Read the items of food listed below. Classify them into carbohydrate rich, protein rich and fat rich foods and fill them in the given table.
Moong dal, fish, mustard oil, sweet potato, milk, rice, egg, beans, butter, butter milk (chhachh), cottage cheese (paneer), peas, maize, white bread.

Name the following.
(a) The nutrients which mainly give energy to our body.
(b) The nutrients that are needed for the growth and maintenance of our body.
(c) A vitamin required for maintaining good eyesight.
(d) A mineral that is required for keeping our bones healthy.

(a) Are fats, proteins and starch present in all food items?
(b) Does a food item contain more than one nutrient?
(c) Is there any food item that does not contain any of the three nutrients?

(a) What are carbohydrates? Give an example.
(b) In which forms are carbohydrates found in our food?

Radha came back from school hungry and went to her mother in kitchen. Radha's mother was peeling vegetables. She noted that the peels were very thick and her mother then started washing vegetables. Radha asked her to stop washing the vegetables. Her mother was surprised and asked why? Radha told her all she knew about how nutrients are washed away if we peel and then wash them?
(a) If thick peels are removed from vegetables, what happens?
(b) Washing of vegetables after peeling is not a good practice. Can you tell why?
(c) What are those components that get washed away?
(d) Give two examples of vitamins and minerals containing food.
(e) Do you think Radha has any values? Name them.

Manvi was going to her friend's birthday. She enjoyed parties but today she was not feeling good. When her friend's mother observed this, she asked Manvi whether she is all right. Manvi told her that she has not eaten any food from the morning as she waited for the party. Manvi's friend told her to sit down and have some food. She obeyed and finished her food.
(a) Why was Manvi not feeling well?
(b) Name the components present in food. Out of these components, which are energy yielding ones?
(c) What values do you observe in Manvi?

List all the sources and importance of the following minerals in food.
(a) Calcium 
(b) Magnesium
(c) Potassium
(d) Zinc
(e) Iron

Observe the items given in fig. carefully and answer the questions that follow.

(a) Food item rich in carbohydrates is _______
(b) Egg is a rich source of protein, the mineral, ________ and vitamin _________
(c) _______ is a rich source of fat.
(d) Milk provides ________, vitamin D and ________ (mineral)
(e) _______ (fruit) is a rich source of vitamin A.
(f) Spinach is a good source of the mineral _________
(g) Both eggs and ________ are rich in ________.

How will you test the presence of proteins in food items?

(a) Which components of food are known as protective foods?
(b) Which food provides water to our body?
(c) Why should vegetables not be washed after cutting? Why should food not be overcooked?