Q: Which of the following is the richest source of vitamin A?
Correct: 0 / Attempted: 0
(A) Orange
(B) Apple
(C) Egg
(D) Liver
Answer: (D) Liver Explanation: Liver is the richest source of vitamin A among the options provided. It contains a high concentration of preformed vitamin A (retinol), which is more efficiently absorbed by the body compared to the provitamin A found in plant-based sources like oranges and apples. While eggs also contain vitamin A, liver provides the highest levels.
