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Viruses and Prokaryotes practice

Total questions: 22

Worksheet time: 15mins

Name
Class
Date
1.

A virus consists of:

a)

RNA or DNA and a cell membrane

b)

RNA or DNA and a protein coat

c)

RNA and DNA and a protein coat

d)

proteins, cell membrane, and RNA

2.

What happens after the virus has been taken up by the cell?

a)

it begins making protein

b)

it divides, or replicates

c)

it inserts into the host DNA

d)

it switches to infectious mode

3.

What is the outside protective coating of a virus made of?

a)

lipids

b)

carbohydrates

c)

protein

d)

carbon

4.

True or False: Most viruses are so small that they can't be seen with with the unaided eye (basically saying we can't see them unless we have a microscope)

a)

True

b)

False

5.

What happens in the lytic cycle?

a)

the spacecraft shaped virus attaches to the host cell then leaves

b)

the spacecraft virus kills the host cell

c)

the spacecraft shaped virus attaches to the host cells and as it leaves it kills the host cell

d)

the spacecraft virus attaches to the host cell injects DNA as the virus leaves it kills the host cell

6.

What happens in the lysogenic cycle?

a)

A virus injects DNA into a host cell

b)

Bacteria injects genetic material into a host cell

c)

Bacteria injects DNA into a host cell

d)

A virus injects its genetic material into a host cell

7.

Why do viruses need a host cell?

a)

because they aren't living

b)

because they need to reproduce

c)

because they can't live without a host cell

8.

What is the outside, protein coat on a virus called?

a)

genetic material

b)

capsid

c)

envelope

d)

tail fibers

9.

What does the term 'obligate intracellular parasite' mean?

a)

does not need a host to survive

b)

needs a host to survive

10.
Bacteria are prokaryotes.
a)
True
b)
False
11.
All bacteria are harmful to humans
a)
True
b)
False
12.
Bacteria are considered non-living.
a)
True
b)
False
13.
Which of the following is found inside a prokaryote?
a)
cytoplasm
b)
DNA
c)
ribosomes
d)
all of these
14.

Prokaryotes are the _________ of all the cells.

a)

most complext

b)

raddest

c)

prettiest

d)

simplest

15.

What are the two types of cells?

a)

Prokaryotic & Eukaryotic

b)

Bacteria & Eukaryotic

c)

Eukaryotic

d)

Animal & Plant

16.

Which of the following is not under the Cell Theory?

a)

Cells are the basic unit of life

b)

All organisms are made up of cells

c)

Cells came from other cells

d)

A cell is an indestructible particle

17.

Which of the following does a plant cell ONLY have?

a)

Vacuole

b)

Chloroplast

c)

Centrosome

d)

Nucleus

18.
What type of cell has a nucleus? 
a)
eukaryotic
b)
prokaryotic 
19.

Plant and animal cells are examples of

a)

prokaryotic cells

b)

eukaryotic cells

20.

Organelles are found in

a)

prokaryotic cells.

b)

eukaryotic cells.

c)

both

21.

A cytoplasm is found in

a)

prokaryotic cells.

b)

eukaryotic cells.

22.

Which cell type tends to be smaller?

a)

Prokaryote

b)

Eukaryote

c)

there is not a size difference