Que.

Cobalt is a constituent of

  • A. Vitamin B12
  • B. Haemoglobin
  • C. Insulin
  • D. Thyroid hormone

Right Answer is :
✓ A. Vitamin B12
Views 👍 :713 Share : Share StudyVidya.com on Facebook Share StudyVidya.com on WhatsApp

✒ To discuss this topic Comment