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Yeast Propagation MCQ Questions & Answers

Yeast Propagation MCQs : This section focuses on the "Yeast Propagation". These Multiple Choice Questions (MCQs) should be practiced to improve the Yeast Propagation skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

Dried yeasts do not require storage vessels.

A. True
B. False

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Question 2

Hammond and Wenn reported the experiences of a brewery where one newly propagated yeast strain produced slow fermentation. This was due to inability of strain to utilize __________

A. Glucose
B. Fructose
C. Maltotriose
D. Sucrose

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Question 3

The reproduction in yeast is by ____________

A. Binary fission
B. Regeneration
C. Budding
D. Fragmentation

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Question 4

The terminal stages in laboratory propagation uses ___________

A. Yeast extract
B. Peptones
C. Glucose
D. Wort

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Question 5

The vessels in the brewery propagation are operated under _____________ bar pressure.

A. 1.0 – 2.0
B. 3.0 – 5.0
C. 0.5 – 1.0
D. 0.1 – 0.5

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Question 6

The viability of dried yeast is ____________

A. 35 %
B. 50 %
C. 95 %
D. 65 %

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Question 7

What is the capacity of a stainless steel flask used in the terminal laboratory stage?

A. 20 liters
B. 30 liters
C. 25 liters
D. 15 liters

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Question 8

Which of the following is a very important requirement of a propagator?

A. Hygiene
B. Cycle time of propagation
C. Condition of yeast
D. Viability of yeast

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Question 9

Which of the following is not a requirement of a propagator?

A. Phenotype of yeast
B. Condition of yeast
C. Viability of yeast
D. Cycle time of propagation

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Question 10

Which of the following is used for propagating or germinating cells or seedlings?

A. Incubator
B. Transilluminator
C. Propagator
D. Centrifuge

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Question 11

Which of the following results in the formation of nitrosamines?

A. Lactobacillus sp.
B. Obesumbacterium sp.
C. Streptococcus sp.
D. Staphylococcus sp.

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Question 12

Who first described the application of dried yeast?

A. Muller
B. Fels
C. Lawrence
D. Quain

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Question 13

Yeast propagation on wort generates the greater yield of the yeast.

A. True
B. False

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