Microorganisms Review

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

• bacteria
• fungus
• virus
• protist

Scientists must use a ____________________________ to see bacteria and protists.

• telescope
• magnifying glass
• microscope
• microorganism

Another name for a microorganism is ____________________________

• microscope
• microbe
• microprocessor
• microchip

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

What describes the relationship of microorganisms to humans?

• helpful only
• harmful only
• both helpful and harmful
• neither helpful nor harmful

Which of the following are places that microorganisms can be found?

• air only
• air and water only
• air, water, and soil only
• air, water, humans, and soil

Bacteria are involved in the production of fuel, food, and medications.

• beneficial
• harmful

Bacteria are used in environmental recycling and clean-up.

• beneficial
• harmful

Tags

NGSS.HS-LS2-7

Viruses need to be inside a living thing, like a plant, animal or person, to grow and reproduce. Diseases caused by viruses usually spread easily from one person to another. Chickenpox, measles and influenza are caused by viruses.

• beneficial
• harmful

Tags

NGSS.MS-LS2-4

Some bacteria reproduce inside our body and cause infections. Bacteria can cause sore throats, acne, ear infections and even cavities in our teeth.

• beneficial
• harmful

Some fungi are used to make medicines called antibiotics.

• beneficial
• harmful