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Exam 1 Extra
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Preguntas del test (32)
1Why do scientists collect ice core samples?
- Ato determine ancient carbon dioxide levels trapped in fossil air
- Bto determine the purity of the frozen water over several years
- Cto estimate the numbers of bacterial colonies in the ice
- Dto measure the heat produced by deep sea thermal vents
2What process converts carbon dioxide and water into glucose and oxygen?
- Aphotosynthesis
- Bcellular respiration
- Cglycolysis
- Dfermentation
3Into what type of energy does the process of photosynthesis transform solar energy?
- Achemical
- Bmechanical
- Cheat
- Dkinetic
4How many membranes surround each chloroplast?
- A1
- B2
- C3
- D4
5Which chloroplast structure increases the amount of surface area that is available for photosynthesis?
- Astroma
- Bchlorophyll
- Cenvelope
- Dthylakoid
6What is the thick fluid found inside chloroplasts?
- Agrana
- Bstroma
- Cchlorophyll
- Dthylakoids
7According to the graph, which wavelengths of light are best absorbed by the chlorophyll pigments found in green leaves?
- A520 nm
- B560 nm
- C620 nm
- D680 nm
8Which equation represents photosynthesis?
- A6CO2 + 6O2 + sunlight → C6H12O6 + 6H2O
- B6H2O + 6CO2 + sunlight → C6H12O6 + 6O2
- CC6H12O6 + 6O2 + sunlight → 6CO2 + 6H2O
- DO2 + H2O + sunlight → C6H12O6 + CO2
9What is the first step of photosynthesis?
- ACalvin cycle
- Blight reactions
- Ccitric acid cycle
- Delectron transport chain
10Where do the light reactions of photosynthesis occur?
- Astroma
- Bouter chloroplast membrane
- Cthylakoids
- Drubisco
11When is oxygen produced during the light reactions?
- ANADP+ is converted to NADPH.
- BCO2 splits apart at the end of the light reactions.
- CElectrons reach the end of the electron transport chain.
- DWater is split to provide replacement electrons to chlorophyll.
12What energy molecule is produced during the light reactions and helps to power the Calvin cycle?
- AATP
- Bglucose
- Csucrose
- DNADP+
13Where does the Calvin cycle of photosynthesis occur?
- Astroma
- Bouter chloroplast membrane
- Cthylakoids
- Drubisco
14What is the initial carbon-containing starting product in the Calvin cycle?
- Aglyceraldehyde 3-phosphate (G3P)
- Bglucose
- Cribulose bisphosphate (RuBP)
- Dsucrose
15Which sugar is produced by the Calvin cycle in excess amounts and converted to glucose by the plant cells?
- Afructose
- Bglyceraldehyde 3-phosphate (G3P)
- CNADPH
- Dribulose bisphosphate (RuBP)
16What is the role of NADP+ in photosynthesis?
- Apick up and drop off electrons
- Bphosphorylate ADP to ATP
- Cconvert carbon dioxide to rubisco
- Dabsorb sunlight energy
17Which process occurs during photosynthesis?
- AThe light reactions produce NADP from sunlight energy.
- BCarbon dioxide reacts with 5-carbon molecules during the Calvin cycle.
- CATP is released at the end of the Calvin cycle.
- DWater captures the electrons released from excited chlorophyll pigments.
18During which process does water vapor exit plant stomata?
- Acondensation
- Bcombustion
- Cevaporation
- Dtranspiration
19What happens during photorespiration?
- AThe Calvin cycle produces twice as much glyceraldehyde 3-phosphate (G3P).
- BThe enzyme rubisco uses oxygen as its substrate for the reaction with ribulose bisphosphate.
- CRibulose bisphosphate (RuBP) is broken down into glycolate.
- DA second wave of light reactions occurs to replace the Calvin cycle.
20What gas do plants release during photorespiration?
- Awater vapor
- Boxygen
- Ccarbon dioxide
- Dcarbon monoxide
21When can photorespiration occur in plants?
- Awhen stomata are closed
- Bwhen oxygen levels inside the leaf are low
- Cwhen the plant is undergoing transpiration
- Dduring the Calvin cycle
22Which types of plants undergo the most photorespiration?
- AC2 plants
- BC3 plants
- CC4 plants
- DCAM plants
23Which plants are best adapted for very dry, hot environments such as deserts?
- ACAM plants
- BC2 plants
- CC3 plants
- DC4 plants
24What characteristic gives C3 and C4 plants their names?
- Athe first carbon compounds produced during the light reactions for each plant type
- Bthe first stable carbon compounds produced during the second portion of photosynthesis
- Cthe geographic location where the plants are commonly found
- Dthe sequence in which the carbon-containing molecules were discovered
25Which plant is most likely to be a C4 plant?
- Aclover
- Bcorn
- Crose
- Dsoybean
26What is the role of a CAM plant?
- AIt uses 4-carbon sugars to pump carbon dioxide molecules to the Calvin cycle.
- BIt is often used in agriculture because of its ability to conserve water.
- CIt slows water loss by opening stomata only at night.
- DIt tends to grow very slowly because of its inability to undergo the Calvin cycle.
27Which types of plant store carbon dioxide as an organic acid in its vacuoles?
- AC2 plants
- BC3 plants
- CC4 plants
- DCAM plants
28How can deforestation increase global warming?
- AIt can decrease the total amount of photosynthesis as C3 plants are harvested.
- BIt can increase the number of C4 plants, thereby increasing photorespiration.
- CIt can cause runoff to become more acidic, thereby blocking the uptake of carbon dioxide.
- DIt can increase the uptake of carbon dioxide by encouraging the growth of faster-growing plants.
29How might global warming affect an animal species that has narrow temperature requirements?
- AIt may cause the expansion of the species' range.
- BIt may cause the extinction of the species.
- CIt may reduce the diseases that threaten the species.
- DIt may have no effect on the species.
30How have ocean waters been affected by increased amounts of carbon dioxide in the atmosphere?
- Amore acidic
- Bmore basic
- Ccloser to neutral in pH
- Dricher in aquatic species
31Which activity could help you to slow the rate of global warming?
- Abuying food in disposable, single-serving containers
- Bcutting down shade trees near your home
- Cdriving a new, extended cab pickup truck
- Dusing a high efficiency washing machine
32What percentage of carbon dioxide is introduced into the atmosphere by the cutting and burning of tropical forests?
- A15%
- B25%
- C50%
- D75%
Información
- Descripción
- Test sobre Exam 1 Extra, creado por Sara Villanueva el 01/10/2019.
- Autor
- Sara Villanueva
- Idioma
- English
- Visitas
- 1
- Valoración
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