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