4th Class Science Plants and Animals Question Bank Plant Life - II (How Plants Make Food)

  • question_answer
    Harish wants to test the presence of starch in a leaf. Given below are the in striations to  conduct  the experiment. Which of the following step is NOT necessary?

    A)  Boil the leaf first in water and then in alcohol.

    B)  Wash the bleached leaf.

    C)  Heat the leaf on a hot flame.

    D)  Add a few drops of iodine solution to the bleached leave.

    Correct Answer: C

    Solution :

    To test the presence of starch in a leaf, the leaf should be boiled and not to burn.


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