Beer and Wine
Which is not the purpose of punching down?

To extract tannin
To reduce possible microbial spoilage
To oxidize the wine
To keep the cap moist

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Beer and Wine
Grist is

an aqueous extract of malt
coagulated protein obtained during boiling
malted barley
coarse powder obtained after milling of malted barley

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Beer and Wine
Wine yeast

is resistant to sulphur di oxide
is sensitive to sulphur di oxide
shows enhanced enzyme production in presence of sulphur di oxide
None of these

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