Photo Cell Resp Practice. A. ATP B. oxygen C. DNA D. water. The following equation represents the process of photosynthesis in green plants.

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1 Name: ate: 1. Which molecule supplies the energy for cellular functions?. TP. oxygen. N. water 2. Photosynthesis The following equation represents the process of photosynthesis in green plants. What happens to most of the light energy during photosynthesis?. It is transformed into heat energy.. It is transformed into chemical energy.. It is changed into carbon dioxide.. It is changed into oxygen. 3. The following equation represents the process of photosynthesis in green plants. (arbon ioxide + Water, in the Presence of Light and hlorophyll Sugar + Oxygen) What happens to most of the light energy during photosynthesis?. It is transformed into heat energy.. It is transformed into chemical energy.. It is changed into carbon dioxide.. It is changed into oxygen. page 1

2 4. sprig of an Elodea plant was placed in a test tube as shown below. The test tube was then placed in sunlight for 6 hours. The bubbles of gas in the diagram are composed mainly of. carbon monoxide. carbon dioxide. nitrogen. oxygen 5. student picked up all off a shelf and threw it. Which of the following would show the flow of energy from its source?. Light energy from the sun chemical energy in food chemical energy in the student mechanical energy in the ball. Light energy from the sun chemical energy in the student chemical energy in food mechanical energy in the ball. hemical energy in the student mechanical energy in the ball chemical energy in food light energy from the sun. hemical energy in the student chemical energy in food mechanical energy in the ball light energy from the sun In the process of photosynthesis, light energy is used to split water into hydrogen and oxygen. The hydrogen combines with carbon dioxide to ultimately produce.. glucose. nitrates. chlorophyll. hydrogen peroxide 7. Plants, like all other organisms, are composed of cells. group of students placed spinach leaves in a beaker of water in full sunlight. fter several hours, small bubbles appeared on the leaves. These bubbles probably consisted of.. H 2 O. O 2. O 2. H 2 page 2

3 8. Which of the following best describes how plants use the energy they receive from sunlight?. They change water into heat.. They produce their own food.. They make minerals for their roots.. They break down nutrients into rocks. 9. Which of the following materials are direct products of photosynthesis?. fats and starches. oxygen and sugar. proteins and amino acids. carbon dioxide and water 10. Which of the following statements best describes photosynthesis?. arbon dioxide and water are turned into sugar and oxygen.. Sugar and oxygen are turned into water and carbon dioxide.. Oxygen and carbon dioxide are turned into water and sugar.. Water and sugar are turned into oxygen and carbon dioxide. 11. yanide is a powerful poison because it inhibits an enzyme in mitochondria, preventing the transfer of energy during one of the steps in cellular respiration. This poison would directly affect the production of which of the following molecules?. TP. glucose. oxygen. RN page 3

4 12. The graph below shows the amount of TP produced in a cell during a period of time. ccording to the graph, which of the following processes must have increased between points and?. cellular respiration. cytokinesis. N replication. meiosis 13. Which of the following occurs during photosynthesis?. O 2 is used to produce water.. O 2 is absorbed by mitochondria.. O 2 and H 2 O are converted to carbohydrates.. O 2 and H 2 O are combined into carbonic acid. 14. In which of the following ways are photosynthesis and cellular respiration alike?. oth processes produce glucose.. oth processes consume carbon dioxide.. oth processes take place in chloroplasts.. oth processes involve energy transformations. 15. Many land plants store energy in starch. When energy is needed, the starch molecules can be broken down quickly. This chemical reaction produces which of the following?. amino acids. lipids. monosaccharides. RN chains page 4

5 16. Which of the following most likely happens in the cells of a person running in the oston Marathon?. The respiration rate increases to produce more TP.. The replication rate increases to produce more N.. The photosynthesis rate increases to produce more sugars.. The cell division rate increases to produce more muscle fibers. 17. oth photosynthesis and cellular respiration involve all of the following except. chlorophyll.. glucose.. oxygen.. water. 18. Which of the following statements correctly describes the processes of photosynthesis and cellular respiration?. Photosynthesis and cellular respiration occur in the same organelle.. Photosynthesis and cellular respiration are performed by all organisms.. Photosynthesis produces carbon dioxide, and cellular respiration uses carbon dioxide.. Photosynthesis stores energy for cells, and cellular respiration releases energy for cells. 19. n equation for a biochemical reaction is shown below. Which of the following happens during this reaction?. Energy from TP is used to make glucose.. P adds a high-energy bond to its structure.. P is metabolized to provide oxygen to a cell.. Energy is stored in the molecule TP for future use. page 5

6 20. Which of these best explains the difference between the way animals and plants exchange gases with their environments?. nimals use only photosynthesis, while plants use both photosynthesis and respiration.. nimals use only respiration, while plants use both photosynthesis and respiration.. nimals use both photosynthesis and respiration, while plants use only respiration.. nimals use both photosynthesis and respiration, while plants use only photosynthesis. 21. Which of these would lead to a lower rate of photosynthesis in a plant?. an increase in the amount of oxygen in the air. a decrease in the amount of oxygen in the air. an increase in the amount of carbon dioxide in the air. a decrease in the amount of carbon dioxide in the air 22. Which statement describes a way in which cellular respiration differs from photosynthesis?. ellular respiration consists of two phases.. ellular respiration releases carbon dioxide.. ellular respiration provides energy for the cell.. ellular respiration is carried out in one specific organelle. 23. Which statement best distinguishes aerobic from anaerobic respiration?. Only aerobic respiration involves fermentation.. Only anaerobic respiration occurs in the mitochondria.. Only aerobic respiration requires oxygen.. Only anaerobic respiration produces carbon dioxide. page 6

7 24. Which most accurately describes the difference in TP production between aerobic respiration and anaerobic respiration?. erobic respiration produces more TP than anaerobic respiration.. naerobic respiration produces more TP than aerobic respiration.. Only anaerobic respiration produces measurable amounts of TP.. naerobic and aerobic respiration produce the same amount of TP. 25. Which organism is most likely to use anaerobic respiration?. bird. moss. tree. yeast 26. The bacteria that cause tetanus can survive in a puncture wound that has healed on the outer surface of the skin. Through what process do these bacteria acquire the energy they need to survive?. aerobic respiration. anaerobic respiration. chemosynthesis. photosynthesis 27. In terms of TP production, which process results in the most stored energy?. aerobic respiration. anaerobic respiration. fermentation. photosynthesis 28. In which way are photosynthesis and cellular respiration different?. ellular respiration stores TP, while photosynthesis releases TP.. ellular respiration produces oxygen, while photosynthesis uses oxygen.. Photosynthesis releases energy, while cellular respiration stores energy.. Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide. 29. Which two processes work together to cycle oxygen through an ecosystem?. respiration and precipitation. evaporation and precipitation. respiration and photosynthesis. evaporation and photosynthesis page 7

8 30. Which gas is forming in the test tube shown above?. carbon dioxide. hydrogen. oxygen. nitrogen 31. Which of the following is broken down in the body to release energy?. sugar. water. salt. oxygen 32. Which of the following is produced when sugar is digested in an animal cell?. carbon dioxide. chlorophyll. oxygen. sunlight 33. uring photosynthesis in plants, what is the source of the carbon in the sugar molecule ( 6 H 12 O 6 )?. carbon dioxide in the air. carbon monoxide in the air. carbon particles in the soil. carbon particles in water 34. The first stage of photosynthesis in a chloroplast is. light-dependent.. temperature-dependent.. glucose-driven.. TP-driven. 35. Which molecule in plant cells first captures the radiant energy from sunlight?. glucose. carbon dioxide. chlorophyll. adenosine triphosphate page 8

9 36. In aerobic respiration, the Krebs cycle (citric acid cycle) takes place in. chloroplasts.. nuclei.. lysosomes.. mitochondria. 37. The process of cellular respiration occurs in. both plant and animal cells.. plant cells only.. animal cells only.. neither plant nor animal cells. 38. Which of these supply the main energy source used in cellular respiration?. lipids. amino acids. nucleic acids. carbohydrates 39. The energy required for photosynthesis is provided by. proteins. sunlight. chlorophyll. carbohydrates 40. Use the information and the graph below to answer the following question(s). group of students measured the volume of air they exhaled during three different activities: sitting, walking, and running. The volume of exhaled air is directly related to the amount of carbon dioxide produced. The data the students collected are summarized in the graph below. MESUREMENT OF EXHLE IR Which of these processes produces carbon dioxide?. mitosis. diffusion. respiration. photosynthesis page 9

10 41. Which of the following pairs of materials is required for a cell to carry on respiration?. water and oxygen. glucose and oxygen. water and carbon dioxide. glucose and carbon dioxide 42. romothymol blue solution turns from blue to green when small amounts of carbon dioxide are released into the solution. water sample is suspected of being contaminated with bacteria. romothymol blue would be most useful in detecting which biological process carried out by these bacteria?. cellular respiration. cell division. photosynthesis. fertilization 43. Which summary equation represents a process that releases the greatest amount of energy from a molecule of glucose?. glucose 2 lactic acid. glucose 2 ethyl alcohol + 2 carbon dioxide. glucose + 6 oxygen 6 water + 6 carbon dioxide. glucose + fructose sucrose + water 44. In the respiratory pathway of some organisms, when oxygen is unavailable, pyruvic acid is converted to. peptide chains. hydrolytic enzymes. lactic acid. nucleic acid 45. This series of reactions includes the process known as. digestion. dehydration synthesis. fermentation. hydrolysis 46. This equation represents a process that occurs in both plants and animals. glucose + oxygen enzymes water + carbondioxide + 36 TP Within which organelles are most of the 36 TP molecules produced?. ribosomes. endoplasmic reticula. nuclei. mitochondria 47. erobic cellular respiration requires an adequate supply of. oxygen. carbon dioxide. ethyl alcohol. starch page 10

11 48. When glucose molecules are fermented by yeast, the products formed include molecules of. glycogen. alcohol. oxygen. cellulose 49. ll the arrows are associated with the process of. carbon fixation. photochemical reaction. anaerobic respiration. aerobic respiration 50. Letter X most likely represents. TP. maltose. lactic acid. PGL page 11

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