Yeast and Its Applications CDS Questions

CDS Biology

Yeast and Its Applications MCQ Questions


1.
What is the scientific name of baker's yeast?
A.
Saccharomyces cerevisiae
B.
Aspergillus niger
C.
Penicillium notatum
D.
Clostridium botulinum
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ANSWER :
A. Saccharomyces cerevisiae
2.
Yeast requires ______ for the fermentation process to occur.
A.
Oxygen
B.
Heat
C.
Sugar
D.
Salt
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ANSWER :
C. Sugar
3.
Which of the following is a primary use of yeast?
A.
Water purification
B.
Fermentation
C.
Antibiotic production
D.
Nutrient cycling
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ANSWER :
B. Fermentation
4.
Yeast is used in bread-making to?
A.
Produce ethanol
B.
Create texture
C.
Release carbon dioxide
D.
Break down gluten
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ANSWER :
C. Release carbon dioxide
5.
What is the main byproduct of yeast fermentation in beer production?
A.
Water
B.
Oxygen
C.
Carbon dioxide
D.
Methane
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ANSWER :
C. Carbon dioxide
6.
Which product is obtained by the fermentation of sugar by yeast?
A.
Acetic acid
B.
Ethanol
C.
Lactic acid
D.
Citric acid
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ANSWER :
B. Ethanol