Biology · Biomolecules
विटामिन B12 (साइनोकोबालामिन) में कौन सा धातु आयन मौजूद होता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1मैग्नीशियम
- 2कोबाल्ट✓
- 3जस्ता
- 4लोहा
सही उत्तर देखें
कोबाल्ट
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Biology?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Biomolecules MCQs →Want more practice questions on Biomolecules?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Biology · Biomolecules