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GCE JUN 2007 : (AS 1) Themes in Physical Geography

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Centre Number 71 Candidate Number ADVANCED SUBSIDIARY (AS) General Certificate of Education 2007 Geography assessing Module 1: Themes in Physical Geography ASG11 Assessment Unit AS 1 [ASG11] TUESDAY 12 JUNE, AFTERNOON TIME 1 hour. INSTRUCTIONS TO CANDIDATES Write your Centre Number and Candidate Number in the spaces provided at the top of this page. Answer all three questions in Section A and any two questions from Section B. Write your answers to Section B on the lined paper at the end of this booklet. INFORMATION FOR CANDIDATES The total mark for this paper is 60. Quality of written communication will be assessed in all questions. Figures in brackets printed down the right-hand side of pages indicate the marks awarded to each question or part question. For Examiner s use only Question Number 1 2 3 4 5 6 Total Marks ASG1S7 2796 Marks Section A Examiner Only Marks Remark Answer all three questions in this section 1 (a) (i) Explain why the drainage basin is described as an open system. _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] (ii) In a drainage basin, describe and explain how basin size and basin geology (rock type) affect river discharge. Basin size ____________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] Basin geology _________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] ASG1S7 2796 2 [Turn over (b) Study Resource 1, which shows how sediment particle size (mean diameter) changes with distance downstream from the city of Cairo on the Mississippi river. Examiner Only Marks Remark RESOURCE 1 Mean diameter (mm) 1.2 0.8 0.4 0 0 400 800 1200 1600 Distance downstream from Cairo, Illinois (km) (i) What is the mean diameter of sediment at a point 600 km downstream from Cairo? ___________________________________________________ [1] (ii) Using Resource 1, describe and explain how the mean diameter of sediment particles changes with distance downstream. ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ___________________________________________________ [4] ASG1S7 2796 3 [Turn over (iii) Suggest one possible reason why the graph is not a smooth curve. Examiner Only Marks Remark _____________________________________________________ __________________________________________________ [1] ASG1S7 2796 4 [Turn over 2 (a) (i) Define the term ecosystem. Examiner Only Marks Remark _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] (ii) In an ecosystem, what is the difference between the biotic and abiotic components? _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] (iii) In the box below, draw and label a trophic pyramid for the local scale ecosystem you have studied. Name of ecosystem ____________________________[no mark] [4] ASG1S7 2796 5 [Turn over (b) Describe two characteristics of mollisols/chernozems. Examiner Only Marks Remark 1. ______________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] 2. ______________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] ASG1S7 2796 6 [Turn over 3 (a) Study Resource 3A, showing the general atmospheric circulation in the northern hemisphere. Examiner Only Marks Remark RESOURCE 3A Polar cell Polar front 90 N Ferrell cell Latitude 30 N Trade winds Hadley cell 0 Equator (i) Add two arrows to the Ferrell cell to show the directions of the surface and upper air movement. [1] (ii) Explain why the trade winds blow in the direction shown on Resource 3A. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [3] ASG1S7 2796 7 [Turn over (b) Describe the key characteristics of any one of the main air masses affecting Northern Ireland (mid-latitudes). Examiner Only Marks Remark _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] (c) Study Resource 3B, showing barometric pressure for 25th and 26th January 1990 at Bracknell in England. RESOURCE 3B Thursday 25th Friday 26th 1010 Air pressure at Bracknell (millibars) 1000 990 980 970 960 950 Midnight ASG1S7 2796 Noon Midnight 8 Noon 18.00 [Turn over (i) Describe the change in barometric pressure shown on Resource 3B. Examiner Only Marks Remark _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] (ii) With what type of mid-latitude weather system would such a pressure pattern be associated? __________________________________________________ [1] (iii) Suggest one effect of such a pressure pattern on the weather at the local or regional scale and state how this might impact on the environment. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [3] ASG1S7 2796 9 [Turn over Section B Examiner Only Marks Remark Answer any two questions from this section 4 Flooding can have both positive and negative outcomes for people. Discuss this statement with reference to your case study of a large scale drainage basin or its delta. [12] 5 With reference to your case study, describe and explain how human activity can have both positive and negative impacts on soils and vegetation in a mid-latitude grassland ecosystem. [12] 6 At the local or regional scale, describe the weather conditions associated with summer and winter anticyclones in mid-latitudes and discuss how these weather conditions have an impact on human environments. [12] ASG1S7 2796 10 [Turn over Number your answers clearly Examiner Only Marks ASG1S7 2796 11 Remark [Turn over Number your answers clearly Examiner Only Marks ASG1S7 2796 12 Remark [Turn over Number your answers clearly Examiner Only Marks ASG1S7 2796 13 Remark [Turn over Number your answers clearly Examiner Only Marks ASG1S7 2796 14 Remark [Turn over Number your answers clearly Examiner Only Marks ASG1S7 2796 15 Remark [Turn over Number your answers clearly Examiner Only Marks ASG1S7 2796 16 Remark [Turn over Number your answers clearly Examiner Only Marks ASG1S7 2796 17 Remark [Turn over Number your answers clearly Examiner Only Marks ASG1S7 2796 18 Remark [Turn over THIS IS THE END OF THE QUESTION PAPER ASG1S7 2796 19 [Turn over Permission to reproduce all copyright material has been applied for. In some cases, efforts to contact copyright holders may have been unsuccessful and CCEA will be happy to rectify any omissions of acknowledgement in future if notified. S 10/07 0000 7-132-1

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Additional Info : Gce Geography June 2007 Assessment Unit AS 1 Module 1: Themes in Physical Geography
Tags : General Certificate of Education, A Level and AS Level, uk, council for the curriculum examinations and assessment, gce exam papers, gce a level and as level exam papers , gce past questions and answer, gce past question papers, ccea gce past papers, gce ccea past papers

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