Winemaking Practice Exam

Test your winemaking knowledge

Looking for help with your online winemaking course? Want practice to supplement the UC Davis winemaking certificate program or maybe you’re looking for help for how to become a winemaker. Either way, this quiz will give you a good idea on how well you know your stuff!

As always, we recommend hands-on experience is the best way to learn fast. Check out our post on how to get a harvest gig at a winery and start taking steps to becoming a winemaker today.

Winemaking Practice Test

Ready to test your knowledge of what it takes to be a winemaker? Check out the Winemaking Practice Test below! 

How long will a typical primary fermentation take, on average? 7 - 10 days 3 - 7 days 1 - 3 days 12 - 15 days

What sugar concentration is generally considered "dry"? less than .4% g/L less than .8% g/L less than 1.2% g/L 0% g/L

What are possible causes of stopped fermentation? Ethanol tolerance Extreme temperature Lack of nutrients like Nitrogen All of the above

What is NOT an example of a problem fermentation? Sluggish fermentation Arrested fermentation Off-character production like H2S CO2 emissions

This common fault with wine is recognized by a "rotten egg" smell. SO2 Brettanomyces H2S HO3

Which of the following has a NEGATIVE influence on Malolactic Fermentation? Increase in Nitrogen Increase in pH SO2 addition Higher temperature

What is NOT an effect of Malolactic Fermentation CO2 Diacetyl Microbial Stability Lower pH

Choose the following that is true for Malic Acid Normally respirates less than Lactic Acid Shows higher levels in grapes from warmer climates Decreases during Malolactic Fermentation All of the above

What is an affect of aging "sur lie" Creaminess texture and mouthfeel Easier time encouraging Malolactic Fermentation Added nutrients with decreased tannins All of the above

What is meant by "racking"? Placing barrels in the cellar on top of one another Extracting liquid from a vessel to another vessel while leaving solids behind Gravity fed exchanges of liquids and solids from tank to barrel Bottle line assembly planning and preparation

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