MCB 102 CBT PRACTICE TEST

1. Bacteria are divided into _____ volumes based on Bergey manual of systematic bacteriology.

2. Chemotrophs are:

3. In which of the following treatment involve oxidation of organic constituents of the wastewater

4. Which of the following occurs when a culture of microorganisms is transferred from a nutritionally poor medium to a richer one?

5. Tyrocidines are more effective against ____________

6. Which of the following is a family of lambda phage viruses?

7. The following processes result in variation in microorganisms except _____.

8. Molds and yeasts are important research tools in the study of these fundamental processes except ___.

9. Cryptococcosis is a disease of ______________

10. Which of the following is used in electron microscope?

11. For which viral disease, vaccine has been recently developed through the use of tissue culture?

12. Vaccination was invented by __________

13. Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed?

14. Which of the following inhibits DNA replication?

15. Which of the following classes of microorganisms has growth optima around 20 ۫ C to 45 ۫ C?

16. Which of the following are produced by microorganisms?

17. The vaccine for the disease anthrax was developed between the period __

18. Which among the following are microaerophilic bacteria?

19. The following characterizes the cytoplasmic membrane except: _______.

20. Glycolysis can occur in _________

21. A microscope in which the magnified image formed by the objective lens is further enlarged by one or more additional lenses is known as _______.

22. Which of the following deadly diseases cannot be prevented by vaccines?

23. What is Microbiology?

24. The respiratory chain of bacteria is associated with the ______

25. The following are agricultural activities of microorganisms except _______.

26. Which of the following statements best describe the term systematics?

27. Chrysolaminarin is the reserved food of ____________

28. Protozoa that eat other organisms are known as _____________

29. Which of the following shapes can be assumed by a bacterium?

30. Acridine orange is which type of mutagen?

31. The acid used as a pharmaceutical to supply calcium to the body is _______.

32. Organisms that are damaged by normal atmospheric level of oxygen and require oxygen level below the range of 2 to 10 % for are classified as:

33. The following are external structure of a bacterial cell wall except ____.

34. In bacterial cells, the capsules:

35. Cellulose is degraded to cellobiose by the enzyme ________________

36. Which of the following environmental factors does not influence microbial growth?

37. To which of the following class of microorganisms does Enterococus faccalis belong?

38.

What is the approximate size of the bacterial cell

39. Who is known as the father of Microbiology?

40. Which was the first disease for which a chemotherapeutic agent was used?