7B2 Microorganisms Formative Quiz 20/21

Micro means...

• large
• tiny
• living
• science 

Most microorganisms are ____-celled.

• one

• many

• five

• ten

Tags

NGSS.MS-LS1-1

Most microorganisms cannot be seen without a...

• microscope
• magnifying lens
• telescope
• x-ray machine

Which best describes where you would find microorganisms?

• in ponds, lakes, and oceans.
• in animals, plants, and humans.
• on food that has rotted.
• everywhere around us.

The smallest microorganism on earth is known as  _____________

• a virus
• bacteria
• algae
• fungi

This microorganism has whip-like flagella, that help them move.

• Virus
• Bacteria
• Algae
• Fungi

A tiny, nonliving particle that invades and then reproduces inside a living cell.

• Bacteria
• Virus
• Protist
• Fungi

Which of the following statements are true?

• All microorganisms are bad
• All microorganisms are good
• Some microorganisms are harmful, while some can be helpful
• Microorganisms are too small to do anything to anyone

Tags

NGSS.MS-LS2-4

Yeast is a type of ____________ that people use to make bread.

• bacteria
• fungus
• virus
• protist

Describe the important function that  microorganisms have in an ecosystem. 

• They produce food from sunlight.
• They help to clean the air.
• They reduce the number of large animals.
• They decompose dead organisms.