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Review Questions Photosynthesis
Test Description: A2
Instructions: Answer all questions to get your test result.
1) The light independent stage of photosynthesis can occur at night.
A
True
B
False
2) State the name of the stage pf photosynthesis where carbon dioxide is fixed.
A
Calvin Cycle
B
Chemiosmosis
C
Krebs Cycle
D
Photolysis of water
3) Name the light harvesting cluster of pigments in a chloroplast thylakoid membrane.
A
Photophosphorylation
B
Absorption spectra
C
Hill Reaction
D
Photosystem
4) During the light independent stage, the molecule that combines with carbon dioxide is known as
A
ribulose bisphosphase
B
ribulase bisphosphase
C
ribulase bisphosphate
D
ribulose bisphosphate
5) During the light independent stage of photosynthesis, carbon dioxide is fixed and is converted into 2 molecules of
A
triose phosphate
B
glycerate-3-phosphate
C
diphosphate
D
glyceraldehyde -3-phosphatase
6) hexose phosphates are condensed
A
glycerate phosphates
B
diphosphates
C
bisphosphates
D
triose phosphates
7) Which of these factors that affect photosynthesis rate does not also affect transpiration rate?
A
carbon dioxide concentration
B
light intensity
C
temperature
D
humidity
8) Photorespiration occurs when
A
PEP carboxylase binds to oxygen instead of carbon dioxide
B
Rubisco is present in bundle sheath cells
C
PEP carboxylase is not present in mesophyll cells
D
Rubisco binds to carbon dioxide instead of oxygen
9) Which of the following is a physiological adaptation in plants to avoid photorespiration?
A
Krebs anatomy
B
Oxaloacetate
C
Malate
D
Kranz anatomy
10) An action spectrum is a graph showing
A
the energy content of a photosynthetic pigment at different wavelengths of light
B
the absorbance of different wavelengths of light by a photosynthetic pigment
C
the effectiveness of photosynthesis at different wavelengths of light
D
the rate of photosynthesis at the optimum wavelength of light
*select an answer for all questions
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