Question:
Write few common signs and symptoms of a disease if a brain is affected.
Answer:
A headache, fits, unconsciousness, vomiting etc.
Why Do We Fall Ill?
Q 1.
What do you mean by immune response ? , [SAII – 2014]
Q 2.
Name the pathogen causes peptic ulcer.
Q 3.
What is immunisation?
Q 4.
What is the purpose of vaccination ?
Q 5.
(i) Which bacterium causes peptic ulcers ?
(ii) Who discovered the above pathogen for the first time ?
Q 6.
(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 7.
What are Koch's Postulates?
Q 8.
Name the protozoan pathogen that causes kala-azar.
Q 9.
Name the vector that can cause sleeping sickness.
Q 10.
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 12.
Why is it not necessary to give Hepatitis A vaccine to children?
Q 13.
Differentiate between acute diseases and chronic diseases.
Q 14.
What precautions can you take in your school to reduce the incidence of infectious diseases ?
Q 15.
What is a disease ? How many types of diseases have you studied ? Give examples.
Q 16.
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 17.
Name a disease which was earlier considered to be chronic but now can be treated in short duration?
Q 18.
What is the scientific name of roundworm? Where do we find it commonly in the human body? Name the disease caused by it.
Q 19.
Why it is advisable to breast feed the baby for first few several weeks?
Q 20.
Give two examples for each of the following :
(a) Acute diseases
(b) Chronic diseases
(c) Infectious diseases
(d) Non-infectious diseases.
Q 21.
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 22.
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 23.
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 24.
Name the target organs for the following diseases :
(a) Hepatitis targets…………
(b) Fits or unconsciousness targets…………
(c) Pneumonia targets…………
(d) Fungal disease targets…………
Q 25.
What precautions will you take to justify “prevention is better than cure” ?
Q 26.
Why is immune system essential for our health ?
Q 27.
Becoming exposed to or infected with an infectious microbe (toes not necessarily mean developing noticeable disease. Explain.
Q 28.
Why making anti-viral medicines is harder than making anti-bacterial medicines ?
Q 29.
Define Health? What do you interpret when we say a person is in good health?
Q 30.
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 31.
Give four examples of Chronic diseases.
Q 32.
What are acquired diseases?
Q 33.
List any two differences between infectious and non-infectious diseases. Write any one example of each disease.
Q 34.
List the diseases caused by viruses?
Q 35.
Give examples of fungal diseases.
Q 36.
List the diseases caused by worms?
Q 37.
Why is it important that we think of these categories of infectious agents?
Q 38.
How do antibiotics (say Penicillin) work on bacteria but not on human beings?
Q 39.
Name the vector which causes dengue, chikungunya and yellow fever.
Q 40.
What are the basic principles involved in medical treatment for diseases?
Q 41.
Why do people staying in air-conditioned homes/offices catch cold more often?
Q 42.
Write differences between 'Being Healthy' and 'Disease Free'.
Q 43.
Differentiate between allergy and autoimmune diseases.
Q 44.
Name any two groups of microorganisms from which antibiotics could be extracted.
Q 45.
Why are we advised to take blend and nourishing food when we are sick ?
Q 46.
List any four essential factors that must be taken icare of by an individual for keeping good health.
Q 47.
(i) What is an epidemic disease ?
(ii) Which organ is affected if a person is suffering from jaundice ?
Q 48.
How can we prevent water borne and vector borne infections ?
Q 49.
Why are we normally advised, to take bland and nourishing food when we are sick ? [SAII – 2011, 2013]
Q 50.
(i) What are the various ways to prevent the diseases ?
(ii) What is immunisation ?
