Yeast Management & Microbiology

This is an MCQ-based quiz on the topic of Yeast Management & Microbiology

This includes the following:-

  1. Yeast Handling in Brewery

  2. Yeast Condition and Surplus Yeast

  3. Yeast Propagation

  4. Product Spoilage

  5. Minimizing Risk of Spoilage

  6. Sampling and Testing

Start Quiz

The yeast cake is stored in the refrigerator at _________

5 – 7°C 2 – 4°C 6 – 8°C 8 – 10°C

Which of the following difficulty arises when yeast is stored as a pressed cake?

Pressure control Foam control Dissolved oxygen control Temperature control

Prolonged storage of yeast as a cake may lead to _________________

Autolysis Radiolysis Oncolysis Hemolysis

Which of the following is not an advantage of storing yeast as a slurry?

The risk of infection is controlled Transportation via pumping Attemperation is simple It is a cheap technique

The yeast storage is made of _____________

Iron Glass Wood Stainless steel

The attemperation in slurry form is assisted by ______________

Baffles Agitator Sparger Stirrer

What is the function of the microbiological filter?

Preventing the larger molecules to pass Control of attemperation Maintenance of hygiene Maintaining water supply

The rheological properties of yeast slurry fit in ___________

Bingham pseudoplastic rheology Dilatant rheology Casson body rheology Pseudoplastic rheology

Which of the following bacteria is responsible for the development of potential carcinogens?

Lactobacillus acidophilus Enterobacter agglomerans Obesumbacterium proteus Pediococcus halophilus

Who proposed the use of polymyxin B?

Gray Kazin Lyon Ogden

Which of the following antibiotics is suitable for the use in dairy industries?

Streptomycin Gentamicin Tyrothricin Bacteriocin nisin

Who studied the effects of acid washing on 16 yeast strains?

Fernandez et al. Simpsom and Hammond Jackson Ogden

The pH of the combination of ammonium persulphate and phosphoric acid is more effective than acid lower pH lower than 2.2.

True False

Tyrothricin is an anti-oxidant.

True False
Quiz/Test Summary
Title: Yeast Management & Microbiology
Questions: 14
Contributed by:
NEO