Biology

Microorganisms in Food Production

1,086 Questions

Microorganisms play a vital role in food production through processes like fermentation and bioprocessing. Questions on this topic cover the use of yeast, bacteria, and industrial microbiology. These concepts are important for science sections in various competitive exams.

Alcoholic fermentationDairy beverage productionIndustrial ethanol preparationCitric acid productionBiodigester temperature

Microorganisms in Food Production Questions

Multiple choice

What is the main application of cellulases in industrial biotechnology?

  1. Biofuel production

  2. Food processing

  3. Detergent manufacturing

  4. Pharmaceutical production
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cellulases are primarily used in the breakdown of cellulose, a major component of plant biomass, for the production of biofuels.

Multiple choice

What is the main application of laccases in industrial biotechnology?

  1. Textile dyeing

  2. Bioremediation

  3. Food processing

  4. Pulp and paper manufacturing
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Laccases are primarily used in the pulp and paper industry to improve the brightness and strength of paper products.

Multiple choice

Which microorganism is commonly used in the production of citric acid?

  1. Aspergillus niger

  2. Saccharomyces cerevisiae

  3. Lactobacillus acidophilus

  4. Escherichia coli
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Aspergillus niger is widely used in the industrial production of citric acid through fermentation.

Multiple choice

What is the main application of xylanases in industrial biotechnology?

  1. Biofuel production

  2. Textile processing

  3. Paper manufacturing

  4. Animal feed production
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Xylanases are primarily used in the paper industry to improve the brightness and strength of paper products.

Multiple choice

Which microorganism is commonly used in the production of yogurt?

  1. Lactobacillus bulgaricus

  2. Streptococcus thermophilus

  3. Saccharomyces cerevisiae

  4. Escherichia coli
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Lactobacillus bulgaricus and Streptococcus thermophilus are the primary microorganisms used in the fermentation of milk to produce yogurt.

Multiple choice

What was the first industrial-scale fermentation process?

  1. Brewing beer

  2. Producing antibiotics

  3. Making cheese

  4. Fermenting soybeans
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Brewing beer is considered the first industrial-scale fermentation process, with evidence of beer production dating back to ancient civilizations.