Question:
What do you mean by disease symptoms ? Explain giving two examples.
Answer:
When the functioning or the appearance of one-or more systems of the body will change for the worse, it gives certain abnormal signs of the disease. These visual changes in human beings are called symptoms. Symptoms give indication of the presence of a particular disease.
Examples :
- Lesions on the skin are the symptoms of chickenpox.
- Cough is the symptom of lung infection.
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.
What are infectious agents? What are the different infectious agents?
Q 4.
What are antibodies?
Q 5.
Name any two diseases which are caused due to unprotected sexual intercourse.
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.
What precautions will you take to justify “prevention is better than cure” ?
Q 8.
Why taking an antibiotic is not effective in the common cold?
Q 9.
What is an antibiotic ? Give its one example.
Q 10.
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 11.
State two principles of treatment of a disease.
Q 12.
What do you mean by active and passive immunisation ? [SAll – 2015]
Q 13.
Write three differences between Personal Health and Community Health.
Q 14.
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 15.
State any two conditions essential for good health.
Q 16.
Are the answers to the above questions (Q2 and Q5) and necessarily the same or different? Why?
Q 17.
Name any four diseases transmitted through vectors.
Q 18.
State any two conditions essential for being free of disease.
Q 19.
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 20.
(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 21.
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 22.
Why are antibiotics not effective for viral disease ?
Q 23.
What are the different means by which infectious diseases are spread ?
Q 24.
State any two conditions essential for being free of disease.
Q 25.
Give examples of Acute diseases.
Q 26.
What are congenital diseases? Give two examples of such disease.
Q 27.
Write few common signs and symptoms of a disease if a brain is affected.
Q 28.
Give examples of fungal diseases.
Q 29.
List the diseases caused by worms?
Q 30.
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 31.
Why it is advisable to breast feed the baby for first few several weeks?
Q 32.
Write differences between 'Being Healthy' and 'Disease Free'.
Q 33.
Give two examples for each of the following :
(a) Acute diseases
(b) Chronic diseases
(c) Infectious diseases
(d) Non-infectious diseases.
Q 34.
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 35.
Give the modes of transmission of each of the following diseases :
(i) Syphilis (ii) Tuberculosis (iii) Jaundice (iv) Japanese encephalitis [SAII -2012]
Q 36.
Why is immune system essential for our health ?
Q 37.
Why do some children fall ill more frequently than others living in the same locality ?
Q 38.
Define Health? What do you interpret when we say a person is in good health?
Q 39.
(i) How do you define 'disease'? (ii) State and explain in brief the four major factors, which are the causes of disease.
Q 40.
Is there any difference between 'being healthy' and 'disease free'?
Q 41.
How do we identify a disease?
Q 42.
Why is it not necessary to give Hepatitis A vaccine to children?
Q 43.
Why do people staying in air-conditioned homes/offices catch cold more often?
Q 44.
(i) Which bacterium causes peptic ulcers ?
(ii) Who discovered the above pathogen for the first time ?
Q 45.
Classify infectious agents into different categories and also mention the diseases caused by them.
Q 46.
You have suffered from chickenpox, when you were in class three. Why will you not suffer from it again ? [SAII -2014]
Q 47.
Differentiate between communicable and non-communicable diseases. Give one example of each.
Q 48.
Differentiate between Acute Diseases and Chronic Diseases.
Q 49.
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 50.
What are Koch's Postulates?
