Microbial world and you

Which type of microbe has cell walls composed of chitin?

• bacteria

• archaea

• fungi

• protozoa

Which scientist developed the first vaccination for smallpox?

• Fleming
• Pasteur
• Jenner
• Ehrlich

Which type of microbe contains peptidoglycan in its cell wall?

• bacteria
• archaea
• fungi
• protozoa

These microbes are acellular, and are composed of a protein and nucleic acid.

• protozoa
• fungi
• viruses
• bacteria

An example of this type of microbe is the tapeworm.

• fungi
• archaea
• multicellular animal parasite
• protozoa

Contain a nucleus

• prokaryote

• eukaryote

Which scientist discovered penicillin?

• Jenner
• Fleming
• Virchow
• Redi

Most microbes are harmful to humans.

• True
• False

Who was the first person credited with observing microbes?

• van Leeuwenhoek

• Hooke

• Virchow

• Pasteur

Which is NOT a beneficial use of bacteria?

• breaking down waste
• producing insulin and other drugs
• producing ethanol, cheese, and bread
• secreting dangerous toxins