1. Sarcina sickness of beer is caused by

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

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

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

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

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

4. A special beer yeast of the bottom type is

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

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