Question:
Name the vector that can cause sleeping sickness.
Why Do We Fall Ill?
Q 1.
What do you mean by immune response ? , [SAII – 2014]
Q 2.
State any two conditions essential for good health.
Q 3.
What is immunisation?
Q 4.
You have suffered from chickenpox, when you were in class three. Why will you not suffer from it again ? [SAII -2014]
Q 5.
Why are kids and elderly people more vulnerable to cold/flu?
Q 6.
What is a disease ? How many types of diseases have you studied ? Give examples.
Q 7.
Differentiate between communicable and non-communicable diseases. Give one example of each.
Q 8.
Is there any difference between 'being healthy' and 'disease free'?
Q 9.
List the diseases caused by worms?
Q 10.
Name the protozoan pathogen that causes kala-azar.
Q 11.
What are antibodies?
Q 12.
The signs and symptoms of a disease will depend on the tissue or organ which the microbe targets Justify the statement with two examples. [SAll – 2014]
Q 13.
Classify the following diseases as infectious or non-infectious :
(a) AIDS (b) Tuberculosis
(c) Cholera (d) High blood pressure
(e) Heart disease (f) Pneumonia
(g) Cancer
Q 14.
A hefty boy of 12 years often picks fights with others. Do you think he is in good health? If so, then explain your answer.
Q 15.
List any two differences between infectious and non-infectious diseases. Write any one example of each disease.
Q 16.
Why Colostrum is good for infants?
Q 17.
Write differences between 'Being Healthy' and 'Disease Free'.
Q 18.
Give two examples for each of the following :
(a) Acute diseases
(b) Chronic diseases
(c) Infectious diseases
(d) Non-infectious diseases.
Q 19.
Give four modes of transmission of AIDS.
Q 20.
(i) What are the various ways to prevent the diseases ?
(ii) What is immunisation ?
Q 21.
Why does intake of penicillin not affect human cells ? [SAll – 2014]
Q 22.
How do we identify a disease?
Q 23.
Give four examples of Chronic diseases.
Q 24.
Name a disease which was earlier considered to be chronic but now can be treated in short duration?
Q 25.
List the diseases caused by viruses?
Q 26.
Name the microbe which causes acne.
Q 27.
A doctor/nurse/health-worker is exposed to more sick people than others in the community. Find out how she/he avoids getting sick herself/himself.
Q 28.
What is colostrum? Why is mother's milk strongly advised to newborns?
Q 29.
Why it is advisable to breast feed the baby for first few several weeks?
Q 30.
Write three differences between Personal Health and Community Health.
Q 31.
Many vaccines form the public health programme of childhood immunisation for preventing infectious disease. Name any two such diseases.
Q 32.
Majority of children in many parts of India are already immune to Hepatitis A by the time they are five years old. Why ?
Q 33.
(i) Which bacterium causes peptic ulcers ?
(ii) Who discovered the above pathogen for the first time ?
Q 34.
What causes Japanese encephalitis ? How it can be prevented ?
Q 35.
Why are we normally advised, to take bland and nourishing food when we are sick ? [SAII – 2011, 2013]
Q 36.
(i) Why a person suffering from AIDS cannot fight even small infections ?
(ii) In a slum area, many people are suffering from malaria. Mention any two unhygienic conditions that must be prevailing in that locality.
(iii) Why female Anopheles mosquito feeds on human blood ? [SAII – 2014]
Q 37.
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 ?
Q 38.
Conduct a survey in your neighbourhood to find out what the three most common diseases are. Suggest three steps that could be taken by your local authorities to bring down the incidence of these diseases.
Q 39.
Classify infectious agents into different categories and also mention the diseases caused by them.
Q 40.
Why do some children fall ill more frequently than others living in the same locality ?
Q 41.
State giving reasons whether the following statements are correct or not:
- Our surrounding area should be free from stagnant water.
- Staying clean is not necessary as long as you eat a balanced diet.
- Social equality and harmony are necessary for good health.
Q 42.
Differentiate between Acute Diseases and Chronic Diseases.
Q 43.
What are congenital diseases? Give two examples of such disease.
Q 44.
What are Koch's Postulates?
Q 45.
Name the vector which causes malaria.
Q 46.
Name the vector that can cause sleeping sickness.
Q 47.
What is an antibiotic ? Give two examples.
Q 48.
What do signs and symptoms indicate if a person is suffering from any disease ? [SAII -2014]
Q 49.
(i) What is an epidemic disease ?
(ii) Which organ is affected if a person is suffering from jaundice ?
Q 50.
State any two conditions essential for being free of disease.