Loading...




Category: BIO217

0

BIO217

1 / 50

Which of the following disinfectants is used in food industries?

2 / 50

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

3 / 50

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

4 / 50

Which of the following statements best describe transduction?

5 / 50

Alcoholic fermentation was found to be catalyzed by __________

6 / 50

The most commonly used differential staining procedure is: ____________

7 / 50

Most microorganisms cannot be seen without ___________

8 / 50

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

9 / 50

The union of a special male structure called a spermatium with a female reproductive structure is called ___________

10 / 50

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

11 / 50

The vegetative structure of a fungus is called a __________

12 / 50

______________ is used for food preservation.

13 / 50

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

14 / 50

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

15 / 50

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

16 / 50

Human insulin and human growth hormone are produced by __________bacteria.

17 / 50

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

18 / 50

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

19 / 50

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

20 / 50

Bacteria were first discovered in the year __________

21 / 50

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 / 50

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

23 / 50

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

24 / 50

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

25 / 50

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

26 / 50

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

27 / 50

__________ is used to disinfect effluents from sewage treatment.

28 / 50

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

29 / 50

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

30 / 50

The formation of diphtheria tetanus antitoxins was induced by: ___________

31 / 50

Alcoholic fermentation was found to be catalyzed by: __________

32 / 50

One of these is not an agricultural activity of microorganisms:

33 / 50

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

34 / 50

Which of the following is not placed in any microorganism’s domain?

35 / 50

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

36 / 50

Cell division in Saccharomyces cerevisiae occur by _________

37 / 50

Gram stain was developed in the year _________

38 / 50

__________ is the simplest virus.

39 / 50

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

40 / 50

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

41 / 50

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

42 / 50

The most commonly used differential staining procedure is: __________

43 / 50

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

44 / 50

Another name for phenol is _________

45 / 50

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

46 / 50

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

47 / 50

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

48 / 50

The Basidiomycota are known a _________ fungi.

49 / 50

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

50 / 50

Who supported the theory of spontaneous generation?

Rate this quiz