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20 questions focused on the process of photosynthesis.
Quiz von grenouilleverte3, aktualisiert more than 1 year ago
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Erstellt von grenouilleverte3
vor etwa 9 Jahre
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Frage 1
Frage
Photosynthesis involves the conversion of light into what?
Antworten
-
Chemical energy
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Kinetic energy
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Light energy
Frage 2
Frage
What wavelengths of light are in sunlight?
Antworten
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Red, green and blue
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Red, orange and blue
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Green, orange and purple
Frage 3
Frage
The main pigment which absorbs light is called Chloroplast
Antworten
- True
- False
Frage 4
Frage
Which wavelengths of light are absorbed most?
Antworten
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Red and blue
-
Green and blue
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Green and red
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Yellow and red
Frage 5
Frage
Light energy absorbed by the pigments are used to do what two things?
Antworten
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Produce ATP and form carbon dioxide
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Produce ATP and split water molecules
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Produce ATP and form oxygen only
Frage 6
Frage
Select 3 methods of measuring rates of photosynthesis
Antworten
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Production of oxygen
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Production of Carbon Dioxide
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Uptake of Oxygen
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Uptake of Carbon Dioxide
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Decrease in biomass
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Increase in biomass
Frage 7
Antworten
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Chlorophyll
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Chlorophile
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Chloroplast
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Pigment in a plant which absorbs light energy
Frage 8
Frage
The light-independent reactions produce intermediate compounds which are used in the light-dependent reactions
Antworten
- True
- False
Frage 9
Frage
The Calvin cycle is part of the light-independent reactions
Antworten
- True
- False
Frage 10
Frage
What is a photosystem?
Antworten
-
A group of hundreds of chlorophyll molecules located on the inner membrane of the chloroplast
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A group of hundreds of chlorophyll molecules located in the stroma of the chloroplast
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A group of hundreds of chlorophyll molecules located in thylakoid membranes
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A group of hundreds of chlorophyll molecules located in the cytoplasm of the plant cell
Frage 11
Frage
How does chlorophyll become photoactivated?
Antworten
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The light energy absorbed by the chlorophyll raises an electron in the molecule to be raised to a higher energy level
-
The light energy absorbed by the chlorophyll moves an electron in the molecule to a lower energy level
Frage 12
Frage
Once the excited electron in a chlorophyll molecule has been passed from molecule to molecule, where does it go?
Antworten
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To the stroma
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To a series of electron carriers in the thylakoid membranes
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To a series of electron carriers in the mitochondrial membrane
Frage 13
Frage
Each time the electron passes to a new electron carrier, it gives up some of its energy. This keeps happening until, at some stage, enough is made to form a molecule of ATP. This process is called what?
Antworten
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Osmosis
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Facilitated Diffusion
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Active transport
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Chemiosmosis
Frage 14
Frage
The production of ATP using the energy from an excited electron from photosystem II is called what?
Antworten
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cyclic photophosphorylation
-
non-cyclic photophosphorylation
Frage 15
Frage
Where do the light independent reactions take place?
Antworten
-
The stroma of the chloroplast
-
The stroma of the mitochondrion
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The thylakoid membrane
-
The cytoplasm
Frage 16
Frage
Which of the following is an essential substrate for the light independent reactions?
Antworten
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oxygen
-
carbon dioxide
-
water
-
a proton
Frage 17
Frage
What is the enzyme which catalyses the fixation of carbon to ribulose bisphophate?
Antworten
-
Ribulase
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Ribulose biphosphase
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Rubisco
-
Rubasco
Frage 18
Frage
What is the product of carbon fixation?
Antworten
-
6-carbon compound which is then split into two molecules of glycerate 3-phosphate
-
5-carbon compound which is then split into two molecules of glycerate 3-phosphate
Frage 19
Frage
Which of the following structural features make chloroplasts appropriate for their function?
Antworten
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large surface area
-
small space inside thylakoids
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fluid stroma
Frage 20
Frage
Light intensity, carbon dioxide concentration and temperature are all limiting factors in the rate of photosynthesis
Antworten
- True
- False
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