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Introduction to Microbiology (STM 211) Quiz

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Introduction to Microbiology (STM 211) Quiz

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Questions and Answers

Which of the following is NOT an example of microorganisms studied in microbiology?

Algae

Bacteria

Plants (correct)

Viruses

What is the primary function of microbes in nutrient cycling and bio-degradation?

Producing bio-fuels

Breaking down organic matter (correct)

Spoiling food

Causing disease

Which microbe has a cell structure simpler than that of many other organisms?

Protozoa

Bacteria (correct)

Algae

Viruses

What is the extra circle of genetic material found in some bacteria called?

Plasmid Signup and view all the answers

Which category does not belong to the classification of microbes mentioned in the text?

Insects Signup and view all the answers

What role do microbes play in biotechnology?

Manufacturing drugs Signup and view all the answers

What distinguishes bacteria from other organisms?

Relatively small, single-celled, no nucleus or other membrane-bound organelles Signup and view all the answers

What is a common habitat for most algae?

Fresh or sea water Signup and view all the answers

What pigment do all algae contain?

Chlorophyll a Signup and view all the answers

What is a unique characteristic of diatoms?

Their cell walls contain a hard substance called silica Signup and view all the answers

Where do most fungi live?

Mainly in soil or on plant material Signup and view all the answers

Which group of fungi plays an important role in decomposing dead plant matter?

The decomposers Signup and view all the answers

What characteristic distinguishes bacteria from algae?

Existence as single cells, in pairs, chains or clusters Signup and view all the answers

What is a common characteristic of algae?

They can be unicellular or multicellular Signup and view all the answers