<prompt> Egg is deficient in -Vitamin BVitamin CFatProteins  <response>: Ans. is b i.e., Vitamin C o Egg contains all nutrients except carbohydrate and Vitamin Co Food items as Poor Sources of nutrients : Milk is a poor source of Vitamin C and Iron. Milk is a poor source of Calcium. Milk is a poor source of Carbohydrates.o Food items as Rich Sources of nutrients : Halibut Liver Oil is richest source of Vitamin A and Vitamin D. Indian Gooseberry amla is richest source of Vitamin C. Gingelly seeds are richest source of Vitamin Bj Thiamine. Sheep liver is richest source of Vitamin B2 Riboflavin. 