True/False
Indicate whether the sentence or statement is true
or false.
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1.
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Animals that live exclusively on a diet of other animals are unable to use
carbohydrates to fuel their life processes.
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2.
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When
light hits a plant, all of the wavelengths are absorbed and used to make sugar.
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3.
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Most
plants are heterotrophic.
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4.
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Photosynthesis is a process that takes place in autotrophs.
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5.
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A
series of linked chemical reactions in which the product of one chemical reaction serves as the
reactant in the next reaction is called a biochemical pathway.
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6.
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An
autotroph is able to make its own organic molecules from inorganic materials and
energy.
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7.
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The
major light-absorbing pigment in plants is chlorophyll.
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8.
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The
“light reactions” of photosynthesis can occur only under light conditions, and the
“dark reactions” occur only during the dark hours.
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9.
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The
final product of photosynthesis is not actually glucose.
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10.
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C4 and CAM plants use less water to produce the same amount of
carbohydrate as C3 plants.
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Completion
Complete each sentence or
statement.
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11.
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Stacks of thylakoids, called ____________________, are found suspended in the stroma
of chloroplasts.
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12.
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A
pigment that absorbs primarily red and blue photons of light for photosynthesis is called
____________________, while pigments that absorb other wavelengths and appear yellow and orange are
called ____________________.
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13.
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Organisms that harvest energy from either sunlight or chemicals in order to make food
molecules are called ____________________.
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14.
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The
main pigment associated with the two photosystems is ____________________.
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15.
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In
the electron transport chain of photosynthesis, electrons travel from molecule to molecule as part of
a(n) ____________________ atom.
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16.
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The
abundance of oxygen in Earth’s atmosphere is a result of ____________________.
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17.
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Chemiosmosis results in the release of ____________________.
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18.
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The
third stage of photosynthesis, in which glucose is manufactured, is called the
____________________.
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19.
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The
scientist who determined the sequence of steps in the light-independent reactions was
____________________.
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20.
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The
____________________ plants have an enzyme that is more efficient at fixing CO2 than is the enzyme that accomplishes this in
____________________.
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