Explore topic-wise MCQs in Bioprocess Engineering.

This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Bioprocess Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Suppression of regulatory mechanism is necessary in mutation for strain improvement.

A. True
B. False
Answer» B. False
Discussion
2.

Which of the following is an upstream process?

A. Product recovery
B. Product purification
C. Media formulation
D. Cell lysis
Answer» D. Cell lysis
Discussion
3.

Chelating agents prevent formation of insoluble of _________________________

A. Calcium precipitates
B. Enzyme precipitates
C. Metal precipitates
D. Product precipitates
Answer» D. Product precipitates
Discussion
4.

For bacteria with a Y for glucose of 0.2, which is 0.2 g cells g-1 glucose, the concentration of glucose needed to obtain 60 g dm-3 cells will be __________________

A. 60 g dm-3 glucose
B. 30 g dm-3 glucose
C. 300 g dm-3 glucose
D. 600 g dm-3 glucose
Answer» D. 600 g dm-3 glucose
Discussion
5.

For bacteria with a Y for glucose of 0.5, which is 0.5 g cells g-1 glucose, the concentration of glucose needed to obtain 60 g dm-3 cells will be ______________

A. 50 g dm-3 glucose
B. 60 g dm-3 glucose
C. 100 g dm-3 glucose
D. 120 g dm-3 glucose
Answer» E.
Discussion
6.

For bacteria with a Y for glucose of 0.5, which is 0.5 g cells g-1 glucose, the concentration of glucose needed to obtain 30 g dm-3 cells will be ____________

A. 20 g dm-3 glucose
B. 40 g dm-3 glucose
C. 50 g dm-3 glucose
D. 60 g dm-3glucose
Answer» E.
Discussion
7.

The equation of aerobic fermentation is a qualitative term –Carbon and energy source + Nitrogen source + O2 + other requirements → Biomass + products + CO2 + H2O + heat.

A. True
B. False
Answer» C.
Discussion
8.

CHELATING_AGENTS_PREVENT_FORMATION_OF_INSOLUBLE_OF__________________________?$

A. Calcium precipitates
B. Enzyme precipitates
C. Metal precipitates
D. Product precipitates
Answer» D. Product precipitates
Discussion
9.

Suppression of regulatory mechanism is necessary in mutation for strain improvement.$

A. True
B. False
Answer» B. False
Discussion
10.

Which_of_the_following_is_an_upstream_process?$

A. Product recovery
B. Product purification
C. Media formulation
D. Cell lysis
Answer» D. Cell lysis
Discussion
11.

Which of the following is not an antifoaming agent?

A. Sodium lauryl sulfate
B. Silicones
C. Glycols
D. Alkyl polyacrylates
Answer» B. Silicones
Discussion
12.

Medium containing pure compounds is suitable for large scale.

A. True
B. False
Answer» C.
Discussion
13.

The culture medium should not ________________

A. Be sterilized
B. Be cheap and readily available
C. Contain desired products
D. Allow high yield of undesired products
Answer» E.
Discussion
14.

For bacteria with a Y for glucose of 0.2, which is 0.2 g cells g-1 glucose, the concentration of glucose needed to obtain 60 g dm-3 cells will be __________________

A. 60 g dm<sup>-3</sup> glucose
B. 30 g dm<sup>-3</sup>glucose
C. 300 g dm<sup>-3</sup>glucose
D. 600 g dm<sup>-3</sup> glucose
Answer» D. 600 g dm<sup>-3</sup> glucose
Discussion
15.

For bacteria with a Y for glucose of 0.5, which is 0.5 g cells g-1 glucose, the concentration of glucose needed to obtain 60 g dm-3 cells will be ______________

A. 50 g dm<sup>-3</sup> glucose
B. 60 g dm<sup>-3</sup>glucose
C. 100 g dm<sup>-3</sup>glucose
D. 120 g dm<sup>-3</sup>glucose
Answer» E.
Discussion
16.

For bacteria with a Y for glucose of 0.5, which is 0.5 g cells g-1 glucose, the concentration of glucose needed to obtain 30 g dm-3 cells will be ____________

A. 20 g dm<sup>-3</sup> glucose
B. 40 g dm<sup>-3</sup> glucose
C. 50 g dm<sup>-3</sup> glucose
D. 60 g dm<sup>-3</sup>glucose
Answer» E.
Discussion
17.

Biomass and product formation are related.

A. True
B. False
Answer» B. False
Discussion
18.

The equation of aerobic fermentation is a qualitative term –

A.
B. True
Answer» C.
Discussion