Name: __________________________________
Marks:
SBI3U – Diversity of Living Things Unit Test
Section A: MULTIPLE CHOICE [15 marks]
1. Which of the following is not a kingdom?
a.
Eubacteria
b.
Protista
c.
Viruses
2. What are bacteriophages?
a.
bacteria that attack viruses
b.
viruses that attack bacteria
Common Name
red squirrel
short-tail weasel
groundhog
mink
river otter
fisher
muskrat
black-footed ferret
Scientific Name
Tamiasciurus hudsonicus
Mustela erminea
Marmota monax
Mustela vison
Lutra Canadensis
Martes pennanti
Ondatra zibethica
Mustela nigripes
d.
e.
Plantae
Fungi
d.
e.
viruses that attack humans
bacteria that infect humans
Family
Sciuridae
Mustelidae
Sciuridae
Mustelidae
Mustelidae
Mustelidae
Cricetidae
Mustelidae
3. Based on the information in the table above, which of the two animals are the most closely
related?
a.
red squirrel and groundhog
d.
mink and shorttail weasel
b.
short-tail weasel and river otter
e.
fisher and black-footed ferret
c.
river otter and fisher
4. Based on the information in the table above, which of the animals are not closely related to any
others on the list?
a.
black-footed ferret
d.
fisher
b.
red squirrel
e.
muskrat
c.
groundhog
5. Based on the information in the table above, which of the animals are the most closely related to
the red squirrel?
a.
Black-footed ferret
d.
River otter
b.
Muskrat
e.
Groundhog
c.
Fisher
6. Which of the following represents the correct order of viral replication?
a.
synthesis, assembly, release, attachment
b.
assembly, lysis, attachment, replication
c.
release, attachment, synthesis, assembly
d.
attachment, replication, lysis, assembly
7. Which of the following statements concerning viruses and human health is false?
a.
In many diseases caused by viruses, the virus attacks cells as it reproduces.
b.
Most viral infections are difficult to treat but they can be finally destroyed by antibiotics.
c.
Some viruses can remain dormant in the body for years before disease symptoms appear.
d.
Some viruses can be used to kill harmful bacteria.
e.
Many viral diseases can be prevented through vaccinations.
8. Which of the following is not a characteristic of bacterial cells?
a.
they are prokaryotic and single celled
b.
contain no membrane-bound organelles
c.
can swap genes with other bacterial cells
d.
are never pathogens
e.
reproduce asexually
9. What kinds of information can you read from the name of a bacteria? For example,
staphylococcus?
a.
Shape and living arrangement
b.
Diet and cellular structure
c.
Shape and what disease it causes
d.
Whether or not it is unicellular and if it has nuclei
10. Which of the following is not a characteristic of a member of the kingdom bacteria?
a.
do not have membrane-bound organelles
b.
are probably the oldest form of life on Earth
c.
are microscopic and unicellular
d.
are classified as eukaryotes
11. The correct way to write the scientific name of a wolf is:
a.
Canis lupus
c.
Canis lupus
b.
Canis Lupus
d.
Canis Lupus
12. Bacteria are vital to other organisms and to the proper functioning of ecosystems through their
role as which of the following?
a.
Providing plants with nutrients
d.
A and B
b.
Killing viruses
e.
A and C
c.
Breaking down food for animals
13. Suppose a parasitic relationship exists between two organisms. This would mean which of the
following?
a.
Both organisms are harmed.
b.
Both organisms benefit.
c.
One organism benefits and the other is harmed.
d.
One organism benefits and the other is unharmed.
e.
none of the above
14. Which of the following is not a characteristic of an organism in the animal kingdom?
a.
multicellular
d. are studied by zoologists
b.
eukaryotic
e. are autotrophic
c.
no cell wall
15. What are genes made of?
a.
Sugar
b.
DNA
c. Fats
e. Proteins
Section B: TRUE OR FALSE [5 marks]
1
2
3
4
5
Viruses are not represented in the six-kingdom system because they
have cells
Viruses can be killed by antibiotics
Bacterial cell walls are made of cellulose
The cell of an archaebacteria does not have a nucleus
Viruses can have either DNA or RNA as its genes
Section C: MATCHING [5 marks]
A
Homeostasis
B
Development
C
Capsid
D
Taxonomy
E
Catabolism
F
Heterotroph
Organisms that eat other
organisms to get energy
Achieving a balance of conditions
in the body
The system of classifying
organisms
A change in an organism’s physical
shape or body plan
Reactions that break down
molecules into smaller chemicals
The protein shell that protects
genes in viruses
Section D: SHORT ANSWER
1. Luke and Sebastien were able to identify an organism to differing levels of classification. Luke was
able to identify the organism to the level of "class". Sebastien was able to identify the organism to
the level of "order". Which student has been able to classify the organism more precisely? Explain.
[2 marks]
2. Complete the following chart: [5 marks]
Bacteria
Type of cell?
What parts are they
made of?
Virus
How can they be
helpful?
How can they be
harmful?
Example
4. Why would some people say that viruses are living, and some say that they are not? [2 marks]
6. What is antibiotic resistance? How does it develop? [3 marks]
7. Mitochondria are the “power plants” of cells. Scientists found that mitochondria contain DNA that is
very different from the DNA of the cell. What is a proposed explanation of this difference? [3 marks]
8. Explain what is meant by “externalizing the costs of production”. [5 marks]
9.