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1.2 Domains Bacteria and Archaea

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

Which of the following is one of the 3 domains?

a)

Animals

b)

Bacteria

c)

Prokaryote

d)

Fungi

2.

Are archaea multicellular or unicellular?

a)

Multicellular

b)

Unicellular

3.

Are bacteria prokaryotes or eukaryotes?

a)

Prokaryotes

b)

Eukaryotes

4.

The most common mode of reproduction in bacteria is

a)

binary fission

b)

transformation

c)

transduction

d)

conjugation

5.

Rod-shaped bacteria are called

a)

bacilli

b)

diplococci

c)

vibrio

d)

spiral

6.

The importance of bacteria include

a)

recycling of chemical elements in ecosystem

b)

symbiotic

c)

pathogenic

d)

in research and technology

7.

Sulfolobus sp. is an organism under Domain

a)

Bacteria

b)

Archaea

c)

Protista

d)

Fungi

8.

The two domain of prokaryotes are:

a)

Bacteria

b)

Archaea

c)

Eukarya

d)

Protista

9.

Bacteria as decomposer is related to importance of bacteria which is;

a)

recycling of chemical elements in ecosystem

b)

symbiotic

c)

pathogenic

d)

in research and technology

10.

Bacteria plays role in nitrogen fixation is related to importance of bacteria which is;

a)

recycling of chemical elements in ecosystem

b)

symbiotic

c)

pathogenic

d)

in research and technology

11.

E. coli in human intestine is related to importance of bacteria which is;

a)

recycling of chemical elements in ecosystem

b)

symbiotic

c)

pathogenic

d)

in research and technology

12.
Bacteria are prokaryotes.
a)
True
b)
False
13.

All answers listed below are true about bacteria except

a)

all are prokaryotes

b)

all are harmful

c)

all are unicellular

d)

they do not have nucleus

14.

Which domain has DNA with no histone proteins?

a)

Bacteria

b)

Archaea

c)

Eukarya

15.

State the types of bacterial shapes shown above

a)

coccus

b)

coccoon

c)

bacillus

d)

rod

16.
What is Salmonella? 
a)
Salmonella is a common bacterial disease that infects the intestinal tract.
b)
Salmonella is a the bacterium's natural habitat is brackish or saltwater
c)
Salmonella is an acute, diarrheal illness caused by infection of the intestine with the bacterium Vibrio cholerae
17.

What converts nitrogen gas into a usable form for plants and animals?

a)

bacteria

b)

rain

c)

fungi

d)

car exhaust

18.

What material is found in most bacterial cell walls?

a)

Cellulose

b)

Chitin

c)

Peptidoglycan

d)

Amylose

19.

This bacteria is very likely to be called

a)

Escherichia coli

b)

Salmonella sp.

c)

Staphylococcus aureus

d)

Streptococcus sp.

20.

Who converts N2 gas into a usable form ammonium (NH4+)?

a)

Nitrifying bacteria

b)

Denitrifying bacteria

c)

Decomposers

d)

Plants