Explain giving reasons (a) Balanced diet is necessary for maintaining healthy body. (b) Health of an organism depends upon the surrounding environmental conditions. (c) Our surrounding area should be free of stagnant water. (d) Social harmony and good economic conditions are necessary for good health.

Soln:

1. Food is essential for the growth and normal function of our body. Balanced diet is the one which consists of all the essential nutrients in an appropriate Balanced diet provided appropriate amount of biomolecules such as carbohydrates, lipids, proteins, vitamins and minerals which are very essential for our growth and body functioning. Imbalance in diet lead to many physical and physiological diseases.

1. Health is defined as physical, mental and social well-being and Health is always dependent on our surroundings and if our environment is unhygienic we get disease. We get cold and cough in rainy and winter season. Our environment conditions are very important for being healthy.

1. Stangnant water is the breeding environment for mosquitos. Mosquitos spread many diseases like Malaria, Dengue, Elephantisis, chickungunys In order to stop spread of these disease our surrounding should be free of stagnant water.

1. Human beings are social We live in different localities and environments. In order to lead a healthy life we have to keep our environment clean. We need good hygienic food to lead healthy life which depends on our earnings. We often encounter diseases, in order to get treatment we need money and our economic status should be strong to afford the treatments.