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Question

What can be achieved / can be prevented ? (4 Marks)

a. Drinking boiled and filtered water.

b. Avoiding smoking and alcoholism.

c. Regular balanced diet and exercise.

d. Proper checking of blood before blood donation.

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Solution

(1 Mark for each point)

a. Boiling and filtration are useful methods of purifying water that renders it suitable for consumption. Drinking boiled and filtered water can prove helpful in prevention of various water-borne diseases such as typhoid, cholera, etc. Most of the water-borne diseases are caused due to the consumption of contaminated water in some form or the other.

b. Smoking and alcoholism are two major causes of health problems which affect our society greatly. Smoking leads to different kinds of respiratory disorders and hinders the respiration process in humans. It can lead to acute health diseases such as lung cancer, throat cancer, etc. On the contrary, consumption of alcohol affects the liver, nervous and digestive system of our body. People can maintain a healthy lifestyle and stay protected from various diseases by avoiding alcohol and smoking in their lives.

c. Having a balanced diet and proper exercise are key factors which contribute to good health. When both are combined together, it helps our systems to function properly, maintain a healthy body mass and weight, reduces body fat, provides energy, promotes sound sleep and makes us feel fresh and fit about ourselves.

d. Proper checking of blood before blood donation is important to check the blood thoroughly before it is transferred to others. Many a time, there are chances of transmission of infectious diseases from the donor to the recipient in case the former is suffering from any such diseases. One more important reason, it is important to check blood before donation is to examine that the donor is not anaemic as donating blood may be harmful to him/her.


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