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1. Sarcina sickness of beer is caused by

A. Saccharomyces cerevisiae
B. Pedicoccus cerevisiae
C. S. carlsbergensis
D. Zygomonas anaeroium

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2. The Sarcina sickness of beer, caused by Pedicoccus cerevisiae, is characterized by

A. sourness
B. turbidity
C. popiness
D. all of these

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3. Parsnip like odour and taste in beer is caused by

A. Flavobacterium proteus
B. Zygomonas anaeroium
C. Lactobacillus patorianus
D. S. carlsbergensis

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4. A special beer yeast of the bottom type is

A. S. cerevisiae
B. S. carlsbergensis
C. S. thermophillus
D. none of these

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5. When the fermentation of fructose results in the bitter product mannitol, the fermentation is sometime termed as

A. mannkic
B. mannitic
C. amertume
D. none of these

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