Explain giving reasons
(a) Balanced diet is necessary for maintaining healthy body.
Ans. Food is necessary for the growth and development of the body. Balanced diet provides raw materials and energy in appropriate amount needed for the substances likes protein, carbohydrates, fats, minerals etc which in turn are essential for the proper growth and functioning of the healthy body.
(b) Health of an organism depends upon the surrounding environmental conditions.
Ans. Health is a state of being well enough to function well physically, mentally and socially and these conditions depend upon the surrounding environmental conditions.
eg., If there are unhygienic conditions in surrounding area, it is likely we might get infected or diseased.
(c) Our surrounding area should be free of stagnant water.
Ans. This is so because many water borne diseases and insect vectors flourish in stagnant water which cause diseases in human beings.
(d) Social harmony and good economic conditions are necessary for good health.
Ans. Human beings live in societies and different localities like villages or cities, which determines the social and physical environment and hence both are to be kept in harmony. Public cleanliness is important for individual health. For better living conditions lot of money is required. We need good food for healthy body and for this we have to earn more. For the treatment of diseases also, one has to be in good economic condition.
