Question:
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.
Answer:
No the boy is not in good health. His persistent impulsiveness (constant fighting with others) indicates that the boy may have mental and/or social issues. He does not feel empathy when others are hurt. It tells he may be psychologically "unhealthy".
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.
Why do some children fall ill more frequently than others living in the same locality ?
Q 4.
What are the different means by which infectious diseases are spread?
Q 5.
(i) What are the various ways to prevent the diseases ?
(ii) What is immunisation ?
Q 6.
Name the protozoan pathogen that causes kala-azar.
Q 7.
Name the vector that can cause sleeping sickness.
Q 8.
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 10.
Write three differences between Personal Health and Community Health.
Q 11.
Many vaccines form the public health programme of childhood immunisation for preventing infectious disease. Name any two such diseases.
Q 12.
Give two examples for each of the following :
(a) Acute diseases
(b) Chronic diseases
(c) Infectious diseases
(d) Non-infectious diseases.
Q 13.
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 14.
“On exposure with an infectious microbe does not necessarily mean developing noticeable disease”. Do you agree ? Explain with reason. If yes, how severe infections occur in our body ?
Q 15.
Are the answers to the above questions (Q2 and Q5) and necessarily the same or different? Why?
Q 16.
What are infectious agents? What are the different infectious agents?
Q 17.
Define antibiotic? Explain how it is able to control bacterial infections but not viral infections.
Q 18.
Name the diseases that can spread through housefly.
Q 19.
What is immunisation?
Q 20.
What are antibodies?
Q 21.
Differentiate between allergy and autoimmune diseases.
Q 22.
Name any two groups of microorganisms from which antibiotics could be extracted.
Q 23.
Give four modes of transmission of AIDS.
Q 24.
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 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.
(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 27.
Give any four factors necessary for a healthy person.
Q 28.
Name the target organs for the following diseases :
(a) Hepatitis targets…………
(b) Fits or unconsciousness targets…………
(c) Pneumonia targets…………
(d) Fungal disease targets…………
Q 29.
Becoming exposed to or infected with an infectious microbe (toes not necessarily mean developing noticeable disease. Explain.
Q 30.
Why does intake of penicillin not affect human cells ? [SAll – 2014]
Q 31.
What are the different means by which infectious diseases are spread ?
Q 32.
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 33.
What is a balanced diet?
Q 34.
(i) How do you define 'disease'? (ii) State and explain in brief the four major factors, which are the causes of disease.
Q 35.
What are acquired diseases?
Q 36.
What is '
germ theory of disease'? Who proposed it?
Q 37.
List the diseases caused by viruses?
Q 38.
Give three examples of bacterial diseases.
Q 39.
Why are we normally advised to take bland and nourishing food when we are sick?
Q 40.
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 41.
(a) What are epidemic and endemic diseases? (b) Which organ is affected if a person is suffering from jaundice?
Q 42.
Majority of children in many parts of India are already immune to Hepatitis A by the time they are five years old. Why ?
Q 43.
Name any two diseases which are caused due to unprotected sexual intercourse.
Q 44.
Name two diseases caused by Protozoans. What are their causal organisms ?
Q 45.
(i) Which bacterium causes peptic ulcers ?
(ii) Who discovered the above pathogen for the first time ?
Q 46.
List any four essential factors that must be taken icare of by an individual for keeping good health.
Q 47.
Which amongst the two diseases : acute or chronic has adverse effect on the health of a person? Explain giving a suitable example.
Q 48.
How can we prevent water borne and vector borne infections ?
Q 49.
State any two conditions essential for being free of disease.
Q 50.
State two principles of treatment of a disease.
