BHU PMT BHU PMT (Mains) Solved Paper-2006

  • question_answer
    Raphides are the crystals of :

    A)  calcium oxalate

    B)  calcium

    C)   calcium phosphate

    D)  calcium carbonate

    Correct Answer: A

    Solution :

                     Calcium oxalate crystals are present in raphides of almost all the plants organs and are particularly common in storage organs, pith and  cortical tissues. The shape of the crystal is variable.


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