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UK GCSE 2008 : Foundation Tier, Biology Paper 1

20 pages, 40 questions, 1 questions with responses, 1 total responses,

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Centre Number 71 Candidate Number General Certificate of Secondary Education 2008 Paper 1 Foundation Tier G0901 Science: Biology [G0901] WEDNESDAY 21 MAY, AFTERNOON TIME 1 hour. 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. For Examiner s use only Question Number 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(c). 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 G091F8 3655 Marks 1 (a) Complete the table. Examiner Only Marks Organ Remark Function Photosynthesis Flower Support Root [4] (b) Why is it an advantage for plants to have a lar ge number of leaves? _________________________________________________________ ______________________________________________________ [1] G091F8 3655 2 [Turn over The diagram shows a molar tooth. 2 Examiner Only Marks Remark A B C Gum (a) Name parts A, B and C. A ____________________________ [1] B ____________________________ [1] C ____________________________ [1] (b) Explain why fluoride is added to toothpaste. _________________________________________________________ ______________________________________________________ [2] G091F8 3655 3 [Turn over 3 The drawings show several invertebrates. Examiner Only Marks A B Remark C D E Pincers Source: P. T. Bunyan, A First BIOLOGY COURSE, 1982, Stanley Thornes (Publishers) Ltd. Use the key to identify each invertebrate. Invertebrates 6 legs Wings No legs No wings Antennae Pincers on rear SLUG EARTHWORM No pincers on rear EARWIG MIDGE No antennae ROVE BEETLE A __________________________ [1] B __________________________ [1] C __________________________ [1] D __________________________ [1] E __________________________ [1] G091F8 3655 4 [Turn over The diagram shows part of the human digestive system. 4 Examiner Only Marks Remark A B Small intestine C (a) Name parts A, B and C. A ____________________________ [1] B ____________________________ [1] C ____________________________ [1] (b) Describe two ways the small intestine provides a lar ge surface area for absorption. _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] G091F8 3655 5 [Turn over 5 The diagram shows part of a human arm. Examiner Only Marks Remark Triceps (a) Complete the diagram of the biceps muscle. [2] (b) Name the type of joint found at the elbow . __________________________________ [1] (c) Explain how the muscles lift the forearm. _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] G091F8 3655 6 [Turn over 6 Complete the table. Examiner Only Marks Arteries Presence of Valves Blood Pressure No Wall High Thin Capillaries Remark Low No [5] G091F8 3655 7 [Turn over 7 In pea plants, the shape of the pea (seed) is controlled by a single gene. The dominant allele, R, produces a round pea. The recessive allele, r, produces a wrinkled pea. Round pea Examiner Only Marks Remark Wrinkled pea (a) Give the two possible genotypes of a plant producing round peas. Genotypes _____________________ or _____________________ [2] (b) A plant producing round peas was crossed with a plant which produced wrinkled peas. (i) Complete the Punnett square. Wrinkled __ r Round r R r [2] (ii) Give the phenotypes of the peas produced by this cross. Phenotypes G091F8 3655 __________________ and __________________ [2] 8 [Turn over 8 Bread dough was made by mixing flour , sugar and yeast with water. The dough was placed in a test tube and left in a warm water bath for one hour. Examiner Only Marks Remark Dough Warm water bath Dough at start Dough after 1 hour (a) Name the living organism used in making bread dough. __________________________________ [1] (b) Describe one change, seen in the diagram, which takes place in the dough after one hour. ______________________________________________________ [1] (c) Name the process, carried out by the yeast, which causes dough to rise. ______________________________________________________ [1] (d) Explain what causes the change in the dough after one hour . _________________________________________________________ ______________________________________________________ [2] (e) Name the product, made by the yeast, which evaporates when the dough is baked. __________________________________ [1] G091F8 3655 9 [Turn over The diagram shows a flower from a horse chestnut tree. 9 Examiner Only Marks Remark Coloured petals A B C (a) Name parts A, B and C. A ____________________________ [1] B ____________________________ [1] C ____________________________ [1] (b) Describe how this flower is cross pollinated. _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] G091F8 3655 10 [Turn over 10 The table shows the daily recommended allowances of some nutrients in an adult diet. Energy 45 g Carbohydrate 230 g Fat 70 g Fibre Remark Daily Recommended Allowance 4800 J Protein Examiner Only Marks 24 g Nutrient "The "Nutritional Information" name and image is reproduced with the kind permission of Soci t des Produits Nestl S.A.". (a) Use the information in the table to explain the term starvation. _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] (b) Explain why your diet should contain protein. __________________________________________________ ______________________________________________________ [1] _____________________________________________________ fibre. ______________________________________________________ [1] (c) Name one example of a vitamin and give its function in the body . V itamin ____________________ Function [1] _________________________________________________ ______________________________________________________ [1] G091F8 3655 11 [Turn over 11 The diagram shows some of the apparatus and reagents used for food tests. Examiner Only Marks Iodine Biuret Benedict s Remark Water (a) Name the reagent used to test for sugar . _____________________________ [1] (b) Describe how the apparatus is used to test for sugar . _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] (c) Give the colour change expected if the test was positive. ______________________________________________________ [1] (d) Explain why sugar is needed in the diet. ______________________________________________________ [1] (e) Which of the reagents, shown above, would be used to test for protein? ______________________________________________________ [1] G091F8 3655 12 [Turn over 12 The drawing shows a food web. Periwinkles Seal Crab Seaweed Limpet Seagull Starfish Oxford University Press from New Coordinated Science, Biology by Brian Beckett & RoseMarie Gallager (OUP, 2001) reprinted by permission of Oxford University Press (a) Complete the food chain from this food web. Seaweed Crab Examiner Only Marks Remark [2] (b) Give the original source of ener gy for this food chain. __________________________ [1] (c) Name the producer in this food chain. __________________________ [1] (d) Describe and explain what would happen to the periwinkle population if all the seals died. _________________________________________________________ ______________________________________________________ [2] G091F8 3655 13 [Turn over 13 The diagrams show a normal male reproductive system and one with prostate cancer. Normal Examiner Only Marks Remark Prostate cancer prostate gland Adapted from: D Mackean and B. Jones. Introduction to Human & Social Biology. John Murray (1975) (a) Describe one difference between the diagrams and suggest how the difference could explain why a male with prostate cancer passes urine more often. Dif ference ________________________________________________ ______________________________________________________ [1] Explanation _______________________________________________ ______________________________________________________ [1] (b) What is cancer? ______________________________________________________ [1] G091F8 3655 14 [Turn over (c) Explain why early detection of cancer is important. Examiner Only Marks Remark _________________________________________________________ _________________________________________________________ ______________________________________________________ [2] (d) Describe two ways cancer can be treated. 1. ____________________________________________________ [1] 2. ____________________________________________________ [1] G091F8 3655 15 [Turn over 14 The diagram shows a mould growing on bread. Examiner Only Marks Remark A Feeding hypha Bread Biology Alive by J Bushell & P Nicholson, 1985, published by Collins Educational, ISBN 0003277577. Reprinted by permission of Harper Collins Publishers Ltd. http://harpercollins.co.uk (a) Name the group to which moulds belong. __________________________ [1] (b) Name and give the function of part A. A Function G091F8 3655 __________________________ [1] _______________________________________________ [1] 16 [Turn over The diagram shows an enlarged section of the feeding hypha from this mould. Examiner Only Marks Remark Section of feeding hypha Enzymes produced Absorption Starch Sugars bread (c) Use the information in the diagram to help describe how the or ganism feeds. The quality of written communication will be assessed in this question. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [3] Quality of written communication [2] THIS IS THE END OF THE QUESTION PAPER G091F8 3655 17 [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 3/07 529-002-1 G091F8 3655 20 [Turn over

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