16. Most important species of vinegar bacteria causing sliminess is

A. Acetobacter aceti
B. Saccharomyces carlsbergiensis
C. Lactobacillus lactis
D. None of the above

17. Which of the following is not an ale type of beer?

A. Weiss beer
B. Porterr
C. Stout
D. Pilsener

18. S. patorianns can cause

A. cloudiness in beer
B. ester like taste in beer
C. stringent taste in beer
D. bitter taste