NCERT Solutions for Chapter: Components of Food, Exercise 3: SHORT ANSWER QUESTIONS

Tasty food is not always nutritious and nutritious food may not always be tasty to eat. Comment with examples.

While using iodine in the laboratory, some drops of iodine fell on Paheli’s socks and some fell on her teacher’s saree. The drops of iodine on the saree turned blue-black while their colour did not change on the socks. What can be the possible reason?

Paheli and Boojho peeled some potatoes and cut them into small pieces. They washed and boiled them in water. They threw away the excess water and fried them in oil adding salt and spices. Although the potato dish tasted very good, its nutrient value was less. Suggest a method of cooking potatoes that will not lower the nutrients in them.

Paheli avoids eating vegetables but likes to eat biscuits, noodles and white bread. She frequently complains of stomach aches and constipation. What are the food items that she should include in her diet to get rid of the problem? Give reason for your answer.

List all those components of food that provide nutrients.

Mention two components of food that do not provide nutrients.

'Minerals and vitamins are needed in very small quantities by our body as compared to other components, yet, they are an important part of a balanced diet.’ Explain the statement.

‘Water does not provide nutrients, yet it is an important component of food.’ Explain?