Question

A deficiency disease which causes drying up of skin and hair is
A. Pellagra
B. Beri-beri
C. Scurvy
D. Anorexia

Answer 1

Hint: Disease: It is a disorder related to structure or function in a human, animal, or plant that produces particular symptoms or Deficiency disease: Disease caused by deficiency or lack of particular vitamins and minerals.
For example: Anemia, scurvy or rickets, etc.

Complete answer:
A disease is a particular abnormal condition that affects the structure or function of all or part of an organism and that is not due to any immediate external injury.
Diseases mainly occur due to medical conditions that are correlated with specific symptoms and signs.
Deficiency of disease occurs due to lack of vitamins or minerals.

So, according to the given options:
> Option A Pellagra: It is deficiency disease caused due to the deficiency of vitamin B3 and it causes dementia, Diarrhea, dermatitis.

> Option B Beri-beri: It is caused due to the deficiency of vitamin B1 (Thiamine deficiency) and causes increased heart rate, swollen legs and shortness of breath.

> Option C Scurvy: It is caused due to the deficiency of vitamin C and it causes anemia, spontaneous bleeding, drying of hair and skin, ulceration of gums and loosening of teeth.

> Option D Anorexia: It is an eating disorder characterized by unwanted fear of being overweight.

Hence, The correct answer is option (C).

Note: Ricketts: It is deficiency disease caused due to the deficiency of vitamin D or calcium. It is a condition which results in soft bones, bowed legs, stunted growth, bone pain, large forehead and trouble sleeping. Treatment includes vitamin D and calcium supplements.