WorksheetsBacteria and Viruses
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
An organism whose cells lack a nucleus
a)
spirillum
b)
obligate aerobe
c)
prokaryote
d)
chemoheterotroph
2.
Rod shaped prokaryote
a)
coccus
b)
prokaryote
c)
spirillum
d)
bacillus
3.
Spherical prokaryote
a)
coccus
b)
bacillus
c)
endospore
d)
chemoautotroph
4.
Spiral or corkscrew-shaped prokaryote
a)
coccus
b)
bacillus
c)
spirillum
d)
prokaryote
5.
An organism that must take in organic molecules for both energy and carbon
a)
chemoheterotroph
b)
chemoautotroph
c)
photoheterotroph
d)
photoautotroph
6.
An organism that is photosynthetic but needs organic compounds as a carbon source
a)
chemoheterotroph
b)
chemoautotroph
c)
photoautotroph
d)
photoheterotroph
7.
An organism that uses energy from sunlight to convert carbon dioxide and water to carbon compounds
a)
photoautotroph
b)
chemoautotroph
c)
chemoheterotroph
d)
photoheterotroph
8.
An organism that makes organic carbon molecules from carbon dioxide using energy from chemical reactions
a)
photoautotroph
b)
chemophototroph
c)
chemoautotroph
d)
chemoheterotroph
9.
An organism that requires a constant supply of oxygen in order to live
a)
obligate aerobe
b)
falcultative anaerobe
c)
obligate anaerobe
d)
anaerobe
10.
An organism that does not require oxygen in order to live
a)
obligate anaerobe
b)
facultative anaerobe
c)
endospore
d)
obligate aerobe
11.
An organism that can survive with or without oxygen
a)
anaerobe
b)
aerobe
c)
obligate anaerobe
d)
facultative anaerobe
12.
A type of asexual reproduction in which an organism replicates its DNA and divides in half, producing two identical daughter cells
a)
conjugation
b)
binary fission
c)
endospore
d)
nitrogen fixation
13.
A form of sexual reproduction in which paramecia and some prokaryotes exchange genetic information
a)
nitrogen fixation
b)
conjugation
c)
endospore
d)
binary fission
14.
A type of spore formed when a bacterium produces a thick internal wall that encloses its DNA and a portion of its cytoplasm
a)
conjugation
b)
prokaryote
c)
facultative anaerobe
d)
endospore
15.
A process of converting nitrogen gas into ammonia
a)
nitrogen change
b)
nitrogen fixation
c)
fixation
d)
nitrogen concentration
100 %
