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. Who supported the theory of spontaneous generation?
2 / 50
B. Bacteria were first discovered in the year __________
3 / 50
C. A phase in the growth curve during which there is no increase in cell number of a microbial population is called ____________. phase
4 / 50
D. ___________ are the most plentiful form of plankton in the Arctic.
5 / 50
E. Most microorganisms cannot be seen without ___________
6 / 50
F. A regular polyhedron with twenty equilateral triangle faces and twelve vertices is known as __________
7 / 50
G. Which of the following is not placed in any microorganism’s domain?
8 / 50
H. The first person to publish an extensive, accurate observation of microorganisms was ___________
9 / 50
I. Based on the source of energy bacteria can be classified as phototrophs and _________
10 / 50
J. Alcoholic fermentation was found to be catalyzed by: __________
11 / 50
K. The microscope used in the examination of unstained organisms suspended in fields is called ________ microscope.
12 / 50
L. The vegetative structure of a fungus is called a __________
13 / 50
M. ____________are large thick walled spores formed when the tips of two sexually compatible hyphae fuse together.
14 / 50
N. Spoilage of meat and / or vegetables in cold syorage can be caused by some _________
15 / 50
O. The most commonly used differential staining procedure is: ____________
16 / 50
P. The vaccine for the disease anthrax was developed between the period:
17 / 50
Q. Beijerinck and __________ pioneered the use of enrichment cultures and selective media.
18 / 50
R. Gram stain was developed in the year _________
19 / 50
S. __________ is the simplest virus.
20 / 50
T. Simple acellular entities that can only reproduce within living cells are called _________
21 / 50
U. Mutation can involve the ____of nucleotides. I. division , II. addition, III. deletion
22 / 50
V. Which of the following groups of bacteria is not with unusual properties?
23 / 50
W. Heat – sensitive liquids and gases are sterilized by the use of ___________ method
24 / 50
X. In food preparation, microbes are reduced to acceptable levels using methods such as addition of vinegar and ___________
25 / 50
Y. The formation of diphtheria tetanus antitoxins was induced by: ___________
26 / 50
Z. A system of surgery designed to prevent microorganisms from entering wounds was developed by __________
27 / 50
AA. The process by which the internal and external structures of cells and microorganisms are preserved and fixed in a position is known as: _________
28 / 50
AB. A form of asexual reproduction process in which a single cell divides into two cells after developing a transverse septum is called ___________
29 / 50
AC. One of these is not an agricultural activity of microorganisms:
30 / 50
AD. Alcoholic fermentation was found to be catalyzed by __________
31 / 50
AE. Cell division in Saccharomyces cerevisiae occur by _________
32 / 50
AF. A microscope in which the magnified image formed by the objective lens is further enlarged by one or more additional lenses is known as: __________
33 / 50
AG. A microscope in which the magnified image formed by the objective lens is further enlarged by one or more additional lenses is known as: ___________
34 / 50
AH. ______________ is used for food preservation.
35 / 50
AI. Systematic classification of fungi is based on sequence analtses of _________ RNA.
36 / 50
AJ. ___________ coined the term cell.
37 / 50
AK. The Basidiomycota are known a _________ fungi.
38 / 50
AL. Which of the following disinfectants is used in food industries?
39 / 50
AM. The most commonly used differential staining procedure is: __________
40 / 50
AN. The acid used as a pharmaceutical to supply calcium to the body is: _________
41 / 50
AO. __________ is used to disinfect effluents from sewage treatment.
42 / 50
AP. Another name for phenol is _________
43 / 50
AQ. Human insulin and human growth hormone are produced by __________bacteria.
44 / 50
AR. ___________ was awarded the 1905 nobel prize for physiology or medicine.
45 / 50
AS. The class of microorganisms that has growth optima around 20 ۫C to 45 ۫C is __________
46 / 50
AT. The microscope used to study microbial motility and determining the shape of line cells is: __________
47 / 50
AU. Which one of the following is not an agricultural activity of microorganisms?
48 / 50
AV. Which of the following statements best describe transduction?
49 / 50
AW. Which of the following genera of bacteria are aerobes or facultative anaerobes that from irregular clusters by dividing into two or more planes?
50 / 50
AX. The acid used as a pharmaceutical to supply calcium to the body is: __________
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