1. Which of the following is the reduced form of a temporary electron carrier molecule?

A. FADH₂
B. ATP
C. NADP₊
D. CO₂

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2. Which one of the following is a product of both cyclic and noncyclic photophosphorylation?

A. NADPH
B. O2
C. ATP
D. Carbohydrate

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3. Which of the following represents a correct ordering of the events that occur during the respiration of glucose in the absence of O2?

A. Glycolysis; citric acid cycle; oxidative phosphorylation
B. Glycolysis; oxidative phosphorylation; citric acid cycle
C. Oxidative phosphorylation; citric acid cycle; glycolysis
D. Glycolysis; fermentation

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4. The rate of photorespiration in most plants increases at.higher temperatures. Some plants have evolved a somewhat round-about system to deal with this problem. This series of reactions is called

A. ETS (electron transfer system in light reactions
B. C₄ pathway
C. Photosystem II
D. Calvin cycle

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5. NADP⁺ is reduced to NADPH during

A. light dependent reactions
B. photorespiration
C. calvin cylcle
D. none of these

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