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
main energy-trapping molecule in plants is _____. a. | chloroplast | c. | stroma | b. | chlorophyll | d. | carotenoids | | | | |
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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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A
green pigment that traps energy from sunlight is _____. a. | carotenoid | c. | chlorophyll | b. | ATP | d. | thylakoid membranes | | | | |
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4.
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Which
sugar is a part of adenosine diphosphate? a. | adenine | c. | glucose | b. | ribose | d. | glycogen | | | | |
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5.
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Energy is released from ATP when the bond is broken between _____. a. | two phosphate
groups | c. | ribose and a
phosphate group | b. | adenine and ribose | d. | adenine and a phosphate group | | | | |
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6.
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Organisms need a way of storing energy because _____. a. | a cell can't
always immediately use all the energy it gets | b. | an organism
often has times when no energy is used | c. | a cell can release only stored energy | d. | a cell cannot
create energy and must get it from elsewhere in the organism | | |
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7.
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In
order to move molecules in your kidneys, your body needs _____. a. | energy | c. | cold | b. | sunlight | d. | heat | | | | |
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8.
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Kidneys use energy to move molecules and ions in order to keep the blood chemically
balanced. This process is an example of cells using energy to _____. a. | carry on
chemosynthesis | c. | control body
temperature | b. | transmit impulses | d. | maintain homeostasis | | | | |
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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 ® 6CO2
+ 6H2O | | | | |
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10.
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Leaves appear green because the green portion of the light that strikes them is
_____. a. | changed to
heat | c. | destroyed | b. | absorbed | d. | reflected | | | | |
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11.
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Cells
store energy when _____. a. | the third phosphate group breaks off from an ATP
molecule | b. | they break down sucrose to glucose and
fructose | c. | a third phosphate group is bonded to an ATP
molecule | d. | ions are released into the
bloodstream | | |
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12.
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Which
of the following is not a part of adenosine diphosphate? a. | glucose | c. | ribose | b. | adenine | d. | two phosphate groups | | | | |
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