This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitamins and Minerals, Subject name: Biochemistry
Of the following which is absent in eggs: 
Select and explain. 
A. Vitamin B12, B. Vitamin C, C. Vitamin A, D. Vitamin B2
B: Vitamin C
Answer: B: Vitamin C 
Explanation: Ans. (b) Vitamin CRef: K. Park, 23rd ed. pg. 630* Eggs has all the nutrients except vitamin C and carbohydrate.* Eggs are also a source of folate, biotin pantothenic acid, choline, phosporous, iodine and selenium in terms of minerals and vitamins.* Egg contains Avidin, which interferes with biotin absorption.