Which of the following biomolecules contains a non-transition metal ion?

  • A
    Vitamin $B_{12}$
  • B
    Chlorophyll
  • C
    Haemoglobin
  • D
    Cis-platin

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Among the following $B$ group vitamins,the deficiency of which one results in convulsions?

Which of the following vitamins is water-soluble?

Which among the following vitamins belongs to the aromatic series?

Thiamine and pyridoxine are also known respectively as :

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