BIO 311C PHOTOSYNTHESIS QUESTIONS AND
ANSWERS A+ GRADED
Write the full, balanced equation for photosynthesis
Energy + 6CO2 + 6H2O → C6H12O6 + 6O2
Describe how energy is transformed and then transferred during the energy
transduction reactions
Describe the relative proportions of the primary reactants and products of the
energy transduction reactions
Explain how light energy relates to wavelength
Identify regions of the chloroplast where energy transduction reactions take
place
Trace the path of an excited electron from absorption of solar energy to the
production of ATP & NADPH
Explain the function of antioxidants in photosynthesis
Describe the major functions of the carbon fixation reactions
Identify regions of the chloroplast where carbon fixation reactions take place
Describe the three phases of carbon fixation, including the reactants, products,
and role of ATP/NADPH
Define photorespiration, including how it affects photosynthesis
Name two variations in carbon fixation that help combat photorespiration and
dehydration
Which of the following is an example of the transmission of visible light?
A: Light shining through a window.
B: Light bouncing off water
C: Light on a black surface.
D: Light on a white surface.
B: Light bouncing off water
During the light reactions water is oxidized to O2. Where do the hydrogens go?
A. Used in the reduction of NADP+
B. Used in the synthesis of ATP by chemiosmosis
C. Diffuse out of the chloroplast and unite with O2 to form H2O
D. A and B
E. A, B and C
Which of the following correctly describes the linear pathway of electrons in the
light reactions of photosynthesis?
A: H2O to PS I to PS II to NADP+
B: H2O to PS II to ATP to PS I to NADP+
C: H2O to PS II to PS I to NADP+
ANSWERS A+ GRADED
Write the full, balanced equation for photosynthesis
Energy + 6CO2 + 6H2O → C6H12O6 + 6O2
Describe how energy is transformed and then transferred during the energy
transduction reactions
Describe the relative proportions of the primary reactants and products of the
energy transduction reactions
Explain how light energy relates to wavelength
Identify regions of the chloroplast where energy transduction reactions take
place
Trace the path of an excited electron from absorption of solar energy to the
production of ATP & NADPH
Explain the function of antioxidants in photosynthesis
Describe the major functions of the carbon fixation reactions
Identify regions of the chloroplast where carbon fixation reactions take place
Describe the three phases of carbon fixation, including the reactants, products,
and role of ATP/NADPH
Define photorespiration, including how it affects photosynthesis
Name two variations in carbon fixation that help combat photorespiration and
dehydration
Which of the following is an example of the transmission of visible light?
A: Light shining through a window.
B: Light bouncing off water
C: Light on a black surface.
D: Light on a white surface.
B: Light bouncing off water
During the light reactions water is oxidized to O2. Where do the hydrogens go?
A. Used in the reduction of NADP+
B. Used in the synthesis of ATP by chemiosmosis
C. Diffuse out of the chloroplast and unite with O2 to form H2O
D. A and B
E. A, B and C
Which of the following correctly describes the linear pathway of electrons in the
light reactions of photosynthesis?
A: H2O to PS I to PS II to NADP+
B: H2O to PS II to ATP to PS I to NADP+
C: H2O to PS II to PS I to NADP+
