World of Microbes Book Back Questions

9th Standard

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Science

Time : 00:45:00 Hrs
Total Marks : 30
    4 x 1 = 4
  1. Mycology is the branch of biology that deals with the study of

    (a)

    algae

    (b)

    virus

    (c)

    bacteria

    (d)

    fungi

  2. Bacteria involved in curd formation is

    (a)

    Lactobacillus acidophilus

    (b)

    Nitosomonas

    (c)

    Bacillus ramous

    (d)

    none of the above

  3. Syphilis is caused by

    (a)

    Treponema pallidum

    (b)

    Leptospira

    (c)

    Pasteurella

    (d)

    Vibrio cholerae

  4. 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

  5. 3 x 1 = 3
  6. First antibiotic ______________ was developed by ______________.

    ()

    Penicillin, Alexander Flemming

  7. H1N1 virus causes ______________.

    ()

    Swine flu

  8. Cholera is caused by ______________ and malaria is caused by ______________.

    ()

    Vibrio cholerae, Plasmodium falciparum

  9. 4 x 1 = 4
  10. Glycogen and oil globules are stored form of food in fungi.

    (a) True
    (b) False
  11. Rhizobium, associated with root nodules of leguminous plants fixes atmospheric nitrogen.

    (a) True
    (b) False
  12. Non- infectious diseases remain confined to the person who develops the disease and do not spread to others.

    (a) True
    (b) False
  13. Hepatitis B is more dangerous than Hepatitis A.

    (a) True
    (b) False
  14. 4 x 1 = 4
  15. Swine flu

  16. (1)

    Human Papilloma virus

  17. Genital warts

  18. (2)

    Mycobacterium

  19. AIDS

  20. (3)

    Human Immuno deficiency Virus

  21. Tuberculosis

  22. (4)

    Influeuza virus H1N1

    2 x 2 = 4
  23. Define the Bacteriophages

  24. Define the Vaccines

  25. 2 x 3 = 6
  26. Distinguish between Virion and Viroid.

  27. What is triple antigen? Mention the disease which can be prevented by using the antigen.

  28. 1 x 5 = 5
  29. Explain the various types of viruses with examples.

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