UPSC General Studies Solved Paper - General Studies-2011

  • question_answer
    When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up a dies because

    A)  water from soil cannot rise to aerial parts

    B)  roots are starved of energy

    C)  tree is infected by the soil microbes

    D)  roots do not receive oxygen for respiration

    Correct Answer: A

    Solution :

    Exp. [a] Removal of bark of the tree means to unprotect the xylem tissue bundles which carry water from roots to all other parts.


You need to login to perform this action.
You will be redirected in 3 sec spinner