BIO217




Category: BIO217

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ATTENTION:

Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.

Good luck!


BIO217

1 / 50

A. __________ is used to disinfect effluents from sewage treatment.

2 / 50

B. The microscope used to study microbial motility and determining the shape of line cells is: __________

3 / 50

C. Who supported the theory of spontaneous generation?

4 / 50

D. Which of the following disinfectants is used in food industries?

5 / 50

E. ___________ was awarded the 1905 nobel prize for physiology or medicine.

6 / 50

F. Systematic classification of fungi is based on sequence analtses of _________ RNA.

7 / 50

G. Beijerinck and __________ pioneered the use of enrichment cultures and selective media.

8 / 50

H. The vaccine for the disease anthrax was developed between the period:

9 / 50

I. The most commonly used differential staining procedure is: __________

10 / 50

J. A form of asexual reproduction process in which a single cell divides into two cells after developing a transverse septum is called ___________

11 / 50

K. In food preparation, microbes are reduced to acceptable levels using methods such as addition of vinegar and ___________

12 / 50

L. Simple acellular entities that can only reproduce within living cells are called _________

13 / 50

M. Alcoholic fermentation was found to be catalyzed by: __________

14 / 50

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

15 / 50

O. The microscope used in the examination of unstained organisms suspended in fields is called ________ microscope.

16 / 50

P. Which of the following genera of bacteria are aerobes or facultative anaerobes that from irregular clusters by dividing into two or more planes?

17 / 50

Q. __________ is the simplest virus.

18 / 50

R. Heat – sensitive liquids and gases are sterilized by the use of ___________ method

19 / 50

S. The process by which the internal and external structures of cells and microorganisms are preserved and fixed in a position is known as: _________

20 / 50

T. Which of the following statements best describe transduction?

21 / 50

U. Cell division in Saccharomyces cerevisiae occur by _________

22 / 50

V. Which one of the following is not an agricultural activity of microorganisms?

23 / 50

W. Based on the source of energy bacteria can be classified as phototrophs and _________

24 / 50

X. Human insulin and human growth hormone are produced by __________bacteria.

25 / 50

Y. ___________ are the most plentiful form of plankton in the Arctic.

26 / 50

Z. The class of microorganisms that has growth optima around 20 ۫C to 45 ۫C is __________

27 / 50

AA. Which of the following is not a characteristic of the mycobacterium?

28 / 50

AB. ______________ is used for food preservation.

29 / 50

AC. A regular polyhedron with twenty equilateral triangle faces and twelve vertices is known as __________

30 / 50

AD. The most commonly used differential staining procedure is: ____________

31 / 50

AE. ____________are large thick walled spores formed when the tips of two sexually compatible hyphae fuse together.

32 / 50

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

33 / 50

AG. The vegetative structure of a fungus is called a __________

34 / 50

AH. Most microorganisms cannot be seen without ___________

35 / 50

AI. One of these is not an agricultural activity of microorganisms:

36 / 50

AJ. The Basidiomycota are known a _________ fungi.

37 / 50

AK. The acid used as a pharmaceutical to supply calcium to the body is: _________

38 / 50

AL. The formation of diphtheria tetanus antitoxins was induced by: ___________

39 / 50

AM. Alcoholic fermentation was found to be catalyzed by __________

40 / 50

AN. A phase in the growth curve during which there is no increase in cell number of a microbial population is called ____________. phase

41 / 50

AO. Another name for phenol is _________

42 / 50

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

43 / 50

AQ. The first person to publish an extensive, accurate observation of microorganisms was ___________

44 / 50

AR. Spoilage of meat and / or vegetables in cold syorage can be caused by some _________

45 / 50

AS. The acid used as a pharmaceutical to supply calcium to the body is: __________

46 / 50

AT. Gram stain was developed in the year _________

47 / 50

AU. A system of surgery designed to prevent microorganisms from entering wounds was developed by __________

48 / 50

AV. Mutation can involve the ____of nucleotides. I. division , II. addition, III. deletion

49 / 50

AW. Which of the following groups of bacteria is not with unusual properties?

50 / 50

AX. ___________ coined the term cell.

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