Explain giving reasons [3 MARKS]
(a) A balanced diet is necessary for maintaining a healthy body.
(b) Our surrounding area should be free of stagnant water.
Explanation and Reason out: 1.5 Marks each
(a) Food is necessary for the growth and development of the body. A balanced diet provides raw materials and energy in appropriate amounts needed for the substances like
protein, carbohydrates, fats, minerals etc which in turn are essential for the proper growth and functioning of the healthy body.
(b) Health is a state of being well enough to function well physically, mentally and socially and these conditions depend upon the surrounding environmental conditions. e.g., if
there is an unhygienic conditions in surrounding area, it is likely we might get infected or contact a disease.