SBI3U1
UNIT TEST
BIODIVERSITY
Name:
Part I: Multiple Choice (1 MARK EACH)
1. Which of the following is a fundamental characteristic of all organisms?
a) ability to respond to stimuli
b) ability to photosynthesize
c) multiple-cell construction
d) genetic inheritance
2. The most similarity in physical appearance occurs in organisms belonging to the
same
a) Class
b) Phylum
c) Genus
d) Kingdom
3. A phototroph is an organism that:
a) eats other animals
b) eats plants
c) produces its own food from light
d) produces its own energy from chemicals
4. An ability to recover and return the organism to a standard level is called:
a) homeostasis
b) a stimulus
c) an adaptation
d) metabolism
5. Genetic material is passed from one bacteria to another a small package called
the:
a) nucleus
b) plasmid
c) cilia
d) pilus
6. Which of the following would be the correct scientific name of human beings?
a) Homo-sapiens
b) Homo Sapiens
c) Homo sapiens
d) Homo-sapiens
7. Although biologists usually use appearance as the first clue in separating species
from each other, the ultimate test in most cases is that different species
a) Do not develop into the same structural organisms at maturity
b) occupy habitats in different geographical ranges
c) fail to interbreed and produce fertile offspring
d) have different behaviour patterns
8. Viruses infect all of the following organisms, except:
a) porifera
b) fungi
c) prions
d) archeabacteria
9. The primary reason for the ability of the common cold to keep infecting us is its
a) strong Gram positive wall
b) high mutation rate
c) high reproduction rate
d) ability to complete conjugation
10. Viruses that reproduce by inserting their DNA into the host cell DNA by
recombination are called
a) anaerobic
b) lysogenic
c) lytic
d) antibiotic
11. The relationship between a virus and its host is called
a) commensalism
b) advantagism
c) lytic
d) parasitism
12. If you looked at a Slinky ® walking down the stairs, it kind of resembles the
bacteria…
a) staphlyobaccilli
b) streptococci
c) monospirilli
d) streptovibria
13. If an organism is prokaryotic, unicellular, and heterotrophic it is likely a…
a) fungus
b) plant
c) bacteria
d) protist
14. If an organism is eukaryotic, multi-cellular, and heterotrophic it is likely a…
a) bacteria
b) plant
c) fungus
d) protist
15. If a bacteria goes through 4 consecutive cycles of binary fission, the total number
of cells will be…
a) 32
b) 8
c) 6
d) 16
16. Fungus reproduce by….
a) binary fission
b) sexual reproduction
c) asexual reproduction
d) two of the above are true
17. The Kingdom Protista contains
a) mushrooms and molds
b) eubacteria and archaebacteria
c) amoebas and algae
d) mosses and lichens
18. A bacteria that must live in the presence of oxygen is called a(n)
a) facultative aerobe
b) obligate anaerobe
c) facultative anaerobe
d) obligate aerobe
19. In the taxonomic hierarchy, Families are grouped into a larger category called
a) Class
b) Order
c) Kingdom
d) Phylum
20. The HIV virus attacks
a) the whole body
b) skin cells
c) blood cells
d) brain cells
21. Which is the oldest Kingdom?
a) Eubacteria
b) Plantae
c) Archaebacteria
d) Protista
22. What is the size of most bacteria?
a) 0.01 to 0.1m
b) 0.1 to 1m
c) 1 to 10 nm
d) 10 to 100m
23. Which of the following distinguishes mammals from birds?
a) live birth of offspring
b) warm blooded
c) ability to fly
d) closed circulatory system
24. How many Orders are there in the Phylum Chordata?
a) 4
b) 5
c) 6
d) 7
Use the following graphs to answer questions 25 to 28
25. What species of bacteria above is a CHEMOTROPHIC OBLIGATE
ANAEROBE?
a) 1
b) 2
c) 3
d) 4
26. What species of bacteria above is an OBLIGATE AEROBE?
a) 1
b) 2
c) 3
d) 4
27. What species of bacteria above is a CHEMOTROPHIC FACULTATIVE
AEROBE?
a) 1
b) 2
c) 3
d) 4
28. What species of bacteria above is a PHOTOTROPH?
a) 1
b) 2
c) 3
d) 4
29. While sharing some Tic-Tacs ® with a friend in the car, you accidentally spill a
bunch on the seat that form a big cluster in the spot between you. Being a keen
biology student, you think to yourself that these most closely resemble the
bacteria….
a) staphlyobaccilli
b) streptococci
c) monospirilli
d) streptospirilli
30. A bacteriophage that invades a bacterium and immediately attacks the DNA of the
cell is called
a) an archaebacteriophage
b) a lytic bacteriophage
c) a lysogenic bacteriophage
d) a commensalistic bacteriophage
31. A purple colony of bacteria when Gram Staining assures that
a) the bacteria move via cilia
b) the bacteria seep endotoxins
c) the bacteria have thick cell walls
d) the bacteria have thin cell walls
32. Who should you definitely NOT invite over for dinner?
a) Lindsay Lohan (She won’t eat anything)
b) King Phillip
c) Mr. Ruf
d) Long winded Auntie Flo.
Part II : Mix ‘N’ Match (1 MARK EACH)
During our unit, we encountered several organisms from many different phyla and
classes. Match the names of the phyla/class with the examples of organisms provided.
The scientific name or the common name of the organism may be listed.
**PLACE THE CORRECT LETTER OF THE EXAMPLE BESIDE ITS**
**PHYLUM/CLASS ON THE LEFT**
Phylum/Class
Example Organisms
33. Echinodermata ( )
A. Octopus vulgaris
34. Insecta (
)
B. Stove pipe sponge
35. Porifera (
)
C. Haliaeetus leucocephalus
36. Mammalia ( )
D. Slate-pencil urchin
37. Mollusca ( )
E. Gersemia rubiformis
38. Bronchioplantes (
)
F. Class: Oligochaeta
39. Platyhelminthes (
)
G. Mexican axolotl
40. Arachnida ( )
H. Carcharodon carcharias
41. Aves (
)
I. Dermochelys coriacea
42. Amphibian ( )
J. Tapeworm
43. Chondrichthyes (
)
K. Musca domestica
44. Crustacea ( )
L. Cheetah
45. Cnidaria ( )
M. You made that up Mr. Shanks!
46. Annelida ( )
N. Dermatophagoides pteronyssinus
47. Reptilia ( )
O. Japanese spider crab
During our study we took a closer look at animals that possess a spinal cord. Match the
characteristics listed with Mammals, Birds, Reptiles, Amphibians, or Fish with the letters
M, B, R, A, or F, respectively. Each letter is used TWICE
48. ________ Spends early part of life in water
49.
Eggs are fertilized externally
50.
Bones are hollow
51.
Have specialized teeth for a greater range in diet
52.
Some have bony plates that form a shell
53.
The only Order that has feathers
54.
Body is covered in hair
55.
Some swim, most walk
56.
Move by swimming, walking or hopping at different stages
57.
Have cartilaginous skeletons
PART III: SHORT ANSWER (1 MARK EACH)
58. The largest diversity of animals can be found in the class ________________
59. The two ways that a bacteria can react to poor conditions are….
_______________________________ and ___________________________
60. Of the other five Kingdoms, Animals are most closely related to________________
61. For an organism to be ‘alive’ it must be able to change from an earlier form to a
mature different form. This is referred to as…
_____________________
62. The maintenance of a stable internal environment is a fundamental characteristic of
living things. This is called ______________________________
63. Cellulose will be found on the outer covering of cells in the Kingdom
_________________ .
64. An example of a lytic DNA virus is ____________________________.
65. Endotoxins may be released by GRAM ___________________ bacteria.
66. 3 structures you would find inside a bacterial cell are….
67. Draw a Bacteriophage (1 Mark)
Note: ‘Cool’ cartoon versions are especially appreciated.
Part IV: RESPONSE (MARKS INDICATED)
**ANSWER THESE QUESTIONS ON THE LINED PAPER PROVIDED**
68. As a well recognized microbiologist, you have been invited to speak at a conference
about the value of creating a 7th Kingdom: Virusea. Decide if you believe that viruses
should be considered ‘Alive’ or not, and make point form notes defending your side
in the argument. (6 MARKS)
69. It seems that in a general sense, the people of wealthy nations stay healthy while the
people of poor nations are more terribly affected by sicknesses. Corporations
have made large profits treating these illnesses, but have opted not to help struggling
nations at a cost they can afford in lieu of the profit margin and maintaining reputable
business partners in North America. Decide if you think drug companies should be
morally obligated to help poorer nations with their treatment or should be treated the
same as all other business organizations and should not be financially punished for
running a successful business. Write a short response arguing one way or the other.
(6 MARKS)
TOTAL
Part I: Multiple Choice
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