[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-detail-208124-en":3,"doc-seo-208124-105":30,"detail-sidebar-cat-0-en-105":91},{"code":4,"msg":5,"data":6},0,"success",{"doc_id":7,"user_id":8,"nickname":9,"user_avatar":10,"doc_module":4,"category_id":11,"category_name":12,"doc_title":13,"doc_description":14,"doc_content":15,"file_id":16,"file_url":17,"file_type":18,"file_size":19,"view_count":20,"is_deleted":4,"is_public":20,"is_downloadable":20,"audit_status":20,"page_count":21,"language":22,"language_code":23,"site_id":24,"html_lang":23,"table_of_contents":25,"faqs":26,"seo_title":27,"seo_description":14,"update_tm":28,"read_time":29},208124,7971474921005,"Grenda","https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0",4,"Exam","GCSE Biology - Unit 2 - Foundation Tier - 7-Summer 2024 - Paper","GCSE Biology Unit 2 Foundation Tier exam paper for summer 2024. The assessment targets core biology concepts through structured questions on osmosis in plant cells, the circulatory system including double circulation, and links between body mass and the risk of Type 2 diabetes. It also tests understanding of DNA molecule structure, communicable diseases, and includes calculations and short answer reasoning across multiple-mark questions.","General Certificate of Secondary Education 2024 \nCentre Number \n\n| | | | | |\n| --- | --- | --- | --- | --- |\n\nCandidate Number \n\n| | | | |\n| --- | --- | --- | --- |\n\nBiology \nUnit 2 \nFoundation Tier \n[GBL21] \nTUESDAY 11 JUNE, MORNING \nMV18 \nTime \n1 hour 30 minutes, plus your additional time allowance. \nInstructions to Candidates \nWrite your Centre Number and Candidate Number in the spaces provided at the top of this page. \nYou must answer the questions in the spaces provided. Do not write on blank pages. \nComplete in black ink only. Answer all twelve questions. \nInformation for Candidates \nThe total mark for this paper is 90. \nFigures in brackets printed at the end of each question indicate the marks awarded to each question or part question. \nQuality of written communication will be assessed in Question 10(b) . \n1 The diagram shows the effect of osmosis on a plant cell which had been left in water for one hour. \nLook at the diagram. \nChoose words from the list to complete the \nsentences opposite which describe osmosis and its effect on this plant cell. [6 marks] \nfully \ndilute plasmolysed membrane water \nwall \nsugar concentrated selectively turgid \n􀁹 Osmosis is the movement of \nmolecules \nfrom a solution toa solution through \na permeable membrane. \n􀁹 The cell stops the plant cell from bursting. \n􀁹 After one hour in water, the plant cell becomes \n13855.02 MV18 \n3 \n[Turn over \n2 Some blood vessels transport blood to organs. \n(a) Draw a straight line to link each blood vessel to the correct organ. [3 marks] \nBlood vessel Organ \nvena cava \nrenal artery \npulmonary artery \nhepatic artery \nliver \nheart \nkidney \nlungs \nThe human circulatory system is described as a double circulation. \n(b) What is a double circulation? [2 marks] \n\n| |\n| --- |\n| |\n\n13855.02 MV18 \n5 \n[Turn over \n3 The table shows how the body mass of males and females may affect their risk of developing Type 2 diabetes. \n\n| Body mass | Risk of developing Type 2 diabetes / % | |\n| --- | --- | --- |\n| | Males | Females |\n| underweight | 10 | 6 |\n| healthy weight | 17 | 19 |\n| overweight | 32 | 29 |\n| obese | 51 | 55 |\n\nLook at the table. \n(a) Obese males have a greater risk of developing Type 2 diabetes than males with a healthy weight. \nCalculate how many times greater. [2 marks] Show your working. \n times \n(b) Obesity can also increase the risk of other types of disease. \nName one of these types of disease. [1 mark] \n(c) Give two lifestyle changes a person could make to help them lose weight. [2 marks] \n1. \n2. \n13855.02 MV18 \n7 \n[Turn over \n4 The diagram shows part of a DNA molecule. \nX \nY \n| G | | |\n| --- | --- | --- |\n| | | |\n\n| C | | |\n| --- | --- | --- |\n| | | |\n\n| T | | |\n| --- | --- | --- |\n\nLook at the diagram. \n(a) Name parts X and Y. [2 marks] \nX \nY \n(b) Complete the diagram by writing the letters of the three missing bases in the boxes. [2 marks] \n(c) What term is used to describe the shape of a DNA molecule? [1 mark] \n(d) What term is used to describe the entire genetic material of an organism? [1 mark] \n13855.02 MV18 \n9 \n[Turn over \n5 The table gives information about three communicable diseases caused by microorganisms. \n(a) Complete the table. [5 marks] \n\n| Disease | Type of\u003Cbr>microorganism | How the disease is spread | Prevention |\n| --- | --- | --- | --- |\n| flu | | droplet infection | vaccination |\n| | fungus | damp feet | dry feet thoroughly |\n| chlamydia | | | |\n\n(b) Describe how flu is spread by droplet infection.[2 marks]","cbCaiaQaXSnasNTx","https://ap.wps.com/l/cbCaiaQaXSnasNTx","pdf",510334,1,32,"English","en",105,"# Osmosis in plant cells\n## Osmosis definition and effects\n# Human circulatory system\n## Matching blood vessels to organs\n## Double circulation\n# Type 2 diabetes risk and body mass\n## Calculations of relative risk\n## Other disease risks and lifestyle changes\n# DNA molecule structure\n## Naming parts of DNA\n## Completing DNA bases\n## DNA shape and genetic material terms\n# Communicable diseases\n## Completing disease table\n## Explaining disease spread","[{\"question\":\"What biological processes are tested in the osmosis question?\",\"answer\":\"The paper tests osmosis as movement of molecules through a permeable membrane and how it affects a plant cell after being left in water for one hour.\"},{\"question\":\"What does the exam ask about the circulatory system?\",\"answer\":\"It asks students to match blood vessels to the correct organs and to explain what double circulation means.\"},{\"question\":\"How does the paper relate obesity to Type 2 diabetes risk?\",\"answer\":\"Students use a table of risks to calculate how many times greater the risk is for obese males compared with males of healthy weight, and they suggest lifestyle changes to lose weight.\"}]","GCSE Biology - 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