The wheat flour contains husk, which is rich in carbohydrates, so Sarthak advises his mother not to sieve wheat flour before making dough.

'Modernisation' has led to the development of life style disorders. The life style disorders are obesity, fatigue, loss of vision, mental weakness etc. These disorders occur due to junk foods like pizza, burger etc. They can be prevented by taking balanced diet including carbohydrates, fats, proteins, vitamins and minerals.

Deficiency of vitamin-B₁ causes disease beri-beri.

No, the people of all ages and different professions require different types of nutrients according to their physical work.

Yes, when there is more intake of food it can lead to condition like obesity indicating overnutrition.

Parents are advised to discourage their children from eating chips and junk foods due to following reasons:
(i) Junk foods cause obesity
(ii) They may cause loss of appetite.
(iii) They cause mental problems.
(iv) These food items lead to wastage of money.

Our body needs all the nutrients in the right amount, hence we should eat a balanced diet. Vitamin C gets destroyed on heating.

Though minerals and vitamins are needed in very small quantities by our body yet these are important parts of balanced diet because
(i) vitamins are necessary for good eyesight (vitamin-A), growth (vitamin-B₁), keeping teeth gums and joints healthy (vitamin-C) and normal growth of bones (vitamin-D).
(ii) minerals are needed in our body for building bones and teeth (calcium and phosphorus), formation of blood (iron), coagulation of blood and functioning of muscles (calcium) and functioning of thyroid gland (iron).

Fats can be tested by a simple test:
(i) Take small amounts of all food materials one by one.
(ii) Place them on a clean white paper and rub with mild force.
(iii) Hold the paper towards light.
(iv) A greasy, translucent spot if appears, indicates the food component rich in fats.
Out of all food items, following are fat rich foods: Oil, butter, meat, pizza, poori, groundnuts.

The two sources of animal fats are- Meat and cheese
(i) Meat from different animals like hens, pigs, etc.
(ii) Cheese from milk produced by cones.

(a) Vitamins and minerals
(b) Tea, coffee, fruits, vegetables etc.
(c) Vegetables contain vitamins and minerals
which get washed away if vegetables are washed after cutting them.
Food should not be overcooked to prevent the loss of nutrients from it.

(a) chapati
(b) calcium,  D
(c) Butter
(d) protein,  calcium
(e) Papaya
(f) iron
(g) peas, proteins.

(a) The main sources of calcium minerals are milk, cheese, eggs and green vegetables. It also found in flour and bread.
It helps in formation of bone, teeth and blood clotting.
(b) Magnesium is found in cheese, green vegetable, bread and fish.
It helps in energy transfer and muscles activity. It works with calcium and vitamin-C.
(c) Potassium is found in meat, fruit, eggs, milk, etc.
The main function of potassium is balance in tissue fluid and blood. It also helps in nerve impulse conduction.
(d) Zinc is mainly found in onions, liver and green vegetables.
It works as a enzyme activator in our body.
(e) Iron is found in green vegetables, fresh fruits, etc.
Iron is needed to make haemoglobin present in red blood cells which carry oxygen from the lungs to the body parts.

(a) Manvi had not eaten any food since morning. She was tired as no energy giving food has been eaten by her. Lack of food leads to no energy and restlessness.
(b) The components present in food are carbohydrates, proteins, vitamins, fats and minerals.
Carbohydrates and fats are energy yielding components in food.
(c) Manvi is humble, fun loving girl who realised her mistakes. She respects her olders and tries to follow instructions given by them.