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Viruses

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

What are viruses made of?

a)

nucleic acid and protein coat

b)

nucleic acids only

c)

protein only

d)

proteins and lipids

2.

Which nucleic acids do viruses contain?

a)

DNA only

b)

RNA only

c)

DNA and RNA together

d)

DNA or RNA

3.

What is the name for viruses infecting bacteria?

a)

Bacteriophage

b)

Bacterius finishus

c)

Bacterius infectus

d)

Corona virus

4.

Which diseases are caused by viruses? Choose all of them.

a)

tuberculosis

b)

rabies

c)

Herpes

d)

Polio

e)

Cholera

5.

What does a vaccine work?

a)

kills the pathogen

b)

gives extra energy to the body

c)

prepares the body for the pathogen

d)

contains poisons for the pathogen

6.

What is virus capsid made of?

a)

protein

b)

nucleic acid

c)

carbohydrates only

d)

lipids only

7.

Which characteristic of living things do viruses have?

a)

crystallisation

b)

spherical shape

c)

movement

d)

reproduction

e)

parasitism

8.

What comes before and after synthesis in lytic cycle of virus reproduction?

a)

penetration - release

b)

adsorption - penetrations

c)

penetration - assembly

d)

assembly - release

9.

Which 2 are characteristics of viruses?

a)

smaller than bacteria

b)

flagella for movement

c)

can crystallize

d)

always polyhedron shape

10.

Viruses copy themselves by lytic and lysogenic cycles. Which event is special for lysogenic cycle?

a)

Penetration of viral DNA into host cell

b)

Synthesizing host DNA

c)

Incorporation of virus DNA into host DNA

d)

Adsorption of virus to host cell