| Date | May 2017 | Marks available | 1 | Reference code | 17M.1.HL.TZ2.23 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 23 | Adapted from | N/A |
Question
What favours the production of peat?
I. Presence of organic matter
II. Anaerobic conditions
III. Acidic conditions
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
D
Examiners report
[N/A]
Syllabus sections
Show 40 related questions
- 17N.2.SL.TZ0.07c: Describe the process of peat formation.
- 17N.1.SL.TZ0.18: The diagram shows the carbon cycle. [Source: © International Baccalaureate Organization...
- 17M.3.SL.TZ2.1c: Predict the effects of global warming on aerobic respiration in fish.
- 17M.2.HL.TZ2.4a.ii: Using the food web, identify a saprotroph.
- 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.TZ1.1e: Using all the data, evaluate how CO2 concentrations affect the development of oysters and...
- 17M.2.SL.TZ1.1d.iii: The radula in a gastropod is hard but not made of calcium carbonate. Outline how this...
- 17M.2.SL.TZ1.1d.ii: Suggest reasons for the differences in the numbers of oysters drilled, as shown in the bar...
- 17M.2.SL.TZ1.1d.i: Deduce from the data in the bar charts which factors were and were not correlated...
- 17M.2.SL.TZ1.1c: Estimate how much smaller drilled oysters raised in seawater at a high CO2 concentration were...
- 17M.2.SL.TZ1.1b: Outline the trends shown in the data in the graph.
- 17M.2.SL.TZ1.1a: Outline how acidified sea water could affect the shells of the oyster.
- 17M.1.HL.TZ1.16: Methanogens produce methane gas. What is this gas converted to in the atmosphere? A. Carbon...
- 17M.1.SL.TZ2.27: The bacterium Neisseria gonorrhoeae causes infections related to the human reproductive...
- 17M.1.SL.TZ2.18: What favours the production of peat? I. Presence of organic matter II. Anaerobic...
- 17M.1.SL.TZ1.21: Cladograms can be created by comparing DNA or protein sequences. The cladogram on the left is...
- 17M.1.SL.TZ1.18: The diagram shows a version of the carbon cycle. What is indicated by the numbers?
- 16M.3.HL.TZ0.1c: Outline one way in which reef-building corals are affected by increasing atmospheric carbon...
- 16M.3.HL.TZ0.1a: State the relationship between atmospheric carbon dioxide and calcification rates.
- 16M.3.SL.TZ0.3a: State the relationship between atmospheric carbon dioxide and calcification rates.
- 16N.1.HL.TZ0.15: How is peat formed? A. From methanogenic archaeans under anaerobic and acidic conditions in...
- 15N.1.SL.TZ0.20: Which process has the greatest relative role in transferring carbon? A. Decomposition B....
- 15N.1.HL.TZ0.16: Which hypothesis is supported by evidence from ecological research? A. Decomposers are the...
- 13M.2.HL.TZ1.4b: Define saprotroph.
- 13M.3.HL.TZ1.8a: One of the distinguishing features of the Archaea is that they are capable of inhabiting...
- 13M.1.HL.TZ2.15: The diagram is a representation of a carbon cycle. Which arrow will reduce the greenhouse...
- 13M.2.SL.TZ1.6b: Explain how the process of photosynthesis affects carbon dioxide concentrations in the...
- 13N.2.SL.TZ0.5a: All organisms take in and also release carbon compounds. Draw a labelled diagram of the...
- 13N.1.SL.TZ0.19: What are examples of greenhouse gases?A. Ethane and ozoneB. Methane and nitrogenC. Methane...
- 13N.3.SL.TZ0.17c: Explain the formation of methane from biomass.
- 11M.1.SL.TZ2.29: Which group of organisms in the carbon cycle converts carbon into a form that is available to...
- 12M.3.SL.TZ2.18b: Explain the principles involved in the generation of methane from biomass.
- 09M.2.SL.TZ1.4a: Below is a graph of atmospheric CO2 levels measured at Mauna Loa Observatory,...
- 09M.2.SL.TZ2.7c: Explain how the emission of gases, both naturally and through human activity, can alter the...
- 09M.1.HL.TZ2.20: Why does the amount of CO2 fall between April and August? A. Seasonal increase in the rate...
- 09M.1.SL.TZ2.23: The graph below shows variation in the concentration of CO2 in the atmosphere as measured at...
- 09N.1.SL.TZ0.18: The diagram below shows some of the links in the carbon cycle. What processes are taking...
- 11N.2.HL.TZ0.4 a: State the process occurring at X and Y. X:...
- 11N.2.HL.TZ0.4 b: Suggest one type of organism that can be involved in process Z.
- 12N.1.HL.TZ0.14: The diagram shows the carbon cycle. Which letter indicates respiration?
