[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-268899-105":59,"doc-detail-268899-en":131},{"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":124,"head_meta":126,"extra_data":128,"updated_unix":130},105,"en","combined-science-sample-paper-20222023-questions","Combined Science Sample Paper - 2022/2023 - Questions","","Combined Science Sample Paper (2022/2023) contains structured exam-style questions covering genetics, ecosystems, and evolution, including allele dominance, homozygosity, and genetic diagrams. It also assesses ecological concepts such as food chains, producer/consumer roles, pyramids of numbers and biomass, and energy transfer efficiency. Additional sections test evolution in horse ancestors, photosynthesis fundamentals and experimental design, and core chemistry knowledge on atoms, bonding, and reaction rates.",{"@graph":69,"@context":123},[70,84,106],{"@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/combined-science-sample-paper-20222023-questions/268899/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/combined-science-sample-paper-20222023-questions/268899.png","ImageObject",300,407,{"name":92,"@type":93},"WPS_1786070896","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-31","2026-09-15",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",12,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"How do the questions test genetics understanding?","Question",{"text":113,"@type":114},"The paper asks for definitions of allele and homozygous, interpretation of inheritance outcomes, and explanations using genetic information, including drawing a genetic diagram.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"What ecology concepts are covered in the food chain questions?",{"text":118,"@type":114},"It covers identifying producers and primary consumers, describing ecological pyramids of numbers, drawing a numbers pyramid, comparing biomass pyramids, and explaining why only about 10% of energy transfers between trophic levels.",{"name":120,"@type":111,"acceptedAnswer":121},"What chemistry topics appear in the reaction rate and atom questions?",{"text":122,"@type":114},"The paper includes atomic structure basics (nucleus content and overall charge) and reaction rates, including factors affecting rate, identifying a catalyst-like substance, and completing a sentence about particles gaining more energy when temperature increases.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},268899,1789438752,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":140,"language":141,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":142,"faqs":143,"seo_title":144,"seo_description":67,"update_tm":130,"read_time":26},549768072016,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Combined Science Sample Paper-2022/2023  \n2  \n\n| 1 Eye colour is controlled by genes.\u003Cbr>The dominant allele of the gene (B) produces brown eyes, whereas the recessive\u003Cbr>allele produces blue eyes (b) .\u003Cbr>1(a) Define the term allele.\u003Cbr>[1 mark] |  |\n| --- | --- |\n| 1(b) A homozygous brown eyed man and a homozygous blue-eyed woman have three\u003Cbr>children.\u003Cbr>All three children have brown eyes.\u003Cbr>State what is meant by the term homozygous.\u003Cbr>[1 mark] |  |\n| 1(c) | Draw a genetic diagram to represent the information above. |\n| [2 marks]\u003Cbr>1(d) Using your answer to part (c), explain why all of the children have brown eyes.\u003Cbr>[1 mark]\u003Cbr>Turn over for next question |  |\n\n5  \nTurn over ►  \n3  \n\n| 2 Feeding relationships within an ecosystem can be shown using food chains. The food chain below describes a forest ecosystem.\u003Cbr>2(a) Name the producer in this food chain.\u003Cbr>[1 mark]\u003Cbr>|  |\n| --- | --- |\n| 2(b) Name the primary consumer in this food chain.\u003Cbr>[1 mark] |  |\n| 2(c) | State what an ecological pyramid of numbers represents. |\n| [1 mark]\u003Cbr>2(d) Draw a pyramid of numbers drawn for this food chain.\u003Cbr>[2 marks]\u003Cbr>Question continued on next page |  |\n\n5  \nTurn over ►  \n4  \n2(e) Describe how a pyramid of biomass for the same food chain would differ from the  \npyramid of numbers.  \n[2 marks]  \n\n|  |\n| --- |\n|  |\n\n2(f) Explain why only around 10 % of energy is transferred from one trophic level to the  \nnext.  \n[2 marks]  \n\n|  |\n| --- |\n|  |\n\n2(g) There are many different factors that affect the number and distribution of organisms  \nin an ecosystem.  \nState one biotic factor and one abiotic factor in a forest ecosystem  \n[2 marks]  \nTurn over for next question  \n6  \nTurn over ►  \n5  \n3 The diagram shows changes in the foot bones of four ancestors of horses over the past  \n50 million years.  \nThe shaded bones are the bones which touched the ground when moving or  \nstanding.  \n3(a) State two visible changes to the bones in the feet of these ancestors that have taken  \nplace over the last 50 million years.  \n[2 marks]  \n1.  \n2.  \n3(b) Eohippus lived in swampy areas with soft mud.  \nSince this time the ground in the habitat has become drier and harder.  \nExplain how the arrangement of the foot bones could have evolved from the  \nEohippus to the Equus.  \nUse Darwin’s theory of evolution by natural selection to support your answer.  \n[3 marks]  \n\n|  |\n| --- |\n|  |\n|  |\n|  |\n\nTurn over for next question  \n5  \nTurn over ►  \n6  \n4 Plants make their own food by the process of photosynthesis.  \n4(a) State the word equation for photosynthesis.  \n[2 marks]  \n4(b) Identify source of energy required for photosynthesis  \n[1 mark]  \n4(c) State two environmental factors that can limit the rate of photosynthesis.  \n[2 marks]  \n1.  \n2.  \nQuestion continues on next page.  \n5  \nTurn over ►  \n7  \n4(d) A student investigates how light intensity affects the rate of photosynthesis using  \npondweed.  \nThey set up the apparatus as follows.  \nDescribe the procedure the student should use  \n[4 marks]  \n\n|  |\n| --- |\n|  |\n|  |\n|  |\n|  |\n|  |\n|  |\n\nQuestion continues on next page  \n4  \nTurn over ►  \n8  \n4(e) State two control variables in this experiment.  \n[2 marks]  \n1.  \n2.  \n4(f) Explain the results you would expect the student to see from this experiment, and  \nwhat conclusion can be made on how light intensity affects the rate of photosynthesis  \n[2 marks]  \n\n|  |\n| --- |\n|  |\n|  |\n\nTurn over for next question  \n4  \nTurn over ►  \n9  \n5 Objects are made up of particles called atoms.  \n5(a) Complete the sentences  \nThe nucleus contains   and    \n[1 mark]  \n5(b) An atom has no overall charge because there are an equal number of  \n  and    \n[1 mark]  \n5(c) Atoms bond together to form ……………………. .  \n[1 mark]  \nTurn over for next question  \n3  \nTurn over ►  \n10  \n6 This question is about rates of reaction.  \n6(a) Identify the change you would not expect to affect the rate of reaction to increase.  \nA. Increasing the temperature  \nB. Decreasing the particle","cbCaicCeROPIn3Gv","https://ap.wps.com/l/cbCaicCeROPIn3Gv","pdf",461797,24,"English","# Genetics\n## Alleles and homozygosity\n## Genetic diagrams and inheritance\n# Ecosystems and ecology\n## Food chains, producers and consumers\n## Pyramids of numbers and biomass\n## Energy transfer and ecological factors\n# Evolution and horse foot bones\n## Changes over 50 million years\n## Natural selection explanation\n# Photosynthesis\n## Word equation and energy source\n## Environmental limitations\n## Experiment procedure and controls\n# Atomic structure and chemistry\n## Nucleus and overall charge\n## Bonding\n## Rates of reaction","[{\"question\":\"How do the questions test genetics understanding?\",\"answer\":\"The paper asks for definitions of allele and homozygous, interpretation of inheritance outcomes, and explanations using genetic information, including drawing a genetic diagram.\"},{\"question\":\"What ecology concepts are covered in the food chain questions?\",\"answer\":\"It covers identifying producers and primary consumers, describing ecological pyramids of numbers, drawing a numbers pyramid, comparing biomass pyramids, and explaining why only about 10% of energy transfers between trophic levels.\"},{\"question\":\"What chemistry topics appear in the reaction rate and atom questions?\",\"answer\":\"The paper includes atomic structure basics (nucleus content and overall charge) and reaction rates, including factors affecting rate, identifying a catalyst-like substance, and completing a sentence about particles gaining more energy when temperature increases.\"}]","Combined Science Sample Paper - 2022/2023 - Questions | PDF"]