Viruses, Bacteria, Protists and Fungi Test

Viruses are living and cannot reproduce on their own.

• True

• False

Viruses lack most of the characteristics of living things.

• True

• False

The average virus is quite large when compared with cells.

• True

• False

Viruses can

• All of the above

• Treat diseases

• Cause diseases

• Help to prevent diseases

Vaccines help the body produce chemicals that can

• Destroy viruses

• Cause viruses

• None of the above

• Change viruses

A virus is a tiny particle that enters and then reproduces inside a living cell.

• True

• False

The organism that a virus enters and multiplies inside of is called a

• Protozoan

• Pathogen

• Host

• Parasite

____ is an organism that lives in or on a host and causes it harm.

• Protozoan

• Parasite

• Fungus

• Host

A ______ is a substance introduced in the body to help produce chemicals that destroy specific viruses.

• Vaccine

• Protist

• Protozoan

• Ciliate

Protists are eukaryotes that can be classified as animals, plants or fungi.

• True

• False