General Microbiology (FTAP2201)

BSc Food Science and Technology - FST

Semester: Second Semester

Level: 200

Year: 2019

Answers (200 )
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THE UNIVERSITY OF BAMENDA
COLLEGE OF TECHNOLOGY
2018 / 2019 Academic year Second Semester
General Microbiology (FSAP 2202) Continuous Assessment
Section A: Multiple choice questions. Choose the letter corresponding to the most correct/appropriate answer
(10 marks)
1.
He first observed and made drawings of microorganisms, describing them as "little animalcules".
a)
Robert Hooke
b)
Louis Pasteur
c)
Antony van Leeuwenhoek
d)
Robert Koch
2.
The first proof of the involvement of bacteria in disease and definitive proof of the germ theory of
disease came from him
a)
Robert Hooke
b)
Louis Pasteur
c)
Antony van Leeuwenhoek
d)
Robert Koch
3.
Who is known as the "Father of Microbiology"?
a)
Louis Pasteur
b)
Robert Koch
c)
Robert Hooke
d)
Paul Ehlirch
4.
Who is known as the "Father of Bacteriology"?
a)
Louis Pasteur
b)
Robert Koch
c)
Robert Hooke
d)
Paul Ehlirch
5.
The technique of vaccination using cowpox material was introduced in 1796 by
a)
Edward Jenner
b)
Louis Pasteur
c)
Paul Ehlirch
d)
Robert Koch
6.
He proposed the system of taxonomy that groups all living things into the Animal and Plant kingdoms
a)
Robert Whittaker
b)
Ernest Haeckel
c)
Carolus Linnaeus
d)
Carl Woese
7.
The American Ecologist who proposed five-kingdom taxonomy was called
a)
Robert Whittaker
b)
Ernest Haeckel
c)
Carolus Linnaeus
d)
Carl Woese
8.
He proposed the six-kingdom taxonomy with the discovery of the Archaea
a)
Robert Whittaker
b)
Ernest Haeckel
c)
Carolus Linnaeus
d)
Carl Woese
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9.
A prokaryotic cell
a)
Doesn't have a true nucleus
b)
It's DNA is free in the cytoplasm
c)
Lacks membrane bound organelles
d)
All of the above
10.
A eukaryotic cell
a)
Has a nuclear membrane and a nucleolus
b)
Doesn't have mitochondria
c)
Has multiple linear chromosomes with histones
d)
"a" and "b" are correct
e)
"a" and "c" are correct
11.
The gram-positive cell wall
a)
Is composed mostly of several layers of peptidoglycan
b)
Has a thin peptidoglycan layer
c)
Contains teichoic acids and lipoteichoic acids
d)
Contains lipoproteins and lipopolysaccharides
e)
"b" and "d" are not correct
12.
The gram-negative cell wall
a)
Is composed mostly of several layers of peptidoglycan
b)
Has a thin peptidoglycan layer
c)
Contains teichoic acids and lipoteichoic acids
d)
Contains lipoproteins and lipopolysaccharides
e)
"b" aijd "d" are correct
13.
The plasma membrane
a)
Is a bilayer of phospholipids
b)
Is a monolayer of phospholipids
c)
Is amphipathic
d)
Contains both peripheral and integral proteins
e)
All are correct except for "b"
14.
The plasma membrane
a)
Is selectively permeable
b)
Allows the transport of both solutes and solvents
c)
Transports both passively and actively
d)
All the above are correct
e)
"a" and "c" are correct
15.
Cocci
a)
Are always arranged in clusters
b)
Can divide in one, two, and three planes
c)
Can also divide in random planes
d)
All the above are correct
e)
"b" and "c" are correct
16.
Bacilli
a)
Can exist singly, in pairs or chains
b)
Can divide in one, two, and three planes
c)
Can also divide in random planes
d)
All the above are correct
e)
"b" and "c" are correct
17.
Fungi imperfecti
a)
Are deuteromycetes
b)
Have only a sexual stage of reproduction
c)
Have only an asexual stage of reproduction
d)
"a" and "b” are correct
e)
"a" and "c" are correct
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18.
Viruses
a)
Always carry both DNA and RNA
b)
Can possess either DNA or RNA but not both
c)
Are obligate intracellular parasites
d)
"a" and "c" are correct
e)
"b" and "c" are correct
19.
Viroids
a)
Are short circular self-replicating DNA molecules
b)
Are short circular self-replicating RNA molecules
c)
Are non-self-replicating RNA molecules
d)
Are infectious proteins molecules
e)
None of the above
20.
Prions
a)
Are short circular self-replicating DNA molecules
b)
Are short circular self-replicating RNA molecules
c)
Are non-self-replicating RNA molecules
d)
Are infectious proteins molecules
e)
None of the above
Section B (10 marks)
1.
What are macronutrients? How do they differ from micronutrients? Give at least four examples in
each case (2 marks)
2.
Define the following with examples (4 marks)
a)
Photolithoautotrophy
b)
Photoorganoheterotrophy
c)
Chemolithoautotrophy
d)
Chemoorganoheterotrophy
3.
What is a culture medium? Based on purpose some media are said to be selective, define a selective
medium giving an example (2 marks)
4.
Name three techniques that can be used to obtain a pure culture. Which of these techniques can be
used for microbial population counts? (2 marks)
Dr. Clarisse Yafi Njua
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