Question

Intake of insufficient quantities of some nutrients causes what?

Answer 1

The deficiency of different nutrients in our body leads to the deficiency diseases.

The important nutrients and their related deficiency diseases are listed below;

(i) Proteins: Protein deficiency leads to inferior growth, swelling of face, discoloration of hair, diarrhoea etc.

(ii) Carbohydrates: The deficiency of carbohydrates makes a person lean and thin. The person remains tired and weak.

(iii) Vitamins: The deficiency of different vitamins leads to different types of disorders.

Vitamin	Deficiency disease	Symptom
Vitamin A	Night blindness	Poor vision
Vitamin B1	Beriberi	Weak muscles
Vitamin C	Scurvy	Bleeding gums
Vitamin D	Rickets	Soft and brittle bones

(iv) Minerals: The deficiency of different types of minerals leads to different types of disorders.

Mineral	Deficiency disease	Symptom
Iron	Anaemia	Weakness
Iodine	Goitre	Swollen glands of neck, weight loss
Calcium	Decay of bones and teeth	Disability in children, weak bones, decay of teeth