Chapter 2       WORKSHEET-2

                                Components of food

A. Put a tick (3) on the correct word:
1. Scurvy/Rickets is the deficiency disease of vitamin C.
2. Deficiency of iodine causes anaemia/goitre.
3. Fruits and vegetables are protective/body building foods.
4. Spinach is a good source of calcium/iron.
5. Excessive loss of water causes dehydration/loss of vision.

B. Write one or two words for each:
1. The food which a person takes ________________
2. Diseases caused by lack of nutrients in our food ________________
3. Chemical substances needed by our body for proper growth
and functioning ________________
4. Undigestible part of food stuffs ________________
5. The foods which protect our body against diseases ________________

C. Complete the sentences:
1. The popular dish kheer consists of _______________________________________________.
2. The main nutrients are carbohydrates, ____________________, _____________________,
_____________________________________.
3. Haemoglobin is a protein ________________________________________________________.
4. Hormones are chemicals _________________________________________________________.
5. All plants produce cellulose ______________________________________________________.

D. Write one function of each of the following:
1. Vitamin A - _______________________________________________________________.
2. Vitamin B - _______________________________________________________________.
3. Phosphorus - _______________________________________________________________.
4. Calcium - _______________________________________________________________.
5. Iron - _______________________________________________________________.

E. Given below are some incorrect statements. Correct them and rewrite.
1. Bleeding gums are symptoms of a disease called rickets.
_________________________________________________________________________________
_________________________________________________________________________________
2. A single food can supply all the nutrients required by our body.
_________________________________________________________________________________
_________________________________________________________________________________
3. Protein energy malnutrition causes a disease called goitre.
_________________________________________________________________________________
_________________________________________________________________________________
4. Cellulose is a kind of protein.
_________________________________________________________________________________
_________________________________________________________________________________

F. write the deficiency disease for the following nutrient.
1. Vitamin A :________________             2. Vitamin B ___________________
3. Calcium : _________________              4. Iron : ___________________

H . What are protective food? Give two examples.