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Photosynthesis (College)

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Photosynthesis

1. 
Which two substances act as substrates during photosynthesis?
  1. glucose and oxygen
  2. water and carbon dioxide
  3. glucose and carbon dioxide
  4. stoma and thylakoids
2. 
During photosynthesis, ATP molecules are generated by
  1. chemiosmosis
  2. the splitting of water
  3. digestion
  4. fermentation
3. 
The tissue that makes up the middle portion of a leaf where most photosynthesis takes place is the mesophyll.
  1. True
  2. False
4. 
Which of the following is a description of P700?
  1. product of the citric acid cycle
  2. electron carrier in photosynthesis
  3. electron carried in cellular respiration
  4. also called Photosystem II
  5. also called Photosystem I
5. 
Which of the following is a description of P680?
  1. product of the citric acid cycle
  2. electron carrier in photosynthesis
  3. electron carried in cellular respiration
  4. also called Photosystem II
  5. also called Photosystem I
6. 
In photosynthesis, water undergoes                     , while carbon dioxide undergoes                     .
  1. oxidation; reduction
  2. reduction; oxidation
  3. no change; oxidation
  4. none of the above
7. 
A product of photosynthesis is molecular oxygen. What is the source of this oxygen?
  1. water and carbon dioxide
  2. carbon dioxide and glucose
  3. water
  4. carbon dioxide
  5. none of the above
8. 
What is true of plants that perform C4 photosynthesis?
  1. C4 photosynthesis inhibits photorespiration in plants living in hot, arid climates.
  2. The stomata are open during the day.
  3. The mesophyll cells store carbon dioxide in a 3-carbon acid.
  4. The Calvin cycle occurs in all the chloroplasts throughout the cells.
9. 
Which trait cannot be attributed to a reduced rate of photosynthesis in plants?
  1. fewer cytochrome proteins
  2. increased photorespiration
  3. reduced water availability
  4. increased stomatal openings
10. 
What do plants do with the sugar they produce during photosynthesis?



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