Question:
State any two conditions essential for good health.
Answer:
Conditions essential for good health are:
- Physically fit and healthy.
- Cleanliness: habitat should be neat and clean.
- Good social and economic conditions.
Why Do We Fall Ill?
Q 1.
What do you mean by immune response ? , [SAII – 2014]
Q 2.
What is a disease ? How many types of diseases have you studied ? Give examples.
Q 3.
Name the protozoan pathogen that causes kala-azar.
Q 4.
Differentiate between communicable and non-communicable diseases. Give one example of each.
Q 5.
What is immunisation?
Q 6.
Give two examples for each of the following :
(a) Acute diseases
(b) Chronic diseases
(c) Infectious diseases
(d) Non-infectious diseases.
Q 7.
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 8.
You have suffered from chickenpox, when you were in class three. Why will you not suffer from it again ? [SAII -2014]
Q 9.
State any two conditions essential for good health.
Q 10.
Name the vector which causes malaria.
Q 11.
Majority of children in many parts of India are already immune to Hepatitis A by the time they are five years old. Why ?
Q 12.
What do signs and symptoms indicate if a person is suffering from any disease ? [SAII -2014]
Q 13.
Give four modes of transmission of AIDS.
Q 14.
(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 15.
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 16.
List the diseases caused by viruses?
Q 17.
Name the microbe which causes acne.
Q 18.
Name the vector that can cause sleeping sickness.
Q 19.
Why Colostrum is good for infants?
Q 20.
(i) What is an epidemic disease ?
(ii) Which organ is affected if a person is suffering from jaundice ?
Q 21.
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 22.
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 23.
List any two differences between infectious and non-infectious diseases. Write any one example of each disease.
Q 24.
List the diseases caused by worms?
Q 25.
What are antibodies?
Q 26.
Many vaccines form the public health programme of childhood immunisation for preventing infectious disease. Name any two such diseases.
Q 27.
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 28.
(i) What are the various ways to prevent the diseases ?
(ii) What is immunisation ?
Q 29.
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 30.
What is a balanced diet?
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.
Name the pathogen causes peptic ulcer.
Q 34.
Why it is advisable to breast feed the baby for first few several weeks?
Q 35.
Why are kids and elderly people more vulnerable to cold/flu?
Q 36.
State any two conditions essential for good health. [SAII-2014]
Q 37.
State any two conditions essential for being free of disease.
Q 38.
Why are we normally advised, to take bland and nourishing food when we are sick ? [SAII – 2011, 2013]
Q 39.
Why does intake of penicillin not affect human cells ? [SAll – 2014]
Q 40.
AIDS is a fatal disease. Explain why. [SAII – 2014]
Q 41.
Are the answers to the above questions (Q2 and Q5) and necessarily the same or different? Why?
Q 42.
How do we identify a disease?
Q 43.
Name a disease which was earlier considered to be chronic but now can be treated in short duration?
Q 44.
What are Koch's Postulates?
Q 45.
Give two examples of bacterial antibiotics.
Q 46.
What precautions can you take in your school to reduce the incidence of infectious diseases?
Q 47.
Name two diseases caused by Protozoans. What are their causal organisms ?
Q 48.
How can we prevent water borne and vector borne infections ?
Q 49.
What causes Japanese encephalitis ? How it can be prevented ?
Q 50.
Differentiate between acute diseases and chronic diseases.
