BIOLOGY 109 QUIZ QUESTIONS AND
ANSWERS
Aquatic invertebrate is anchored by a stalk to its substrate with two shells of calcium
and a horse-shoe shaped crown of ciliated tentacles around the mouth
A. brachiopod
B. mollusc
C. echinoderm
D. arthropod
E. non of the above - ANSWER-A. brachiopod
Members of this group include Plasmodium, the parasite responsible for malaria -
ANSWER-Apicoplexans
Are responsible for several debilitating or even fatal diseases in humans including
African Sleeping Sickness and Chagas Disease - ANSWER-Kinetopastids
Exhibit episodes of explosive population growth that sometimes causes red tides -
ANSWER-Dinoflagellates
Unicellular allgae with unique glass-like walls made of hydrated silica that can
withstand pressure great as 1.4 kg/m2 - ANSWER-Diatoms
Protists that can switch from an autotrophic nutritional mode to a heterotrophic one
when sunlight is unavaliable are termed
A. autoheterotrophs
B. heteroautotrophs
C. mixotrophs
D. chemoautotrophs
E. changeotrophs - ANSWER-C. mixotrophs
Which of the following is an example of symbiotic mutualism?
A. two paramecia exchanging genetic material
B. diplomonad Giardia reproducing in a human
C. parabasalid T.vaginallis feeding on vaginal lining of its human host
D. a zooflagellate digesting food in a termite's intestine
E. none of the above. - ANSWER-D. a zooflagellate digesting food in a termite's
intestine
In Chagas disease, the definitive host is a
A. tsetse fly
B. reduviid bug
C. Trypansome
D. liver cell
E. a sand fly - ANSWER-B. reduviid bug
All of the following are true about bacterial wall EXCEPT
A. gives shape and rigidity to the cell
, B. prevents the cell from undergoing plasmolysisin a hypertonic environment
C. is associated with some symptoms of disease
D. prevents the cell from bursting in a hypotonic environment
E. is the site of action for some antibiotics - ANSWER-B. prevents the cell from
undergoing plasmolysis in a hypertonic environment
Sea anemones are most closely related to which group?
A. lophophorates
B. freshwater hydras
C. corals
D. sponges
E. barnacles - ANSWER-C. corals
Flight is an evolutionary novelty that first appears with the
A. annelids
B. arthropods
C. echinoderms
D. chordates
E. none of the above - ANSWER-B. arthropods
Euryarchaeota that obtain enery by using CO2 to oxidize H2 to CH4
A. thermophiles
B. extreme halophiles
C. obligate aerobes
D. methanogens
E. denitrifying bacteria - ANSWER-D. methanogens
When a non-pathenogenic strain of S. pneumoniae is mixed with a heat killed
pathogenic strain, the former is converted to the pathogenic form. The process
responsible for this conversion is termed
A. conjugation
B. sexual reproduction
C. transformation
D. translocation
E. none of the above - ANSWER-C. transformation
A chemoautotroph utilizes
A. CO2 as its source of energy and carbon
B. organic molecules for energy and as a carbon source
C. CO2 for carbon and inorganic substances such as H2S as an energy source
D. light energy to drive the synthesis of organic compounds from CO2
E. light as both it's source of energy and carbon - ANSWER-C. CO2 for carbon and
inorganic substances such as H2S as an energy source
Because _____ prevents peptidoglycan synthesis, it is more effective on ______ -
ANSWER-Penicillin/Gram positive
Differences between eukaryotic and prokaryotic cells include all of the following
EXCEPT:
A. eukaryotic cells have larger more complex genomes
ANSWERS
Aquatic invertebrate is anchored by a stalk to its substrate with two shells of calcium
and a horse-shoe shaped crown of ciliated tentacles around the mouth
A. brachiopod
B. mollusc
C. echinoderm
D. arthropod
E. non of the above - ANSWER-A. brachiopod
Members of this group include Plasmodium, the parasite responsible for malaria -
ANSWER-Apicoplexans
Are responsible for several debilitating or even fatal diseases in humans including
African Sleeping Sickness and Chagas Disease - ANSWER-Kinetopastids
Exhibit episodes of explosive population growth that sometimes causes red tides -
ANSWER-Dinoflagellates
Unicellular allgae with unique glass-like walls made of hydrated silica that can
withstand pressure great as 1.4 kg/m2 - ANSWER-Diatoms
Protists that can switch from an autotrophic nutritional mode to a heterotrophic one
when sunlight is unavaliable are termed
A. autoheterotrophs
B. heteroautotrophs
C. mixotrophs
D. chemoautotrophs
E. changeotrophs - ANSWER-C. mixotrophs
Which of the following is an example of symbiotic mutualism?
A. two paramecia exchanging genetic material
B. diplomonad Giardia reproducing in a human
C. parabasalid T.vaginallis feeding on vaginal lining of its human host
D. a zooflagellate digesting food in a termite's intestine
E. none of the above. - ANSWER-D. a zooflagellate digesting food in a termite's
intestine
In Chagas disease, the definitive host is a
A. tsetse fly
B. reduviid bug
C. Trypansome
D. liver cell
E. a sand fly - ANSWER-B. reduviid bug
All of the following are true about bacterial wall EXCEPT
A. gives shape and rigidity to the cell
, B. prevents the cell from undergoing plasmolysisin a hypertonic environment
C. is associated with some symptoms of disease
D. prevents the cell from bursting in a hypotonic environment
E. is the site of action for some antibiotics - ANSWER-B. prevents the cell from
undergoing plasmolysis in a hypertonic environment
Sea anemones are most closely related to which group?
A. lophophorates
B. freshwater hydras
C. corals
D. sponges
E. barnacles - ANSWER-C. corals
Flight is an evolutionary novelty that first appears with the
A. annelids
B. arthropods
C. echinoderms
D. chordates
E. none of the above - ANSWER-B. arthropods
Euryarchaeota that obtain enery by using CO2 to oxidize H2 to CH4
A. thermophiles
B. extreme halophiles
C. obligate aerobes
D. methanogens
E. denitrifying bacteria - ANSWER-D. methanogens
When a non-pathenogenic strain of S. pneumoniae is mixed with a heat killed
pathogenic strain, the former is converted to the pathogenic form. The process
responsible for this conversion is termed
A. conjugation
B. sexual reproduction
C. transformation
D. translocation
E. none of the above - ANSWER-C. transformation
A chemoautotroph utilizes
A. CO2 as its source of energy and carbon
B. organic molecules for energy and as a carbon source
C. CO2 for carbon and inorganic substances such as H2S as an energy source
D. light energy to drive the synthesis of organic compounds from CO2
E. light as both it's source of energy and carbon - ANSWER-C. CO2 for carbon and
inorganic substances such as H2S as an energy source
Because _____ prevents peptidoglycan synthesis, it is more effective on ______ -
ANSWER-Penicillin/Gram positive
Differences between eukaryotic and prokaryotic cells include all of the following
EXCEPT:
A. eukaryotic cells have larger more complex genomes
