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प्रश्न
Coordination compounds have great importance in biological systems. In this context which of the following statements is incorrect?
पर्याय
Chlorophylls are green pigments in plants and contain calcium.
Haemoglobin is the red pigment of blood and contains iron.
Cyanidocobalamin is vitamin-B12 and contains cobalt.
Carboxypeptidase-A is an enzyme and contains zinc.
MCQ
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उत्तर
Chlorophylls are green pigments in plants and contain calcium.
Explanation:
Chlorophylls are green pigments in plants, but they contain magnesium, not calcium, at the centre of the porphyrin ring. The other statements are correct.
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