a Balanced diet es necessary for maintaining healthy body -
b. Health ot an organism depends upon the surrounding environmental condition
c. Our surrounding area should be free of stagnant water
d Social harmony and good economic conditiOnS are necessary for good health
Q2. What is disease? How many rypes o4 diseases have yoo stuided? five ex?
Q3. What do you mean by disease symptoms? Explain giving two exampleS
Q4. Why do some children fall ill more frequently than others living in the same locality’
05. Why are antibiotics not effective for viral diseases?
06. Becoming exposed to or infected with an infections microbe does not necessaiilY mean developmentS
noticeable disease. Explain.
Q7. Give any four factors necessary for a healthy person
06-
a. It was diagnosed that Preeti suffers from Japanese encephalitis, wicch organ of Preeti S body is affected?
b. How are antibiotics effective in the treatment of some
c. Will they help in curing Preeti’s disease? Why?
Q9. Discuss with the help of suitable examples three ways in which microbes Can find entry Intohuman body.
QlO. Chronic diseases are considered more serious than die acute diseases. why
Qil. Communicable diseases are those which can spreed from an infected person to healthy butsusceptible persons. Answer the following questIons:
a. Enlist variouS modes of sprpad of diseases giving one esample of each.
b. Why arc communicable diseases also called lnfectious diseases
022. What determines the severity of disease manifestation?
023 Discuss briefly the principle of lmmnunization.
Q14. Although Ruchi had been suffering from cold and cough, yet she decided to appear for her unittest. Neeta seated next to her was not affected but Pooa seating behind contracted the Infection
a- What prevented Neeta catching cold and cough in spite of her esposure to the infectiOn
b. Which type of disease, she was suffering from.
C. Name two preventive measures against above type of disease.
d. Express your opinion, whether Ruchi was right In her decision of cornsrig to SchoOl.
015. What are non-communicable diseases? Enlist three n communiCable diseases and state theireffects on the body
Q16. Why Is AIDS considered to be a ‘syndrome’ and not a disease? Discuss the cause symptomes preventive measures of AIDS. Can it be cured?
Q17. Enlist the vaccines prescribed to the new borns and the diseases agàinst which they era vaccination
QiB. What type of disease is polio? Why government making so much of effort to get every child vaccinated against It?
Q19. Name two air borne and two water borne diseases respectivelY and also mention their causative agent
Q20 DescrIbe the mechanism of action of antibiotics? Why it is important to complete the course of medicine as prescribed by the doctor.
Please find below the solution to the asked query
2. Disease refers to any disorder of structure or structural function in an organism. Such disorders produce specific signs and symptoms. Diseases are basically characterized by disturbance in normal body functions. On the basis of time duration, diseases can be classified as acute disease and chronic disease.
Another way of classifying diseases:
a. Communicable diseases- Diseases which can be transmitted from one person to another. e.g. common cold, tuberculosis
b. Non-communicable diseases- Diseases which cannot be transmitted from one person to another. e.g. cancer
3. When a disease manifests itself in the body, it gets expressed by certain signs. The signs associated with a certain disease are termed as disease symptoms. For example, symptoms of jaundice are yellowish colour of skin, nails, high fever etc..
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