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NEET Biology Morphology of Flowering Plants (Root, Stem And Leaf) Question Bank Critical Thinking

  • question_answer
    Thick-walled and lignified with simple pits in walls and non-prosenchymatous cells without living protoplasm usually isodiametric or irregular in shape are              [AMU 1990]

    A) Parenchyma

    B) Collenchyma

    C) Fibres

    D) Sclereids

    Correct Answer: D

    Solution :

    They are lignified, extremely thick walled. So that the lumen of the cells is almost obliterated and may be spherical, oval, cylindrical, T-shaped and even stellate. They are generally found in hard parts of the plant.


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