(i).
| Malnutrition | Undernutrition |
| If a person eats sufficient amount of same type of food having one component only, he suffers from malnutrition. | If a person does not get sufficient amount of food as per his requirements, he suffers from undernutrition. |
(ii).
| Proteins | Carbohydrates | |
| Function | These are body-building foods which help in growth and repair of body. | These are energy-giving foods and act as fuels for body. |
| Source | Milk, fish, meat, eggs, etc. | Rice, wheat, sugarcane, sugar beet, etc. |