1. (d): Milk.
Animal products like milk do not contain dietary fiber.
Dietary fiber is formed of cellulose and is obtained mainly from plant products.
Whole grains, whole pulses, fruits and vegetables are rich sources of dietary fiber.
2. (d): Cottage cheese (paneer)
Cottage cheese (paneer) is the source of animal protein whereas peas, gram and soya beans are the sources of plant proteins.
3. (b): Vitamin C
Vitamin C is present in a negligible amount in milk whereas protein, calcium and vitamin D are present in considerable amounts in milk.
4. (c): Wheat and Ghee.
Fats and carbohydrates are energy giving foods hence ghee is rich in fats whereas wheat is rich in carbohydrates. So, these are energy giving foods.
Iodized salt and spinach are protective foods because iodized salt contains minerals and spinach is rich in both minerals and vitamins.
5. (c): They are caused due to lack of nutrients in our diet. And they can be prevented by taking a balanced diet.
Deficiency diseases are the diseases which are caused by the deficiency of nutrients in the diet. These are non-infectious and do not spread from one to another person.
6. (b): ii, i, iv, iii
To test the presence of proteins in a food item, first, make a paste or powder of food to be tested (ii), then take a small quantity of the food item in a test tube, add 10 drops of water to it and shake it (i). After that add 2 drops of copper sulphate solution to it (iv), and finally, add 10 drops of caustic soda solution to the test tube and shake well (iii). Let the test tube stand for a few minutes and observe the colour of the solution in the test tube. The appearance of violet colour indicates the presence of proteins in the given food item.
7. (a) Protein
(b) Minerals
(c) Vitamin
(d) Carbohydrate
(e) Nutrients
(f) Fat
8. Water does not provide any nutrients to the human body, yet it is essential for life.
9. (a) fat, protein
(b) balanced diet
(c) obesity
(d) roughage
(e) vitamin C
10.
| Carbohydrate Rich food Item (A) | Protein Rich food Item (B) | Fat Rich food Item (C) |
| Sweet potato | Moong dal | Mustard oil |
| Rice | Fish | Cottage Cheese |
| Maize | Milk | Milk |
| White bread | Egg | Egg |
| Beans | Butter | |
| Buttermilk | Fish | |
| Cottage cheese | ||
| Peas |
11. (a) (i) chapati
(b) (ii) phosphorus (iii) D
(c) (iv) Butter
(d) (v) protein (vi) calcium
(e) (vii) Papaya
(f) (viii) iron
(g) (ix) peas (x) proteins
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