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WorksheetsBacteria & Viruses
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
Who discovered bacteria in the 1600's?
a)
James Watson
b)
Anton van Leeuwenhoek
c)
Thomas Hooke
d)
Thomas Edison
2.
If a bacteria is called coccus, its shape is:
a)
Spiral
b)
Oval
c)
Round
d)
Prokaryote
3.
An organism that has genetic material not contained in a nucleus is called a:
a)
prokaryote
b)
eukaryote
c)
protist
d)
Virus
4.
Some bacteria are __ - other feeders that feed on other organisms for the food they need
a)
autotroph
b)
heterotroph
c)
otherotroph
5.
If a bacteria doesn't need oxygen for respiration it is called:
a)
aerobic
b)
condensation
c)
anaerobic
d)
anticondensation
6.
Typically bacteria reproduce by __ ; where once cell divides to form 2 identical cells.
a)
sexual reproduction
b)
conjugation
c)
binary fission
7.
Bacteria are involved in producing:
a)
Carbon Dioxide
b)
Phosphorous
c)
Oxygen
d)
Helium
8.
When a beverage is heated to a high temperature to kill harmful bacteria it is called
a)
Decomposing
b)
Recycling
c)
Pasteurization
d)
Homogenation
9.
Plants known as legumes are dependent upon which kind of bacteria for their nitrogen supply?
a)
Insulin making
b)
decomposing
c)
nitrogen fixing
d)
water separating
10.
These organisms are not living but have 'lifelike' qualities
a)
bacteria
b)
protists
c)
viruses
11.
The outer layer that protects a virus is called the
a)
Core
b)
Membrane
c)
Protein coat
d)
Cell wall
12.
For a virus to multiply it needs to enter a cell and have its ___ take over the cell functions
a)
Proteins
b)
Amino acids
c)
Genetic material
d)
Ribosomes
13.
Some viruses will 'hide' for a while before becoming active inside of the host. This is called a:
a)
Active virus
b)
Hidden Virus
c)
Obstructed Virus
d)
Killer Virus
14.
A substance that is introduced into the body to stimulate the production of chemicals that destroy specific viruses is called a:
a)
disease
b)
virus
c)
vaccine
d)
rabies
15.
The only common trait of protists is that they:
a)
are unicellular
b)
are autotrophs
c)
live in moist surroundings
d)
are heterotrophs
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