BIOL 1201 EXAM 1 QUESTIONS &
ANSWERS(GRADED A+)
tissues - ANSWERAn organ, such as the liver, is composed of ____.
C - ANSWERWhich of these is an organ system?
A. stomach
B. mucosa
C. digestive
D. gamete
two - ANSWEROrgans are composed of ___ or more different tissues.
stomach and small intestine - ANSWERThe digestive system is composed of
structures such as the....
prokaryotes and eukaryotes - ANSWERWhat are the two main types of cells?
nucleus; organelles - ANSWERProkaryotic cells lack the ___ and other ___ found in
eukaryotic cells.
molecule, cell, organ system, population, ecosystem, biosphere - ANSWERWhat is
the sequence that represents the hierarchy of biological organization from the least
to the most complex level?
sunlight; heat - ANSWERFor most ecosystems __________ is (are) the ultimate
source of energy, and energy leaves the ecosystem in the form of __________.
cell; skin cell - ANSWERThe lowest level of biological organization that can perform
all the activities required for life is the...
Ex: ___
B - ANSWERWhich of the following statements concerning prokaryotic and
eukaryotic cells is not correct?
A. DNA, or deoxyribonucleic acid, is present in both
prokaryotic cells and eukaryotic cells.
B. Prokaryotic cells contain small membrane-enclosed
organelles.
C. Prokaryotic cells lack a membrane-bound nucleus.
D. Eukaryotic cells contain a membrane-bound nucleus.
E. DNA or deoxyribonucleic acid is present in the nucleus
of eukaryotic cells.
family; order - ANSWERSpecies that are in the same __________ are more closely
related than species that are only in the same __________.
, order, phylum, kingdom, class - ANSWERTwo species that belong to the same
genus must also belong to the same...
kingdom, phylum, class, order, family, genus, species - ANSWERWhat is the
hierarchical organization of life from most to least inclusive?
B - ANSWERWhich of the following statements is not true of scientific experiments?
A. They must be well documented.
B. They must occur under carefully controlled conditions
found in a laboratory.
C. They yield useful results regardless of whether the
hypothesis is supported or rejected.
to eliminate alternative explanations - ANSWERIn an experiment, investigators try to
control all of the variables except one—the one that tests the hypothesis. Which of
the following reasons is the primary rationale for controlling variables in an
experiment?
some other factor - ANSWERControlling all variables but one ensures that ___ is not
responsible for the results obtained from an experiment.
C; it cannot be tested - ANSWERWhich of the following statements could not be
supported or rejected by a scientific experiment?
A. Grass is green because it contains chlorophyll.
B. College students think football is more fun to watch
than baseball.
C. The first living cell on Earth came from outer space
Why?
it can be supported or rejected through experimentation - ANSWERWhat is true
about a hypothesis?
the shape of the flask - ANSWERWhat did Pasteur change in his experiment to test
the hypothesis of spontaneous generation?
no cells were entering the flask from the air; arisen spontaneously - ANSWERBy
using a swan-necked flask for the experimental treatment, Pasteur ensured that
____. Thus, any organisms that appeared in the experimental flask would have
____.
boiled the broth - ANSWERIn Pasteur's experiment to test the hypothesis of
spontaneous generation, he ____ to kill any existing organisms in the broth and to
ensure the conditions in each flask were identical.
flies were attacked less frequently - ANSWERWhat results from the Zonosemata
experiment support the sub-hypothesis that wing waving alone reduces predation by
jumping spiders?
ANSWERS(GRADED A+)
tissues - ANSWERAn organ, such as the liver, is composed of ____.
C - ANSWERWhich of these is an organ system?
A. stomach
B. mucosa
C. digestive
D. gamete
two - ANSWEROrgans are composed of ___ or more different tissues.
stomach and small intestine - ANSWERThe digestive system is composed of
structures such as the....
prokaryotes and eukaryotes - ANSWERWhat are the two main types of cells?
nucleus; organelles - ANSWERProkaryotic cells lack the ___ and other ___ found in
eukaryotic cells.
molecule, cell, organ system, population, ecosystem, biosphere - ANSWERWhat is
the sequence that represents the hierarchy of biological organization from the least
to the most complex level?
sunlight; heat - ANSWERFor most ecosystems __________ is (are) the ultimate
source of energy, and energy leaves the ecosystem in the form of __________.
cell; skin cell - ANSWERThe lowest level of biological organization that can perform
all the activities required for life is the...
Ex: ___
B - ANSWERWhich of the following statements concerning prokaryotic and
eukaryotic cells is not correct?
A. DNA, or deoxyribonucleic acid, is present in both
prokaryotic cells and eukaryotic cells.
B. Prokaryotic cells contain small membrane-enclosed
organelles.
C. Prokaryotic cells lack a membrane-bound nucleus.
D. Eukaryotic cells contain a membrane-bound nucleus.
E. DNA or deoxyribonucleic acid is present in the nucleus
of eukaryotic cells.
family; order - ANSWERSpecies that are in the same __________ are more closely
related than species that are only in the same __________.
, order, phylum, kingdom, class - ANSWERTwo species that belong to the same
genus must also belong to the same...
kingdom, phylum, class, order, family, genus, species - ANSWERWhat is the
hierarchical organization of life from most to least inclusive?
B - ANSWERWhich of the following statements is not true of scientific experiments?
A. They must be well documented.
B. They must occur under carefully controlled conditions
found in a laboratory.
C. They yield useful results regardless of whether the
hypothesis is supported or rejected.
to eliminate alternative explanations - ANSWERIn an experiment, investigators try to
control all of the variables except one—the one that tests the hypothesis. Which of
the following reasons is the primary rationale for controlling variables in an
experiment?
some other factor - ANSWERControlling all variables but one ensures that ___ is not
responsible for the results obtained from an experiment.
C; it cannot be tested - ANSWERWhich of the following statements could not be
supported or rejected by a scientific experiment?
A. Grass is green because it contains chlorophyll.
B. College students think football is more fun to watch
than baseball.
C. The first living cell on Earth came from outer space
Why?
it can be supported or rejected through experimentation - ANSWERWhat is true
about a hypothesis?
the shape of the flask - ANSWERWhat did Pasteur change in his experiment to test
the hypothesis of spontaneous generation?
no cells were entering the flask from the air; arisen spontaneously - ANSWERBy
using a swan-necked flask for the experimental treatment, Pasteur ensured that
____. Thus, any organisms that appeared in the experimental flask would have
____.
boiled the broth - ANSWERIn Pasteur's experiment to test the hypothesis of
spontaneous generation, he ____ to kill any existing organisms in the broth and to
ensure the conditions in each flask were identical.
flies were attacked less frequently - ANSWERWhat results from the Zonosemata
experiment support the sub-hypothesis that wing waving alone reduces predation by
jumping spiders?
