Question

Deficiency of vitamin A leads to a disease known as
A.Scurvy
B.Night blindness
C.Beriberi
D.Rickets

Answer 1

Hint:The essential nutrients that are required for the body to work well and stay healthy are known as vitamins. Vitamins are required for aiding all the reactions that are carried out in the body. Vitamins are not synthesized inside the human body and thus, it is necessary to include vitamins in our diet. The vitamins are obtained from the food that we eat or from the vitamin supplements.

Complete step by step answer:
Vitamins help the body to carry out different functions such as boosting and strengthening the immune system, repairing and maintaining the cells, tissues and organs.
Vitamins help in converting food into energy which is required for the body to perform work.
Vitamin A deficiency causes dry and rough skin, inflamed eyes, throat and chest infections, night blindness and delayed growth. Vitamin A plays a vital role in the production of pigments that are required for a proper functioning of retina.
Thus, the deficiency of vitamin A leads to a disease known as night blindness.
Thus, the correct option is option (A).

Additional Information:
The sources of vitamin A are nuts, eggs, liver, fish, beetroot, green leafy vegetables, milk, cheese, mangoes, bananas, pumpkins, watermelons, potatoes and carrots. Vitamin A deficiency can be treated by including vitamin A rich foods in diet or by taking vitamin A supplements. Vitamin A pill can lead to a faster recovery from vitamin A deficiency.

Note:
Vitamins perform many essential functions in our body and are required in adequate amounts for proper body functioning. Vitamins are not synthesized in our body and should be included in the diet.