OVERVIEW OF FERMENTATION

How many baffles that are present inside of an agitated vessel

• 1

• 2

• 3

• 4

Which types of agitators used in industrial-scale bioreactors

• Disc Turbine

• Vaned disc

• Variable Pitch open turbine

• All of the above

Which one of the following an important environmental factor required for fermenter

• Temperature

• Optimum pH

• Agitation

• All of the above

Fermenter or bioreactor refers to a device that provides all the basic necessities important for

• Biological product extraction

• Cell development

• Media development

• Growth

What is the type of this fermentation process?

• Batch fermentation process

• Fed-batch of fermentation process

• Chemostat

• Recylce process

This is used to promote aeration in bioreactor

• Impeller

• condenser

• antifoam

• sparger

Which are the advantages of solid-state fermentation?

• Low capital cost

• risk of contamination low

• simple technology

• difficult to scale up

...................is best suited for fungi that required less moisture content.

• Batch

• Continuous

• Fed Batch

• Solid state

The process carried out by yeast that causes bread to rise is

• lactic acid fermentation

• cellular respiration

• alcoholic fermentation

• yeast mitosis

Which phase of bacteria growth is being referred to? Bacteria are multiplying rapidly

• Lag
• Log
• Stationary
• Decline