Step 1: Identifying calciferol.
Calciferol is the chemical name for Vitamin D2. It is a form of Vitamin D that is used to prevent or treat Vitamin D deficiency. Vitamin D2 is commonly obtained from plant sources and is often used in supplements.
Step 2: Analyzing the options.
(A) Vitamin A: This is not correct as calciferol is Vitamin D, not Vitamin A.
(B) Vitamin C: This is incorrect. Vitamin C is a separate vitamin that is involved in collagen synthesis.
(C) Vitamin B2: This is incorrect, as Vitamin B2 refers to riboflavin, not calciferol.
(D) Vitamin D2: Correct — Calciferol is the name for Vitamin D2.
Step 3: Conclusion.
The correct answer is (D) Vitamin D2 as calciferol is another name for Vitamin D2.