Question

What are biological indicators?Give an example.
Define eutrophication?
What is BOD?​

Answer 1

Answer:

Biological indicators (BIs), as defined by ANSI/AAMI and ISO, are test systems containing viable microorganisms providing a defined resistance to a specific sterilization process. ... Endospores, or bacterial spores, are the microorganisms primarily used in BIs. They are considered some of the toughest ones to kill.

Answer 2

What are biological indicators?

• Biological indicators (BIs), as defined by ANSI/AAMI and ISO, are test systems containing viable microorganisms providing a defined resistance to a specific sterilization process.

Define eutrophication?

• excessive richness of nutrients in a lake or other body of water, frequently due to run-off from the land, which causes a dense growth of plant life.

What is BOD?

• BOD is the amount of oxygen that will be consumed by bacteria or other aerobic microorganisms while decomposing organic matter under aerobic conditions.

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