9th Standard English Medium Science Subject World of Microbes Book Back 5 Mark Questions with Solution Part - II

9th Standard

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Science

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5
  1. The major constituent of vinegar is

    (a)

    citric acid

    (b)

    acetic acid

    (c)

    oxalic acid

    (d)

    hydrochloric acid

  2. Which of the following is transmitted through air?

    (a)

    Tuberculosis

    (b)

    Meningitis

    (c)

    Typhoid

    (d)

    Cholera

  3. One of the means of indirect transmission of a disease is

    (a)

    sneezing

    (b)

    coughing

    (c)

    vectors

    (d)

    droplet infection

  4. Mosquito borne viral diseases are

    (a)

    malaria and yellow fever

    (b)

    dengue and chikungunya

    (c)

    filariasis and typhus

    (d)

    kala azar and diptheria

  5. Which one of the following is a pair of viral disease?

    (a)

    Filariasis, AIDS

    (b)

    Common cold, AIDS

    (c)

    Dysentry, Common cold

    (d)

    Typhoid, Tuberculosis

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