Question:
(a) What are epidemic and endemic diseases? (b) Which organ is affected if a person is suffering from jaundice?
Answer:
(a) A disease or condition which affects a large number of people at the same time is called an epidemic. e.g. an outbreak of plague in China in 2009. An Endemic disease is a disease or condition that is constantly present in a particular community or localised region. e.g. Hepatitis A, Malaria, Dengue are endemic in India. (b) Jaundice or hepatitis is a viral disease which affects the liver.
Why Do We Fall Ill?
Q 1.
Name the diseases that can spread through housefly.
Q 2.
Common cold spreads faster and is difficult to control. Give reason. [SAII -2014]
Q 3.
Name any two diseases which are caused due to unprotected sexual intercourse.
Q 4.
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 5.
Name the target organs for the following diseases :
(a) Hepatitis targets…………
(b) Fits or unconsciousness targets…………
(c) Pneumonia targets…………
(d) Fungal disease targets…………
Q 6.
What are infectious agents? What are the different infectious agents?
Q 7.
Why taking an antibiotic is not effective in the common cold?
Q 8.
What is an antibiotic ? Give its one example.
Q 9.
State two principles of treatment of a disease.
Q 10.
What precautions will you take to justify “prevention is better than cure” ?
Q 11.
State any two conditions essential for good health.
Q 12.
What are antibodies?
Q 13.
What do you mean by active and passive immunisation ? [SAll – 2015]
Q 14.
List the diseases caused by worms?
Q 15.
Write differences between 'Being Healthy' and 'Disease Free'.
Q 16.
State any two conditions essential for being free of disease.
Q 17.
Are the answers to the above questions (Q2 and Q5) and necessarily the same or different? Why?
Q 18.
What are congenital diseases? Give two examples of such disease.
Q 19.
Give examples of fungal diseases.
Q 20.
Why it is advisable to breast feed the baby for first few several weeks?
Q 21.
Write three differences between Personal Health and Community Health.
Q 22.
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 23.
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 24.
Why is immune system essential for our health ?
Q 25.
What are the different means by which infectious diseases are spread ?
Q 26.
(i) How do you define 'disease'? (ii) State and explain in brief the four major factors, which are the causes of disease.
Q 27.
Is there any difference between 'being healthy' and 'disease free'?
Q 28.
Give examples of Acute diseases.
Q 29.
Write few common signs and symptoms of a disease if a brain is affected.
Q 30.
Name the pathogen causes peptic ulcer.
Q 31.
Why are kids and elderly people more vulnerable to cold/flu?
Q 32.
Name any four diseases transmitted through vectors.
Q 33.
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 ?
Q 34.
Why are antibiotics not effective for viral disease ?
Q 35.
How do we identify a disease?
Q 36.
Define antibiotic? Explain how it is able to control bacterial infections but not viral infections.
Q 37.
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 38.
Name any two groups of microorganisms from which antibiotics could be extracted.
Q 39.
Why are we advised to take blend and nourishing food when we are sick ?
Q 40.
Many vaccines form the public health programme of childhood immunisation for preventing infectious disease. Name any two such diseases.
Q 41.
Give four modes of transmission of AIDS.
Q 42.
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 43.
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 44.
Who discovered ‘vaccine’ for the first time ? Name two diseases which can be prevented by using vaccines.
Q 45.
Give the modes of transmission of each of the following diseases :
(i) Syphilis (ii) Tuberculosis (iii) Jaundice (iv) Japanese encephalitis [SAII -2012]
Q 46.
What do you mean by disease symptoms ? Explain giving two examples.
Q 47.
Why do some children fall ill more frequently than others living in the same locality ?
Q 48.
Why does intake of penicillin not affect human cells ? [SAll – 2014]
Q 49.
Define Health? What do you interpret when we say a person is in good health?
Q 50.
What are acquired diseases?
