Photosynthesis Quiz

Last Updated By JanetMayorga on 11/19/2012
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Photosynthesis is a redox reaction. This means that H2O is _____ during the light reactions and CO2 is_ _____ during the Calvin Cycle.

Answer:
a)  consumed ... consumed
b)  reduced ... reduced
c)  consumed ... reduced
d)  reduced ... oxidized
e)  oxidized...reduced
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  • Which of the following products of the light reactions of photosynthesis is consumed during the Calvin cycle?



    a)ADP + Pi
    b)sugar
    c)water
    d)oxygen
    e)NADPH
    e)NADPH
  • The overall function of the Calvin cycle is _____.
    a)producing carbon dioxide
    b)capturing sunlight
    c)making sugar
    d)splitting water
    e)oxidizing glucose
    c)oxidizing glucose
  • C4 plants occur more commonly in desert conditions because _____.
    a)they produce carbon dioxide internally via photorespiration
    b)they can fix carbon at the lower CO2 concentrations that develop when the stomata are closed
    c)the stomata open at night and close in the day
    d)they produce water as a product of their photosynthetic pathways
    e)they store carbon by incorporating Co2 into organic acids that are later catabolized
    b)they store carbon by incorporating Co2 into organic acids that are later catabolized
  • Which of the following sequences correctly represents the flow of electrons during photosynthesis?



    a)NADPH ---> chlorophyll ---> Calvin cycle
    b)H2O ---> photosystem I ---> photosystem II
    c)NADPH ---> O2 ---> CO2
    d)NADPH ---> electron transport chain ---> O2
    e)H2O ---> NADPH ---> Calvin cycle
    e)H2O ---> NADPH ---> Calvin cycle
  • Which of the following statements is a correct distinction between autotrophs and heterotrophs?



    a)Autotrophs, but not heterotrophs, can nourish themselves beginning with CO2 and other nutrients that are inorganic.
    b)Only heterotrophs have mitochondria.
    c)Cellular respiration is unique to heterotrophs.
    d)Only heterotrophs require chemical compounds from the environment.
    e)Only heterotrophs require oxygen.
    a)Only heterotrophs require oxygen.
  • Which of the following does not occur during the Calvin cycle?



    a)carbon fixation
    b)regeneration of the CO2 acceptor
    c)oxidation of NADPH
    d)release of oxygen
    e)consumption of ATP
    d)consumption of ATP
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Free Quiz Question From Photosynthesis Quiz
Question: Photosynthesis is a redox reaction. This means that H2O is _____ during the light reactions and CO2 is_ _____ during the Calvin Cycle.
Answer:
consumed ... consumed
reduced ... reduced
consumed ... reduced
reduced ... oxidized
oxidized...reduced