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DSP - MCQ

Total questions: 15

Worksheet time: 13mins

Name
Class
Date
1.

Which of the following is upstream processing?

a)

Product recovery

b)

Product purification

c)

Media formulation

d)

Cell lysis

2.

Which of the following is not a product of fermentation?

a)

oxygen

b)

Carbondioxide

c)

Ethanol

d)

Lactate

3.

Which of the following is downstream processing

a)

Product recovery

b)

Isolation of microorganism

c)

Media formulation

d)

Design of reactor

4.

Identify the correct sequence in fermentation process

a)

Inoculation, screening of microbe, fermentation, downstream, removal of waste

b)

screening of microbe, inoculation, fermentation, downstream, removal of waste

c)

fermentation, screening of microbe, inoculation, downstream, removal of waste

d)

screening of microbe, fermentation, inoculation, downstream, removal of waste

5.
What is bioreactor?
a)
A large receptacle or storage chamber, especially for liquid or gas.
b)
An apparatus used for biochemical reaction or process in industrial to produce biological product
c)
Vessels designed to contain chemical reaction
d)
 Essential item used in distillation of liquid mixtures so as to separate the mixture into its component parts, or fractions, based on the differences in volatilities.
6.
What is the type of the bioreactor shown in the figure?
a)
Bubble driven bioreactor
b)
Fluidized bed bioreactor
c)
Stirred tank bioreactor
d)
Packed bed bioreactor
7.
What are the bioreactor operational modes?
a)
Batch and continuous
b)
Batch and fed batch
c)
Batch, continuous and fed batch
d)
Batch, continuous, fed batch and chemostat
8.
Agitation system consist of ...
a)
Agitator
b)
Baffle
c)
Mechanical seal
d)
All of the above
9.

Identify the correct sequence during the industrial production of substances.

a)

Inoculation, screening, fermentation, downstream processing, removal of waste

b)

Screening, Inoculation, fermentation, downstream processing, removal of waste

c)

Fermentation, screening, inoculation, removal of waste, downstream processing

d)

Fermentation, inoculation, inoculation, removal of waste, downstream processing

10.

If all properties of a system, such as temperature, pressure, concentration, volume, mass, etc. do not vary with time, the process is said to be

a)

Adiabatic

b)

Steady

c)

Unsteady

d)

Continous

11.

Primary recovery depends upon " intracellular or extra cellular product formation"

a)

true

b)

false

12.

Bioreactor is also known as

a)

Fermentor

b)

Vessel

c)

Fermentation

13.

Fermenter allow the production of material in

a)

small amount

b)

fixed amount

c)

bulk amount

d)

variable amount

14.

What is the basic function of the fermenter?

a)

To sterilize the medium

b)

To recover the product

c)

To purify the product

d)

To provide optimum growth conditions to organisms and obtain the desired product

15.

Which of the following material is preferable for the construction of small-scale fermenter?

a)

Quartz

b)

Glass

c)

Iron steel

d)

Wood