Read the following statements about diseases.
(i) They are caused by germs.
(ii) They are caused due to lack of nutrients in our diet.
(iii) They can be passed one to another person through contact.
(iv) They can be prevented by taking a balanced diet.
Which pair of statements best describes a deficiency disease?

1

(a)

(i) and (ii)

(b)

(ii) and (iii)

(c)

(ii) and (iv)

(d)

(i) and (iii)

Roughage component in our food is made up of

1

(a)

glucose

(b)

cellulose

(c)

starch

(d)

cane sugar

Cyanocobalamin is vitamin

1

(a)

B₁₂

(b)

B₁

(c)

B₂

(d)

K

Skin, hair and nails are __________ .

1

(a)

protein

Our body contains___________ of water.

1

(a)

70%

_____________ is a rich source of fat.

1

(a)

Butter

Beri-beri is caused by the deficiency of vitamin-D.

1

(a) True

(b) False

Balanced diet for the body should contain a variety of food items.

1

(a) False

(b) True

What happens when wheat flour is sieved before making dough?

1

(a)

   

You are advised not to drink coca-cola, pepsi etc, find the reason.

1

(a)

   

Is there a situation called overnutrition?

2

(a)

Food provides some components to our body which are essential for healthy survival. What will happen in their absence?

2

(a)

Does animal food also consist of different components and do they also need a balanced diet?

2

(a)

Can you test and identify which of the following food items are fatty foods, i.e. food which is rich in fats? How will you test them?
Pulses, oil, wheat grains, butter, meat, rice, chapati, cucumber, pizza, poori and groundnuts.

3

(a)

A mineral causes anaemia when it is not present in sufficient concentration. Name this mineral. What are symptoms associated with this disease? Also list few sources of this mineral.

3

(a)

What do various nutrients do for our body?

3

(a)

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?

5

(a)