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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Where
does photosynthesis occur in the cell? a. | Mitochondria | c. | Cell membrane | b. | Chloroplasts | d. | Nucleus | | | | |
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2.
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Chlorophyll traps _____ from sunlight. a. | oxygen | c. | hydrogen | b. | energy | d. | glucose | | | | |
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3.
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Organisms that cannot make their own food and must obtain energy from the foods they
eat are called a. | autotrophs. | c. | thylakoids. | b. | heterotrophs. | d. | plants. | | | | |
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4.
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A
student is collecting the gas given off from a plant in bright sunlight at a temperature of
27°C. The gas being collected is probably a. | oxygen. | c. | ATP. | b. | carbon dioxide. | d. | vaporized water. | | | | |
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5.
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The
main energy-trapping molecule in plants is _____. a. | chloroplast | c. | stroma | b. | chlorophyll | d. | carotenoids | | | | |
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6.
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An
organism that makes its own food. a. | ATP synthase | c. | Heterotroph | b. | Autotroph | d. | Photosystem | | | | |
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7.
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Plants gather the sun’s energy with light-absorbing molecules
called a. | pigments. | c. | chloroplasts. | b. | thylakoids. | d. | glucose. | | | | |
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Figure
8–2
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8.
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Which
of the graphs in Figure 8–2 represents the effect of temperature on the rate of
photosynthesis?
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9.
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Which
of the following equations best represents photosynthesis? a. | C +
O2 + H2O ® CO2 + HOH | c. | 6C + 6H2O ®
C6H12O6 | b. | 6CO2 + 6H2O ®
C6H12O6 + 6O2 | d. | C6H12O6
+6O2® 6CO2 + 6H2O | | | | |
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10.
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Which
region of the visible spectrum is not absorbed well by chlorophyll? a. | blue | c. | green | b. | violet | d. | red | | | | |
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11.
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Which
of the following affects the rate of photosynthesis? a. | water | c. | light
intensity | b. | temperature | d. | all of the above | | | | |
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12.
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An
organism that makes its own food. a. | ATP synthase | c. | Heterotroph | b. | Autotroph | d. | Photosystem | | | | |
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Figure BEOC1-14
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13.
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What
are the gas bubbles made of in the above firgure BEOC1-14? a. | Water | b. | Glucose | c. | Carbon
dioxide | d. | Oxygen | | | | | | | | |
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14.
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Photosynthesis uses sunlight to convert water and carbon dioxide into a. | oxygen. | b. | high-energy sugars and starches. | c. | ATP and
oxygen. | d. | oxygen and high-energy sugars and
starches. | | |
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15.
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What
is the name of the orange pigment? a. | Chlorophyll | c. | Xanthophyll | b. | Rhodophyll | d. | Ribosomes | | | | |
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