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(c) Malaria
                       (d) Hepatitis-B

               Q8.     Which of the following diseases can be prevented by drinking boiled water?
                       (a) Chicken pox
                       (b) Small pox
                       (c) Malaria
                       (d) Hepatitis

               Q9.     In which of the following diseases, patients are kept in complete isolation?
                       (a) Chicken pox
                       (b) Cholera
                       (c) Malaria
                       (d) Hepatitis

               Q10.  Which of the following diseases can be prevented by taking boiled water and
                       properly cooked food?
                       (a) Chicken pox
                       (b) Cholera
                       (c) Tuberculosis
                       (d) Small pox








               SUBJECTIVE


                      Questions                                                            Marks  Level

               Q1.  Name two human diseases caused by microorganisms.                      1        E


               Q2.  Discuss two preventive measures for diseases spread by                 1        E
                      carriers.

               Q3.  What are carriers? Give two examples.                                  3        Av


               Q4.  What is meant by communicable diseases? Name two                       3        Av
                      communicable diseases.

               Q5.  What are the various modes of transmission in which                    3        D
                      communicable diseases can occur and spread?

               Q6.  How do the virus-causing diseases spread through air? Explain.  3               D
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