Fermentation Process Quiz
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Questions and Answers

What is the purpose of dehydration in ethanol production?

  • To produce anhydrous ethanol required for blending alcohols (correct)
  • To convert ethanol into other industrial alcohols
  • To separate microbial biomass from water
  • To enhance the fermentation process

Which organism is responsible for producing butane-2,3-diol?

  • Clostridium
  • Acetobacter
  • Lactobacillus
  • Aerobacter (correct)

What is the main function of L-glutamic acid or its salt monosodium glutamate (MSG)?

  • Flavor enhancer in food products (correct)
  • Adhesive in biopolymer production
  • Stabilizer for sauces and dressings
  • Slow-release agent for pharmaceuticals

Which vitamin is produced through B-carotene fermentation?

<p>Vitamin A1 (retinal) (D)</p> Signup and view all the answers

What is the main source of original salts used in producing L-glutamic acid or MSG?

<p>Mushrooms and Seaweeds (B)</p> Signup and view all the answers

In ethanol production, why can distillation not surpass 96% concentration?

<p>Due to the presence of azeotropes (D)</p> Signup and view all the answers

What is the role of lactic acid in fermentation?

<p>Inhibits the growth of molds and other microorganisms (B)</p> Signup and view all the answers

What is the purpose of malting in the production of beers?

<p>To germinate grains in moist air (D)</p> Signup and view all the answers

Which microorganism is responsible for brewing Lager beer?

<p>Saccharomyces pastorianus (C)</p> Signup and view all the answers

What is used as a clarifying agent in winemaking to precipitate particles and tannins?

<p>Gelatin (A)</p> Signup and view all the answers

What is the primary source of ethanol production through fermentation?

<p>Starch-containing materials (A)</p> Signup and view all the answers

What is the key role of ethanol in the industry?

<p>Serving as a good solvent (B)</p> Signup and view all the answers

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