the main function of photosynthesis is the A. production of 02. B. conversion of light energy to chemical energy. OC. production of ATP. O D. consumption of CO2. O E. production of starch.
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- The light reactions of photosynthesis provide A. RuBP B. carbon dioxide C. chemical energy D. carbohydrate E. ADP1. Which of the following does NOT happen during the light-dependent reactions of photosynthesis?A. ATP is producedB. Oxygen is producedC. NADPH is producedD. Glucose is produced 2. The overall source of energy for photosynthesis is:A. energy released when water is split, and oxygen is producedB. energy from NADPHC. light energy from the sun D. energy from ATP 3. John Dela Cruz grew algae in the presence of a poison that stops the lightindependent reactions of photosynthesis. As a result, which molecules will the light-dependent reactions stop producing?A. ADP and NADP+B. ADP and NADPHC. ATP and NADP+D. ATP and NADPHWhich of the following options best explains how less chlorophyll would affect the proces of photosynthesis in plants? 6. A. It would increase the rate of photosynthesis because of the increased production of food. B. It would limit the amount water plants are able to take in, resulting in a slower rate of photosynthesis. C. It would increase the production of oxygen because the plant would need to work hard to feed themselves. С. D. It would limit the amount of light absorbed by the plant and decrease the amount of food the plant is able to produce for itself.
- 1. Which of the following is not a product of the light-dependent reactions of photosynthesis?A. O2B. ATPC. SugarD. NADPH 2. When a photon of light energy reaches a reaction center chlorophyll molecule, what becomes excited?A. a molecule of water vapor C. an atom of oxygenB. a carbon dioxide molecule D. an electron 3. Two sets of reactions take place within the process of photosynthesis. Describe how does one set of reactions influence the other? A. The raw materials (reactants) of the light reactions (H2O) are reused in the Calvin cycle. B. There is no influence. Each set of reactions occurs separately, and they have nothing in common. C. Products of the light reaction (NADP+ and ADP + P) enter the Calvin cycle; products of the Calvin cycle (NADPH and ATP) are sent back to the light reactions. D. Products of the light reaction (NADPH and ATP) enter the Calvin cycle; products of the Calvin cycle (NADP+ and ADP + P) are sent back to the light reaction.Which of the following are inputs to photosynthesis? Choose all that apply. Which are outputs? Choose all that apply. a. CO2 b. O2 c. sugar d. H2O e. lightKami upgnade captures energy from the sun and uses it to produce sugar and 1. The process of. oxygen from carbon dioxide and water. of plant cells. 2. Photosynthesis occurs in the 3. Chlorophyll is a that captures light. 4. The is used to pass excited electrons in the thylakoid membrane. 5. Carbon dioxide and water are in the process of photosynthesis. 6. Photosynthesis helps cycle and in living systems. 7. Vocabulary Write a short paragraph about photosynthesis using the terms plant, chloroplast, chlorophyll, pigment, sugar, oxygen, and sunlight. Ce %24 %6 & 3 4. 5n 6 7 8. 9. e y h k 0O
- Photosynthesis A. is the only energy-generating pathway for plants, cyanobacteria, and algae. B. consist two stages: light-dependent stage which fix CO₂, light-independent stage which generate glucose. C. can capture and convert energy from light to chemical energy in the form of ATP and NADPH. D. oxidize organic carbon molecule to CO₂, while reduce water to oxygen.Which of the following are reactants of the light reactions of photosynthesis. A. Glucose B. Water C. ATP D. NADP E. Light energy F. NADPH G. Carbon dioxide H. OxygenThe products of the light-dependent reactions feed intoa. the Calvin cycle. c. glycolysis.b. photosystem I. d. the Krebs cycle
- The light dependent reactions of photosynthesis are characterized by A. oxidation of carbon dioxide, release of oxygen, synthesis of glucose. B. release of oxygen, fixation of carbon dioxide, hydrolysis of ATP. C. oxidation of water, reduction of NADP+ , hydrolysis of ATP. D. reduction of oxygen, oxidation of NADPH, formation of ATP. E. oxidation of water, reduction of NADP+ , formation of ATP.The role of photosystem 1 and photosystem 2 in the process of photosynthesis is to a. absorb sunlight and distribute the energy as heat b. absorb sunlight and transfer the energy to electrons c. form ATP as hydrogen ions cross the thylakoid membrane d. transfer electrons to form NADPHPhotosynthesis takes place mostly in a. plants. b. the leaf. d. the chloroplast. mesophyll. All of these. d Oe b