BIOL 1201 EXAM 1 Questions With Correct Answers

BIOL 1201 EXAM 1 Questions With Correct
Answers

An organ, such as the liver, is composed of ____. - CORRECT ANSWER✔✔-tissues
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Which of these is an organ system?
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A. stomach
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B. mucosa
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C. digestive
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D. gamete - CORRECT ANSWER✔✔-C
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Organs are composed of ___ or more different tissues. - CORRECT ANSWER✔✔-
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two


The digestive system is composed of structures such as the.... - CORRECT
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ANSWER✔✔-stomach and small intestine | | |




What are the two main types of cells? - CORRECT ANSWER✔✔-prokaryotes and
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eukaryotes


Prokaryotic cells lack the ___ and other ___ found in eukaryotic cells. - CORRECT
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ANSWER✔✔-nucleus; organelles |

,What is the sequence that represents the hierarchy of biological organization
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from the least to the most complex level? - CORRECT ANSWER✔✔-molecule, cell,
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|organ system, population, ecosystem, biosphere
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For most ecosystems __________ is (are) the ultimate source of energy, and
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energy leaves the ecosystem in the form of __________. - CORRECT ANSWER✔✔-
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sunlight; heat |




The lowest level of biological organization that can perform all the activities
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required for life is the... | | | |




Ex: ___ - CORRECT ANSWER✔✔-cell; skin cell
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Which of the following statements concerning prokaryotic and eukaryotic cells is
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not correct? |




A. DNA, or deoxyribonucleic acid, is present in both
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| prokaryotic cells and eukaryotic cells. | | | | |




B. Prokaryotic cells contain small membrane-enclosed
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| organelles. |




C. Prokaryotic cells lack a membrane-bound nucleus.
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D. Eukaryotic cells contain a membrane-bound nucleus.
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E. DNA or deoxyribonucleic acid is present in the nucleus
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| of eukaryotic cells. - CORRECT ANSWER✔✔-B
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, Species that are in the same __________ are more closely related than species
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that are only in the same __________. - CORRECT ANSWER✔✔-family; order
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Two species that belong to the same genus must also belong to the same... -
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CORRECT ANSWER✔✔-order, phylum, kingdom, class
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What is the hierarchical organization of life from most to least inclusive? -
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CORRECT ANSWER✔✔-kingdom, phylum, class, order, family, genus, species
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Which of the following statements is not true of scientific experiments?
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A. They must be well documented.
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B. They must occur under carefully controlled conditions
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| found in a laboratory.
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C. They yield useful results regardless of whether the
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| hypothesis is supported or rejected. - CORRECT ANSWER✔✔-B
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In an experiment, investigators try to control all of the variables except one—the
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one that tests the hypothesis. Which of the following reasons is the primary
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rationale for controlling variables in an experiment? - CORRECT ANSWER✔✔-to
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eliminate alternative explanations | |




Controlling all variables but one ensures that ___ is not responsible for the results
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obtained from an experiment. - CORRECT ANSWER✔✔-some other factor
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Which of the following statements could not be supported or rejected by a
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scientific experiment? | |