PDF Multiple Choice Identify the choice that best completes the ...

Name: ________________________ Class: ___________________ Date: __________

chp.8

Multiple Choice Identify the choice that best completes the statement or answers the question.

1. What are the three parts of an ATP molecule? a. adenine, thylakoid, and a phosphate group b. stroma, grana, and chlorophyll c. adenine, ribose, and three phosphate groups d. NADH, NADPH, and FADH2

2. Use the diagram to answer the question.

ID: A

Between which parts of the molecule must the bonds be broken to form an ADP molecule? a. A and B b. A and C c. B and C d. C and D

3. Most plants appear green because chlorophyll a. absorbs green light. b. absorbs violet light. c. does not absorb green light. d. does not absorb violet light.

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Name: ________________________ 4. Use the diagram to answer the question.

ID: A

A.

B.

Why might the candle in jar A burn longer than the candle in jar B?

a. Carbon dioxide produced by the plant allows the candle to burn longer.

b. Chlorophyll produced by the plant allows the candle to burn longer.

c. Glucose produced by the plant allows the candle to burn longer.

d. Oxygen produced by the plant allows the candle to burn longer.

5. If carbon dioxide is completely removed from a plant's environment, what would you expect to happen to the plant's production of high-energy sugars? a. More sugars will be produced. b. No sugars will be produced. c. The same number of sugars will be produced but without carbon dioxide. d. Fewer sugars will be produced at first, but then the plant will recover.

6. Use the diagram to answer the question.

In which experimental setup shown above would you expect the Elodea plant inside the test tube to produce the LEAST amount of oxygen? a. A b. B c. C d. D

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Name: ________________________ 7. Use the diagram to answer the question.

ID: A

Imagine that y-axis of each graph describes the rate of photosynthesis. Which of the graphs represents the effect of light intensity on the rate of photosynthesis? a. A b. B c. C d. D 8. The raw materials or reactants of photosynthesis are a. sugar and water. b. sugar and oxygen. c. carbon dioxide and water. d. carbon dioxide and oxygen. 9. Which of the following equations represents the process of photosynthesis?

a. C6H12O6 + H2O CO2 b. 6 CO2 + 6 H2O C6H12O6 + 6 O2 c. Sugars + Oxygen Carbon dioxide + Water d. Carbon dioxide + Sugars Water + Oxygen

10. Which statement about photosynthesis is correct? a. Plants get the energy they need for photosynthesis from water. b. Plants get the energy they need for photosynthesis from soil. c. Plants get the energy they need for photosynthesis from sunlight. d. Plants do not require energy to perform photosynthesis.

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Name: ________________________ 11. The following data are found in a lab report describing an investigation involving plants.

ID: A

The conclusions in this lab report will most likely pertain to which cellular process? a. Cellular respiration b. Photosynthesis c. Active transport d. Protein synthesis 12. What compound do cells use to store and release energy? a. ATP b. Carbon dioxide c. Sugar d. Water 13. What is the ultimate source of energy for plants? a. Air b. Soil c. Grass d. Sun 14. What characteristic sets heterotrophs apart from autotrophs? a. Heterotrophs can be classified only as mammals. b. Heterotrophs use energy from the sun to make their own food. c. Heterotrophs obtain food from consuming other living or once-living things. d. Heterotrophs obtain food through the process of photosynthesis. 15. Why are decomposers, such as mushrooms, considered heterotrophs? a. Mushrooms absorb energy from the sun. b. Mushrooms consume plants to gain nutrients. c. Mushrooms are consumed by humans, providing energy to humans. d. Mushrooms absorb nutrients from decomposing organisms.

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Name: ________________________

16. The rate of photosynthesis is affected by all of the following except a. the amount of salt. b. the availability of water. c. light intensity. d. temperature.

17. What inference is best supported by the data in the graph?

ID: A

a. CO2 concentration is closely related to light intensity. b. Plants reach their maximum rate of photosynthesis at a CO2 concentration of about 500

ppm. c. At a CO2 concentration of 1250 ppm, corn and beans will have the same rate of

photosynthesis. d. For these plants, rates of photosynthesis at CO2 concentrations of 1250 ppm and 750

ppm are very similar. 18. What is active transport?

a. The movement of materials against a concentration gradient without the use of energy. b. The movement of materials against a concentration gradient with the use of energy. c. The movement of materials from an area of low concentration to one of higher

concentration. d. The movement of water from an area of high concentration to one of low concentration.

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Name: ________________________ 19. Look at the diagram.

All of the following are parts of an ADP molecule EXCEPT a. structure A. b. structure B. c. structure C. d. structure D. 20. Use the diagram to answer the question.

ID: A

Imagine that y-axis of each graph describes the rate of photosynthesis. Which of the graphs represents the effect of temperature on the rate of photosynthesis? a. A b. B c. C d. D

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