MGIMS WARDHA MGIMS WARDHA Solved Paper-2009

  • question_answer
    The specific character of \[{{C}_{4}}\]plants is

    A)  bulli form cells                 

    B)  Kranz anatomy

    C)   parallel venation           

    D)  isobilateral leaf

    Correct Answer: B

    Solution :

                     The C4 plants have Kranz   anatomy. The vascular bundle of the leaf is surrounded by one or more layer of chloroplast, containing cells (bundle sheath cells). The bundle sheath cells lack grana in their chloroplast while mesophyll cells have well developed grana. The mesophyll cells are specialized for light reaction and initial \[C{{O}_{2}}\]fixation during photosynthesis. The \[C{{O}_{2}}\]is finally fixed inside bundle sheath cell through Calvin cycle.


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