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Name _____________ Class _________ Date __________ Unit Test 3: Cell Respiration & Photosynthesis Page 1 A) transport B) regulation C) fermentation D) photosynthesis 1. Which process is a form of autotrophic nutrition? A) It occurs in animal cells but not in plant cells. B) It converts energy in food into a more usable form. C) It uses carbon dioxide and produces oxygen. D) It stores energy in food molecules. 2. Which statement best describes cellular respiration? A) DNA B) starch C) hormones D) ATP 3. The energy an organism requires to transport materials and eliminate wastes is obtained directly from A) chemical bonds between carbon atoms are formed during photosynthesis B) energy stored in chemical bonds is released during cellular respiration C) energy stored in nitrogen is released, forming amino acids D) digestive enzymes break amino acids into smaller parts 4. ATP is a compound that is synthesized when A) digestion B) hydrolysis C) photosynthesis D) respiration 5. By which process is the potential energy of organic molecules transferred to a form of energy that is usable by the cells? A) necessary nutrients are circulated B) hydrogen is used to synthesize glucose C) metabolic wastes are absorbed D) chemical energy is converted into a usable form 6. Respiration is best described as a process by which A) growth B) respiration C) regulation D) excretion 7. Which process is represented by the arrow in the diagram below? A) Sugar B) Lipids C) Proteins D) genetic material 8. Which of the following is the primary nutrient used in metabolism? A) Mitochondria and chloroplasts, respectively B) Nucleus and chloroplasts, respectively C) The cell membrane and mitochondria, respectively D) The cell membrane and the nucleus 9. Which of the following organelles carry out cellular respiration and photosynthesis, respectively. A) diffusion synthesis active transport B) digestion diffusion cellular respiration C) digestion excretion cellular respiration D) synthesis active transport excretion 10. Arrows A, B, and C in the diagram below represent the processes necessary to make the energy stored in food available for muscle activity. The correct sequence of processes represented by A, B, and C is A) reproduce asexually B) become dormant C) exist without respiration D) make their own food 11. Autotrophs might survive when heterotrophs cannot, because autotrophs are able to A) carnivores B) producers C) decomposers D) herbivores 12. Which type of organism helps to reduce atmospheric carbon dioxide? A) a cow eating grass in a field B) a mushroom digesting a dead log C) an apple tree making its own food D) a tapeworm feeding in the body of a dog 13. Which phrase is an example of autotrophic nutrition?

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Page 1: Name Class Date Unit Test 3: Cell Respiration & Photosynthesis · Unit Test 3: Cell Respiration & Photosynthesis Page 1 A)transport B)regulation ... 6.Respiration is best described

Name _____________ Class _________ Date __________Unit Test 3: Cell Respiration & Photosynthesis

Page 1

A) transport B) regulationC) fermentation D) photosynthesis

1. Which process is a form of autotrophic nutrition?

A) It occurs in animal cells but not in plant cells.B) It converts energy in food into a more usable

form.C) It uses carbon dioxide and produces oxygen.D) It stores energy in food molecules.

2. Which statement best describes cellular respiration?

A) DNA B) starchC) hormones D) ATP

3. The energy an organism requires to transportmaterials and eliminate wastes is obtained directlyfrom

A) chemical bonds between carbon atoms areformed during photosynthesis

B) energy stored in chemical bonds is releasedduring cellular respiration

C) energy stored in nitrogen is released, formingamino acids

D) digestive enzymes break amino acids intosmaller parts

4. ATP is a compound that is synthesized when

A) digestion B) hydrolysisC) photosynthesis D) respiration

5. By which process is the potential energy of organicmolecules transferred to a form of energy that isusable by the cells?

A) necessary nutrients are circulatedB) hydrogen is used to synthesize glucoseC) metabolic wastes are absorbedD) chemical energy is converted into a usable form

6. Respiration is best described as a process by which

A) growth B) respirationC) regulation D) excretion

7. Which process is represented by the arrow in thediagram below?

A) Sugar B) LipidsC) Proteins D) genetic material

8. Which of the following is the primary nutrient usedin metabolism?

A) Mitochondria and chloroplasts, respectivelyB) Nucleus and chloroplasts, respectivelyC) The cell membrane and mitochondria,

respectivelyD) The cell membrane and the nucleus

9. Which of the following organelles carry out cellularrespiration and photosynthesis, respectively.

A) diffusion   synthesis   active transportB) digestion diffusion cellular respirationC) digestion   excretion   cellular respirationD) synthesis   active transport   excretion

10. Arrows A, B, and C in the diagram below representthe processes necessary to make the energy storedin food available for muscle activity.

The correct sequence of processes represented by A, B, and C is

A) reproduce asexuallyB) become dormantC) exist without respirationD) make their own food

11. Autotrophs might survive when heterotrophscannot, because autotrophs are able to

A) carnivores B) producersC) decomposers D) herbivores

12. Which type of organism helps to reduceatmospheric carbon dioxide?

A) a cow eating grass in a fieldB) a mushroom digesting a dead logC) an apple tree making its own foodD) a tapeworm feeding in the body of a dog

13. Which  phrase  is  an  example  of  autotrophicnutrition?

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A) Increased use of starch in root cellsB) Increased concentration of glucose in leaf cellsC) Decreased ATP in root cellsD) Decreased concentration of oxygen in leaf cells

14. Which phrase, if placed in box X, would correctly complete the flowchart shown below?

A) A fox captures and eats a young rabbit.B) A caterpillar is eaten by a blackbird.C) Lettuce produces organic substances.D) Bacteria change organic material into simple

nutrients.

15. Certain organisms are able to store energy from theSun in energy-rich compounds. Which event bestillustrates this activity?

A) chemical energy in the bonds of inorganicmolecules

B) chemical energy in the bonds of organicmolecules

C) enzymes used to produce inorganic moleculesD) enzymes used to produce organic molecules

16. During the process of photosynthesis, energy fromthe Sun is converted into

A) chloroplasts and vacuolesB) cell walls and ribosomesC) chloroplasts and mitochondriaD) ribosomes and mitochondria

17. Plant cells can synthesize energy-rich organicmolecules, and later break them down to extractthat energy for performing life processes. Theseactivities require direct interaction between the

A) can be used for photosynthesisB) is too large to pass through cell membranesC) is needed for cellular respirationD) can be used for the creation of proteins

18. Much of the carbon dioxide produced by greenplants is not excreted as a metabolic waste becauseit

A) Neither leaf contains starch.B) Both leaves contain the same amount of

starch.C) Leaf A contains more starch than leaf B.D) Leaf B contains more starch than leaf A.

19. Which statement best describes the starch, a type ofcarbohydrate, content of two leaves taken from thesame plant shown in the chart below?

A) carbon dioxide, water, and solar energyB) oxygen, sugar, and solar energyC) carbon dioxide, oxygen, and heat energyD) sugar, water, and heat energy

20. The diagram below represents a plant cell.

For the process of photosynthesis, the arrowlabeled A would most likely represent the directionof movement of

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Base your answers to questions 21 and 22 on the information and diagram below and on yourknowledge of biology.

A small water plant (elodea) was placed in bright sunlight for five hours as indicated below.Bubbles of oxygen gas were observed being released from the plant.

A) dissolved nitrogen B) carbon dioxideC) an enzyme D) a hormone

21. What substance did the plant most likely absorb from the water in order to produce the  oxygengas?

A) producing sugar B) making proteinC) releasing energy from water D) carrying on active transport

22. The bubbles of oxygen indicate that the plant is

A) The slugs with chloroplasts can synthesize someof their own food.

B) The slugs with chloroplasts no longer need tocarry out respiration.

C) The chloroplasts provide the slugs withcamouflage that protects them from UVradiation.

D) The chloroplasts contain enzymes that allowthe slugs to digest starch.

23. Some sea slugs store chloroplasts obtained fromalgae they have ingested. The chloroplasts continueto carry out photosynthesis within the slugs. Whatadvantage would this activity be to these sea slugs?

24. Base your answer to the following question on Theequation below represents a summary of abiological process.

carbon dioxide + water ® glucose + water +oxygen

A) mitochondria B) ribosomesC) cell membranes D) chloroplasts

This process is completed in

A) carbon dioxide B) oxygen atomsC) water molecules D) chemical bonds

25. During the process of cellular respiration, energy isreleased from

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A) 1 B) 2 C) 3 D) 4

26. The diagram below represents a process that occurs in a structure of a specialized cell.

Which row in the chart correctly identifies the letters in the diagram?

A) The amount of oxygen present would decreaseand the amount of carbon dioxide wouldincrease.

B) The amount of glucose present would increaseand ATP would no longer be available.

C) The amount of carbon dioxide present woulddecrease and ATP vvould continue to besynthesized.

D) The amount of oxygen present would increaseand the amount of glucose available woulddecrease.

27. The cells of some organisms contain bothchloroplasts and mitochondria. Which statementdescribes what would happen in these cells if theywere moved from a light environment to a darkone?

A) releases energyB) digests fatsC) synthesizes carbohydrate moleculesD) alters the genetic traits of the cell

28. In the cells of the human body, oxygen moleculesare used directly in a process that

A) chlorophyll is not needed by green plants atnight

B) darkness mutates the chlorophyll genes,causing them to produce a white color

C) light is required for chlorophyll genes to beexpressed

D) genetic information in cells is not influencedby the outside environment

29. Chlorophyll gives plants their green color.Chlorophyll is produced only when plants areexposed to light, so plants kept in darkness have nochlorophyll and appear white. The best explanationfor this is that

A) ATP B) DNAC) sunlight D) starch

30. The energy used to obtain, transfer, and transportmaterials within an organism comes directly from

A) cell divisionB) cellular respirationC) protein synthesisD) DNA replication

31. The temporary storage of energy in ATP moleculesis part of which process?

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A) pH B) sedimentC) light intensity D) colder temperature

32. An ecosystem is represented below.

The organisms represented as algae and seaweed are found in the area shown due to which factor?

33. In 1883, Thomas Engelmann, a German botanist,exposed a strand of algae to different wavelengthsof light. Engelmann used bacteria that concentratenear an oxygen source to determine which sectionsof the algae were releasing the most O2. The resultsare shown below.

A) Oxygen production decreases as thewavelength of light increases from 550 to 650nm.

B) Respiration rate in the bacteria is greatest at550 nm.

C) Photosynthetic rate in the algae is greatest inblue light.

D) The algae absorb the greatest amount ofoxygen in red light.

Which statement is a valid inference based on thisinformation?

A) a hormone B) starchC) nitrogen D) carbon dioxide

34. A student prepared a test tube containing yeast,glucose, and water. After 24 hours, the test tubewas analyzed for the presence of severalsubstances.

What substance would the student expect to find ifrespiration occurred in the test tube?

A) a series of chemical activities that take place inthe mitochondria of fetal cells

B) a series of chemical activities that take placein the mitochondria of the uterine cells

C) the transport of nutrients by the cytoplasm ofthe stomach cells of the mother

D) the transport of nutrients by the cytoplasm ofthe stomach cells of the fetus

35. The direct source of ATP for the development of afetus is

A) They both occur in chloroplasts.B) They both require sunlight.C) They both involve organic and inorganic

molecules.D) They both require oxygen and carbon dioxide.

inorganic produce

36. In what way are photosynthesis and cellularrespiration similar?

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37. Base your answer to the following question on The diagram below represents a biochemicalprocess.

A) DNA B) starch C) protein D) ATP

Which molecule is represented by X?

38. Base your answer to the following question on Aninvestigation was carried out and the results areshown below. Substance X resulted from ametabolic process that produces ATP in yeast (asingle-celled fungus).

A) It is oxygen released by protein synthesis.B) It is glucose that was produced in

photosynthesis.C) It is starch that was produced during digestion.D) It is carbon dioxide released by respiration.

Which statement best describes substance X?

A) water and oxygenB) pyruvic acid and glycerolC) nitrogen gas and ammoniaD) alcohol and carbon dioxide

39. What are possible products of certain types ofanaerobic respiration?

A) aerobic B) anaerobicC) heterotrophic D) saprophytic

40. Which term best defines a bacteria that can survivewithout oxygen?

41. Base your answer to the following question on Thediagram below shows a sequence of events thatoften occurs in human muscle cells.

A) hemoglobin B) glycogenC) ethyl alcohol D) lactic acid

The substance represented by letter X is most likely

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42. Base your answer to the following question on Astudent studied how the amount of oxygen affectsATP production in muscle cells. The data foramount X are shown in the graph below.

A) shorter than bar X and placed to the left of bar X

B) shorter than bar X and placed to the right ofbar X

C) taller than bar X and placed to the left of bar XD) taller than bar X and placed to the right of bar 

X

If the student supplies the muscle cells with less oxygen in a second trial of the investigation, a barplaced on the graph to represent the results of thistrial would most likely be

A) Both reproduce asexually, using binary fissionand regeneration.

B) Both lack a nuclear membrane surroundingthe chromosomes.

C) Both carry out autotrophic nutrition whenfood becomes scarce in the environment.

D) Both produce lactic acid when oxygen is notavailable for respiration.

43. What is one similarity between human skeletalmuscles and some bacteria?

A) muscle fatigueB) protein synthesisC) an increase in alcohol consumptionD) an increase in glucose production

44. The formation of lactic acid in human muscle cellsis most closely associated with

Base your answers to questions 45 and 46 on thechemical reactions below. Select the chemicalreaction,  from the list below, that is most closelyassociated with that statement. 

                       Chemical Reactions:(1) 2 pyruvic acid ® 2 ethyl alcohol + 2CO2  (2) 2 pyruvic acid ® 2 lactic acid (3) 2 pyruvic acid + 6O2 ®                                        6H2O + 6CO2 + 34 ATP

A) 1 B) 2 C) 3 D) 4

45. This reaction occurs in humans when muscle cellsdo not receive an adequate supply of oxygen.

A) 1 B) 2 C) 3 D) 4

46. This reaction is used in the brewing industry.

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Base your answers to questions 47 through 49 on the information and graph below and on your knowledge of biology.

     A student conducts an experiment to determine how the amount of light affects the rae ofoxygen production in a plant. The graph represents the rate of oxygen produced for one trial, X,in the experiment. By the end of the experiment, the plant had not reached maximum oxygenproduction.

47. Identify the biochemical process occurring in this cell that produces the oxygen.

Process: ________________

48. The diagram above represents a cell from the plant being used in the study. Draw an arrow to a cellstructure directly responsible for oxygen production in this cell. The tip of the arrow must touchthe cell structure.

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A) shorter than bar X and placed to the left of bar XB) shorter than bar X and placed to the right of bar XC) taller than bar X and placed to the left of bar XD) taller than bar X and placed to the right of the bar X

49. If a student supplies more light than was received during trial X, a bar placed on the graph torepresent the results would most likely be

50. Base your answer to the following question on the word equations below and on your knowledge ofbiology. The equations represent two biochemical processes that occur in living organisms. Theletter X represents a molecule produced from process 1.

Process 1: oxygen + glucose   carbon dioxide + water + XProcess 2: carbon dioxide + water   oxygen + glucoseIdentify the molecule represented by letter X in process l.

51. Photosynthesis and respiration are two important processes. Discuss one of these processes andexplain its importance to an organism. In your answer, be sure to:

• identify the process being discussed• identify the organelle where this process occurs• identify two raw materials necessary for this process• identify one energy-rich molecule that is produced by this process• state how organisms use the energy-rich molecule that is produced• state how a gas produced by this process is recycled in nature

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Base your answers to questions 52 and 53 on the information below and on your knowledge of biology

     Yeast cells carry out the process of cellular respiration as shown in the equation below.

     An investigation was carried out to determine the effect of temperature on the rate of cellularrespiration in yeast. Five experimental groups, each containing five fermentation tubes, were setup. The fermentation tubes all contained the same amounts of water, glucose, and yeast. Eachgroup of five tubes was placed in a water bath at a different temperature. After 30 minutes, theamount of gas produced (D) in each fermentation tube was measured in milliliters. The averagefor each group was calculated. A sample setup and the data collected are shown below.

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A) smallest amount of CO2

B) smallest amount of glucoseC) smallest amount of ethyl alcoholD) same amounts of glucose, ethyl alcohol, and CO2

50. Compared to the other tubes at the end of 30 minutes, the tubes in group 3 contained the

A) 5°C B) 20°C C) 40°C D) 60°C

53. The maximum rate of cellular respiration in yeast occurred at which temperature?

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Answer KeyUnit Test 3 Cell Respiration & Photosynthesis

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1. D2. B3. D4. B5. D6. D7. B8. A9. A10. B11. D12. B13. C14. B15. C16. B17. C18. A19. D20. A21. B22. A23. A24. D25. D26. D27. A28. A29. C30. A31. B32. C33. C34. D

35. A36. C37. D38. D39. D40. B41. D42. A43. D44. A45. B46. A47. photosynthesis or

 autotrophicnutrition or photolysis

48.

49. D50. ATP or adenosine

triphosphate51. (essay)52. B53. C

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Answer KeyUnit Test 3 Cell Respiration & Photosynthesis

51. Identify the organelle where the process occurs:Photosynthesis: — chloroplastRespiration: — mitochondrion•Acceptable responses include, but are not limited to:Photosynthesis:  — CO2 and H2ORespiration:  — organic molecules and O2 — sugar and oxygen•Acceptable responses include, but are not limited to:Photosynthesis:  — glucoseRespiration:  — ATP•Acceptable responses include, but are not limited to:Glucose:  — to produce ATP  — to produce starchATP:  — to provide energy for metabolism•Acceptable responses include, but are not limited to:Photosynthesis:  — The gas is used for respiration.  — provides O2 for respirationRespiration:  — provides CO2 for photosynthesis  — The gas is used for photosynthesis.