Question:
Name the pathogen causes peptic ulcer.
Answer:
Helicobacter pylori (bacteria)
Why Do We Fall Ill?
Q 1.
State any two conditions essential for being free of disease.
Q 2.
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 3.
What is an antibiotic ? Give its one example.
Q 4.
Why is it important that we think of these categories of infectious agents?
Q 5.
A baby is not able to tell her / his caretakers that she / he is sick. What would help us to find out:
(a) that the baby is sick ?
(b) what is the sickness ?
Q 6.
Name the target organs for the following diseases :
(a) Hepatitis targets…………
(b) Fits or unconsciousness targets…………
(c) Pneumonia targets…………
(d) Fungal disease targets…………
Q 7.
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 8.
You have suffered from chickenpox, when you were in class three. Why will you not suffer from it again ? [SAII -2014]
Q 9.
Are the answers to the above questions (Q2 and Q5) and necessarily the same or different? Why?
Q 10.
Name the vector which causes malaria.
Q 12.
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 13.
Give four modes of transmission of AIDS.
Q 14.
Why is AIDS considered to be a ‘Syndrome’ and not a disease ?
Q 15.
Who discovered ‘vaccine’ for the first time ? Name two diseases which can be prevented by using vaccines.
Q 16.
In which of the following case do you think the long-term effects on your health are likely to be most unpleasant? a. if you get jaundice, b. if you get lice, c. if you get acne. Why?
Q 17.
Give three examples of bacterial diseases.
Q 18.
List the diseases caused by worms?
Q 19.
Give two examples of bacterial antibiotics.
Q 20.
What is the alternate name of brain fever? Which vector is responsible for this disease?
Q 21.
What do you mean by Phagocytosis?
Q 22.
What is an antibiotic ? Give two examples.
Q 23.
Name any four diseases transmitted through vectors.
Q 24.
How can we prevent water borne and vector borne infections ?
Q 25.
(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 26.
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 27.
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 28.
Kidneys of a person do not filter urine properly. How does it affect physical, mental and social dimensions of that person?
Q 29.
What is the difference between symptoms and signs of a disease?
Q 30.
Give examples of Acute diseases.
Q 31.
Differentiate between Acute Diseases and Chronic Diseases.
Q 32.
What are congenital diseases? Give two examples of such disease.
Q 33.
Name a disease which was earlier considered to be chronic but now can be treated in short duration?
Q 34.
Write few common signs and symptoms of a disease if a brain is affected.
Q 35.
List any two differences between infectious and non-infectious diseases. Write any one example of each disease.
Q 36.
What is the scientific name of roundworm? Where do we find it commonly in the human body? Name the disease caused by it.
Q 37.
Explain why antibiotics are more effective in curing bacterial diseases than viral diseases.
Q 38.
Why taking an antibiotic is not effective in the common cold?
Q 39.
What are antibodies?
Q 40.
How do Skin, Hairs, Saliva form the first line of defence against diseases?
Q 41.
Why are kids and elderly people more vulnerable to cold/flu?
Q 42.
Why do people staying in air-conditioned homes/offices catch cold more often?
Q 43.
Name any two diseases which are caused due to unprotected sexual intercourse.
Q 44.
List any four essential factors that must be taken icare of by an individual for keeping good health.
Q 45.
State any two conditions essential for being free of disease.
Q 46.
State two principles of treatment of a disease.
Q 47.
What is a disease ? How many types of diseases have you studied ? Give examples.
Q 48.
What do you mean by immune response ? , [SAII – 2014]
Q 49.
What precautions will you take to justify “prevention is better than cure” ?
Q 50.
AIDS is a fatal disease. Explain why. [SAII – 2014]