6th Class Science The Living World Question Bank The World of Living

  • question_answer Refer to the given paragraph.
     The two main types of root are X and Y. X roots are mostly found in plants having leaves with reticulate venation, while Y roots are mostly found in plants having leaves with parallel venation. Select the incorrect statement regarding X and Y.
     

    A) Radish, turnip and carrot are modifications of X.

    B) X is found in gram while Y is found in barley.

    C) X spreads horizontally hence cannot provide strong anchorage whereas Y penetrates very deep into the soil hence provides strong anchorage.

    D) In Y, primary root is short-lived while X has persistent primary root.

    Correct Answer: C

    Solution :

    In the given paragraph, X and Y refer to tap roots and fibrous roots respectively. Tap roots (X) penetrate very deep into the soil hence provide strong anchorage to the plant whereas fibrous roots (Y) are shallow and grow horizontally in the soil hence they cannot provide very strong anchorage to the plant.

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