BIOLOGY SAMPLE EXAM
3
1. Which of the
following is not a monerian characteristic?
a. have a nuclear
envelope
b. have membrane
bound organelles
c. flagella mode of
a single strand of protein
d. usually very
small cells
e. two of these are
not monerian characteristics
2. This group of
bacteria nave cell walls that contain a large amount of peptidoglycans.
a. gram positive
b. gram negative
3. This group of
algae have cell walls that are composed of two overlapping halves that fit together like
pill boxes.
a. Chlorophyta d.
Dinoflagellata
b. Euglenophyta e.
Bacillariophyta
c. Phaeophyta
4. Some
Cyanobacteria fix nitrogen in cells call heterocysts. Which of the following is the BEST reason to explain the need for a heterocyst?
a. Heterocyst provide
the oxygen rich environment needed for nitrogen fixation.
b. Heterocyst are
photosynthetic, thus need large amounts of nitrogen.
c. Heterocyst carry
the fixed nitrogen into the environment as they decay.
d. Heterocyst
provide the oxygen free environment needed for nitrogen fixation.
e. Heterocyst do
all of the above.
5. Group of
monerians that contain chlorophyll ‘a’ and phycobillins.
a. purple sulfur
bacteria d.
Cyanobacteria
b. Rhodophyta
e. Phaeophyta
c.
chemoheterotrophs
6. Binomial
nomenclature is:
a. a type of taxonomy
in which a long Latin description is used to name each unique type of organism.
b. a type of taxonomy in which organisms
are grouped into taxa such as kingdom, division, class, order, etc.
c. a type of taxonomy in which a unique
combination of two words is used to name each unique type of organism.
d. a system that gives all organisms a
genus and specific epithet name.
e. both c and d.
7. A type of
nutrition in which the organisms produces its food from simple inorganic compounds usinf
energy from the oxidation of certain inorganic compounds.
a. chemoheterotrophs
d. photoautotrophs
b. chemoautotrophs
e. photoheterotrophs
c. heterotrophs
8. This group of fungi are characterized by
no
sexual phase in the
life cycle.
a. Deuteromycota
d. Oomycota
b. Ascomycota e. All of these have
c. Zygomycota
a
sexual phase
9. A
lichen with a branched appearance.
a. Crustose
d. Foliose
b. Fruticose
e. Two of these are
c. Ascocose
leaf-like.
10. A mutualistic association between fungi
and the roots of
vascular plants.
a. Mycorrhizae d.
Mushrooms
b. Lichens
e. Algae-like fungi
c. Slime molds
11. The scientist responsible for binomial
nomenclature is:
a. Theophrastus d. Galen
b. Linnaeus
e. Darwin
12. The study of the evolutionary history of a taxon;
a. classification d. phylogeny
b. phenetics
e. None is correct
c. systematics
13. The naming of a group of organisms is:
a. classification
d. taxonomy
b. systematics e. cladistics
c. phylogeny
14. Which of the following types of systematics attempts to
trace the evolutionary history through its taxonomy?
a. cladistics d. artificial systems
b. systematics
e. none is correct
c. phenetics
15. Which of the following would tend to have most taxa?
a. taxonomist
d. lumpers
b. groupers e. splitters
c. cladistics
16. Which of the following is correct?
a. kingdom, phylum,
order, class, family, genus, species
b. kingdom, class, order,
family, phylum, genus, species
c. phylum, kingdom,
order, class, family, genus, species
d. phylum, kingdom,
class, order, family, genus, species
e. kingdom, phylum,
class, order, family, genus, species
17. This kingdom contains organisms that are unicellular and
prokaryotic.
a. Monera d. Animalia
b. Plantae e. Protista
c. Fungi
18. This group of monerians is photosynthetic and contain
chlorophyll ‘a’.
a. methanogens
d. mycoplasma
b. thermoacidophiles e. cyanobacteria
c. strict halophiles
19. The prefix “staph” refers to:
a. single cells d. a
cluster of cells
b. two cells together e. a chain of cells
c. rod-like cells
20. The transfer of DNA from one bacteria to another by a
virus:
a. binary fission d. conjugation
b. transduction
e. mitosis
c. transformation
21. Fungal classification is primarily
based upon:
a. the type of asexual spore
produced
b. the type of nutrition
c. the type of sexual
reproduction
d. all are correct
e. none are correct
22. The total body of a fungus is the:
a. Hypha
d. Pseudoplasmodium
b. Stolons
e. Plasmodium
c. Mycelium
23. The Basidiomycota:
a. Produce
conidiospores.
b. Have hyphae without cross
walls.
c. Have no sexual stage.
d. Never produce large fruiting
structures.
e. None is correct
24. The life cycle of this fungal group is
dominated by the unicellular condition.
a. Zygomycota
b. Ascomycota
.
c. Basidiomycota
25. Hypha that are modified to penetrate living
cells so they can extract food.
a. Stolons
d. Haustoria
b. Rhizoids
e. None of
these
c. Mycelia
26. Fungi are composed of thread-like filaments
called:
a. Conidia
d. Asci
b. Hypha
e. None of these
c. Mycelia
27. This group of fungi produce sexual spores in a
sac-like multicellular reproductive structure.
a. Ascomycota
d. Basidiomycota
b. Deuteromycota e. Oomycota
c. Zygomycota
28. Which of the following fungal divisions
commonly produces asexual spores by an upright sporangiophore with a sac-like sporangium:
a. Zygomycota d.
Basidiomycota
b. Deuteromycota
e. Oomycota
c. Ascomycota
.
29. Mycorrhizia assist their symbiont through:
a. disease
resistance
b. photosynthesis
c. reproduction
d. respiration
e. None of these are
correct..
a. animals
d.
bacteria
b. other fungi
e. None
are correct
c. plants
31. This algal division is the probable ancestor
of the terrestrial plants.
a. Chlorophyta d.
Chrysophyta
b. Pyrrophyta
e. Phaeophyta
c. Rhodophyta
32. A type of sexual reproduction in which the
gametes are different in size and motility.
a. Oogamy
d. Conjugation
b. Heterogamy
e. Anisogamy
c. Isogamy
33. Algae that are mostly marine, multicellular
and favor cool coastal waters.
a. Phaeophyta d. Ascomycota
b. Zygomycota
e. Rhodophyta
c. Pyrrophyta
34. This group of microalgae have a cell wall
composed of plates of cellulose and have two flagella originating in grooves in the cell
wall.
a. Phaeophyta
d. Euglenophyta
b. Bacillariophyta e. Dinoflagellata
c. Rhodophyta
35.
Approximately 50 per cent of the Earth’s photosynthesis occurs in the oceans. Which of the following two groups are responsible
for most of this photosynthesis?
a. Bacillariophyta and
Phaeophyta
b. Chlorophyta and
Rhodophyta
c. Dinoflagellata and
Bacillariophyta
d. Phaeophyta and
Rhodophyta
e. Bacillariophyta and
Euglenophyta.
36. An accessory pigment which characterizes red
algae.
a. Fucoxanthan
d. Chlorophyll
d
b. Phycocyanin
e. Chlorophyll
b
c. Xanthrophyll b
37. Organisms that secure food from the
environment are:
a. Autotrophic only d.
Parasitic
b. Heterotrophic only e.
None of these
c. Mixotrophic are
correct
38. This group of algae have no cell wall, but are
photosynthetic and have chlorophyll a and b.
a. Euglenophyta d. Chlorophyta
b. Dinoflagellata
e. Diatoms
c. Phaeophyta
39. Cellular slime molds are members of the
division:
a. Phaeophyta
d. Acrasiomycota
b. Deuteromycota e.
Ascomycota
c. Myxomycota
40. Which of the following is not a Kingdom Fungi
characteristic?
a. chitin cell walls
b. haploid body cells
c. absorptive
heterotrophic nutrition
d. d. produce
flagellated cell
e. s
mostly
terrestrial
41. Episomes are segments of DNA inserted into the
bacterial chromosome.
42. Transformation is a
process by which DNA is transferred from one bacterial cell to another.
43. Bacillus bacteria are spherical in shape.
44. The pigment bacteriochlorophyll is involved in
bacterial photosynthesis, but no O2 is released in this type of photosynthesis.
45. Bacillus
megatherum is
often used as a biological control against many insect pest.
46. Some dinoflagellates produce toxins that can
be dangerous to humans or wildlife.
47. The cells of members of the kingdom Protista
are eukaryotic.
48. Members of the Phaeophyta are the golden brown
algae.
49. Members of the Chlorophyta are characterized
by chlorophyll ‘a’ and ‘d’.
50. Chlamydomonas
is a multicellular green alga.
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