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  3. JEE Main & Advanced

JEE Main & Advanced AIEEE Solved Paper-2004

  • question_answer
    Coordination compounds have great importance in biological systems. In this context which of the following statements is incorrect?

    A) Chlorophylls are green pigments in plants and contain calcium

    B) Haemoglobin is the red pigment of blood and contains iron

    C) Cyanocobalamin is vitamin \[{{B}_{12}}\] and contains cobalt

    D) Carboxypeptidase-A is an enzyme and contains zinc

    Correct Answer: A

    Solution :

    Chlorophyll contains Mg, hence option (a) is incorrect statement.


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