Question:
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.
Answer:
- Correct, because stagnant water is the breeding place of mosquitoes which causes diseases like malaria, dengue etc.
- Incorrect. Balance diet is essential for a good health but staying clean is also important to remain disease free.
- Correct, because health means a state of physical, mental and social well-being. Our social environment, therefore, plays an important role in our individual health.
Why Do We Fall Ill?
Q 1.
Under which of the following conditions are you most likely to fall sick ?
(a) when you are taking examinations.
(b) when you have travelled by bus and train for two days.
(c) when your friend is suffering from measles. Why ?
Q 2.
Why are antibiotics not effective for viral disease ?
Q 3.
What are the immunisation programmes available at the nearest health centre in your locality? Which of these diseases are the major health problems in your area ?
Q 4.
What is immunisation?
Q 5.
What are acquired diseases?
Q 6.
Are the answers to the above questions (Q2 and Q5) and necessarily the same or different? Why?
Q 7.
Give three examples of bacterial diseases.
Q 8.
Give examples of fungal diseases.
Q 9.
How do antibiotics (say Penicillin) work on bacteria but not on human beings?
Q 10.
Define antibiotic? Explain how it is able to control bacterial infections but not viral infections.
Q 11.
Name the diseases that can spread through housefly.
Q 12.
Give the modes of transmission of each of the following diseases :
(i) Syphilis (ii) Tuberculosis (iii) Jaundice (iv) Japanese encephalitis [SAII -2012]
Q 13.
Define Health? What do you interpret when we say a person is in good health?
Q 14.
Give four examples of Chronic diseases.
Q 15.
What is the alternate name of brain fever? Which vector is responsible for this disease?
Q 16.
What are the immunisation programmes available at the nearest health centre in your locality? Which of these diseases are the major health problems in your area?
Q 17.
Why are kids and elderly people more vulnerable to cold/flu?
Q 18.
State any two conditions essential for good health. [SAII-2014]
Q 19.
(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 20.
What are the different means by which infectious diseases are spread ? [SAII – 2011, 2013]
Q 21.
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 22.
What precautions can you take in your school to reduce the incidence of infectious diseases ?
Q 23.
Give any four factors necessary for a healthy person.
Q 24.
Why is AIDS considered to be a ‘Syndrome’ and not a disease ?
Q 25.
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 26.
You have suffered from chickenpox, when you were in class three. Why will you not suffer from it again ? [SAII -2014]
Q 27.
AIDS is a fatal disease. Explain why. [SAII – 2014]
Q 28.
Why making anti-viral medicines is harder than making anti-bacterial medicines ?
Q 29.
Kidneys of a person do not filter urine properly. How does it affect physical, mental and social dimensions of that person?
Q 30.
State any two conditions essential for being free of disease.
Q 31.
(i) How do you define 'disease'? (ii) State and explain in brief the four major factors, which are the causes of disease.
Q 32.
Is there any difference between 'being healthy' and 'disease free'?
Q 33.
List any two differences between infectious and non-infectious diseases. Write any one example of each disease.
Q 34.
What is '
germ theory of disease'? Who proposed it?
Q 35.
Name the pathogen causes peptic ulcer.
Q 36.
Why is it important that we think of these categories of infectious agents?
Q 37.
Why are we normally advised to take bland and nourishing food when we are sick?
Q 38.
Name the vector which causes malaria.
Q 39.
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 41.
Differentiate between allergy and autoimmune diseases.
Q 42.
What is the purpose of vaccination ?
Q 43.
What is an antibiotic ? Give two examples.
Q 44.
List any four essential factors that must be taken icare of by an individual for keeping good health.
Q 45.
Give four modes of transmission of AIDS.
Q 46.
(i) What is an epidemic disease ?
(ii) Which organ is affected if a person is suffering from jaundice ?
Q 47.
How can we prevent water borne and vector borne infections ?
Q 48.
State any two conditions essential for being free of disease.
Q 49.
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 50.
Under which of the following conditions is a person most likely to fall sick ?
(a) When she is recovering from malaria.
(b) When she has recovered from malaria and is taking care of someone suffering from
chickenpox.
(c) When she is on a four-day fast after recovering from malaria and is taking care of someone suffering from chickenpox. Why ?
