Geography_Nov_06_GeographySLpaper2questionbooklet

Geography_Nov_06_GeographySLpaper2questionbooklet - IB...

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IB DIPLOMA PROGRAMME PROGRAMME DU DIPLÔME DU BI PROGRAMA DEL DIPLOMA DEL BI N06/3/GEOGR/SP2/ENG/TZ0/XX/Q GEOGRAPHY STANDARD LEVEL PAPER 2 Thursday 16 November 2006 (morning) INSTRUCTIONS TO CANDIDATES Do not open this examination paper until instructed to do so. Answer two questions, each one must be selected from a different theme. 1 hour 30 minutes 8806-5203 20 pages 88065203
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– 2 – N06/3/GEOGR/SP2/ENG/TZ0/XX/Q 8806-5203 Answer two questions and each one must be selected from a different theme. (Do not answer both an essay and a structured question on the same theme.) SECTION A Case studies and examples should be used to illustrate answers and, where appropriate, they should be specifically located. Include well drawn, large, relevant maps, sketches, tables and diagrams as often as applicable. A1. Drainage basins and their management Either (a) Essay Examine the ways in which river landforms can influence human activity. [20 marks] Or (b) Structured question The table below shows hydrological data for two streams. Data Type Stream A Stream B Width of the channel 9.6 metres 6.4 metres Area of cross-section 7.5 square metres 6.6 square metres Mean velocity 0.8 metres/second 1.4 metres/second Discharge 6.0 m 3 /second 9.24 m 3 /second Wetted perimeter 11.5 metres 7.5 metres Hydraulic radius 0.65 0.88 (i) Describe how the discharge and the hydraulic radius of the streams were calculated from the data given in the table. [2+2 marks] (ii) Give a reason why stream B is the most efficient. [1 mark] (iii) Explain how the characteristics of a channel affect stream velocity. [7 marks] (iv) Explain why humans modify natural river channels. [8 marks]
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– 3 – Turn over N06/3/GEOGR/SP2/ENG/TZ0/XX/Q 8806-5203 A2. Coasts and their management Either (a) Essay Evaluate the attempts people have made to protect themselves against a specific coastal hazard. Briefly explain why people continue to live in coastal regions known to be hazardous. [20 marks] Or (b) Structured question If you choose to answer this question refer to the photograph in the Resources Booklet. The photograph shows a structure known as a revetment. It was constructed to prevent coastal erosion. (i) State two physical factors which would need to be considered when designing the most effective size of revetment. [2 marks] (ii) Explain how this type of structure can prevent coastal erosion. [3 marks] (iii) Analyse the natural factors that cause different rates of coastal erosion. [8 marks] (iv) Explain why some rapidly eroding coastlines are actively managed and others are not. [7 marks]
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– 4 – N06/3/GEOGR/SP2/ENG/TZ0/XX/Q 8806-5203 A3. Arid environments and their management Either (a) Essay “Human activity in arid and semi-arid areas is affected more by strong winds than by scarcity of water.” Evaluate this statement. [20 marks] Or (b) Structured question If you choose to answer this question refer to the two photographs in the Resources Booklet.
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