(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?

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

SNAKES AND LADDERS
Make a board-game just like' snakes and ladders' with 10 - 10 grid boxes.
The mouth of the snake will represent the faulty food habit or faulty method of cooking. Its tail will represent the deficiency disease caused or loss of any nutrient in food.
Similarly, the box at the base of a ladder will represent healthy food habit or healthy method of cooking. Its upper end will represent the beneficial effect of that habit. An example is given as Fig. Complete the board and play with your friends.

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 ________.

Solve the cross-word puzzle given as Fig. from the clues given below.

Across
1. Lack of nutrients in our diet over a long period causes these diseases (10)
2. Rice and potato are rich in this type of carbohydrate (6)
3. Deficiency disease in bones making them become soft and bent (7)
4. The diet that provides all the nutrients that our body needs, in right quantities, along with adequate amount of roughage and water (8,4)
5. Deficiency disease with bleeding gums (6)
6. Disease caused due to deficiency of iodine (6)
Down
7. Starch and sugar in our food are rich in this type of energy giving nutrient (13)
8. The term given to the useful components of food (9)
9. The disease caused by deficiency of iron in diet (7)
10. Green leafy vegetables, liver and apples are rich in this mineral (4)
11. Deficiency disease caused due to lack of Vitamin Bl in the diet (8)

Check for the presence of starch, protein and fat in the given food items and complete the table given below:

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

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?

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.

Boojho was having difficulty in seeing things in dim light. The doctor tested his eyesight and prescribed a particular vitamin supplement. He also advised him to include a few food items in his diet.
(a) Which deficiency disease is he suffering from?
(b) Which food component may be lacking in his diet?
(c) Suggest some food items that he should include in his diet. (any four)