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Worksheets

Andrew Yemane

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is a virus?

a)

Nick's hands

b)

A virus is a strand of DNA or RNA

surrounded by a layer of protein that can infect

and replicate in a host cell.

c)

is a protein that can attach to a pathogen and

make it useless.

d)

A scientific calculation solved by Albert enstein.

2.

Are virus's living things?!

a)

no

b)

Yes indeed.

3.

Can virus's travel through the lungs?

a)

Yes

b)

no

c)

maybe so

4.

Can virus's duplicate themselves?

a)

yes

b)

no

c)

maybe

5.

What does decomposition mean???????

a)

skibilidibilidopdopdopdopdopyesyesyesyeysbibilidib

b)

the breaking down of dead organisms and organic waste,

c)

The use of organisms, such as bacteria, to

clean up environmental pollution

d)

A virus containing a virus.

6.

what is bioremediation?

a)

The use of organisms, such as bacteria, to

clean up the environmental pollution

b)

yes

c)

agents that cause disease.

7.

what are pathogens

a)

nothing

b)

A bacteria wall

c)

agents that cause disease.

d)

A wall built with different type of viruses.

8.

What is nitrogen fixation?

a)

Two cells coming together

b)

The destruction of 1 or more cell

c)

is the conversion of atmospheric nitrogen into nitrogen compounds

9.

What is an antibody?

a)

An extremely contagious disease

b)

A protein that can attach to a pathogen and

make it useless.

c)

A certain type of protein that you can attach to major virus's in your body

10.

what is conjugation?

a)

two bacteria of the same species attach to each other

and combine their genetic material.

b)

is cell

division that forms two genetically identical cells.