A) Cyanocobalamin is \[{{B}_{12}}\] 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.
Correct Answer: C
Solution :
Chlorophyll are green pigment in plant & contain magnesium instead of calcium.
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