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Rubisco is necessary for


A) capturing light energy.
B) carbon cycling.
C) producing chlorophyll.
D) water absorption.

E) B) and D)
F) B) and C)

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The production of chlorophyll molecules requires most plants to obtain __________ from the soil.


A) calcium
B) magnesium
C) nitrogen
D) potassium

E) None of the above
F) A) and B)

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In the second phase of photosynthesis, chemical energy + __________ = sugar.


A) carbon dioxide
B) nitrogen
C) oxygen
D) water

E) A) and C)
F) C) and D)

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When the light reactions occur in the daytime and the Calvin cycle takes place at night, this is an example of


A) physical separation.
B) seasonal separation.
C) temporal separation.
D) transpiration.

E) A) and B)
F) None of the above

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Which mineral is necessary for a plant to develop both nucleic and amino acids?


A) carbon
B) magnesium
C) nitrogen
D) potassium

E) None of the above
F) All of the above

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Additional air chambers in the stems and roots of cattails allow it to survive when exposed to


A) drought.
B) fire.
C) frost.
D) wetland conditions.

E) All of the above
F) B) and D)

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As much as 50 percent of a soil's volume is


A) air.
B) iron.
C) manganese.
D) water.

E) A) and D)
F) A) and B)

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Which of the following is a waste product of photosynthesis?


A) carbon dioxide
B) oxygen
C) sugar
D) water

E) B) and C)
F) A) and B)

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The resurrection plant (a club moss) has the unique ability to withstand


A) a lack of sunlight.
B) drought.
C) fire.
D) floods.

E) A) and B)
F) A) and C)

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A horticultural student is performing a study utilizing both banana trees from the tropical rain forest and cacti from the desert. The student has been provided with soils of different particle sizes as follows: soil A = 0.08 mm, soil B = 0.008 mm, and soil C = 0.001 mm. The student places one banana tree and one cactus in each soil type and monitors their condition. Note that all samples receive the same amount of water. In which soil would the banana tree receive the most appropriate amount of water for its needs?


A) soil A
B) soil B
C) soil C
D) It would receive the appropriate amount of water from all the soil types.

E) None of the above
F) B) and C)

Correct Answer

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A chlorophyll molecule consists of four nitrogen atoms surrounding a magnesium core and


A) one fatty acid.
B) two fatty acids.
C) three fatty acids.
D) four fatty acids.

E) None of the above
F) B) and D)

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The first stage of photosynthesis is(are) the __________, and the second stage is(are) the __________.


A) Calvin cycle; Calvin cycle
B) Calvin cycle; light reactions
C) light reactions; Calvin cycle
D) light reactions; light reactions

E) None of the above
F) All of the above

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The pitcher plant obtains the nitrogen necessary for growth from


A) ATP.
B) captured insects.
C) its waxy crystals.
D) the sun.

E) B) and C)
F) All of the above

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The loading of sugars into phloem goes __________ the concentration gradient and involves a(n) __________ process.


A) against; active
B) against; passive
C) with; active
D) with; passive

E) A) and B)
F) C) and D)

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The electron transport chain is used to produce


A) ATP.
B) carbon dioxide.
C) oxygen.
D) water.

E) B) and C)
F) A) and C)

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A

A horticultural student is performing a study utilizing both banana trees from the tropical rain forest and cacti from the desert. The student has been provided with soils of different particle sizes as follows: soil A = 0.08 mm, soil B = 0.008 mm, and soil C = 0.001 mm. The student places one banana tree and one cactus in each soil type and monitors their condition. Note that all samples receive the same amount of water. In which soil would the cactus receive the most appropriate amount of water for its needs?


A) soil A
B) soil B
C) soil C
D) It would receive the appropriate amount of water from all the soil types.

E) B) and C)
F) A) and D)

Correct Answer

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The microbes that live within the pitcher plant help the plant by


A) breaking down the dead insects.
B) enticing the insects to enter the plant.
C) producing nectar.
D) producing water.

E) A) and B)
F) A) and C)

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A

Which of the following is the proper sequence for the three stages of aerobic respiration in plants?


A) citric acid cycle, electron transport chain, glycolysis
B) citric acid cycle, glycolysis, electron transport chain
C) glycolysis, citric acid cycle, electron transport chain
D) glycolysis, electron transport chain, citric acid cycle

E) B) and D)
F) None of the above

Correct Answer

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Oxygen dissolved in water moves ____________________ it does in air.


A) faster than
B) slower than
C) at the same rate as
D) faster or slower, depending on the microbe content of the water, than

E) All of the above
F) A) and C)

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B

Plants open their stomata to obtain


A) carbon dioxide from air.
B) oxygen from air.
C) sugar from the roots.
D) water from air.

E) B) and C)
F) A) and D)

Correct Answer

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