Bio Exam 2 Study Guide

1. 1. Inside the chloroplasts, chlorophyll is found in the

• mesophyll

• thylakoid space

• thylakoid membrane

• stroma

• cytoplasm

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2. 2. The fluid-filled area within the chloroplast is called the

• granum.

• chlorophyll.

• cytoplasm.

• stroma.

• christae.

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3. 3. Which of the following events takes place in the Calvin cycle?

• transfer of electrons to the reaction center of photosystem I

• generation of ATP from ADP + Pi

• splitting of water, releasing an electron

• generation of NADPH from NADP+

• CO₂ is converted into G3P.

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4. 4. The light reactions produce ________, which are used in the Calvin cycle. The Calvin cycle releases ________, which return to the light reactions. 

• ATP and NADPH; ADP and NADP 

• CO2 and H2O; glucose and O2 

• ATP and CO2; glucose and O2 

• glucose and O2; CO2 and H2O 

• ADP and NADH; ATP and NADPH 

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5. 5. Which compounds link the light reactions with the Calvin cycle reactions?

• ATP and NADPH

• H⁺ and ATP

• G3P and ATP

• H⁺ and G3P

• G3P and NADPH

6. 6. The three stages of the Calvin cycle reactions are

• NADPH reduction, CO₂ fixation, and NADP+ regeneration.

• NADPH reduction, CO₂ fixation, and RuBP regeneration.

• CO₂ fixation, CO₂ reduction, and RuBP regeneration.

• CO₂ fixation, CO₂ reduction, and NADP+ regeneration.

• CO₂ reduction, NADPH reduction, and CO₂ regeneration.

7. 7. Energy to drive the formation of ATP in photosynthesis is derived from

• the H+ gradient.

• NADP+.

• G3P.

• NADPH.

• CO₂.

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8. 8. The O₂ given off during photosynthesis is derived from

• both CO₂ and H₂O.

• RuBP.

• CO₂.

• NADP+.

• H₂O.

9. 9. The reaction center of photosystem I consists of what type of molecule?

• chlorophyll a

• chlorophyll b

• carotenoids

• NADP+

• electron transport proteins

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10. 10. The number of ATP produced during aerobic cellular respiration from one glucose molecule is usually __________. 

• 2–4 

• 26–28 

• 10–20 

• 36–38 

• 10–12 

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