Photosynthesis and Respiration Sample Regents Questions What does the process of photosynthesis produce? 1. starch, which is metabolized into less complex molecules by dehydration synthesis 2. protein, which is metabolized into less complex molecules by dehydration synthesis 3. glycerol, which is metabolized into more complex carbohydrates by dehydration synthesis 4. glucose, which is metabolized into more complex carbohydrates by dehydration synthesis Which process provides most of the oxygen found in Earth's atmosphere? 1. 2. 3. 4. photosynthesis aerobic respiration dehydration synthesis fermentation A compound that is synthesized by both humans and geranium plants is 1. 2. 3. 4. cellulose ATP ethyl alcohol chlorophyll In humans, which substance is produced anaerobically during strenuous activity? 1. 2. 3. 4. lactic acid glycogen carbon dioxide alcohol In the process of photosynthesis, chlorophyll serves as 1. 2. 3. 4. an end-product a raw material an energy converter a hydrogen acceptor Which color light is least important to a green plant during photosynthetic activities? 1. 2. 3. 4. green yellow blue orange Photosynthesis and Respiration Sample Regents Questions In living plants, when does respiration occur? 1. 2. 3. 4. only during digestion only in the daytime only in total darkness all the time Photosynthesis and Respiration Sample Regents Questions Photosynthesis and Respiration Sample Regents Questions Photosynthesis and Respiration Sample Regents Questions Respiration 1. The greatest number of molecules of ATP is produced as a result of a. aerobic respiration b. anaerobic respiration c. fermentation of lactic acid d. fermentation by yeast cells 2. Which statement concerning the process of aerobic respiration is true? a. It is identical to the process of burning. b. It is quite similar in all organisms c. It usually does not involve organic catalysts d. it usually does not involve carbon dioxide production 3. During which process is oxygen used by green plants? a. photosynthesis b. osmosis c. hydrolysis d. respiration 4. To start the oxidation of one molecule of glucose, two molecules of ATP must be used because a. certain chemical reactions in a living cell require activation energy b. this is a spontaneous reaction which does not require energy input c. the glucose molecule does not contain potential energy d. all chemical reactions release energy 5. The aerobic respiration of a molecule of glucose releases more energy than the anaerobic respiration of a molecule of glucose because, in aerobic respiration, a. carbon dioxide is used b. more chemical bonds are broken c. oxygen is released d. lactic acid is formed 6. In green plant cells, oxygen is used primarily for the process of a. dehydration synthesis b. photosynthesis 7. 8. 9. 10. 11. c. respiration d. capillary action IN animals, the organelles in which cellular respiration occurs is known as the a. ribosomes b. chloroplasts c. nuclear membranes d. mitochondria Within a plant cell, the glucose formed as a result of photosynthesis may be used directly as a. an energy source during cellular respiration b. an enzyme for intracellular digestion c. an absorber of radiant energy d. a source of molecular oxygen Most animals make energy available for cell activity by transferring the potential energy of glucose to ATP. This process occurs during a. aerobic respiration, only b. anaerobic respiration, only c. both aerobic and anaerobic respiration d. neither aerobic nor anaerobic respiration Which of the following processes releases the greatest amount of energy? a. the oxidation of one glucose molecule to lactic acid molecules b. the oxidation of one glucose molecule to carbon dioxide and water molecules c. the conversion of two glucose molecules to a maltose molecule d. the conversion of one glucose molecule to alcohol and carbon dioxide molecules The oxidation of a glucose molecule results in the synthesis of ATP, water, and carbon dioxide. This process is known as a. anaerobic respiration b. aerobic respiration c. photochemical reactions of photosynthesis d. carbon-fixation reactions of photosynthesis Photosynthesis and Respiration Sample Regents Questions 12. A similarity in the aerobic respiratory activity of animals is the a. gasses used and produced b. net gains of four ATP molecules c. type of alcohol produced d. temperature of the respiratory organs Photosynthesis 1. In photosynthesis, chlorophyll functions in changing a. glucose molecules to starch b. water and carbon dioxide to sugar c. light energy to chemical bond energy d. hydrogen bonds to water 2. Over a 24-hour period, which factor would have the least effect upon the rate of photosynthesis in a geranium plant? a. concentration of carbon dioxide in the air b. quantity of nitrates in the soil c. wavelengths of light d. availability of water in the soil 3. The basic inorganic materials used during photosynthesis are a. H2O and C6H12O6 b. O2 and CO2 c. H2O and CO2 d. C6H12O6 and CO2 4. In the photosynthesis reaction, which event normally occurs before the other three? a. oxygen release b. water absorption c. PGAL synthesis d. glucose formation 5. By which process are CO2 and H2O converted to carbohydrates? a. transpiration b. respiration c. fermentation d. photosynthesis 6. At optimum light intensity, which atmospheric gas most directly influence the rate of photosynthesis? a. nitrogen b. oxygen c. carbon dioxide d. hydrogen 7. SKIP 8. Most of the oxygen in the atmosphere results from the process of a. fermentation b. photosynthesis c. regulation d. respiration
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