CBSE Class 9 Science Why do we fall ill Sure Shot Questions B

CBSE Class 9 Science Why do we fall ill Sure Shot Questions B. There are many more useful educational material which the students can download in pdf format and use them for studies. Study material like concept maps, important and sure shot question banks, quick to learn flash cards, flow charts, mind maps, teacher notes, important formulas, past examinations question bank, important concepts taught by teachers. Students can download these useful educational material free and use them to get better marks in examinations.  Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

WHY DO WE FALL ILL

1. What does the word health mean?

2. Name any two Symptoms of diseases………………………. (Cough& loose motions)

3. The disease which last for only a short period of time is called……………….( Acute Disease)

4. State whether Tuberculosis is aChronic Disease or Acute Disease…… (Chronic Disease)

5. Mention the causal organism for Sleeping sickness ………… (Trypanosoma)

6. Sleeping sickness is caused by……………………………………………

7. Elephantiasis is caused by…………………………………………………….

8. Mention two Air born diseases1…………………………..2………………….

9. Mention two Sexually Transmitted Diseaes1………………..2……………….

10. Mention two Viral Diseaes1………………..2……………….

11. What is called vector. Give one example.

12. Give two examples of Chronic diseases.

13. Distinguish between Infectious and Non-infectious diseases.

14. Write a short notes on Small Pox.

15. What is immunity? Write short notes on it.

16. What is Vaccination? Give the details, how it works in human body.

17. Write three reasons for Cancers.

18. What are the basic five principles of treatment for diseases.

19. How Hygiene could help you to maintain good health and mention five situations to take care about health.

20. How does the health of an organism depend upon the surroundings?

21. What do we mean by “disease”?

22. What are symptoms?

23. How do you distinguish between acute and chronic diseases?

24. What are the various causes of diseases?

25. Name some common infectious diseases

26. Explain the effect of antibiotic penicillin on bacterial cells.

27. Why are human cells not affected by penicillin?

28. Why are antibiotics ineffective against viruses?

29. How do communicable or infectious diseases spread?

30. How does AIDS spread?31. What are vectors? Name some vector transmitted diseases.

32. The disease-causing microbes enter the body through different means. Where do they go then?. Do all microbes go to the same tissue or organ, or do they go to different ones?

33. The signs and symptoms of a disease depend upon the tissue or organ targeted. Explain.

34. How does HIV damage our body?

35. How do we kill microbes?

36. What feature of our body protects us from catching infectious diseases?

37. Describe the principle behind vaccination.

38. Name some diseases for which vaccines are available.

39. Who were awarded nobel prize for discovery of treatment of peptic ulcer?

40. List some general principles of prevention.

41. State any two conditions essential for good health.

42. State any two conditions essential for being free of disease.

43. Are the answers to the above questions necessarily the same or different? Why?

44. 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?

45. In which of the following case do you think the long-term effects on your health are likely to be most unpleasant? a) if you get jaundice, b) if you get lice, c) if you get acne. Why?

46. Why we are normally advised to take bland and nourishing food when we are sick?

47. How are acute diseases different from chronic diseases?

48. What is the full form of AIDS? Name the causal organism.

49. State two conditions essential for keeping good health.

50. Define (a) health (b) disease.

51. Why are antibiotics not effective for viral disease?

52. Explain giving reasons –(a) Balanced diet is necessary for maintaining health body. (b) Health of an organism depends upon the surrounding environmental conditions.

53. Explain the Natural and acquired immunity?

54. What are the two ways to treat and infectious disease?

55. What do the sign and symptoms indicate if person is suffering from any disease? Based on the duration of diseases what are the difference between categories of diseases? Diffrentiate between them giving one example of each.

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