[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-207412-105":59,"doc-detail-207412-en":124},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":117,"head_meta":119,"extra_data":121,"updated_unix":123},105,"en","gcse-biology-higher-tier-paper-1-h","GCSE Biology Higher Tier Paper 1 H","","GCSE Biology Higher Tier Paper 1 tests core biological understanding through practical and theory-based questions. Students interpret microscope observations to identify laboratory equipment and explain why cells may not be visible. The paper compares animal and plant cell structures and explains osmotic bursting of red blood cells versus stability of plant cells. It also assesses antibiotic effectiveness, aseptic technique, and bacterial growth calculations. Finally, it applies BMI calculations and links BMI categories to predicted life expectancy data.",{"@graph":69,"@context":116},[70,84,99],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/gcse-biology-higher-tier-paper-1-h/207412/",{"url":83,"name":65,"@type":85,"author":86,"headline":65,"publisher":89,"fileFormat":92,"inLanguage":63,"description":67,"dateModified":93,"datePublished":93,"encodingFormat":92,"isAccessibleForFree":94,"interactionStatistic":95},"DigitalDocument",{"name":87,"@type":88},"River Wang","Person",{"url":74,"name":90,"@type":91},"DocShare","Organization","application/pdf","2026-09-05",true,{"@type":96,"interactionType":97,"userInteractionCount":4},"InteractionCounter",{"@type":98},"ViewAction",{"@type":100,"mainEntity":101},"FAQPage",[102,108,112],{"name":103,"@type":104,"acceptedAnswer":105},"What laboratory equipment can a student use to prepare cells for viewing with a microscope?","Question",{"text":106,"@type":107},"The paper asks students to name two pieces of equipment suitable for preparing cells for microscopic viewing.","Answer",{"name":109,"@type":104,"acceptedAnswer":110},"Why do red blood cells burst in water while plant cells do not?",{"text":111,"@type":107},"Students must explain the different effects of placing cells in water, based on how each cell type responds to the surrounding solution.",{"name":113,"@type":104,"acceptedAnswer":114},"How do you calculate BMI and determine a person’s BMI category?",{"text":115,"@type":107},"BMI is calculated using body mass ÷ height², and the result is compared to the adult BMI categories shown in the question.","https://schema.org",{"og:url":83,"og:type":118,"og:title":65,"og:site_name":90,"og:description":67},"article",{"robots":120,"canonical":83},"index,follow",{"doc_id":122,"site_id":62},207412,1788599479,{"code":4,"msg":5,"data":125},{"doc_id":122,"user_id":126,"nickname":87,"user_avatar":127,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":128,"file_id":129,"file_url":130,"file_type":131,"file_size":132,"view_count":4,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":133,"language":134,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":135,"faqs":136,"seo_title":137,"seo_description":67,"update_tm":123,"read_time":138},1099514067438,"https://ap-avatar.wpscdn.com/avatar/100002539ee87300030?x-image-process=image/resize,m_fixed,w_180,h_180&k=1780474512215547542","| Please write clearly in block capitals. |  |  |  |\n| --- | --- | --- | --- |\n| Centre number |  | Candidate number |  |\n| Surname  \u003Cbr>Forename(s)  \u003Cbr>Candidate signature  \u003Cbr>I declare this is my own work. |  |  |  |\n\nGCSE BIOLOGY  \nHigher Tier Paper 1 H  \nH  \nTime allowed: 1 hour 45 minutes  \nMaterials  \nFor this paper you must have:  \n• a ruler  \n• a scientific calculator.  \nInstructions  \n• Use black ink or black ball-point pen.  \n• Pencil should only be used for drawing.  \n• Fill in the boxes at the top of this page.  \n• Answer all questions in the spaces provided.  \n• If you need extra space for your answer(s), use the lined pages at the end of this book. Write the question number against your answer(s) .  \n• Do all rough work in this book. Cross through any work you do not want to be marked.  \n• In all calculations, show clearly how you work out your answer.  \nInformation  \n• The maximum mark for this paper is 100.  \n• The marks for questions are shown in brackets.  \n• You are expected to use a calculator where appropriate.  \n• You are reminded of the need for good English and clear presentation in your answers.  \n\n| For Examiner’s Use |  |\n| --- | --- |\n| Question | Mark |\n| 1 |  |\n| 2 |  |\n| 3 |  |\n| 4 |  |\n| 5 |  |\n| 6 |  |\n| 7 |  |\n| TOTAL |  |\n\n*jun2184611H01*  \nIB/M/Jun21/E24  \n8461/1H  \n2  \n\n| Answer all questions in the spaces provided. |  |  |  |  |\n| --- | --- | --- | --- | --- |\n|  |  |  |  | A student prepared some animal cells to view using a microscope.\u003Cbr> Figure 1 shows the student preparing the cells.\u003Cbr> Figure 1\u003Cbr>\u003Cbr>Name two pieces of laboratory equipment the student could have used to prepare cells to view using a microscope.\u003Cbr>[2 marks]\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>|\n|  | 0 | 1 |  |  |\n|  |  |  |  |  |\n|  | 0 | 1 | .  1 |  |\n|  |  |  |  |  |\n\nDo not write outside the box  \n*02* IB/M/Jun21/8461/1H  \n3  \n\n|  |  |  |  |  | Figure 2 shows the student’s light microscope.\u003Cbr>\u003Cbr>Name part A.\u003Cbr>\u003Cbr>[1 mark]\u003Cbr>\u003Cbr>What is the function of part B?\u003Cbr> [1 mark] \u003Cbr>\u003Cbr>The student tried to look at the cells using the microscope.\u003Cbr>Suggest one reason why the student could not see any cells when looking through part A.\u003Cbr>[1 mark]\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>|\n| --- | --- | --- | --- | --- | --- |\n|  | 0 | 1 | . | 2 |  |\n|  |  |  |  |  |  |\n|  | 0 | 1 | . | 3 |  |\n|  |  |  |  |  |  |\n|  | 0 | 1 | . | 4 |  |\n|  |  |  |  |  |  |\n\nDo not write outside the box  \n*03*  \nTurn over ►  \nIB/M/Jun21/8461/1H  \n4  \nCompare the structure of a red blood cell with the structure of a plant cell.  \n[6 marks]   \n0  1  .  6 When placed into a beaker of water:  \n• a red blood cell bursts  \n• a plant cell does not burst.  \n Explain why the red blood cell bursts but the plant cell does not burst.  \n  [2 marks]  \nDo not write outside the box  \n|  |\n| --- |\n| 13 |\n\n*04* IB/M/Jun21/8461/1H  \n5  \n0  2 A student investigated the effectiveness of three different antibiotics   Figure 3 shows how the student set up an agar plate.  \nThe student used aseptic techniques to make sure that only one type of bacterium was growing on the agar.  \n| 0 | 2 | . | 1 |\n| --- | --- | --- | --- |\n\nDescribe two aseptic techniques the student should have used.  \n [2 marks]   \nTurn over ►  \n*05*  \nDo not write outside the box  \n6  \n\n|  |  |  |  |  | The student placed the agar plate in an incubator at 25 °C for 48 hours.\u003Cbr> Figure 4 shows the agar plate after48 hours \u003Cbr>\u003Cbr>\u003Cbr>Which antibiotic is the least  effective? Give a reason for your answer. \u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>[1 mark]\u003Cbr>\u003Cbr>Least effective antibiotic   \u003Cbr>\u003Cbr>|\n| --- | --- | --- | --- | --- | --- |\n|  | 0 | 2 | . | 2 |  |\n|  |  |  |  |  |  |\n\n*06* IB/M/Jun21/8461/1H  \nDo not write outside the box  \n7  \n\n|  |  |  |  |  | Calculate the area where no bacteria were growing for antibiotic C Use 3.14    \u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>| Do not\u003Cbr>outside box |  |\n| --- ","cbCaip21osaZJiqH","https://ap.wps.com/l/cbCaip21osaZJiqH","pdf",5083289,36,"English","# Part 1: Cell preparation and microscopy\n## Laboratory equipment for viewing animal cells\n## Light microscope parts and possible visibility issues\n# Part 2: Cell structure and osmosis\n## Red blood cell versus plant cell comparison\n## Explaining bursting and non-bursting behavior\n# Part 3: Antibiotics and aseptic technique\n## Aseptic techniques for agar plate experiments\n## Least effective antibiotic and reasons\n## Area calculation with no bacterial growth\n# Part 4: Body Mass Index (BMI)\n## Identifying BMI category\n## Calculating BMI values\n## Using BMI data to discuss life expectancy","[{\"question\":\"What laboratory equipment can a student use to prepare cells for viewing with a microscope?\",\"answer\":\"The paper asks students to name two pieces of equipment suitable for preparing cells for microscopic viewing.\"},{\"question\":\"Why do red blood cells burst in water while plant cells do not?\",\"answer\":\"Students must explain the different effects of placing cells in water, based on how each cell type responds to the surrounding solution.\"},{\"question\":\"How do you calculate BMI and determine a person’s BMI category?\",\"answer\":\"BMI is calculated using body mass ÷ height², and the result is compared to the adult BMI categories shown in the question.\"}]","GCSE Biology Higher Tier Paper 1 H | PDF",91]