| Date | May 2015 | Marks available | 1 | Reference code | 15M.1.SL.TZ2.11 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Identify | Question number | 11 | Adapted from | N/A |
Question
How can the rate of photosynthesis be measured?
I. By the amount of oxygen produced
II. By the increase in biomass
III. By the amount of carbon dioxide produced
A. I only
B. I and II only
C. I and III only
D. I, II and III
Markscheme
B
Examiners report
The answers to the question do not reflect a measurement of a rate of reaction, as time is not included. As none of the answers include the time, it is implied in the question.
Syllabus sections
Show 65 related questions
- 17N.3.HL.TZ0.01c: State two photosynthetic pigments that could be identified using chromatography.
- 17N.3.HL.TZ0.01b: Explain what the Rf values represent in chromatography.
- 17N.3.HL.TZ0.01a: Outline what happens when spinach extract is spotted on a TLC plate and placed into a...
- 17N.3.SL.TZ0.02c: Explain how the pigments in the chromatogram of spinach are identified.
- 17N.3.SL.TZ0.02b: State a suitable solvent for extracting photosynthetic pigments from plant tissue.
- 17N.3.SL.TZ0.02a: Identify pigment labelled P.
- 17N.2.SL.TZ0.07b: Explain the process of photosynthesis.
- 17N.1.SL.TZ0.19: An experiment was set up so that each test tube contained water at a pH of 6.3 and a pH...
- 16N.2.SL.TZ0.7b: Producers extract phosphates and nitrates from soil. Outline how these ions are used in the...
- 16N.2.SL.TZ0.3b: Identify the following processes as either anabolism or catabolism by placing a tick (√) in...
- 16M.1.SL.TZ0.20: What is a feature of shorter wavelength visible radiation? A. It includes violet light.B. It...
- 15M.2.SL.TZ1.4b (i): Draw a graph to show the effect of increasing light intensity on the rate of photosynthesis.
- 15M.2.HL.TZ2.7b: Draw an annotated graph of the effects of light intensity on the rate of photosynthesis.
- 15M.2.SL.TZ1.4a: Distinguish between absorption of red, green and blue light by chlorophyll.
- 15M.2.SL.TZ1.4b (ii): Explain one way of directly measuring the rate of photosynthesis.
- 15M.3.SL.TZ2.8b: List three limiting factors of photosynthesis.
- 15M.1.HL.TZ2.12: How can the rate of photosynthesis be measured? I. By the amount of oxygen produced II. By...
- 15M.1.HL.TZ2.14: What happens in both respiration and photosynthesis? A. Triose phosphates are...
- 15M.2.HL.TZ1.7c: Outline two factors that affect the rate of photosynthesis.
- 15M.3.SL.TZ1.7a: Describe the pattern of CO2 uptake in the control plants.
- 15M.3.SL.TZ1.7b: Outline the effect of increased carbon dioxide concentration on CO2 uptake.
- 15M.3.SL.TZ1.7c: Discuss how CO2 uptake in this investigation may be affected by other limiting factors.
- 13M.2.SL.TZ1.6a: Outline the difference in absorption of red, blue and green light by chlorophyll.
- 13N.2.SL.TZ0.5b: Describe how the rate of photosynthesis can be measured.
- 13N.1.SL.TZ0.10: What is light energy used for in photolysis?A. Formation of hydrogen and oxygenB. Formation...
- 17M.3.HL.TZ1.3a: Suggest a hypothesis for the trend in the graph.
- 17M.3.SL.TZ1.2c: This experiment measured the quantity of oxygen gas released by the water plant. State one...
- 17M.3.SL.TZ1.2b: C. caroliniana can grow well in water at 27°C. This experiment was carried out at...
- 17M.3.SL.TZ1.2a: Compare and contrast the experimental results for the effect of light intensity on the rate...
- 17M.2.HL.TZ1.1f.ii: Suggest a reason for the greater expression of the gene for the urea transporter after an...
- 17M.2.SL.TZ2.6b: Outline the production of carbohydrates in photosynthesis.
- 17M.2.SL.TZ1.1c: Estimate how much smaller drilled oysters raised in seawater at a high CO2 concentration were...
- 17M.1.SL.TZ2.27: The bacterium Neisseria gonorrhoeae causes infections related to the human reproductive...
- 17M.1.SL.TZ2.12: The fungus Rhytisma grows on the leaves of certain trees, causing a yellow leaf area in which...
- 17M.1.SL.TZ2.11: What is the relative wavelength in the visible spectrum of red light and blue light and are...
- 17M.1.SL.TZ1.21: Cladograms can be created by comparing DNA or protein sequences. The cladogram on the left is...
- 13N.2.HL.TZ0.4a: The graph shows the absorption spectrum for two types of chlorophyll. (i) Sketch on the...
- 13M.1.SL.TZ2.12: How does chlorophyll respond to the red, green and blue wavelengths in white light?
- 13M.1.SL.TZ1.13: What is the source of the oxygen released into the atmosphere in photosynthesis? A. Glucose...
- 11M.1.HL.TZ1.10: What is the source of the oxygen released into the air as a product of photosynthesis? A....
- 11M.1.SL.TZ1.13: What is the source of the oxygen released into the air as a product of photosynthesis? A....
- 11M.1.SL.TZ2.12: Which type of light is least useful for photosynthesis in terrestrial plants? A. Blue B....
- 11M.3.SL.TZ2.7a: Identify the optimum temperature for photosynthesis in this plant.
- 11M.3.SL.TZ2.7b: Determine the difference between gross photosynthesis and net photosynthesis at 40°C and...
- 11M.3.SL.TZ2.7c: Deduce what happens to the rate of respiration as the temperature increases between 40°C and...
- 11M.3.SL.TZ2.7d (i): Describe the general pattern of change in photosynthesis in sweet orange as the temperature...
- 11M.3.SL.TZ2.7d (ii): Compare the effect of temperature on photosynthesis with the effect of temperature on...
- 12M.2.HL.TZ1.7c: Explain the role of limiting factors in photosynthesis.
- 12M.1.HL.TZ1.10: How is oxygen produced during photosynthesis? A. Water molecules are split with energy from...
- 12M.1.SL.TZ1.12: How is oxygen produced during photosynthesis? A. Water molecules are split with energy from...
- 12M.1.SL.TZ2.11: What are the effects of changing carbon dioxide concentration on the rate of...
- 09M.2.HL.TZ2.4c: Explain the effect of light intensity and temperature on the rate of photosynthesis.
- 09M.1.HL.TZ1.10: What is light energy used for during photosynthesis? A. To produce carbon dioxide B. To...
- 09M.1.HL.TZ1.30: Which of the following graphs represents the effect of changing light intensity on the rate...
- 09M.1.HL.TZ2.7: What conclusion can be drawn from examining the action spectrum for a green plant shown...
- 09M.1.SL.TZ2.28: Which of the following colours of light is absorbed the most by chlorophyll? A. BlueB....
- 09M.2.SL.TZ2.7b: Outline how three different environmental conditions can affect the rate of photosynthesis in...
- 10M.1.SL.TZ1.12: A plant is exposed to increasing light intensity from very dim to bright light, while the...
- 10M.2.SL.TZ2.2d: Outline the role of water in photosynthesis.
- 10M.1.HL.TZ2.10: Why is light important in photosynthesis? A. To produce ATP and split water molecules B. To...
- 09N.1.SL.TZ0.10: Oxygen is produced during photosynthesis. What is the source of this oxygen inside the...
- 09N.1.SL.TZ0.9: Which of the following graphs shows the relationship between substrate concentration and...
- 12N.1.HL.TZ0.8: What is the energy absorbed by chlorophyll used directly for in plants? I. To produce ATP ...
- 10N.2.SL.TZ0.4b: Outline how light energy is used and how organic molecules are made in photosynthesis.
- 09N.2.SL.TZ0.6b: Outline anaerobic cell respiration in plant cells.
