WorksheetsCharacteristics of Life & Viruses
Total questions: 24
Worksheet time: 14mins
Name
Class
Date
1.
All members of which biological group require a host cell to reproduce?
a)
Protista
b)
Bacterium
c)
Fung
d)
Virus
2.
Alec studied an unknown microscopic organism and recorded this information:
-it contains RNA
-it has a cell wall, but no nucleus
What is Alec most likely studying?
-it contains RNA
-it has a cell wall, but no nucleus
What is Alec most likely studying?
a)
Protista
b)
Bacterium
c)
Fungi
d)
Virus
3.
After learning about viruses in Biology class, Sam decides to have his cat vaccinated against feline leukemia virus.
According to cell theory, are viruses, such as feline leukemia, considered living things?
According to cell theory, are viruses, such as feline leukemia, considered living things?
a)
Yes, because they can reproduce
b)
Yes, because they are composed of cells
c)
No, because they cannot adapt to their environment
d)
No, because they are not composed of cells.
4.
What type of cell does not have a nucleus or membrane-bound organelles?
a)
Animal Cells
b)
Plant Cells
c)
Bacterial Cells
d)
All of the Abov
5.
Which of these is the result of the lysogenic cycle?
a)
hijacked and controlled to benefit the virus
b)
limited on it’s ability to undergo cytokinesis
c)
destroyed by a virus
d)
making antibodies to fight off an infection
6.
Which means will an organism that is produced by two parents refer to as it’s type of reproduction?
a)
Sporulati
b)
Binary Fissio
c)
Sexual
d)
Asexual
7.
Which of the following is NOT a normal shape of a virus?
a)
Enveloped
b)
Helical
c)
Polyhedral
d)
Hexagonal
8.
The lytic cyle refers to when a cell is...
a)
hijacked and controlled to benefit the virus
b)
limited on it’s ability to undergo cytokinesis
c)
destroyed by a virus
d)
making antibodies to fight off an infection
9.
What are the characteristics of eukaryotic cells?
a)
Nuclues
b)
DNA
c)
Membrane-bound Organelles
d)
All of the above
10.
Viruses are intracellular obligate parasites, which means that they cannot reproduce or express their genes without…
a)
Enzymes
b)
A Host Cell
c)
Another Virus
d)
A Cell Wal
11.
Which of the following supports the claim that viruses are not alive?
a)
Viruses do not grow
b)
Viruses do not have DNA/RNA
c)
Viruses are able to move freely
d)
Viruses divide by binary fission
12.
Which of the following is NOT a component of a virus?
a)
Sheath
b)
DNA/RNA
c)
Nucleus
d)
Capsi
13.
Which of the following is NOT a characteristic of all living things
a)
Growth & Development
b)
Ability to Reproduce
c)
Ability to Move
d)
Response to the Environmnet
14.
The protein coat that envelopes the viral genetic material is known as a __________.
a)
Viron
b)
Case
c)
Viroid
d)
Capsid
15.
The change of a population over a period of time refers to…
a)
Evolutio
b)
Adaptation
c)
Population Genetic
d)
Ecology
16.
Viruses are NOT considered to be living organisms because they are NOT made of…
a)
Protein
b)
Cells
c)
Nucleic Acids
d)
None of the abov
17.
What is a virus that infects a bacterium called?
a)
Virophage
b)
Bacteriophage
c)
T Cell
d)
B C
18.
The self-adjusting balance of life functions, such as maintaining temperature, are referred to as….
a)
Adaptati
b)
Homeostasis
c)
Metabolism
d)
None of the ab
19.
Anything in the environment that causes an organism to respond is called a …
a)
Response
b)
Stimulus
c)
Organic
d)
All of the aboe
20.
What is the name of an organism that can produce their own food?
a)
Autotroph
b)
Omnivore
c)
Carnivore
d)
Heterotroph
21.
The chemical processes that are involved with the building up and breaking down of food to get and release energy are called
a)
Reproduction
b)
Genetic
c)
Homeostasis
d)
Metabolism
22.
Which is NOT necessarily a distinct property of living things?
a)
Metabolism
b)
Homeostasis
c)
Complexit
d)
Reproductio
23.
Which of the following is a means by which heterotrophs can obtain energy?
a)
using water and carbon dioxide to produce energy-rich compounds
b)
using water, carbon dioxide, and energy from the sun to produce sugars
c)
consuming other organisms
24.
Homeostasis means
a)
Change over long periods of time
b)
keeping things the sam
c)
The same thing as evolution
d)
Rapid change
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