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- 1. Multiple Choice
The main source of energy for all life comes from ____.the Earththe moonthe sunthe food we eat/make - 2. Multiple ChoiceChlorophyll absorbs a higher percentage of _____ and _______ light.purple and greenred and blueblack and orangeyellow and green
- 3. Multiple ChoiceMost plants appear green because chlorophyllabsorbs green light.absorbs violet light.reflects green light.does not absorb violet light.
- 4. Multiple ChoiceThe reactants of photosynthesis aresugar and water.sugar and oxygen.carbon dioxide and water.carbon dioxide and oxygen.
- 5. Multiple ChoiceWhich statement about photosynthesis is correct?Plants get the energy they need for photosynthesis from water.Plants get the energy they need for photosynthesis from soil.Plants get the energy they need for photosynthesis from sunlight.Plants do not require energy to perform photosynthesis.
- 6. Multiple ChoiceWhat are the products of photosynthesis?Carbon dioxide and waterCarbon dioxide and oxygenGlucose and oxygenGlucose and water
- 7. Multiple ChoiceWhat pigment absorbs sunlight for photosynthesis?chloroplastthylakoidgranachlorophyll
- 8. Multiple ChoiceWhich of the following is the correct equation for PHOTOSYNTHESIS?6CO2 + 6H2O --> 6O2 + C6H12O66CO2 + C6H12O6 + 6H2O --> O26O2 + 6H2O --> 6CO2 + C6H12O6C6H12O6 + 6O2 ---> 6H2O + 6CO2
- 9. Multiple ChoiceWhich gas is removed from the atmosphere during photosynthesis?hydrogenoxygennitrogencarbon dioxide
- 10. Multiple ChoiceWhat is the function of NADPH and ATP?They absorb lightThey power the light-dependent reactionsThey are light-reflecting pigmentsThey are short term energy carriers
- 11. Multiple ChoiceWhere do the light-dependent reactions occur?thylakoid membranestromamesophyllmitochondria
- 12. Multiple ChoiceWhich of the following is NOT a product of the light-dependent reactions?ATPNADPHOxygenGlucose
- 13. Multiple ChoiceWhat is the primary function of the light-dependent reactions of photosynthesis?To produce glucoseTo produce NADPH and ATPTo use ATPTo produce RuBP
- 14. Multiple ChoiceWhich substance from the light-dependent reactions of photosynthesis is a source of energy for the light-independent reactions?ADPH2ONADPHpyruvic acid
- 15. Multiple ChoiceUse the diagram to answer the question. Between which parts of the molecule must the bonds be broken to form an ADP molecule?A and BA and CB and CC and D
- 16. Multiple ChoiceMost plants appear green because chlorophyllabsorbs green light.absorbs violet light.does not absorb green light.does not absorb violet light.
- 17. Multiple ChoicePlants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis?The light-dependent stageThe light-independent stage (The Calvin Cycle)The electron transport chainATP formation
- 18. Multiple ChoiceUse the diagram to answer the question. Which chemical is an electron carrier molecule?H2Ocarbon dioxideNADP+oxygen
- 19. Multiple ChoiceHow many sugar molecules are produced from every six molecules of carbon dioxide that enter the Calvin cycle?13612
- 20. Multiple ChoiceIs ADP or ATP more like a fully charged battery, and why?ADP, because it has three phosphate groups; breaking and reforming the bonds among them releases energy.ATP, because it has three phosphate groups; breaking and reforming the bonds among them releases energy.ADP, because it has two phosphate groups; breaking and reforming the bonds among them releases energy.ATP, because it has two phosphate groups; breaking and reforming the bonds among them releases energy.
- 21. Multiple ChoiceWhich of the following best describes photosynthesis?Photosynthesis converts radiant energy into chemical energy.Photosynthesis produces carbohydrates.Plants need sunlight, carbon dioxide, water, nutrients, and chlorophyll to complete photosynthesis.Plants use chlorophyll, water, and carbon dioxide to make sugar.
- 22. Multiple ChoiceIn which organelle does photosynthesis occur?mitochondriastomataxylemchloroplast
- 23. Multiple ChoiceWhch pigments absorbs green and blue light but reflects orange and red light?CarotenoidsChlorophylls
- 24. Multiple ChoiceFrom which molecule does a plant get most of its mass?carbon dioxidewatersunlightsoil
- 25. Multiple ChoiceWhich product is produced during the light-dependent reactions?wateroxygenglucosecarbon dioxide
- 26. Multiple ChoiceWhich of the following is considered a waste product of photosynthesis?glucoseoxygencarbon dioxidesunlight
- 27. Multiple ChoiceAnimal cells do not have chloroplasts.TRUEFALSE
- 28. Multiple ChoiceLight energy is used tosplit water into H and Oweld C, H and O togethermake water
- 29. Multiple ChoiceIf H is combined with CO2 glucose can be made.TRUEFALSE
- 30. Multiple ChoiceChloroplasts are organelles found in leaves.TRUEFALSE
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