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Q.

Coordination compounds have a great importance in biological system. In this context, which of the following statement is incorrect

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a

Haemoglobin is the red pigment of blood and contains iron

b

Carboxypeptidase-A is an enzyme and contains zinc

c

Chlorophylls are green pigments in plants and contain calcium

d

Cyanocobalamin-B12 contains cobalt

answer is A.

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Detailed Solution

Chlorophylls are the green pigments in plants which contain Mg not Ca.

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