Question:
How do we identify a disease?
Answer:
By looking at symptoms and signs.
Why Do We Fall Ill?
Q 1.
Name the target organs for the following diseases :
(a) Hepatitis targets…………
(b) Fits or unconsciousness targets…………
(c) Pneumonia targets…………
(d) Fungal disease targets…………
Q 2.
What is an antibiotic ? Give its one example.
Q 3.
What are infectious agents? What are the different infectious agents?
Q 4.
Give two examples for each of the following :
(a) Acute diseases
(b) Chronic diseases
(c) Infectious diseases
(d) Non-infectious diseases.
Q 5.
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 6.
Are the answers to the above questions (Q2 and Q5) and necessarily the same or different? Why?
Q 7.
Name the diseases that can spread through housefly.
Q 8.
Name any two diseases which are caused due to unprotected sexual intercourse.
Q 9.
Common cold spreads faster and is difficult to control. Give reason. [SAII -2014]
Q 10.
Give an example of fungal antibiotic.
Q 11.
Write three differences between Personal Health and Community Health.
Q 12.
Write differences between 'Being Healthy' and 'Disease Free'.
Q 13.
State any two conditions essential for being free of disease.
Q 14.
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 15.
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 16.
What precautions will you take to justify “prevention is better than cure” ?
Q 17.
State any two conditions essential for good health.
Q 18.
Why taking an antibiotic is not effective in the common cold?
Q 19.
What are antibodies?
Q 20.
(a) What are epidemic and endemic diseases? (b) Which organ is affected if a person is suffering from jaundice?
Q 21.
Why do people staying in air-conditioned homes/offices catch cold more often?
Q 22.
Why are we advised to take blend and nourishing food when we are sick ?
Q 23.
Majority of children in many parts of India are already immune to Hepatitis A by the time they are five years old. Why ?
Q 24.
(i) What is an epidemic disease ?
(ii) Which organ is affected if a person is suffering from jaundice ?
Q 25.
State any two conditions essential for good health. [SAII-2014]
Q 26.
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 27.
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 28.
What do you mean by active and passive immunisation ? [SAll – 2015]
Q 29.
Why is immune system essential for our health ?
Q 30.
What are the different means by which infectious diseases are spread ?
Q 31.
Define Health? What do you interpret when we say a person is in good health?
Q 32.
Give examples of Acute diseases.
Q 33.
What is colostrum? Why is mother's milk strongly advised to newborns?
Q 34.
Name any two groups of microorganisms from which antibiotics could be extracted.
Q 35.
(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 36.
State two principles of treatment of a disease.
Q 37.
In which of the following case do you think the long-term effects on your health are likely to be most unpleasant ?
- if you get jaundice ?
- if you get lice ?
- if you get acne. Why ?
Q 38.
How many times did you fall ill in the last one year ? What were the illnesses ? (a) Think of one change you could make in your habits in order to avoid any/most of the above illnesses.
(b) Think of one change you would wish for in your surroundings in order to avoid any/most of the above illnesses.
Q 39.
(a) What is immunisation ?
(b) Define immunity and vaccination.
(c) Define vaccine. .
(d) What type of diseases can be prevented through vaccination ? [SAII -2013]
Q 40.
Give the modes of transmission of each of the following diseases :
(i) Syphilis (ii) Tuberculosis (iii) Jaundice (iv) Japanese encephalitis [SAII -2012]
Q 41.
Becoming exposed to or infected with an infectious microbe (toes not necessarily mean developing noticeable disease. Explain.
Q 42.
Why making anti-viral medicines is harder than making anti-bacterial medicines ?
Q 43.
Kidneys of a person do not filter urine properly. How does it affect physical, mental and social dimensions of that person?
Q 44.
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 45.
(i) How do you define 'disease'? (ii) State and explain in brief the four major factors, which are the causes of disease.
Q 46.
What are congenital diseases? Give two examples of such disease.
Q 47.
Name a disease which was earlier considered to be chronic but now can be treated in short duration?
Q 48.
What are acquired diseases?
Q 49.
List any two differences between infectious and non-infectious diseases. Write any one example of each disease.
Q 50.
What is '
germ theory of disease'? Who proposed it?
