| Date | November 2017 | Marks available | 3 | Reference code | 17N.2.HL.TZ0.04 |
| Level | Higher level | Paper | Paper 2 | Time zone | TZ0 |
| Command term | Describe | Question number | 04 | Adapted from | N/A |
Question
Describe the process of photolysis in photosynthesis.
Markscheme
a. water is split/breaks
b. using energy from light
c. electrons «from photolysis» pass to photosystem II
d. oxygen is a «waste» product
e. hydrogen ions/protons are produced
Allow answer given as an equation
[Max 3 Marks]
Examiners report
[N/A]
Syllabus sections
Additional higher level » Topic 8: Metabolism, cell respiration and photosynthesis » 8.3 Photosynthesis
Show 92 related questions
- 17N.1.HL.TZ0.30: Which process occurs during the light-dependent reaction of photosynthesis? A. ATP, CO2 and...
- 17N.1.HL.TZ0.29: Which reaction does not cause a net release of energy? A. ADP combines with inorganic...
- 17M.1.HL.TZ2.15: What is used to reduce NADP in the light-dependent reactions of photosynthesis? A....
- 17M.1.HL.TZ2.13: Which technological advance enabled Calvin to perform his lollipop experiment on the...
- 17M.1.SL.TZ1.1: Which structure found in eukaryotes has a single membrane? A. Nucleus B. Lysosome C....
- 16N.2.HL.TZ0.8a: Explain the processes by which light energy is converted into chemical energy.
- 16N.2.HL.TZ0.3a: Identify the following processes as either anabolism or catabolism by placing a tick (√) in...
- 16N.1.HL.TZ0.31: The electron micrograph shows part of a plant cell. Where do the light-independent reactions...
- 16M.1.HL.TZ0.12: Which molecule would first contain 14C if the alga Chlorella was grown in the presence of...
- 15M.1.HL.TZ1.29: What process occurs during the light-independent reactions of photosynthesis?A. Oxygen is...
- 15M.2.HL.TZ2.7a: Explain chemiosmosis as it occurs in photophosphorylation.
- 15M.2.HL.TZ1.7b: The light-dependent reactions in photosynthesis take place on the thylakoid membranes....
- 15M.2.HL.TZ1.7c: Outline two factors that affect the rate of photosynthesis.
- 15N.1.HL.TZ0.29: During photosynthesis, what happens in the chloroplast at the location labelled lumen? A....
- 15N.1.HL.TZ0.30: What products of the light-dependent reactions are used in the light-independent...
- 15N.3.SL.TZ0.7a: State the level of chlorophyll at 50 % water content for plants growing in sunlight, giving...
- 15N.3.SL.TZ0.7b: Outline the effect of sunlight and shade on CO2 assimilation during dehydration.
- 15N.3.SL.TZ0.7c: Compare the effect of rehydration on chlorophyll levels in plants grown in shade and sunlight.
- 15N.3.SL.TZ0.7d: Using the data, deduce, with a reason, two stages of photosynthesis that may be limited...
- 15N.3.SL.TZ0.9a: Draw a labelled diagram showing the structure of a chloroplast.
- 13M.2.HL.TZ1.1a: Suggest one method other than measuring CO2 uptake by which the rate of photosynthesis could...
- 13M.2.HL.TZ1.1h: Suggest possible conclusions for this experiment.
- 13M.2.HL.TZ1.1j: Explain the evidence provided by the data in the bar chart for the hypothesis that isoprene...
- 13M.2.HL.TZ1.1k: Suggest two reasons for some plant species synthesizing and emitting isoprene, but not other...
- 13M.2.HL.TZ1.1b: Suggest why heat treatment may reduce photosynthesis rates.
- 13M.2.HL.TZ1.1c: Outline the effect of drought and of re-watering on the rate of photosynthesis.
- 13M.2.HL.TZ1.1d: Describe the isoprene emissions during the drought and recovery periods at 25°C.
- 13M.2.HL.TZ1.1e: Compare the effect of the two temperatures on the emission of isoprene.
- 13M.2.HL.TZ1.1f: State the effect of heat treatment on the rate of photosynthesis.
- 13M.2.HL.TZ1.1g: Using the results in the graph, deduce the effect of the presence of fosmidomycin on the rate...
- 13M.2.HL.TZ1.1i: State the difference in percentage recovery of photosynthesis 1 hour after heat treatment...
- 13M.2.HL.TZ1.5c: Explain the light-independent processes of photosynthesis in plants.
- 13M.2.HL.TZ2.7c: Some of the water carried to the leaves of a plant is used in photosynthesis. Explain the...
- 13M.1.HL.TZ1.29: In a chloroplast where are the enzymes of the Calvin cycle located? A. Thylakoid membranesB....
- 13M.1.HL.TZ1.30: In the light-dependent reactions of photosynthesis what supplies low energy electrons to ...
- 13N.1.HL.TZ0.31: Where is ATP synthase located?
- 13N.2.HL.TZ0.4b: Outline photoactivation of photosystem II in the light-dependent reaction of photosynthesis.
- 13M.3.SL.TZ1.7a: State the difference in chlorophyll content for Phaseolus between high and low light...
- 13M.3.SL.TZ1.7b: State the percentage value of total leaf nitrogen in chlorophyll for Spinacia at low light...
- 13M.3.SL.TZ1.7c: Suggest one advantage for plants to increase their leaf chlorophyll content per surface area...
- 13M.3.SL.TZ1.7d: Evaluate the hypothesis that lower light intensity increases thylakoid nitrogen.
- 13M.3.SL.TZ1.8a (ii): State the role of ribulose bisphosphate (RuBP) carboxylase in the Calvin cycle.
- 13M.3.SL.TZ1.9b: Explain the relationship between the action spectrum and the absorption spectrum of...
- 13N.3.SL.TZ0.9b: Explain the relationship between the structure of the chloroplast and its function.
- 13N.3.SL.TZ0.9a: State the site of the light-independent reactions of photosynthesis.
- 11M.1.HL.TZ1.30: Where is chlorophyll found in a plant cell? A. Thylakoid membranes B. Stroma C. Matrix D....
- 11M.1.HL.TZ1.31: What is produced by the light-dependent reactions of photosynthesis and used in the Calvin...
- 11M.2.HL.TZ2.5c: Explain the light-independent reactions of photosynthesis.
- 11M.3.SL.TZ1.7a: State the carbon dioxide concentration at pH 7.2.
- 11M.3.SL.TZ1.7e: Based on the information and data provided, discuss the role of one limiting factor, other...
- 11M.3.SL.TZ1.7c: Outline the relationship between pH and the rate of photosynthesis.
- 11M.3.SL.TZ1.7d: Suggest how Zostera marina can perform photosynthesis even at very low carbon dioxide...
- 12M.1.HL.TZ2.30: What is a function of Y? A. Carbon fixation B. Absorption of light C. Storage of glucose D....
- 12M.1.HL.TZ1.30: What occurs during the light-independent reactions of photosynthesis? A. ATP is produced. B....
- 12M.1.HL.TZ2.29: What is the structure labelled X? A. Stroma B. Granum C. Crista D. Starch granule
- 12M.3.SL.TZ1.8c: Using light as an example, explain the concept of limiting factors in photosynthesis.
- 12M.3.SL.TZ2.7a: State the relationship between Rubisco activity and temperature.
- 12M.3.SL.TZ2.7e: In a leaf, both enzymes are present together. Predict, with a reason, how the rate of...
- 09M.2.HL.TZ1.4a: Draw a labelled diagram of the structure of a chloroplast as seen with an electron microscope.
- 09M.2.HL.TZ2.4b: Outline the light-dependent reactions of photosynthesis.
- 09M.1.HL.TZ1.29: Where are complex carbohydrates made in the chloroplast? A. In the intermembrane space B. In...
- 09M.1.HL.TZ2.8: Where in the cell does the Calvin cycle take place? A. Stroma of chloroplastB. Mitochondrial...
- 10M.2.HL.TZ1.5c: Photosynthesis and transpiration occur in leaves. Explain how temperature affects these...
- 10M.1.HL.TZ1.30: Where are the light-dependent and light-independent reactions taking place in the diagram...
- 10M.1.HL.TZ2.30: The diagram below shows the structure of a chloroplast. What is the structure labelled...
- 10M.1.HL.TZ1.10: Which of the following factors influence(s) the rate of oxygen production in...
- 10M.3.SL.TZ1.9a (ii): Explain the reasons for maximum carbon dioxide exchange rate at this time.
- 10M.3.SL.TZ1.9a (i): State the time at which carbon dioxide exchange rate is maximal.
- 10M.3.SL.TZ1.9b: State the temperature that resulted in the highest rate of photosynthesis under current...
- 10M.3.SL.TZ1.9c: Using the data in the table, discuss whether rising carbon dioxide levels in the atmosphere...
- 10M.3.SL.TZ2.7a: State the month when total photosynthesis was greatest.
- 10M.3.SL.TZ2.7d: Compare production in March with production in September.
- 10M.3.SL.TZ2.7b: Identify, with a reason, the water depth that receives no light.
- 10M.3.SL.TZ2.7c: In the upper 40m there is a drop in photosynthesis from March to June. This is probably due...
- 09N.1.HL.TZ0.28: What reaction, involving glycerate 3-phosphate, is part of the light-independent reactions of...
- 09N.1.HL.TZ0.29: What is the advantage of having a small volume inside the thylakoids of the chloroplast?A....
- 11N.2.HL.TZ0.8 a: Draw the absorption spectrum of chlorophyll.
- 11N.2.HL.TZ0.8 b: Explain the process of photophosphorylation in chloroplasts.
- 11N.1.HL.TZ0.14: Which of the following is a role of ATP in photosynthesis? A. It provides the energy to make...
- 11N.1.HL.TZ0.15: What happens to triose phosphate (TP) in the light-independent reactions of...
- 11N.3.SL.TZ0.8b: Explain the relationship between chloroplast structure and its function.
- 11N.3.SL.TZ0.8a: Label I and II. I. .................................................................. II....
- 12N.3.SL.TZ0.7a: Identify the relationship between temperature and CO2 absorption shown in both graphs.
- 12N.3.SL.TZ0.7b: The line on each graph indicates the mean net photosynthesis rate. Calculate the difference...
- 12N.3.SL.TZ0.7c: Compare the data for the sour orange trees growing at 400 ppm with those growing at 700 ppm.
- 12N.3.SL.TZ0.7d: Identify, with a reason, whether CO2 concentration or temperature is the limiting factor on...
- 12N.3.SL.TZ0.7e: State two products that pass from the light-dependent to the light-independent stages of...
- 10N.3.SL.TZ0.8b: State two limiting factors of photosynthesis.
- 09N.3.SL.TZ0.7a: Describe the effect of salt concentration on the activity of the light-dependent reactions...
- 09N.3.SL.TZ0.7b: Compare the effect of increasing salt concentration on photosystem I with the effect on...
- 09N.3.SL.TZ0.7c: When salt concentration is increased, some algal cells increase their rates of cyclic...
- 09N.3.SL.TZ0.7d: Using the graph, predict the effect of high salt concentration on the growth of Chlorella...
