NEET Biology Anatomy of Flowering Plants Question Bank Secondary Growth

  • question_answer
    Knots in stems are formed due to [DPMT 1980, 86; MP PMT 1984; BHU 1988]

    A) Tumors formed due to bacterial infection of wounds

    B) Outgrowth of seconday tissue over wounds

    C) Injury caused by insects

    D) None of the above

    Correct Answer: B

    Solution :

    Knots: When wounds around cells undergo rapid cell division, then wound is covered by cells but the wound is not completely healup, so in adult stem knots are established.


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