Frage 1
Frage
Photosynthesis involves the conversion of light into what?
Antworten
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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
Frage 4
Frage
Which wavelengths of light are absorbed most?
Antworten
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Red and blue
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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
Frage 7
Frage
What is this an image of?
Frage 8
Frage
The light-independent reactions produce intermediate compounds which are used in the light-dependent reactions
Frage 9
Frage
The Calvin cycle is part of the light-independent reactions
Frage 10
Frage
What is a photosystem?
Antworten
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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
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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?
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?
Frage 15
Frage
Where do the light independent reactions take place?
Frage 16
Frage
Which of the following is an essential substrate for the light independent reactions?
Antworten
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oxygen
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carbon dioxide
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water
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a proton
Frage 17
Frage
What is the enzyme which catalyses the fixation of carbon to ribulose bisphophate?
Antworten
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Ribulase
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Ribulose biphosphase
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Rubisco
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Rubasco
Frage 18
Frage
What is the product of carbon fixation?
Frage 19
Frage
Which of the following structural features make chloroplasts appropriate for their function?
Frage 20
Frage
Light intensity, carbon dioxide concentration and temperature are all limiting factors in the rate of photosynthesis