A) Vitamin \[{{B}_{12}}\]
B) Chlorophyll
C) Haemocyanin
D) Carbonic anhydrase
Correct Answer: B
Solution :
[b] Formula of chlorophyll is . So, Mg is present in chlorophyll. It is the green colouring matter of leaves and green stems. Vitamin B12 contain cobalt. Haemocyanin contain copper and carbonic anhydraseYou need to login to perform this action.
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