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20 questions focused on the process of photosynthesis.
Quiz by grenouilleverte3, updated more than 1 year ago
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Created by grenouilleverte3
over 9 years ago
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Question 1
Question
Photosynthesis involves the conversion of light into what?
Answer
-
Chemical energy
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Kinetic energy
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Light energy
Question 2
Question
What wavelengths of light are in sunlight?
Answer
-
Red, green and blue
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Red, orange and blue
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Green, orange and purple
Question 3
Question
The main pigment which absorbs light is called Chloroplast
Answer
- True
- False
Question 4
Question
Which wavelengths of light are absorbed most?
Answer
-
Red and blue
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Green and blue
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Green and red
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Yellow and red
Question 5
Question
Light energy absorbed by the pigments are used to do what two things?
Answer
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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
Question 6
Question
Select 3 methods of measuring rates of photosynthesis
Answer
-
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
Question 7
Answer
-
Chlorophyll
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Chlorophile
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Chloroplast
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Pigment in a plant which absorbs light energy
Question 8
Question
The light-independent reactions produce intermediate compounds which are used in the light-dependent reactions
Answer
- True
- False
Question 9
Question
The Calvin cycle is part of the light-independent reactions
Answer
- True
- False
Question 10
Question
What is a photosystem?
Answer
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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
Question 11
Question
How does chlorophyll become photoactivated?
Answer
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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
Question 12
Question
Once the excited electron in a chlorophyll molecule has been passed from molecule to molecule, where does it go?
Answer
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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
Question 13
Question
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?
Answer
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Osmosis
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Facilitated Diffusion
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Active transport
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Chemiosmosis
Question 14
Question
The production of ATP using the energy from an excited electron from photosystem II is called what?
Answer
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cyclic photophosphorylation
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non-cyclic photophosphorylation
Question 15
Question
Where do the light independent reactions take place?
Answer
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The stroma of the chloroplast
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The stroma of the mitochondrion
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The thylakoid membrane
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The cytoplasm
Question 16
Question
Which of the following is an essential substrate for the light independent reactions?
Answer
-
oxygen
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carbon dioxide
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water
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a proton
Question 17
Question
What is the enzyme which catalyses the fixation of carbon to ribulose bisphophate?
Answer
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Ribulase
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Ribulose biphosphase
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Rubisco
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Rubasco
Question 18
Question
What is the product of carbon fixation?
Answer
-
6-carbon compound which is then split into two molecules of glycerate 3-phosphate
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5-carbon compound which is then split into two molecules of glycerate 3-phosphate
Question 19
Question
Which of the following structural features make chloroplasts appropriate for their function?
Answer
-
large surface area
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small space inside thylakoids
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fluid stroma
Question 20
Question
Light intensity, carbon dioxide concentration and temperature are all limiting factors in the rate of photosynthesis
Answer
- True
- False
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