The question asks to identify the common chemical name for Vitamin D3.
Vitamin D3 is a fat-soluble vitamin essential for calcium absorption and bone health. Its specific chemical name is Cholecalciferol.
Therefore, the correct identification for Vitamin D3 among the options is Cholecalciferol.
| List-I (Terms) | List-II (Explanations) |
| A. Biohazards | I. Single celled living organism |
| B. Bacteria | II. Most lethal ultra microscopic inert infectious agents |
| C. Viruses | III. Organisms which live in or on another living organisms |
| D. Parasites | IV. Hazards related to disease in plants, animals and humans |