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UK GCSE 2010 : Foundation Tier, Biology Paper 1

20 pages, 51 questions, 13 questions with responses, 13 total responses,

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Centre Number 71 Candidate Number General Certificate of Secondary Education 2010 Paper 1 Foundation Tier G0901 Science: Biology [G0901] FRIDAY 21 MAY, MORNING TIME 1 hour For Examiner s use only Question Number INSTRUCTIONS TO CANDIDATES Write your Centre Number and Candidate Number in the spaces provided at the top of this page. Write your answers in the spaces provided in this question paper. Answer all fourteen questions. 1 2 3 4 5 6 INFORMATION FOR CANDIDATES The total mark for this paper is 80. Quality of written communication will be assessed in question 14(b) Figures in brackets printed down the right-hand side of pages indicate the marks awarded to each question or part question. 7 8 9 10 11 12 13 14 Total Marks 5601.05 R Marks 1 The diagram shows a female reproductive system. Examiner Only Marks Remark A B Biology: a modern introduction by B S Beckett, published by Oxford University Press, 1976, ISBN 0199140367 (a) Name parts A and B. A ___________________________________ [1] B ___________________________________ [1] (b) On the diagram, mark with an X where fertilization occurs. [1] (c) Describe the process of fertilization. _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] 5601.05 R 2 [Turn over 2 The diagram shows the main substances produced when smoking. Examiner Only Marks Remark Nicotine Tar Carbon monoxide (a) Complete the table. Substance Effect on human body Tar Nicotine [2] (b) Explain why carbon monoxide is harmful to humans. _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] (c) What is passive smoking? _________________________________________________________ _______________________________________________________ [1] 5601.05 R 3 [Turn over 3 The diagram shows the excretory system. Examiner Only Marks Remark Blood flow A B (a) Name parts A and B. A _________________________________ [1] B _______________________________ [1] (b) On the diagram label the bladder with the letter X. [1] (c) Describe the function of the bladder. _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] 5601.05 R 4 [Turn over 4 The diagram shows the gas exchange in a leaf at night. Examiner Only Marks Process Y Gas X Remark Carbon dioxide Source: G. B. B. Thomas, M. F. S. Thomas, BIOLOGY Functional, Systematic and Environmental, Hulton Educational Publications Ltd., 1978 (a) Name the gas X. ______________________ [1] (b) Name the process Y, which produces carbon dioxide. ______________________ [1] (c) Name the structures in the leaf surface which allow the carbon dioxide to leave the leaf. ______________________ [1] (d) (i) Name an indicator which can detect carbon dioxide. ______________________ [1] (ii) What colour will the indicator be when the carbon dioxide increases? ______________________ [1] 5601.05 R 5 [Turn over 5 The table shows the features of chordate groups. Chordate group Characteristics Fish Amphibians Reptiles Birds Mammals Example Gills, scales and fins Streamlined body Live in water Eggs laid in water Lungs Smooth, moist skin Live in water and on land Eggs laid in water Lungs Skin covered with tough dry scales Live in water and on land Eggs, with rubbery shells, laid on land Lungs and beak Feathers and wings Eggs, with hard shells, laid on land Constant body temperature Body covered with hair or fur Young develop inside mother Young feed on mother s milk Constant body temperature Science Scope : Biology by M Winterbottom and C Jones, page 134, published by Hodder Education, ISBN 0340 804769. Reproduced by permission of Hodder and Stoughton Limited Use the information in the table to answer the following questions. Examiner Only Marks Remark (a) Name two groups which lay eggs. _________________________ and _________________________ [1] (b) Name two groups which have a constant temperature. _________________________ and _________________________ [1] 5601.05 R 6 [Turn over (c) Give one characteristic shown by both fish and reptiles. Examiner Only Marks Remark _______________________________________________________ [1] (d) Give one characteristic found only in mammals. _______________________________________________________ [1] (e) Give one difference between amphibians and reptiles. _______________________________________________________ [1] 5601.05 R 7 [Turn over 6 The diagram shows the elbow joint, when the arm is bent. Examiner Only Marks Remark Biceps muscle (a) Name this type of joint. ___________________________ [1] (b) Complete the diagram to show the position of the triceps muscle. [2] (c) Describe what happens to the biceps and triceps when the arm straightens. Biceps _______________________________ Triceps ______________________________ 5601.05 R [1] [1] 8 [Turn over 7 (a) Complete the table. Examiner Only Marks Human characteristic Type of variation Remark Cause of the variation Continuous Environmental Tongue rolling [3] (b) Explain what is meant by continuous variation. _________________________________________________________ _________________________________________________________ _______________________________________________________ [1] > > The diagram shows graphs drawn from data collected during biology experiments. A x B x x x x x x x x > > > C > (c) Which is the graph for height? tongue rolling? 5601.05 R ________________ [1] [1] 9 [Turn over 8 The risk of skin cancer can be reduced. Examiner Only Marks Remark (a) What is cancer? _______________________________________________________ [1] (b) What is formed by cancer cells? ______________________________ [1] (c) What is the main cause of skin cancer? _______________________________________________________ [1] (d) Give two precautions which would help reduce the risk of skin cancer. _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] (e) Give one difference between malignant and benign cancer. _________________________________________________________ _______________________________________________________ [1] 5601.05 R 10 [Turn over 9 (a) Complete the table of changes which happen during puberty. Examiner Only Marks Change during puberty Boys Remark Girls Growth spurt [1] Yes No Menstruation [1] [1] (b) Name the hormone which causes these changes in girls and describe where it is produced. _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] 5601.05 R 11 [Turn over 10 The diagram shows a method used to investigate microorganisms. Examiner Only Marks Remark Streak the sample of microorganism on to a sterile agar plate Tape Seal the plate with tape Incubate at 20 C 20 C Adapted from: C. J. Clegg, Microbes in Action (a) Name two groups of microorganisms. 1. _____________________________ [1] 2. _____________________________ [1] (b) Use the diagram and your knowledge to describe two ways unwanted microorganisms can be prevented from entering the agar plate while streaking the sample. _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] 5601.05 R 12 [Turn over (c) Explain why the agar plate is sealed with tape. Examiner Only Marks Remark _________________________________________________________ _______________________________________________________ [1] (d) Why is the agar plate incubated at 20 C and not at 37 C? _______________________________________________________ [1] 5601.05 R 13 [Turn over 11 Carbohydrates contain the element carbon. Examiner Only Marks Remark (a) (i) Name the other two elements found in carbohydrates. _______________________ and _______________________ [2] (ii) Name the carbohydrate found in fibre. _________________________ [1] used in respiration. _____________________ [1] A 50 g serving of pasta contains 756 kJ of energy. (b) (i) Calculate the energy content of 100 g of pasta. ___________________________ kJ [1] (ii) Suggest which of the foods below would provide most energy. Potatoes Butter Cabbage ______________________________ [1] 5601.05 R 14 [Turn over 12 The diagram shows a human heart. Examiner Only Marks Remark B A (a) Name parts A and B. A _________________________________ [1] B _________________________________ [1] (b) Explain why the wall of the left ventricle is thicker than the right. _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] (c) Describe two factors which can contribute to heart disease. _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] 5601.05 R 15 [Turn over 13 (a) Name one substance, produced by burning fossil fuels, Examiner Only Marks Remark which causes acid rain. _______________________________________________________ [1] which blackens leaves and reduces photosynthesis. _______________________________________________________ [1] The flowchart summarises what happens when large amounts of nitrates pass into a lake. Large amounts of nitrate Algal growth Algal death Bacterial decomposition Fish death (b) (i) Give two sources of nitrates which pass into lakes. 1. _____________________________ [1] 2. _____________________________ [1] (ii) Explain how bacterial decomposition causes the death of fish. _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] (iii) Name the process summarised in the flowchart. ______________________ [1] 5601.05 R 16 [Turn over 14 The diagram shows part of the carbon cycle. Examiner Only Marks CARBON DIOXIDE IN AIR Photosynthesis C A A Carbon compounds in PLANTS Carbon compounds in ANIMALS Carbon compounds in SOIL Decomposers break down dead plants and animals Fossil fuels B (a) Name the processes A, B and C. A _____________________________ [1] B _____________________________ [1] C _____________________________ [1] (b) Use the diagram to describe how carbon, from the air, is passed through a food chain and back into the air by decomposers. Quality of written communication will be assessed in this question. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [3] Quality of written communication 5601.05 R [2] 17 Remark THIS IS THE END OF THE QUESTION PAPER 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. 1847-074-1

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