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. Beijerinck and __________ pioneered the use of enrichment cultures and selective media.
2 / 50
B. Alcoholic fermentation was found to be catalyzed by __________
3 / 50
C. 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
D. ___________ coined the term cell.
5 / 50
E. The class of microorganisms that has growth optima around 20 ۫C to 45 ۫C is __________
6 / 50
F. __________ is the simplest virus.
7 / 50
G. The formation of diphtheria tetanus antitoxins was induced by: ___________
8 / 50
H. A system of surgery designed to prevent microorganisms from entering wounds was developed by __________
9 / 50
I. ____________are large thick walled spores formed when the tips of two sexually compatible hyphae fuse together.
10 / 50
J. One of these is not an agricultural activity of microorganisms:
11 / 50
K. The microscope used to study microbial motility and determining the shape of line cells is: __________
12 / 50
L. A regular polyhedron with twenty equilateral triangle faces and twelve vertices is known as __________
13 / 50
M. The first person to publish an extensive, accurate observation of microorganisms was ___________
14 / 50
N. Spoilage of meat and / or vegetables in cold syorage can be caused by some _________
15 / 50
O. Systematic classification of fungi is based on sequence analtses of _________ RNA.
16 / 50
P. A phase in the growth curve during which there is no increase in cell number of a microbial population is called ____________. phase
17 / 50
Q. In food preparation, microbes are reduced to acceptable levels using methods such as addition of vinegar and ___________
18 / 50
R. The acid used as a pharmaceutical to supply calcium to the body is: _________
19 / 50
S. Which of the following groups of bacteria is not with unusual properties?
20 / 50
T. ___________ was awarded the 1905 nobel prize for physiology or medicine.
21 / 50
U. The microscope used in the examination of unstained organisms suspended in fields is called ________ microscope.
22 / 50
V. Based on the source of energy bacteria can be classified as phototrophs and _________
23 / 50
W. Which of the following statements best describe transduction?
24 / 50
X. The Basidiomycota are known a _________ fungi.
25 / 50
Y. Another name for phenol is _________
26 / 50
Z. A microscope in which the magnified image formed by the objective lens is further enlarged by one or more additional lenses is known as: __________
27 / 50
AA. The vegetative structure of a fungus is called a __________
28 / 50
AB. The acid used as a pharmaceutical to supply calcium to the body is: __________
29 / 50
AC. Simple acellular entities that can only reproduce within living cells are called _________
30 / 50
AD. Mutation can involve the ____of nucleotides. I. division , II. addition, III. deletion
31 / 50
AE. Most microorganisms cannot be seen without ___________
32 / 50
AF. ______________ is used for food preservation.
33 / 50
AG. Which of the following is not placed in any microorganism’s domain?
34 / 50
AH. Which of the following is not a characteristic of the mycobacterium?
35 / 50
AI. The vaccine for the disease anthrax was developed between the period:
36 / 50
AJ. Cell division in Saccharomyces cerevisiae occur by _________
37 / 50
AK. The most commonly used differential staining procedure is: ____________
38 / 50
AL. Bacteria were first discovered in the year __________
39 / 50
AM. Alcoholic fermentation was found to be catalyzed by: __________
40 / 50
AN. Which one of the following is not an agricultural activity of microorganisms?
41 / 50
AO. Who supported the theory of spontaneous generation?
42 / 50
AP. A form of asexual reproduction process in which a single cell divides into two cells after developing a transverse septum is called ___________
43 / 50
AQ. __________ is used to disinfect effluents from sewage treatment.
44 / 50
AR. Heat – sensitive liquids and gases are sterilized by the use of ___________ method
45 / 50
AS. Which of the following classes of microorganisms has growth optima around 20 ۫C to 45 ۫C?
46 / 50
AT. Gram stain was developed in the year _________
47 / 50
AU. Which of the following disinfectants is used in food industries?
48 / 50
AV. Human insulin and human growth hormone are produced by __________bacteria.
49 / 50
AW. ___________ are the most plentiful form of plankton in the Arctic.
50 / 50
AX. The most commonly used differential staining procedure is: __________
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