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1. _________ is also known as germ warfare.

2. The structures of microbial cells is called_________

3. Louis Pasteur was a Professor of_________

4. Which groups of microorganism are not placed in any of the domains?

5. _______ is the study of organisms too small to be seen distinctly with the unaided eyes.

6. The ____ is the fundamental unit of life

The excitation light continues down through the objective lens to specimen stained with
spaced dye molecules called_______

8. The body or vegetative structure of a fungus is called a _________

___________ involves the study of soil microorganisms which has led to the discovery of
antibiotics and other important chemicals.

10. _____ are organisms too small to be seen clearly by the unaided eyes

11. Robert Hooke named his book _______

12. DNA stands for_________

_________ are small slightly curved rods,or comma shaped 3-4μm in length by 0.5μm in
width.

14. Microorganisms are everywhere and can be beneficial and also harmful to human

15. The ordinary microscope is called a bright field microscope because_______

16. Modern microscopes are compound microscopes.

Examinations of a microbial cell require the use of a high power microscope usually of about
_________ diameters.

18. __________ are stick like bacteria with rounded, square, tapered or swollen ends.

__________ proved that maggots on decaying meat came from fly eggs deposited on the
meat, and not from the meat itself.

__________ is the chemical transformation of organic compounds carried out by
microorganisms and their enzymes.

__________ is the ability of a lens to separate or distinguish between small objects that are
close together

22. ________ used a vaccination procedure to protect individuals from smallpox

23. There are _________types of microscopes

24. __________ comprise the molds, mushrooms and yeasts.

__________ is the process by which the internal and external structures of cells and
microorganisms are preserved and fixed in position

26. Organisms having more than one cell are said to be ____

The ________ states that the minimal distance (d) between two objects that reveal them as
separate entities depends on the wavelength of light used to illuminate the specimen and on
the numerical aperture of the lens ( which is the ability of the lens to gather light.

28. Bacteria was discovered in ____

_________ deals with how the immune system protects the body from pathogens and the
response of infectious agents.

30. Koch discovered causative organisms tuberculosis _______

31. Pasteur‟s work ushered in the _________of Microbiology.

32. _________ discovered bacteria in 1676

33. Obligately anaerobic fungi are found in the _________of cattle.

__________ developed a system of surgery designed to prevent microorganisms from
entering wounds.

35. Fungi comprise the molds, mushrooms and_________

36. The study of microorganisms is called_____

37. _________ coined the term “cells” to describe the “little boxes”

38. Eukaryotic microorganisms are visible without magnification.

39. Fungi comprise the_________, mushrooms and yeasts.

The process by which the internal and external structures of cells and microorganisms are
preserved and fixed in position is_________

41. ______ deals with in the dissemination of diseases in the air, contamination and spoilage.

42. _________ is a kind of staining in which a single stain or dye is used

43. Koch discovered causative organisms of anthrax _________

Microscopes provide __________ which enables us to see microorganisms and study their
structures.

45. __________ is the study of bacteria

46. Modern microscopes are __________ microscopes.

47. ________ states that microorganisms are the cause of infectious diseases.

48. Yeasts are _________fungi

49. Resolution is also known as the_______

50. The study of protozoa is called_____