Chapter 4.1-4.3 Quiz Biology I Coach Cardona ID:A

1. Which phrase best describes the function of the ATP molecule?

A. stores energy
B. absorbs energy
C. carries energy
D. converts energy

2. Energy is released from an ATP molecule for cellular processes when it

A. produces a sugar molecule.
B. stores an extra phosphate group.
C. converts a phosphate group to ADP.
D. has a phosphate group removed.

3. Which of the following is the source of energy used in chemosynthesis?

A. heat from hydrothermal vents
B. amino acids
C. chemical compounds
D. sunlight

4. What is the term for an organism that makes its own source of chemical energy?

A. decomposer
B. chloroplast
C. protist
D. producer

5. The function of the light-dependent reactions is to

A. capture and transfer energy.
B. release carbon dioxide.
C. build sugars.
D. form water molecules.

6. The light-independent reactions of photosynthesis need

A. carbon dioxide.
B. water.
C. cellulose.
D. oxygen.

7. Where do the hydrogen ions for the photosystems of the light-dependent reactions come from?

A. water
B. acids
C. sugars
D. sunlight

8. Which phrase best describes the electron transport chain in photosynthesis?

A. a series of proteins located in the thylakoid membrane
B. a chain of photosynthetic proteins located in the stroma
C. a collection of enzymes used to make ADP
D. a group of enzymes that carries energy to the Calvin cycle

9. In the light-independent reactions of photosynthesis,

A. electrons are energized and used to pump H⁺ ions.
B. NADHP is produced amd transfered to photosystem I.
C. CO₂ enters the Calvin cycle and sugars are made.
D. H₂O is broken down and oxygen is released.

10. What is the relationship between the photosystems and the Calvin cycle?

A. The photosystems build sugars with the Carbo dioxide produced by the Calvin cycle.
B. The photosystems produce ATP synthase for the Calvin cycle.
C. The photosystems transfer energy to the Calvin cycle through ATP and NADHP.
D. The photosystems transfer hydrogen ions and carbon dioxide to the Calvin cycle.