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Quiz von alys.caldwell, aktualisiert more than 1 year ago
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Erstellt von alys.caldwell
vor fast 9 Jahre
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Frage 1
Frage
Which of the following affects the rate of photosynthesis?
Antworten
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light intensity
-
water
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temperature
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all of the above
Frage 2
Frage
What are the products of the light-dependent reactions?
Antworten
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oxygen gas
-
ATP
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NADPH
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all of the above
Frage 3
Frage
In the light reactions of photosynthesis, which is the molecule complex that energizes electrons just before going to the Calvin cycle?
Antworten
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photosystem 2
-
ATP synthase
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electron transport chain
-
photosystem 1
Frage 4
Frage
Ingenhousz showed that plants produce oxygen bubbles when exposed to
Antworten
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ATP
-
carbon dioxide
-
a burning candle
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light
Frage 5
Frage
What is a product of the Calvin cycle?
Antworten
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glucose
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oxygen gas
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carbon dioxide
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ATP
Frage 6
Frage
Plants gather the sun's energy with light-absorbing molecules called
Antworten
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glucose
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pigments
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thylakoids
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chloroplasts
Frage 7
Frage
The Calvin cycle takes place in the
Antworten
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photosystems
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stroma
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thylakoid membranes
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chlorophyll molecules
Frage 8
Frage
Jan van Helmont concluded that plants gain most of their mass from
Antworten
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the soil
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oxygen in the air
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carbon dioxide in the air
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water
Frage 9
Frage
How does carbon dioxide get into the plant?
Antworten
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thylakoids
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stomata (stomates)
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roots
-
osmosis
Frage 10
Frage
What is the name of the enzyme that combines CO2 with a 5-carbon molecule to begin the Calvin cycle?
Antworten
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ATP synthase
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Rubisco
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Polycalvinase
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Deoxyribonase
Frage 11
Frage
What is the 5-carbon molecule in the Calvin Cycle that joins with the incoming CO2?
Antworten
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ribose
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AUG
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deoxyribose
-
RuBP
Frage 12
Frage
If carbon dioxide is removed from a plant's environment, what would you expect to happen to its production of high-energy sugars?
Antworten
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No sugars will be produced.
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The same number of sugars will be produced but without carbon dioxide.
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More sugars will be produced.
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Carbon dioxide does not affect the production of high-energy sugars in plants.
Frage 13
Frage
The Calvin cycle is another name for
Antworten
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light-independent reactions
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photosynthesis
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light-dependent reactions
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all of the above
Frage 14
Frage
Which of the following is an autotroph?
Antworten
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tree
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monkey
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dog
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mushroom
Frage 15
Frage
What term describes the chemical reaction that ADDs electrons to a molecule?
Antworten
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reduction
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transformation
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chargification
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oxidation
Frage 16
Frage
Most plants appear green because chlorophyll
Antworten
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absorbs green light
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does not absorb green light
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does not absorb violet light
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does not absorb red light
Frage 17
Frage
A granum is a(an)
Antworten
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photosynthetic pigment molecule
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membrane enclosing a thylakoid
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stack of chloroplasts
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stack of thylakoids
Frage 18
Frage
According to your reading, if you continue to increase the intensity of light that a plant receives, what happens?
Antworten
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The rate of photosynthesis increases and then levels off.
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The rate of photosynthesis does not change.
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The rate of photosynthesis increases with light intensity.
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The rate of photosynthesis decreases with light intensity.
Frage 19
Frage
Energy is released from ATP when
Antworten
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ATP is exposed to sunlight
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a phosphate group is removed
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a phosphate group is added
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adenine bonds to ribose
Frage 20
Frage
Which of the following is NOT a part of an ATP molecule?
Antworten
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phosphate
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adenine
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chlorophyll
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ribose
Frage 21
Frage
The light-collecting units of a chloroplast are the
Antworten
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stroma
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electron carriers
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high-energy sugars
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photosystems
Frage 22
Frage
Which step is the beginning of photosynthesis?
Antworten
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HIgh-energy electrons move through the electron transport chain
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Pigments in photosystem I absorb light
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Pigments in photosystem II absorb light
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ATP synthase allows H+ ions to pass through the thylakoid membrane
Frage 23
Frage
The stroma is the space that surrounds
Antworten
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thylakoids
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plant cells
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chloroplasts
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all of the above
Frage 24
Frage
Which scientists showed that plants need light to produce oxygen?
Antworten
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Priestley and Calvin
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Priestley and Ingenhousz
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van Helmont and Calvin
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van Helmont and Priestley
Frage 25
Frage
Which of the following is NOT required for photosynthesis to occur?
Antworten
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water
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carbon dioxide
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oxygen
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light
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