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C1.3.7. Techniques for varying concentrations of carbon dioxide, light intensity or temperature experimentally to investigate the effects of limiting factors on the rate of photosynthesis
Description
[N/A]Directly related questions
- EXEX.1B.HL.TZ0.5aii: Suggest a variable that needs to be kept constant in both groups of mice to ensure reliable results
- EXEX.1B.HL.TZ0.5aii: Suggest a variable that needs to be kept constant in both groups of mice to ensure reliable results
- EXEX.1B.HL.TZ0.5aii: Suggest a variable that needs to be kept constant in both groups of mice to ensure reliable results
- EXEX.1B.HL.TZ0.5aii: Suggest a variable that needs to be kept constant in both groups of mice to ensure reliable results
- EXEX.1B.HL.TZ0.ii: Suggest a variable that needs to be kept constant in both groups of mice to ensure reliable results
- EXEX.1B.HL.TZ0.5ai: State the independent variable in this investigation.
- EXEX.1B.HL.TZ0.5ai: State the independent variable in this investigation.
- EXEX.1B.HL.TZ0.5ai: State the independent variable in this investigation.
- EXEX.1B.HL.TZ0.5ai: State the independent variable in this investigation.
- EXEX.1B.HL.TZ0.i: State the independent variable in this investigation.
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19M.1A.SL.TZ1.12:
The graph shows the effect of increasing light intensity on the rate of CO2 uptake by a species of green plant maintained in conditions of constant temperature and CO2 concentration.
[Source: © International Baccalaureate Organization 2019]
Which statement is consistent with the graph?
A. Photosynthesis stops at high light intensity.
B. Rates of photosynthesis increase with temperature.
C. Cell respiration leads to net production of CO2 at low light intensity.
D. There is a negative correlation between CO2 uptake and light intensity.
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19M.1A.SL.TZ1.12:
The graph shows the effect of increasing light intensity on the rate of CO2 uptake by a species of green plant maintained in conditions of constant temperature and CO2 concentration.
[Source: © International Baccalaureate Organization 2019]
Which statement is consistent with the graph?
A. Photosynthesis stops at high light intensity.
B. Rates of photosynthesis increase with temperature.
C. Cell respiration leads to net production of CO2 at low light intensity.
D. There is a negative correlation between CO2 uptake and light intensity.
-
19M.1A.SL.TZ1.12:
The graph shows the effect of increasing light intensity on the rate of CO2 uptake by a species of green plant maintained in conditions of constant temperature and CO2 concentration.
[Source: © International Baccalaureate Organization 2019]
Which statement is consistent with the graph?
A. Photosynthesis stops at high light intensity.
B. Rates of photosynthesis increase with temperature.
C. Cell respiration leads to net production of CO2 at low light intensity.
D. There is a negative correlation between CO2 uptake and light intensity.
-
19M.1A.SL.TZ1.12:
The graph shows the effect of increasing light intensity on the rate of CO2 uptake by a species of green plant maintained in conditions of constant temperature and CO2 concentration.
[Source: © International Baccalaureate Organization 2019]
Which statement is consistent with the graph?
A. Photosynthesis stops at high light intensity.
B. Rates of photosynthesis increase with temperature.
C. Cell respiration leads to net production of CO2 at low light intensity.
D. There is a negative correlation between CO2 uptake and light intensity.
- 19N.2.SL.TZ0.12a: Outline how these results indicate that blackberry distribution is limited by light intensity.
- 19N.2.SL.TZ0.a: Outline how these results indicate that blackberry distribution is limited by light intensity.
- 19N.2.SL.TZ0.12a: Outline how these results indicate that blackberry distribution is limited by light intensity.
- 19N.2.SL.TZ0.a: Outline how these results indicate that blackberry distribution is limited by light intensity.
- 20N.1A.SL.TZ0.12: Plants produce carbon dioxide in respiration and use carbon dioxide in photosynthesis. The graph...
- 20N.1A.SL.TZ0.12: Plants produce carbon dioxide in respiration and use carbon dioxide in photosynthesis. The graph...
- 20N.1A.SL.TZ0.12: Plants produce carbon dioxide in respiration and use carbon dioxide in photosynthesis. The graph...
- 20N.1A.SL.TZ0.12: Plants produce carbon dioxide in respiration and use carbon dioxide in photosynthesis. The graph...
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20N.1B.SL.TZ0.3a:
State the name of the process which occurs in the chloroplasts of Chlorella, that uses CO2.
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20N.1B.SL.TZ0.a:
State the name of the process which occurs in the chloroplasts of Chlorella, that uses CO2.
-
20N.1B.SL.TZ0.3a:
State the name of the process which occurs in the chloroplasts of Chlorella, that uses CO2.
-
20N.1B.SL.TZ0.a:
State the name of the process which occurs in the chloroplasts of Chlorella, that uses CO2.
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20N.1B.SL.TZ0.3b.i:
The colours of the indicator in the jars ranged from yellow to purple after five hours.
Predict the distribution of indicator colours in jars 1 to 9.
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20N.1B.SL.TZ0.b.i:
The colours of the indicator in the jars ranged from yellow to purple after five hours.
Predict the distribution of indicator colours in jars 1 to 9.
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20N.1B.SL.TZ0.3b.i:
The colours of the indicator in the jars ranged from yellow to purple after five hours.
Predict the distribution of indicator colours in jars 1 to 9.
-
20N.1B.SL.TZ0.b.i:
The colours of the indicator in the jars ranged from yellow to purple after five hours.
Predict the distribution of indicator colours in jars 1 to 9.
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20N.1B.SL.TZ0.3b.ii:
Explain the scientific reasoning for your hypothesis.
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20N.1B.SL.TZ0.b.ii:
Explain the scientific reasoning for your hypothesis.
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20N.1B.SL.TZ0.3b.ii:
Explain the scientific reasoning for your hypothesis.
-
20N.1B.SL.TZ0.b.ii:
Explain the scientific reasoning for your hypothesis.
- 20N.1B.SL.TZ0.3c: Suggest one other factor that has to be kept constant in all the jars during the experiment.
- 20N.1B.SL.TZ0.c: Suggest one other factor that has to be kept constant in all the jars during the experiment.
- 20N.1B.SL.TZ0.3c: Suggest one other factor that has to be kept constant in all the jars during the experiment.
- 20N.1B.SL.TZ0.c: Suggest one other factor that has to be kept constant in all the jars during the experiment.
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20N.1B.SL.TZ0.3a:
Describe the control for this experiment.
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20N.1B.SL.TZ0.a:
Describe the control for this experiment.
-
20N.1B.SL.TZ0.3a:
Describe the control for this experiment.
-
20N.1B.SL.TZ0.a:
Describe the control for this experiment.
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20N.1B.SL.TZ0.3b:
Outline how the carbon dioxide could be removed from the water used to irrigate the plant.
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20N.1B.SL.TZ0.b:
Outline how the carbon dioxide could be removed from the water used to irrigate the plant.
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20N.1B.SL.TZ0.3b:
Outline how the carbon dioxide could be removed from the water used to irrigate the plant.
-
20N.1B.SL.TZ0.b:
Outline how the carbon dioxide could be removed from the water used to irrigate the plant.
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20N.1B.SL.TZ0.3c:
Suggest how a plastic bag placed around the plant pot prevents carbon dioxide from reaching the plant’s leaves.
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20N.1B.SL.TZ0.c:
Suggest how a plastic bag placed around the plant pot prevents carbon dioxide from reaching the plant’s leaves.
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20N.1B.SL.TZ0.3c:
Suggest how a plastic bag placed around the plant pot prevents carbon dioxide from reaching the plant’s leaves.
-
20N.1B.SL.TZ0.c:
Suggest how a plastic bag placed around the plant pot prevents carbon dioxide from reaching the plant’s leaves.
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21N.2.SL.TZ0.1c:
Explain the effect of temperature on the rate of photosynthesis in this mesocosm.
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21N.2.SL.TZ0.1c:
Explain the effect of temperature on the rate of photosynthesis in this mesocosm.
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21N.2.SL.TZ0.c:
Explain the effect of temperature on the rate of photosynthesis in this mesocosm.
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21N.2.SL.TZ0.1d:
Suggest reasons for the decreases in biomass of autotrophs as temperature rises, despite the increases in photosynthesis.
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21N.2.SL.TZ0.1d:
Suggest reasons for the decreases in biomass of autotrophs as temperature rises, despite the increases in photosynthesis.
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21N.2.SL.TZ0.d:
Suggest reasons for the decreases in biomass of autotrophs as temperature rises, despite the increases in photosynthesis.
- 21N.2.SL.TZ0.1e: Describe the effects of temperature and nitrate concentration on biomass.
- 21N.2.SL.TZ0.1e: Describe the effects of temperature and nitrate concentration on biomass.
- 21N.2.SL.TZ0.e: Describe the effects of temperature and nitrate concentration on biomass.
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21N.2.SL.TZ0.1f:
Suggest two abiotic factors, other than temperature and nutrient supply, that may affect the production of biomass of the grasslands.
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21N.2.SL.TZ0.1f:
Suggest two abiotic factors, other than temperature and nutrient supply, that may affect the production of biomass of the grasslands.
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21N.2.SL.TZ0.f:
Suggest two abiotic factors, other than temperature and nutrient supply, that may affect the production of biomass of the grasslands.
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21N.2.SL.TZ0.3c:
The amount of food passing into food chains can be affected by the rate of photosynthesis. Explain the effect of one limiting factor on photosynthesis.
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21N.2.SL.TZ0.3c:
The amount of food passing into food chains can be affected by the rate of photosynthesis. Explain the effect of one limiting factor on photosynthesis.
-
21N.2.SL.TZ0.c:
The amount of food passing into food chains can be affected by the rate of photosynthesis. Explain the effect of one limiting factor on photosynthesis.
-
21N.2.SL.TZ0.3c:
The amount of food passing into food chains can be affected by the rate of photosynthesis. Explain the effect of one limiting factor on photosynthesis.
-
21N.2.SL.TZ0.3c:
The amount of food passing into food chains can be affected by the rate of photosynthesis. Explain the effect of one limiting factor on photosynthesis.
-
21N.2.SL.TZ0.c:
The amount of food passing into food chains can be affected by the rate of photosynthesis. Explain the effect of one limiting factor on photosynthesis.
- 22M.1A.SL.TZ1.12: The graph shows how the rate of photosynthesis of a green plant varies with CO2 concentration at...
- 22M.1A.SL.TZ1.12: The graph shows how the rate of photosynthesis of a green plant varies with CO2 concentration at...
- 22M.1A.SL.TZ1.12: The graph shows how the rate of photosynthesis of a green plant varies with CO2 concentration at...
- 22M.1A.SL.TZ1.12: The graph shows how the rate of photosynthesis of a green plant varies with CO2 concentration at...
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22M.1A.SL.TZ2.12:
The apparatus shown was used to investigate the effect of varying carbon dioxide concentration on the rate of photosynthesis. Carbon dioxide concentrations were varied by adding different amounts of sodium hydrogen carbonate (NaHCO3) to water.
What is the dependent variable in this investigation?
A. Temperature
B. Light intensity
C. Amount of NaHCO3 added
D. Volume of oxygen produced
-
22M.1A.SL.TZ2.12:
The apparatus shown was used to investigate the effect of varying carbon dioxide concentration on the rate of photosynthesis. Carbon dioxide concentrations were varied by adding different amounts of sodium hydrogen carbonate (NaHCO3) to water.
What is the dependent variable in this investigation?
A. Temperature
B. Light intensity
C. Amount of NaHCO3 added
D. Volume of oxygen produced
-
22M.1A.SL.TZ2.12:
The apparatus shown was used to investigate the effect of varying carbon dioxide concentration on the rate of photosynthesis. Carbon dioxide concentrations were varied by adding different amounts of sodium hydrogen carbonate (NaHCO3) to water.
What is the dependent variable in this investigation?
A. Temperature
B. Light intensity
C. Amount of NaHCO3 added
D. Volume of oxygen produced
-
22M.1A.SL.TZ2.12:
The apparatus shown was used to investigate the effect of varying carbon dioxide concentration on the rate of photosynthesis. Carbon dioxide concentrations were varied by adding different amounts of sodium hydrogen carbonate (NaHCO3) to water.
What is the dependent variable in this investigation?
A. Temperature
B. Light intensity
C. Amount of NaHCO3 added
D. Volume of oxygen produced
-
22M.1A.SL.TZ2.12:
The apparatus shown was used to investigate the effect of varying carbon dioxide concentration on the rate of photosynthesis. Carbon dioxide concentrations were varied by adding different amounts of sodium hydrogen carbonate (NaHCO3) to water.
What is the dependent variable in this investigation?
A. Temperature
B. Light intensity
C. Amount of NaHCO3 added
D. Volume of oxygen produced
-
22M.1A.SL.TZ2.12:
The apparatus shown was used to investigate the effect of varying carbon dioxide concentration on the rate of photosynthesis. Carbon dioxide concentrations were varied by adding different amounts of sodium hydrogen carbonate (NaHCO3) to water.
What is the dependent variable in this investigation?
A. Temperature
B. Light intensity
C. Amount of NaHCO3 added
D. Volume of oxygen produced
-
22M.1A.SL.TZ2.12:
The apparatus shown was used to investigate the effect of varying carbon dioxide concentration on the rate of photosynthesis. Carbon dioxide concentrations were varied by adding different amounts of sodium hydrogen carbonate (NaHCO3) to water.
What is the dependent variable in this investigation?
A. Temperature
B. Light intensity
C. Amount of NaHCO3 added
D. Volume of oxygen produced
-
22M.1A.SL.TZ2.12:
The apparatus shown was used to investigate the effect of varying carbon dioxide concentration on the rate of photosynthesis. Carbon dioxide concentrations were varied by adding different amounts of sodium hydrogen carbonate (NaHCO3) to water.
What is the dependent variable in this investigation?
A. Temperature
B. Light intensity
C. Amount of NaHCO3 added
D. Volume of oxygen produced
-
22M.1A.SL.TZ2.12:
The apparatus shown was used to investigate the effect of varying carbon dioxide concentration on the rate of photosynthesis. Carbon dioxide concentrations were varied by adding different amounts of sodium hydrogen carbonate (NaHCO3) to water.
What is the dependent variable in this investigation?
A. Temperature
B. Light intensity
C. Amount of NaHCO3 added
D. Volume of oxygen produced
-
22M.1A.SL.TZ2.12:
The apparatus shown was used to investigate the effect of varying carbon dioxide concentration on the rate of photosynthesis. Carbon dioxide concentrations were varied by adding different amounts of sodium hydrogen carbonate (NaHCO3) to water.
What is the dependent variable in this investigation?
A. Temperature
B. Light intensity
C. Amount of NaHCO3 added
D. Volume of oxygen produced
-
22M.1A.SL.TZ2.12:
The apparatus shown was used to investigate the effect of varying carbon dioxide concentration on the rate of photosynthesis. Carbon dioxide concentrations were varied by adding different amounts of sodium hydrogen carbonate (NaHCO3) to water.
What is the dependent variable in this investigation?
A. Temperature
B. Light intensity
C. Amount of NaHCO3 added
D. Volume of oxygen produced
-
22M.1A.SL.TZ2.12:
The apparatus shown was used to investigate the effect of varying carbon dioxide concentration on the rate of photosynthesis. Carbon dioxide concentrations were varied by adding different amounts of sodium hydrogen carbonate (NaHCO3) to water.
What is the dependent variable in this investigation?
A. Temperature
B. Light intensity
C. Amount of NaHCO3 added
D. Volume of oxygen produced
- 23M.1B.SL.TZ1.3a: Suggest a reason for including a lid with vents above the water reservoir.
- 23M.1B.SL.TZ1.a: Suggest a reason for including a lid with vents above the water reservoir.
- 23M.1B.SL.TZ1.3a: Suggest a reason for including a lid with vents above the water reservoir.
- 23M.1B.SL.TZ1.a: Suggest a reason for including a lid with vents above the water reservoir.
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23M.1B.SL.TZ1.3b:
Explain the differences in the water loss rate in dark and light conditions.
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23M.1B.SL.TZ1.b:
Explain the differences in the water loss rate in dark and light conditions.
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23M.1B.SL.TZ1.3b:
Explain the differences in the water loss rate in dark and light conditions.
-
23M.1B.SL.TZ1.b:
Explain the differences in the water loss rate in dark and light conditions.
- 23M.1B.SL.TZ1.3c: Describe how the rose shoot could be treated to show what part of the plant loses water.
- 23M.1B.SL.TZ1.c: Describe how the rose shoot could be treated to show what part of the plant loses water.
- 23M.1B.SL.TZ1.3c: Describe how the rose shoot could be treated to show what part of the plant loses water.
- 23M.1B.SL.TZ1.c: Describe how the rose shoot could be treated to show what part of the plant loses water.
- 23M.1B.SL.TZ1.3d: A standard potometer only measures water uptake. Explain how this apparatus measures the amount...
- 23M.1B.SL.TZ1.d: A standard potometer only measures water uptake. Explain how this apparatus measures the amount...
- 23M.1B.SL.TZ1.3d: A standard potometer only measures water uptake. Explain how this apparatus measures the amount...
- 23M.1B.SL.TZ1.d: A standard potometer only measures water uptake. Explain how this apparatus measures the amount...
- 23M.1B.SL.TZ1.3a: State
- 23M.1B.SL.TZ1.a: State
- 23M.1B.SL.TZ1.3a: State
- 23M.1B.SL.TZ1.a: State
- 23M.1B.SL.TZ1.3ai: where the DNA of each individual could be taken from.
- 23M.1B.SL.TZ1.ai: where the DNA of each individual could be taken from.
- 23M.1B.SL.TZ1.i: where the DNA of each individual could be taken from.
- 23M.1B.SL.TZ1.3ai: where the DNA of each individual could be taken from.
- 23M.1B.SL.TZ1.ai: where the DNA of each individual could be taken from.
- 23M.1B.SL.TZ1.i: where the DNA of each individual could be taken from.
- 23M.1B.SL.TZ1.3aii: how the DNA is amplified.
- 23M.1B.SL.TZ1.aii: how the DNA is amplified.
- 23M.1B.SL.TZ1.ii: how the DNA is amplified.
- 23M.1B.SL.TZ1.3aii: how the DNA is amplified.
- 23M.1B.SL.TZ1.aii: how the DNA is amplified.
- 23M.1B.SL.TZ1.ii: how the DNA is amplified.
- 23M.1B.SL.TZ1.3b: Deduce with a reason the identity of the father.
- 23M.1B.SL.TZ1.b: Deduce with a reason the identity of the father.
- 23M.1B.SL.TZ1.3b: Deduce with a reason the identity of the father.
- 23M.1B.SL.TZ1.b: Deduce with a reason the identity of the father.