Photosynthesis (College)
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Photosynthesis
1.
Which two substances act as substrates during photosynthesis?
- glucose and oxygen
- water and carbon dioxide
- glucose and carbon dioxide
- stoma and thylakoids
2.
During photosynthesis, ATP molecules are generated by
- chemiosmosis
- the splitting of water
- digestion
- fermentation
3.
The tissue that makes up the middle portion of a leaf where most photosynthesis takes place is the mesophyll.
- True
- False
4.
Which of the following is a description of P700?
- product of the citric acid cycle
- electron carrier in photosynthesis
- electron carried in cellular respiration
- also called Photosystem II
- also called Photosystem I
5.
Which of the following is a description of P680?
- product of the citric acid cycle
- electron carrier in photosynthesis
- electron carried in cellular respiration
- also called Photosystem II
- also called Photosystem I
6.
In photosynthesis, water undergoes , while carbon dioxide undergoes .
- oxidation; reduction
- reduction; oxidation
- no change; oxidation
- none of the above
7.
A product of photosynthesis is molecular oxygen. What is the source of this oxygen?
- water and carbon dioxide
- carbon dioxide and glucose
- water
- carbon dioxide
- none of the above
8.
What is true of plants that perform C4 photosynthesis?
- C4 photosynthesis inhibits photorespiration in plants living in hot, arid climates.
- The stomata are open during the day.
- The mesophyll cells store carbon dioxide in a 3-carbon acid.
- 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?
- fewer cytochrome proteins
- increased photorespiration
- reduced water availability
- increased stomatal openings
10.
What do plants do with the sugar they produce during photosynthesis?
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