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NEET Sample Paper NEET Sample Test Paper-89

  • question_answer
    A plant tissue when stained showed the presence of hemicellulose and pectin in cells wall of its cells. The tissue is called

    A) collenchyma      

    B)        sclerenchyma

    C) xylem   

    D)        meristem

    Correct Answer: A

    Solution :

    [a] Collenchyma is living mechanical tissue, found beneath the epidermis (i.e., hypodermis) of herbaceous dicot stem. The intercellular spaces in this tissue are absent because in intercellular spaces at the corner of cells thickenings of cellulose and pectin develop due to which the cell wall become rigid and thick at corners.


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