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NEET AIPMT SOLVED PAPER 2000

  • question_answer
                    Which one of the following has magnesium?                                                                                     

    A)                 Vitamin \[{{B}_{12}}\]                                                                             

    B)                         Chlorophyll        

    C)                 Haemocyanin                                   

    D)                 Carbonic anhydrase

    Correct Answer: B

    Solution :

                                    Formula of chlorophyll is \[{{C}_{55}}{{H}_{72}}Mg{{N}_{2}}{{O}_{6}}\]. So, Mg is present in chlorophyll. It is the green colouring matter of leaves and green stems. Vitamin \[{{B}_{12}}\] contain cobalt. Haemocyanin contain copper and carbonic anhydrase \[{{H}_{2}}C{{O}_{3}}\].


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