Viruses Practice 1

Which is the best definition of a virus?

• A non-living particle consisting of RNA or DNA surrounded by a protein coat.

• A non-living particle consisting of RNA or DNA surrounded by a DNA coat.

• A living particle consisting of RNA or DNA surrounded by a protein coat.

• A living Particle consisting of protein surrounded by a DNA or RNA coat.

Viruses are not considered to be living.

• True

• False

• Only on Thursday

A __________ is a tiny non-living particle, containing DNA (or RNA) surrounded by a protein coat, that may cause disease.

• bacteria

• scab

• gene

• virus

A virus needs a _______ cell in order to reproduce.

• large

• dead

• host

• weak

It is a fact that viruses are a living thing.

• True

• False

• Only on Thursday

Viruses can ______, which is a function of living cells.

• grow

• evolve

• maintain homeostasis

• not evolve

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-5

Is a virus prokaryotic or eukaryotic?

• can be both

• eukaryotic

• neither

• prokaryotic

A virus is a small infectious agent.

• True

• False

A virus causes the common cold.

• True

• False

• Only in the fall

A virus is a ___________ particle that can attack cells.

• large

• DNA

• sub-microscopic

• medium