MCQ
Which one of the following has magnesium?
  • A
    Vitamin $\mathrm {B}_{12}$
  • Chlorophyll
  • C
    Haemocyanin
  • D
    Carbonic anhydrase

Answer

Correct option: B.
Chlorophyll
$Mg$ is present in chlorophyll which is a green pigment and is used in photosynthesis in green plants.

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