Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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The
second law of thermodynamics holds that a. | matter can neither be created nor
destroyed. | b. | energy can be created or destroyed. | c. | energy of one
form is converted to a less concentrated form whenever energy is transformed or
transferred. | d. | entropy decreases with time. | e. | none of the
above | | |
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2.
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Essentially, the first law of thermodynamics says that a. | one form of
energy cannot be converted into another. | b. | entropy is increasing in the
universe. | c. | energy can be neither created nor
destroyed. | d. | energy cannot be converted into matter or matter into
energy. | e. | all of the above | | |
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3.
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Enzymes increase the rate of a given reaction by lowering what kind of
energy? a. | combination | b. | electrical | c. | activation | d. | solar | e. | thermal | | |
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4.
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The
addition of electrons to a compound is known as a. | dehydration. | c. | reduction. | b. | oxidation. | d. | phosphorylation. | | | | |
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5.
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When
NAD+ combines with hydrogen, the NAD+ becomes a. | reduced. | c. | oxidized. | b. | denatured. | d. | none of the
above | | | | |
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6.
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Plants need which of the following to carry on photosynthesis? a. | H2O | b. | lipid | c. | CO | d. | A and C above
C) O2 | | |
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7.
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The
carbon source for organisms that derive their energy from photosynthesis is a. | carbon
monoxide. | c. | carbon
dioxide. | b. | methane. | d. | glucose. | | | | |
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8.
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The
oxygen released in photosynthesis comes from a. | carbon dioxide. | c. | glucose. | b. | water. | d. | atmospheric
oxygen. | | | | |
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9.
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The
stack of membrane system of the chloroplast is called a a. | thylakoid. | c. | stroma. | b. | granum. | d. | tracheid. | | | | |
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10.
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Chlorophyll absorbs which color of light? a. | red | b. | yellow | c. | orange | d. | blue | e. | all but green | | |
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