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9700_w08_qp_32 - UNIVERSITY OF CAMBRIDGE INTERNATIONAL...

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This document consists of 11 printed pages and 1 blank page. SP (FF/DT) T66298/3 © UCLES 2008 [Turn over UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Subsidiary Level and Advanced Level READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen in the spaces provided on the Question Paper. You may use a pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, highlighters, glue or correction fluid. DO NOT WRITE IN ANY BARCODES. Answer both questions. The number of marks is given in brackets [ ] at the end of each question or part question. You are advised to spend an hour on each question. At the end of the examination, fasten all your work securely together. *1614223447* BIOLOGY 9700/32 Paper 32 Advanced Practical Skills October/November 2008 2 hours Candidates answer on the Question Paper. Additional Materials: As listed in the confidential instructions For Examiner’s Use 1 2 Total
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2 9700/32/O/N/08 © UCLES 2008 For Examiner’s Use You are reminded that you have only one hour for each question in the practical examination. You should read carefully through the whole of each question and then plan your use of the time to make sure that you finish all of the work that you would like to do. 1 You are required to investigate the effects of two solutions, T1 and T2 , on the cells of onion epidermal tissue. Solution T1 is a 1.0 mol dm –3 solution of potassium nitrate. Solution T2 is a 1.0 mol dm –3 solution of lead nitrate ( toxic ). Beaker W contains distilled water. Beaker O contains distilled water and two pieces of onion.
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9700_w08_qp_32 - UNIVERSITY OF CAMBRIDGE INTERNATIONAL...

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