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WorksheetsBioprocess Engineering (Quiz 1)
Total questions: 20
Worksheet time: 13mins
Name
Class
Date
1.
What is the type of this fermentation process?
a)
Batch fermentation process
b)
Fed-batch of fermentation process
c)
Chemostat
d)
Recylce process
2.
This is used to promote aeration in bioreactor
a)
Impeller
b)
condenser
c)
antifoam
d)
sparger
3.
Which are the advantages of solid-state fermentation?
a)
Low capital cost
b)
risk of contamination low
c)
simple technology
d)
difficult to scale up
4.
...................is best suited for fungi that required less moisture content.
a)
Batch
b)
Continuous
c)
Fed Batch
d)
Solid state
5.
The process carried out by yeast that causes bread to rise is
a)
lactic acid fermentation
b)
cellular respiration
c)
alcoholic fermentation
d)
yeast mitosis
6.
Bacteria reproduce by …
a)
Budding
b)
Binary fission
c)
Spores
d)
Meiosis
7.
The Lag phase of bacterial growth is characterised by … in numbers.
a)
a minor increase
b)
a sharp increase
c)
no increase
d)
a drop
8.
Colonies can form during the reproduction of which organism?
a)
Ants
b)
Yeast
c)
Rhizopus
d)
Bacteria
9.
Which phase of bacteria growth is being referred to? Bacteria are multiplying rapidly
a)
Lag
b)
Log
c)
Stationary
d)
Decline
10.
Which of the following is not a shape of bacteria
a)
Cocci
b)
Rod
c)
Spiral
d)
Conical
11.
Which of the following is not required for bacteria to grow
a)
Water
b)
Warm temperature
c)
Oxygen
d)
Light
12.
Fermentation is:
a)
Cellular Respiration
b)
Photosynthesis
c)
Aerobic
d)
Anaerobic
13.
A bioreactor is:
a)
a reaction between two biological organisms
b)
a chamber where vampires sleep during the day
c)
a laboratory room for biologists
d)
a container used for bioprocessing; there are several types
14.
In biology, a cell is:
a)
a place to keep criminals
b)
the smallest unit of life that can grow and reproduce independently
c)
the total hereditary material in a genome
d)
a small piece of DNA found in bacteria
15.
In biology, to "culture" or a "culture" is:
a)
the growth of living organisms in a prepared media / artificially controlled environment
b)
the total hereditary material of a cell
c)
use microorganisms to decompose materials
d)
using a protein to accelerate biochemical reactions
16.
An enzyme is:
a)
a protein that accelerates the rate of biochemical reactions such as converting sugars into simpler molecules
b)
the complete genetic material of an organism
c)
a collection of cells containing the same genetic material
d)
a small section of a chromosome with limited amounts of DNA in it
17.
What chemical activity uses microorganisms to decompose biomass materials?____________________________________
a)
Fermentation
b)
Mutation
c)
Phenotypes
d)
Hybrid
18.
_______ can be killed with antibiotics.
a)
fungi
b)
virus
c)
bacteria
d)
rickettsiae
19.
Anaerobic grows in O2
a)
true
b)
false
20.
Sterilization _______
a)
grows microorganisms
b)
preserves bacteria
c)
destroys all microorganisms
d)
none of the above
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