Cycles In Nature Pretest A Name



Cycles In Nature Pretest A Name - ________________________

Identify the letter of the choice that best completes the statement or answers the question.

____ 1. Which of the following processes produces carbon dioxide?

|a. |decomposition |c. |combustion |

|b. |respiration |d. |all of the above |

____ 2. During nitrogen fixation, nitrogen gas is converted into a form that ____ can use.

|a. |plants |c. |fungi |

|b. |animals |d. |All of the above |

____ 3. Which of the following substances must be chemically transformed before it can be used by plants?

|a. |Oxygen |c. |nitrogen gas |

|b. |carbon dioxide |d. |Water |

____ 4. Carbon from the nonliving environment becomes a part of living organisms through

|a. |photosynthesis. |c. |transpiration. |

|b. |respiration. |d. |absorption. |

Examine the diagram below, and answer the questions that follow.

[pic]

____ 5. How do the living organisms in the diagram return carbon to the atmosphere?

|a. |by way of precipitation |

|b. |through the process of photosynthesis |

|c. |by breaking down sugar molecules during respiration |

____ 6. What is the source of carbon in fossil fuels?

|a. |combustion and respiration |

|b. |carbon captured during nitrogen fixation |

|c. |the buried remains of long-dead organisms |

|d. |carbon dioxide in ground water |

____ 7. Carbon dioxide is being released into the atmosphere in increasing quantities, causing it to

hold heat. This causes

|a. |the temperature of land to rise. |c. |global warming. |

|b. |the temperature of the ocean to rise. |d. |All of the above |

____ 8. What step(s) could be taken to help reduce the emission of carbon dioxide into the atmosphere?

|a. |Decrease combustion. |c. |Cut fewer trees. |

|b. |Plant more plants. |d. |All of the above |

____ 9. Carbon dioxide and water are released as byproducts of

|a. |combustion. |c. |photosynthesis. |

|b. |respiration. |d. |decomposition. |

____ 10. Most animals get the nitrogen they need by

|a. |breathing. |c. |"fixing" nitrogen. |

|b. |eating other organisms. |d. |drinking water. |

____ 11. Pioneer species are adapted for growing well in ____ habitats.

|a. |newly exposed |c. |disturbed |

|b. |Mature |d. |Both (a) and (c) |

____ 12. Which of the following types of succession would most likely occur after a forest fire?

|a. |primary succession |c. |secondary succession |

|b. |old field succession |d. |lake succession |

____ 13. As you walk to school, you notice some moss growing in a crack in the sidewalk.

This is an example of

|a. |a pioneer species. |c. |secondary succession. |

|b. |primary succession. |d. |Both (a) and (b) |

____ 14. The second year after a farmer stops growing crops, weeds such as horseweed appear.

How did the new species of plants get there?

|a. |Their seeds may have blown into the field by the wind. |

|b. |Insects may have carried their seeds. |

|c. |Birds may have carried their seeds. |

|d. |all of the above |

____ 15. In the early stages of succession,

|a. |only a few species grow in an area. |c. |most species are small. |

|b. |species grow rapidly. |d. |All of the above |

____ 16. Which statement best describes a plant that is likely to be a pioneer species?

|a. |It grows slowly and needs a lot of light. |

|b. |It grows quickly and prefers shade. |

|c. |It grows quickly and thrives in bright sunshine. |

|d. |It grows tall and produces few seeds. |

____ 17. Water changes from a liquid to a vapor during

|a. |precipitation. |c. |evaporation. |

|b. |respiration. |d. |decomposition. |

____ 18. Bacteria are essential to

|a. |combustion. |c. |nitrogen fixation. |

|b. |photosynthesis. |d. |evaporation. |

____ 19. Which of the following statements about cycles of matter is true?

|a. |Matter is lost in each cycle. |

|b. |Human activity has little or no impact on cycles. |

|c. |Each cycle involves evaporation and condensation. |

|d. |Matter is moved between the physical environment and living organisms. |

Study the diagram below, and answer the questions that follow.

[pic]

____ 20. The process represented by arrow 1 in the diagram above is

|a. |transpiration. |c. |condensation. |

|b. |precipitation. |d. |evaporation. |

____ 21. The process represented by arrow 3 in the diagram above is

|a. |transpiration. |c. |condensation. |

|b. |precipitation. |d. |evaporation. |

____ 22. Drinking after running on a hot day replaces water lost through

|a. |condensation. |c. |transpiration. |

|b. |respiration. |d. |combustion. |

____ 23. Approximately 91 percent of the Earth’s ____ falls on the ocean.

|a. |nitrogen |c. |water |

|b. |carbon |d. |precipitation |

____ 24. Water that seeps into the ground, where it is stored in underground caverns or in porous rock,

is called

|a. |runoff. |c. |ground water. |

|b. |deposition. |d. |lakes. |

____ 25. Organisms need nitrogen to

|a. |breathe. |c. |build proteins and DNA. |

|b. |break down carbon molecules. |d. |build sugars. |

____ 26. When fungi and bacteria decompose organic matter, they return ____ to the environment.

|a. |Oxygen |c. |nitrogen |

|b. |Carbon |d. |Both (b) and (c) |

____ 27. Which statement best describes succession?

|a. |It takes place only in communities affected by forest fires. |

|b. |It occurs through predictable stages over time. |

|c. |It usually happens in abandoned fields. |

|d. |all of the above |

____ 28. If you hold a jar over a lit candle, a dark residue forms on the inside of the jar. This residue is

|a. |oxygen. |c. |nitrogen. |

|b. |carbon. |d. |water. |

____ 29. In the later stages of succession,

|a. |only a few species grow in an area. |c. |many species are usually present. |

|b. |species grow rapidly. |d. |a stable hardwood forest will grow. |

____ 30. Approximately 78 percent of the Earth’s atmosphere is nitrogen gas. How do we get this

nitrogen from the atmosphere to use for building proteins?

|a. |by breathing air |c. |by eating plants |

|b. |by eating animals or their products |d. |Both (b) and (c) |

Cycles in Nature (version A)

Answer Key

MULTIPLE CHOICE

1. ANS: D

2. ANS: A

3. ANS: C

4. ANS: A

5. ANS: C

6. ANS: C

7. ANS: D

8. ANS: D

9. ANS: B

10. ANS: B

11. ANS: A

12. ANS: C

13. ANS: D

14. ANS: D

15. ANS: D

16. ANS: C

17. ANS: C

18. ANS: C

19. ANS: D

20. ANS: D

21. ANS: A

22. ANS: C

23. ANS: D

24. ANS: C

25. ANS: C

26. ANS: D

27. ANS: B

28. ANS: B

29. ANS: C

30. ANS: D

Cycles In Nature Pretest B Name - ________________________

Identify the letter of the choice that best completes the statement or answers the question.

Study the diagram below, and answer the questions that follow.

[pic]

____ 1. The process represented by arrow 3 in the diagram above is

|a. |condensation. |c. |transpiration. |

|b. |precipitation. |d. |evaporation. |

____ 2. The process represented by arrow 1 in the diagram above is

|a. |transpiration. |c. |evaporation. |

|b. |precipitation. |d. |condensation. |

____ 3. Bacteria are essential to

|a. |evaporation. |c. |photosynthesis. |

|b. |nitrogen fixation. |d. |combustion. |

____ 4. Which of the following statements about cycles of matter is true?

|a. |Each cycle involves evaporation and condensation. |

|b. |Matter is lost in each cycle. |

|c. |Human activity has little or no impact on cycles. |

|d. |Matter is moved between the physical environment and living organisms. |

____ 5. Which statement best describes succession?

|a. |It takes place only in communities affected by forest fires. |

|b. |It occurs through predictable stages over time. |

|c. |It usually happens in abandoned fields. |

|d. |all of the above |

____ 6. Carbon from the nonliving environment becomes a part of living organisms through

|a. |respiration. |c. |absorption. |

|b. |photosynthesis. |d. |transpiration. |

____ 7. Water changes from a liquid to a vapor during

|a. |precipitation. |c. |evaporation. |

|b. |respiration. |d. |decomposition. |

____ 8. Which statement best describes a plant that is likely to be a pioneer species?

|a. |It grows quickly and thrives in bright sunshine. |

|b. |It grows slowly and needs a lot of light. |

|c. |It grows quickly and prefers shade. |

|d. |It grows tall and produces few seeds. |

____ 9. Drinking after running on a hot day replaces water lost through

|a. |transpiration. |c. |condensation. |

|b. |combustion. |d. |respiration. |

____ 10. During nitrogen fixation, nitrogen gas is converted into a form that ____ can use.

|a. |plants |c. |fungi |

|b. |animals |d. |All of the above |

Examine the diagram below, and answer the questions that follow.

[pic]

____ 11. How do the living organisms in the diagram return carbon to the atmosphere?

|a. |by way of precipitation |

|b. |by breaking down inorganic molecules during transpiration |

|c. |by breaking down sugar molecules during respiration |

|d. |through the process of photosynthesis |

____ 12. Carbon dioxide is being released into the atmosphere in increasing quantities, causing it to

hold heat. This causes

|a. |the temperature of land to rise. |c. |global warming. |

|b. |the temperature of the ocean to rise. |d. |All of the above |

____ 13. What step(s) could be taken to help reduce the emission of carbon dioxide into the atmosphere?

|a. |Decrease combustion. |c. |Cut fewer trees. |

|b. |Plant more plants. |d. |All of the above |

____ 14. What is the source of carbon in fossil fuels?

|a. |carbon dioxide in ground water |

|b. |carbon captured during nitrogen fixation |

|c. |combustion and respiration |

|d. |the buried remains of long-dead organisms |

____ 15. Which of the following processes produces carbon dioxide?

|a. |decomposition |c. |combustion |

|b. |respiration |d. |all of the above |

____ 16. Approximately 91 percent of the Earth’s ____ falls on the ocean.

|a. |precipitation |c. |nitrogen |

|b. |carbon |d. |water |

____ 17. Which of the following types of succession would most likely occur after a forest fire?

|a. |primary succession |c. |lake succession |

|b. |old field succession |d. |secondary succession |

____ 18. Pioneer species are adapted for growing well in ____ habitats.

|a. |newly exposed |c. |disturbed |

|b. |mature |d. |Both (a) and (c) |

____ 19. Organisms need nitrogen to

|a. |break down carbon molecules. |c. |build proteins and DNA. |

|b. |breathe. |d. |build sugars. |

____ 20. Carbon dioxide and water are released as byproducts of

|a. |combustion. |c. |decomposition. |

|b. |photosynthesis. |d. |respiration. |

____ 21. Approximately 78 percent of the Earth’s atmosphere is nitrogen gas. How do we get this nitrogen

from the atmosphere to use for building proteins?

|a. |by breathing air |c. |by eating plants |

|b. |by eating animals or their products |d. |Both (b) and (c) |

____ 22. Water that seeps into the ground, where it is stored in underground caverns or in porous rock,

is called

|a. |runoff. |c. |ground water. |

|b. |deposition. |d. |lakes. |

____ 23. As you walk to school, you notice some moss growing in a crack in the sidewalk. This is an

example of

|a. |a pioneer species. |c. |secondary succession. |

|b. |primary succession. |d. |Both (a) and (b) |

____ 24. In the later stages of succession,

|a. |only a few species grow in an area. |c. |species grow rapidly. |

|b. |a stable hardwood forest will grow. |d. |many species are usually present. |

____ 25. The second year after a farmer stops growing crops, weeds such as horseweed appear.

How did the new species of plants get there?

|a. |Their seeds may have blown into the field by the wind. |

|b. |Insects may have carried their seeds. |

|c. |Birds may have carried their seeds. |

|d. |all of the above |

____ 26. If you hold a jar over a lit candle, a dark residue forms on the inside of the jar. This residue is

|a. |nitrogen. |c. |oxygen. |

|b. |carbon. |d. |water. |

____ 27. In the early stages of succession,

|a. |only a few species grow in an area. |c. |most species are small. |

|b. |species grow rapidly. |d. |All of the above |

____ 28. When fungi and bacteria decompose organic matter, they return ____ to the environment.

|a. |oxygen |c. |nitrogen |

|b. |carbon |d. |Both (b) and (c) |

____ 29. Which of the following substances must be chemically transformed before it can be used

by plants?

|a. |nitrogen gas |c. |oxygen |

|b. |carbon dioxide |d. |Water |

____ 30. Most animals get the nitrogen they need by

|a. |breathing. |c. |"fixing" nitrogen. |

|b. |eating other organisms. |d. |drinking water. |

Cycles in Nature (version B)

Answer Key

MULTIPLE CHOICE

1. ANS: C

2. ANS: C

3. ANS: B

4. ANS: D

5. ANS: B

6. ANS: B

7. ANS: C

8. ANS: A

9. ANS: A

10. ANS: A

11. ANS: C

12. ANS: D

13. ANS: D

14. ANS: D

15. ANS: D

16. ANS: A

17. ANS: D

18. ANS: A

19. ANS: C

20. ANS: D

21. ANS: D

22. ANS: C

23. ANS: D

24. ANS: D

25. ANS: D

26. ANS: B

27. ANS: D

28. ANS: D

29. ANS: A

30. ANS: B

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