Home Chemistry Co-ordinatios Compounds Application of Organometallics Coordination compounds have great importance…
Chemistry Co-ordinatios Compounds Application of Organometallics Single Correct MCQ
Published on: August 13, 2026

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

A
Cyanocobalamin is and contains cobalt.
B
Haemoglobin is the red pigment of blood and contains iron.
C
Chlorophylls are green pigments in plants and contains calcium.
D
Carboxypepticase- A is an enzyme and contains zinc.

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The correct answer is:
C

Chlorophyll are green pigment in plant & contain magnesium instead of calcium.

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CG
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