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EAMCET Medical EAMCET Medical Solved Paper-2006

  • question_answer
    Parts of two plants were observed. Structure develops aerially and produces roots when comes in contact with the soil. Structure B develops from underground part of the stem, grows obliquely becomes aerial and produces roots on its lower surface. Identify, respectively the structure of A and B:

    A) sucker, stolen                   

    B) stolen, runner

    C) stolen, sucker                   

    D) runner, stolen

    Correct Answer: C

    Solution :

    Stolons are special kind of runners which initially grow upwards like ordinary branches and then arch down to develop new daughter plants on coming in contact with the soil. Sucker is a subaerial branch that arise from the main stem. Initially it grows horizontally below soil surface and later grow obliquely upward. Runners are prostrate aerial stem which has a long internode and creeps horizontally. Axiallary buds arise from nodes to form aerial shoots and roots e.g., Cynodon, and Oxalis.


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