Multiple choice

Deficiency of Vitamin-A causes which of the following?

The various forms of Vitamin-A work as hormone and are present in the vertebrate eye in the form of visual pigment. Vitamin-A activity is seen in both carotenoids and retinoids.

  1. Pellagra

  2. Affects liver and central nervous system

  3. Dermatitis

  4. Xerophthalmia and dryness of eyes, mucous membrane and skin

  5. Haemorrhagic disease

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Xerophthalmia is a disease in which the cornea and conjunctiva of the eye get dried due to prolonged Vitamin-A deficiency. In this condition the eye fails to produce tears. Vitamin-A deficiency also causes dryness in mucous membrane, skin and delayed growth and development.