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NCERT TEXT BOOK QUESTIONS AND EXERCISES WITH ANSWERS), INTEXT QUESTIONS, Text book page no. 178, Q.1. State any two conditions essential for good health., Ans. Two conditions essential for good health are, 1. Complete physical fitness free from any disease., 2. Perfect mental and social well being., Q2. State any two conditions essential for being free from any type of disease., Ans. Two conditions essential for being free from any type of disease are:, 1) living in hygienic environment., ) getting vaccination against common infectious diseases., Q.3.Are the answers to the above questions same or different ? Why?, Ans. Different: Health is a perfect state of physical, mental and social well being of a, individual while disease is a state of discomfort of the body or its parts., Text book page no. 180, Q.4. List any three reasons why you would think that you are sick and ought to see a, doctor. If only one of these symptoms were present, would you still go to the doctor ? Why or, Why not ?, , Ans. The three reasons of feeling sick and to visit a doctor are, (i) having diarrhoea (loose-motions),, (i) having headache, shivering and fever,, (iii) having wound with pus., If only one of the above three symptoms were present, we still would have to consult a, doctor. It is so becouse all thé three symptoms made us uncomfortable and cause further damage, to body somtimes due to attack of some disease.