The Fermentation Workshop

Lifestyle · 10 questions

A quiz about fermented foods beyond bread and the microorganisms involved in making them.

Answer each question first, then check with “Show the answer”. You can also play the same quiz in the Quizera app by searching for it in Explore, as a live game, a test or flashcards.

1. Which vegetable is fermented with lactic acid bacteria to make sauerkraut?

   1. Carrot
   2. Beetroot
   3. Cucumber
   4. Cabbage
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   D) Cabbage

2. Which two major microorganism groups are found in kefir grains?

   1. Acetic acid bacteria and molds
   2. Lactic acid bacteria alone
   3. Lactic acid bacteria and yeasts
   4. Molds and yeasts
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   C) Lactic acid bacteria and yeasts

3. Which mold is used to make miso?

   1. Penicillium roqueforti
   2. Saccharomyces cerevisiae
   3. Lactobacillus plantarum
   4. Aspergillus oryzae
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   D) Aspergillus oryzae

4. Which mold genus binds soybeans together during tempeh fermentation?

   1. Penicillium
   2. Aspergillus
   3. Fusarium
   4. Rhizopus
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   D) Rhizopus

5. Which two bacteria form the core yogurt culture?

   1. Bacillus subtilis and Streptococcus thermophilus
   2. Lactobacillus plantarum and Pediococcus acidilactici
   3. Streptococcus thermophilus and Lactobacillus delbrueckii subsp. bulgaricus
   4. Lactococcus lactis and Leuconostoc mesenteroides
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   C) Streptococcus thermophilus and Lactobacillus delbrueckii subsp. bulgaricus

6. Which bacterium is traditionally used to ferment natto?

   1. Bacillus subtilis var. natto
   2. Streptococcus thermophilus
   3. Lactobacillus delbrueckii
   4. Acetobacter aceti
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   A) Bacillus subtilis var. natto

7. What drink is the starting material for kombucha fermentation?

   1. Rice water
   2. Sweetened tea
   3. Salt water
   4. Milk
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   B) Sweetened tea

8. Which mold is used to ripen blue-veined cheeses?

   1. Penicillium roqueforti
   2. Penicillium camemberti
   3. Aspergillus oryzae
   4. Rhizopus oligosporus
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   A) Penicillium roqueforti

9. When making sauerkraut by lactic acid fermentation, which condition is preferred?

   1. Limited-oxygen conditions
   2. Continuous airflow
   3. Ultraviolet light
   4. High-oxygen conditions
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   A) Limited-oxygen conditions

10. As milk becomes yogurt, what main product do bacteria make from lactose?

    1. Ethanol
    2. Lactic acid
    3. Acetic acid
    4. Citric acid
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    B) Lactic acid