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. Heat – sensitive liquids and gases are sterilized by the use of ___________ method
2 / 50
B. Mutation can involve the ____of nucleotides. I. division , II. addition, III. deletion
3 / 50
C. Alcoholic fermentation was found to be catalyzed by: __________
4 / 50
D. Beijerinck and __________ pioneered the use of enrichment cultures and selective media.
5 / 50
E. Which of the following is not placed in any microorganism’s domain?
6 / 50
F. Cell division in Saccharomyces cerevisiae occur by _________
7 / 50
G. ____________are large thick walled spores formed when the tips of two sexually compatible hyphae fuse together.
8 / 50
H. The union of a special male structure called a spermatium with a female reproductive structure is called ___________
9 / 50
I. Based on the source of energy bacteria can be classified as phototrophs and _________
10 / 50
J. Which of the following classes of microorganisms has growth optima around 20 ۫C to 45 ۫C?
11 / 50
K. The most commonly used differential staining procedure is: ____________
12 / 50
L. ______________ is used for food preservation.
13 / 50
M. Simple acellular entities that can only reproduce within living cells are called _________
14 / 50
N. Which of the following is not a characteristic of the mycobacterium?
15 / 50
O. A microscope in which the magnified image formed by the objective lens is further enlarged by one or more additional lenses is known as: ___________
16 / 50
P. One of these is not an agricultural activity of microorganisms:
17 / 50
Q. The formation of diphtheria tetanus antitoxins was induced by: ___________
18 / 50
R. Which of the following groups of bacteria is not with unusual properties?
19 / 50
S. Which of the following disinfectants is used in food industries?
20 / 50
T. The microscope used to study microbial motility and determining the shape of line cells is: __________
21 / 50
U. A form of asexual reproduction process in which a single cell divides into two cells after developing a transverse septum is called ___________
22 / 50
V. Most microorganisms cannot be seen without ___________
23 / 50
W. Gram stain was developed in the year _________
24 / 50
X. Who supported the theory of spontaneous generation?
25 / 50
Y. Spoilage of meat and / or vegetables in cold syorage can be caused by some _________
26 / 50
Z. A regular polyhedron with twenty equilateral triangle faces and twelve vertices is known as __________
27 / 50
AA. The acid used as a pharmaceutical to supply calcium to the body is: __________
28 / 50
AB. Human insulin and human growth hormone are produced by __________bacteria.
29 / 50
AC. The class of microorganisms that has growth optima around 20 ۫C to 45 ۫C is __________
30 / 50
AD. The Basidiomycota are known a _________ fungi.
31 / 50
AE. The process by which the internal and external structures of cells and microorganisms are preserved and fixed in a position is known as: _________
32 / 50
AF. The vaccine for the disease anthrax was developed between the period:
33 / 50
AG. The vegetative structure of a fungus is called a __________
34 / 50
AH. A microscope in which the magnified image formed by the objective lens is further enlarged by one or more additional lenses is known as: __________
35 / 50
AI. Which one of the following is not an agricultural activity of microorganisms?
36 / 50
AJ. The acid used as a pharmaceutical to supply calcium to the body is: _________
37 / 50
AK. Alcoholic fermentation was found to be catalyzed by __________
38 / 50
AL. A system of surgery designed to prevent microorganisms from entering wounds was developed by __________
39 / 50
AM. In food preparation, microbes are reduced to acceptable levels using methods such as addition of vinegar and ___________
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. Which of the following statements best describe transduction?
42 / 50
AP. ___________ are the most plentiful form of plankton in the Arctic.
43 / 50
AQ. Which of the following genera of bacteria are aerobes or facultative anaerobes that from irregular clusters by dividing into two or more planes?
44 / 50
AR. __________ is the simplest virus.
45 / 50
AS. __________ is used to disinfect effluents from sewage treatment.
46 / 50
AT. Bacteria were first discovered in the year __________
47 / 50
AU. ___________ coined the term cell.
48 / 50
AV. The first person to publish an extensive, accurate observation of microorganisms was ___________
49 / 50
AW. The microscope used in the examination of unstained organisms suspended in fields is called ________ microscope.
50 / 50
AX. ___________ was awarded the 1905 nobel prize for physiology or medicine.
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