Page 170 - Health, Population and Environment Education 10

19. Cholera spreads mostly by unsafe water and unsafe food that has been contaminated
with human faeces containing the bacteria.
20. Dengue fever is a communicable disease caused by a virus. The disease is transmitted
due to the bite of infected female mosquito called Aedes aegyptii.
21. Viral influenza is a disease of respiratory system caused by influenza virus of
maxovirus group. This disease is commonly known as flu.

Exercise

A. Write very short answer to the following questions.
1. What is a disease?
2. What are two types of diseases? Name them.

3. What are communicable diseases?
4. Give any two examples of communicable diseases.
5. What are non-communicable diseases?
6. Name any two non-communicable diseases.
7. Name any two diseases that are transmitted through air.
8. Name any two diseases that are transmitted through contaminated food and
water.
9. Write any two symptoms of round worm infection.
10. What is diarrhoea?
11. Write any two symptoms of diarrhoea.
12. What is dysentery?
13. Name two types of dysentery.
14. What is the causative agent of amoebic dysentery?
15. Write any two symptoms of common cold.
16. What is hepatitis B?
17. Write any two causes of non-communicable diseases.

18. Write any two symptoms of cancer.
19. Write any two preventive and control measures of cancer.
20. What is heart attack?
21. Write any two symptoms of rheumatic fever.
22. What is diabetes?
23. Write any two symptoms of diabetes.
24. Write down the full form of COPD.
25. Write down the causative agent of cholera.

170 GREEN Health, Population and Environment Education Book-10