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Biotechnology - 34
Sodium or potassium meta bi sulphate is added to crushed grapes to A. enhance the flavouring compound B. check the undesirable organisms C. maintain pH D. all of the above View Answer Workspace Report Discuss in Forum A hydrometer A. measures wine acid B. requires a few drops of juice C. measures alcohol in the wine D. measures grape sugar View Answer Workspace Report Discuss in Forum Punching down is done A. for the same reasons as pumping over B. to extract tannin C. both (a) and (b) D. to keep the cap dry....
Thời gian bắt đầu: Hôm nay lúc 13:45:56(Server time)
Số câu hỏi: 10.   Tổng điểm: 10
Thời gian làm bài: 20 phút.  Thời gian còn lại: 
Cỡ chữ câu hỏi:  Cỡ chữ đáp án:
1-
Sodium or potassium meta bi sulphate is added to crushed grapes to
A-
enhance the flavouring compound
B-
check the undesirable organisms
C-
maintain pH
D-
All of the above
2-
A hydrometer
A-
measures wine acid
B-
requires a few drops of juice
C-
measures alcohol in the wine
D-
measures grape sugar
3-
Punching down is done
A-
for the same reasons as pumping over
B-
to extract tannin
C-
Both (a) and (b)
D-
to keep the cap dry
4-
Maturation of the beers is carried out at
A-
14°C
B-
10°C
C-
6°C
D-
2°C
5-
The dried malt is the source of
A-
amylase
B-
proteinases
C-
cellulase
D-
Both (a) and (b)
6-
In a hot climate, grapes lose acidity because
A-
enough tartaric acid is not made
B-
enough malic acid is not made
C-
of break down of malic acid
D-
of break down of tartaric acid
7-
What temperature is maintained during anaerobic fermentation of white wine?
A-
10-21 °C
B-
21-30 °C
C-
30-35 °C
D-
15-25 °C
8-
Ales are the beer in which fermentation is carried out using
A-
top yeast
B-
bottom yeast
C-
either of the above
D-
middle yeast
9-
How long does it take to complete fermentation process in case of red wine?
A-
1-3 days
B-
3-5 days
C-
5-7 days
D-
7-11 days
10-
In sparkling wine production, the cuvee is
A-
the wire cage that holds the cork in place
B-
the sugar addition just before corking
C-
the sugar/yeast addition to the base wine
D-
the base wine
[ Thành Lãm - ST ]

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