DUMET Medical DUMET Medical Solved Paper-2009

  • question_answer
    In \[{{C}_{4}}\] plants, the bundle sheath cells

    A)  have thin walls to facilitate gaseous exchange

    B)  have large intercellular spaces

    C)  are rich in PEP carboxylase

    D)  have a high density of chloroplasts

    Correct Answer: D

    Solution :

    In the leaves of \[{{C}_{4}}\] plants, the vascular bundles are surrounded by bundle sheath of larger parenchymatous cells, which in turn are surrounded by mesophyll cells. Bundle sheath  cells have a high density of larger chloroplasts which always lack grana whereas chloroplasts of mesophyll cells are smaller.


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