}^{2+}}\]

    C)  ZnO                                      

    D)  \[ZnS{{O}_{4}}\]

    Correct Answer: B

    Solution :

                    Zinc is taken up by the plants in the form of \[Z{{n}^{2+}}.\] It is required for biosynthesis of chlorophyll in some plants. Deficiency of zinc is shown by a reduction in internodal growth as a result plants display a rosette habit of growth in which the leaves form a circular cluster radiating at or close to the ground.


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