Question

what are various causes of disease? state any 5.
chapter- why do we fall ill


pls answer fast and in correct way ​

Answer 1

Answer:

Causes

• Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.
• Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.
• Fungi. ...
• Parasites.

Explanation:

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Answer 2

chickenpox WhatFor examplevirusesmeanstheanswersgodAnswer:

Q.1.   State any two conditions essential for go d health. Ans. Two conditions essential for good health are (i) State of physical, mental, and social well-being.          (ii) Better surroundings or environment.

Q.2.   State any two conditions essential for being free of disease. Ans. The two conditions essential for being free of disease are (1) Personal ar d domestic hygiene.          (2) Clean environment and surroundings.

Q.3.   Are the answers to the above questions necessarily the same or different? Why? Ans. The answer to the above questions is different because a person may be free of disease but his mental, social or economical health may not be good.

NCERT TEXTBOOK PAGE 180

Q.1.   List any three reasons why you would think that you are sick and ought to doge a doctor. If only one of these symptoms were present, would you still go to the doctor?          Why or why not? Ans. The 3 reasons why one would think that he is sick are�(1) headache, (2) cold and cough, (3) loose motions.          This indicates that there may be a disease but does not indicate what the disease is. So one would still visit the doctor for the treatment and to know the cause of the above symptom.          Even in the case of a single symptom, one needs to go to the doctor to get proper treatment.

Q.2.   In which of the four cases do you think the lor-terra effects on your health are likely to e most unpleasant?          • If you get jaundice          • If you get lice          • If you get acne. Ans. In the above cases, lice and acne are acute problems of our health that can be cured in a short duration. But jaundice is the disease that can have the most unpleasant effect on our health as it affects the most important organ of our body i.e., the liver. This disease is a chronic one.