Biology 2201 Test: Unit II – Classification and Plants
Name: ________________________
PART A: Multiple Choice
1. A scientist has a small sample of DNA from a fish that she believes is cod and has
been illegally caught. How would she analyse the DNA sample?
a.
b.
c.
d.
e.
run the DNA sample using gel electrophoresis
amplify the DNA using polymerase chain reaction
compare the DNA sequence to the sequence of the codfish
all of the above
none of the above
2. The wolf has the scientific name Canis lupis. What is the classification category of
“Canis”?
a.
b.
c.
d.
family
class
genus
species
3. This biologist is considered to be the father of taxonomy.
a.
b.
c.
d.
Aristotle
Linneaus
Darwin
Crick
4. This is the evolutionary history of a species.
a.
b.
c.
d.
phylogeny
cytology
taxonomy
all of the above
Questions 5-6 are based on the following table
House Cat
Animalia
Chordata
Mammalia
Carvivora
Felicidae
Felis
Domesticus
Dog
Animalia
Chordata
Mammalia
Carnivora
Canidae
Canis
familiaris
Human
Animalia
Chordata
Mammalia
Primates
Hominidae
Homo
sapiens
Grasshopper
Animalia
Arthropoda
Insecta
Orthoptera
Locustidae
Schistocerca
americana
5. Based on the above table, which two organisms have the most common features?
a.
b.
c.
d.
house cat and human
grasshopper and dog
human and dog
house cat and dog
6. In the above table, what is the furthest level of taxonomy shared by any two
organisms?
a.
b.
c.
d.
kingdom
phylum
class
order
7. Biologists discover a new organism. Upon viewing the organism, they discover it is
unicellular, with a nucleus and a cell wall. To which kingdom does this new creature
belong?
(a) animalia
(b) monera
(c) plantae
(d) protista
8. E. coli is a bacteria and belongs to the kingdom Monera. What can be inferred about
E. coli based on this classification?
a.
b.
c.
d.
E. coli is not harmful to humans
E. coli has membrane bound organelles
E. coli has a nucleus
E. coli has no nucleus
9. Which of the following is a difference between bacteria and archaea?
a. Archaea are unicellular, and bacteria are colonial.
b. They have different chemicals in their cell membranes and cell walls.
c. Bacteria are autotrophic, and archaea are heterotrophic.
d. They look very different under a microscope.
10. Which of the following is NOT an example of a protist?
a.
b.
c.
d.
dinoflagellate
euglena
halophile
diatom
11. Bacteria that live around deep-sea, hot-water vents obtain energy by
oxidizing inorganic hydrogen sulfide belched out by the vents. They use this
energy to build organic molecules from carbon obtained from the carbon dioxide
in the seawater. These bacteria might be described as
a. photoheterotrophs.
b. chemoautotrophs.
c. photoautotrophs.
d. chemoheterotrophs.
12. Which pair of plants are restricted to wet environments for sexual reproduction?
a.
b.
c.
d.
angiosperms and gymnosperms
ferns and gymnosperms
ferns and mosses
mosses and angiosperms
13. A botanist discovers a new species of plant in the tropical rain forest. After observing
its anatomy and life cycle, the following characteristics are noted: xylem and phloem,
separate gametophyte and sporophyte generations, and no seeds. To what
classification is this plant most closely related?
a.
b.
c.
d.
conifers
ferns
flowering plants
mosses
14. Which category would the bean plant fall?
a.
b.
c.
d.
angiosperm
bryophyte
conifer
gymnosperm
15. What is the evolutionary sequence of plants from the most simple to the most
complex?
a.
b.
c.
d.
angiosperms, ferns, gymnosperms, mosses
ferns, mosses, angiosperms, gymnosperms
gymnosperms, angiosperms, mosses and ferns
mosses, ferns, gymnosperms, angiosperms
16. What evolutionary trend is associated with higher plants?
a.
b.
c.
d.
sperm in reproduction usually swims in water to the egg.
Spores are the most common method of reproduction
The gametophyte generation is dominant
There is a decrease in the dependency on water for reproduction
17. Which of the following transports water ands minerals up the stem of the plant to the
leaves?
a.
b.
c.
d.
rhizoids
xylem
phloem
bryophytes
18. This is a seed leaf and is important in nourishment for the embryo and germination.
a.
b.
c.
d.
monocot
cotyledon
dicot
spores
19. Which plant listed below could be classified as a bryophyte?
a.
b.
c.
d.
lichen
moss
fern
club moss
20. Members of the genus Selanginella are vascular plants that reproduce by the way of
spores in the dominant generation. To what group would these be classified?
a.
b.
c.
d.
bryophytes
angiosperms
algae
fern and fern allies
21. Which of the following would not be used as characteristics to identify different plant
groups?
a.
b.
c.
d.
presence of vascular tissue
reproduction by seeds
reproduction by spores
presence of chlorophyll
22. The seed of a gymnosperm lacks which of the following?
a. seed coat
b. embryo
c. fruit
d. food supply
23. In the life cycle of a gymnosperm, which is the correct series of events:
a. fertilization, pollination, young sporophyte, seeds released from cone
b. pollination, fertilization, seeds released from cone, young sporophyte
c. seeds released from cone, fertilization, young sporophyte, pollination
d. seeds released from cone, pollination, young sporophyte, fertilization
24. The cells from the sporophyte generation are:
a. monoploid spores
b. diploid spores
c. triploid spores
d. polyploid spores
25. Which is true of conifers but not of ferns?
A. They have vascular tissue.
B. The embryo is protected by a seed.
C. They carry on photosynthesis.
D. The leaves have a waxy layer of cutin.
ANSWER SHEET
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PART B: Short Answer Questions (25 marks total)
1. Scientists now use a wide variety of information to classify organisms. Outline any
four (4) of these types of information by a using a description and providing an
example to illustrate. You may use a table (8 marks)
2. Some people believe that it is possible that the Beothuck Indians may have
amalgamated into the European population that settled in Newfoundland. How would
you prove or disprove this claim? (2 marks)
3. Scientists recently moved from using a five kingdom system of classification to a six
kingdom system of classification. What recent advancements allowed scientists to
discover more about classification to make this change? (2 marks)
4. Why it is important to classify organisms. (1 mark)
5. Explain why seeds can be referred to as “plants in storage” while spores can not. (2
marks)
6. Compare/contrast the adaptations for life on land between bryophytes and
tracheophytes. (6 marks)
7. Give four (4) reasons to explain why angiosperms are the most dominant and diverse
plant form on earth. (4 marks)