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escape outline Summer 2009 GCE GCE O Level biological science (7040) Edexcel Limited. Registered in England and Wales No. 4496750 Registered Off drinking glass: One90 High Holborn, capital of the United Kingdom WC1V 7BH i Edexcel is atomic number 53 of the leading examining and honour bodies in the UK and throughout the world. We provide a wide range of qualifications including academic, vocational, occupational and specific programmes for employers. Through a network of UK and foreign offices, Edexcels centres receive the support they have to help them take back their education and training programmes to learners. For further breeding please retrieve our Customer Services on + 44 1204 770 696, or figure our website at www.edexcel.com. Summer 2009 All the genuine in this yield is copyright © Edexcel Ltd 2009 ii Contents Page 1. 2.

7040-01 Mark object 7040-02 Mark shunning Section A Section B Section C 1 11 11 18 20 iii 7040 / 01 Paper 1 Mark Scheme June 2009 skepticism physical body 1 attend (a) surgery (focusing light) circulation / pumping /eq; breathing / ventilation / remove thorax vision / eq; Name of muscle ciliated; (heart) (intercostal) Mark 3 3 max (b) contract; lowers / flattens / eq; increase spate; decrease pressure; (Total 6 marks) Question Number 2 Answer (a) (i) respiration; combustion / burning; decomposition / moulder / eq; (a) (ii) (b) greenhouse effect / greenhouse gas; globular thaw / temperature rise / trap heat /eq; ice caps pass; sea level rise / flooding; personnel casualty of habitat; e xtinction/eq / migration/eq; photosynthesis;! Mark 2 max 1 4 max (Total 7 marks) Question Number 3 Answer Red simple pith kiosk Guard cell Neurone Root hair cell Mark Cell transport oxygen / eq; clear(p)/close stomata/pores / eq; transmit impulse / eq; launch water/minerals/named mineral; Function 4 1 (Total 4 marks) 2 Question Number 4 Answer (a) X cytoplasm; Y plasmid / DNA; Mark 2 (b) Activity of bacterium nitrifying Description of activity...If you want to get a full essay, parade it on our website: OrderCustomPaper.com

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