Question

Name two sources of vitamin A.

Answer 1

Hint: Vitamin A is the one of the unsaturated organic compounds and is fat soluble in nature. Because this vitamin is soluble only in the fats. It has many roles in the body and especially it is used by the retina in the form of retinol for its vision in the low light and the color vision.

Complete answer:
The vitamin A is useful in maintaining the correct growth and the healthy reproductive functions. It helps in the proper vision, regulates the good immune system to fight against the diseases. It also helps in maintaining the good health of the skin. This is useful at the time of pregnancy since this helps in the growth and the development of the embryo and the fetus.
But the overeating of the food that contains vitamin A also causes some ill effects like hair loss, jaundice, vomiting, irritability and the loss of appetite. It is available to the man in two different ways as performed vitamin A which is obtained in the form of retinols and the carotenoids which is obtained as alpha carotene, the beta carotene and the gamma carotene. The preformed vitamin A is available in liver, fish, dairy, meat etc. The carotenoids are also present in the plant foods like carrot, spinach, sweet potatoes etc.

Note: The deficiency of the vitamin A causes night blindness and the prone to viral infections. It means the vision is obtained at the day time and blind at the night time. It is also the hereditary disease that is inherited from one generation to the other generation via genes.