Levels of Biological Organisation Quiz<\/title>\n<style>\n body {\n font-family: Arial, sans-serif;\n background: linear-gradient(135deg, #a1c4fd, #c2e9fb);\n display: flex;\n justify-content: center;\n align-items: flex-start;\n padding: 30px;\n min-height: 100vh;\n margin: 0;\n box-sizing: border-box;\n }\n .quiz-container {\n background: #fff;\n padding: 25px;\n border-radius: 12px;\n box-shadow: 0 4px 10px rgba(0,0,0,0.2);\n width: 90%;\n max-width: 800px;\n }\n h2 { text-align: center; color: #1e3c72; }\n .question { font-weight: bold; margin: 10px 0; line-height: 1.6; }\n .options label {\n display: block;\n margin: 8px 0;\n padding: 10px;\n border-radius: 6px;\n border: 1px solid #ccc;\n cursor: pointer;\n transition: 0.3s;\n }\n .options label:hover { background: #f0f0f0; }\n .correct {\n background-color: #c8f7c5 !important;\n border-color: #28a745 !important;\n }\n .wrong {\n background-color: #f8d7da !important;\n border-color: #dc3545 !important;\n }\n .explanation {\n background: #e9ecef;\n padding: 12px;\n margin-top: 10px;\n margin-bottom: 15px;\n border-left: 5px solid #2a5298;\n border-radius: 4px;\n display: none;\n line-height: 1.6;\n }\n .controls { text-align: center; margin-top: 15px; }\n button {\n background-color: #2a5298;\n color: white;\n border: none;\n padding: 10px 20px;\n border-radius: 6px;\n cursor: pointer;\n margin: 5px;\n }\n button:hover { background-color: #1e3c72; }\n input[type=\"text\"] {\n padding: 10px;\n width: 65%;\n max-width: 300px;\n border: 1px solid #ccc;\n border-radius: 6px;\n }\n #scoreboard {\n margin-top: 25px;\n background: #eef3f7;\n padding: 15px;\n border-radius: 8px;\n }\n #scoreboard h3 { text-align: center; }\n ol { padding-left: 20px; }\n hr { border: 0; border-top: 1px solid #ddd; margin: 20px 0; }\n @media(max-width:600px) {\n body { padding: 12px; }\n .quiz-container { width: 100%; padding: 16px; }\n }\n<\/style>\n<\/head>\n<body>\n<div class=\"quiz-container\">\n\n <h2>\ud83e\udde0 Levels of Biological Organisation Quiz<\/h2>\n\n <div id=\"nameSection\">\n <p><strong>Enter your name to start:<\/strong><\/p>\n <input type=\"text\" id=\"userName\" placeholder=\"Your Name\">\n <button onclick=\"startQuiz()\">Start Quiz<\/button>\n <\/div>\n\n <div id=\"quizSection\" style=\"display:none;\">\n <div id=\"questionContainer\"><\/div>\n\n <div class=\"controls\">\n <button onclick=\"prevQuestion()\" id=\"prevBtn\">Previous<\/button>\n <button onclick=\"nextQuestion()\" id=\"nextBtn\">Next<\/button>\n <button onclick=\"submitQuiz()\" id=\"submitBtn\" style=\"display:none;\">Submit<\/button>\n <\/div>\n\n <div id=\"result\" style=\"text-align:center; margin-top:20px;\"><\/div>\n\n <div id=\"scoreboard\">\n <h3>\ud83c\udfc6 Scoreboard<\/h3>\n <ol id=\"scoreList\"><\/ol>\n <\/div>\n <\/div>\n<\/div>\n\n<script>\nconst questions = [\n {\n question: \"1. Ek organ mein different types ke tissues kaise kaam karte hain?\",\n options: [\n \"A. Har tissue bina kisi function ke hota hai\",\n \"B. Sabhi tissues ek hi type ke cell ban jaate hain\",\n \"C. Different tissues milkar organ ka function perform karte hain\",\n \"D. Tissues milkar organism ko destroy karte hain\"\n ],\n correct: 2,\n explanation: \"Ek organ mein different tissues organised way mein kaam karte hain. Har tissue ka apna role hota hai, aur sab milkar organ ka overall function complete karte hain.<br><br><strong>Example:<\/strong> Stomach mein muscle tissue food ko mix karta hai, jabki stomach lining ki specialised cells digestive substances release karti hain.\"\n },\n {\n question: \"2. Heart ke muscle cells milkar mainly kya form karte hain?\",\n options: [\n \"A. Muscle tissue\",\n \"B. Digestive system\",\n \"C. Complete organism\",\n \"D. Nervous system\"\n ],\n correct: 0,\n explanation: \"Similar muscle cells milkar muscle tissue banati hain. Heart mein specialised cardiac muscle tissue hota hai, jo contract karke blood pump karne mein help karta hai.<br><br><strong>Example:<\/strong> Heart ki cardiac muscle cells rhythmic contractions karti hain, jisse blood body mein circulate hota hai.\"\n },\n {\n question: \"3. Kidney kis level of organisation ka example hai?\",\n options: [\n \"A. Cell\",\n \"B. Tissue\",\n \"C. Organ system\",\n \"D. Organ\"\n ],\n correct: 3,\n explanation: \"Kidney ek organ hai, kyunki ismein different types ke tissues organised hote hain. Iska important function blood ko filter karna aur urine formation mein help karna hai.<br><br><strong>Example:<\/strong> Human body mein kidneys blood se waste products aur excess water remove karne mein help karti hain.\"\n },\n {\n question: \"4. Human urinary system mein kidneys ke saath kaun-se organs urine ko collect aur remove karne mein help karte hain?\",\n options: [\n \"A. Heart aur lungs\",\n \"B. Ureters, urinary bladder aur urethra\",\n \"C. Brain aur spinal cord\",\n \"D. Stomach aur small intestine\"\n ],\n correct: 1,\n explanation: \"Kidneys urine banati hain, ureters use urinary bladder tak le jaate hain, bladder urine store karta hai aur urethra ke through urine body se bahar nikalta hai.<br><br><strong>Example:<\/strong> Jab urinary bladder mein urine collect hota hai, toh urination ke time urine urethra se bahar nikalta hai.\"\n },\n {\n question: \"5. Ek multicellular organism mein specialised cells ka kya advantage hai?\",\n options: [\n \"A. Sabhi cells ko same kaam karna padta hai\",\n \"B. Organism mein koi tissue nahi banta\",\n \"C. Different cells different functions efficiently perform kar sakti hain\",\n \"D. Organ systems ki zaroorat khatam ho jaati hai\"\n ],\n correct: 2,\n explanation: \"Multicellular organisms mein cells specialised hoti hain. Is division of labour se body ke different functions efficiently perform hote hain.<br><br><strong>Example:<\/strong> Red blood cells oxygen transport karti hain, nerve cells signals transmit karti hain aur muscle cells contraction karti hain.\"\n },\n {\n question: \"6. Agar similar cells ka group ek particular function perform karta hai, toh use kya kahenge?\",\n options: [\n \"A. Tissue\",\n \"B. Organ\",\n \"C. Organ system\",\n \"D. Organism\"\n ],\n correct: 0,\n explanation: \"Similar cells ka organised group, jo ek particular function perform karta hai, tissue kehlata hai.<br><br><strong>Example:<\/strong> Epithelial tissue body surfaces aur organs ki inner lining banane mein help karta hai.\"\n },\n {\n question: \"7. Human digestive system aur circulatory system milkar kaise help karte hain?\",\n options: [\n \"A. Dono sirf body movement karte hain\",\n \"B. Dono food ko directly oxygen mein badalte hain\",\n \"C. Dono ka body mein koi role nahi hai\",\n \"D. Digestive system nutrients provide karta hai aur circulatory system unhe transport karta hai\"\n ],\n correct: 3,\n explanation: \"Digestive system food ko simpler substances mein break karta hai. Nutrients absorb hone ke baad blood unhe body ke different cells tak transport karta hai.<br><br><strong>Example:<\/strong> Roti se milne wala glucose intestine se absorb hokar blood ke through body cells tak pahunch sakta hai.\"\n },\n {\n question: \"8. Fertilised egg cell ko kya kaha jaata hai?\",\n options: [\n \"A. Tissue\",\n \"B. Zygote\",\n \"C. Organ\",\n \"D. Organ system\"\n ],\n correct: 1,\n explanation: \"Fertilisation ke time sperm aur egg fuse karte hain aur zygote form hota hai. Zygote repeatedly divide karke developing organism ki cells banata hai.<br><br><strong>Example:<\/strong> Human development mein sperm aur egg ke fusion se zygote banta hai, jo aage chal kar embryo develop karta hai.\"\n },\n {\n question: \"9. Inmein se kaunsa correct example hai: organ \u2192 organ system \u2192 organism?\",\n options: [\n \"A. Heart \u2192 Muscle tissue \u2192 Blood cell\",\n \"B. Neuron \u2192 Brain \u2192 Tissue\",\n \"C. Heart \u2192 Circulatory system \u2192 Human\",\n \"D. Kidney cell \u2192 Kidney \u2192 Tissue\"\n ],\n correct: 2,\n explanation: \"Heart ek organ hai, circulatory system ek organ system hai aur human ek complete organism hai.<br><br><strong>Example:<\/strong> Heart blood pump karta hai, blood vessels blood ko transport karti hain, aur dono circulatory system ke coordinated function mein contribute karte hain.\"\n },\n {\n question: \"10. Levels of organisation ko samajhna kyun important hai?\",\n options: [\n \"A. Yeh batata hai ki cells se lekar complete organism tak structures kaise organised hote hain\",\n \"B. Yeh prove karta hai ki organisms mein cells nahi hoti\",\n \"C. Yeh batata hai ki har organ independent kaam karta hai\",\n \"D. Yeh sirf plants mein organisation explain karta hai\"\n ],\n correct: 0,\n explanation: \"Levels of organisation se samajh aata hai ki small biological units organised hokar complex living body banati hain aur different levels ek-doosre par depend karte hain.<br><br><strong>Example:<\/strong> Cell \u2192 Tissue \u2192 Organ \u2192 Organ system \u2192 Organism. Human body mein muscle cells se muscle tissue, phir heart aur phir circulatory system ke level ko samajh sakte hain.\"\n }\n];\n\nlet currentQuestion = 0;\nlet score = 0;\nlet userAnswers = [];\nlet userName = \"\";\nlet submitted = false;\n\nfunction startQuiz() {\n userName = document.getElementById(\"userName\").value.trim();\n\n if (!userName) {\n alert(\"Please enter your name.\");\n return;\n }\n\n document.getElementById(\"nameSection\").style.display = \"none\";\n document.getElementById(\"quizSection\").style.display = \"block\";\n\n showQuestion();\n loadScoreboard();\n}\n\nfunction showQuestion() {\n const q = questions[currentQuestion];\n const container = document.getElementById(\"questionContainer\");\n\n container.innerHTML = `\n <p><strong>Question ${currentQuestion + 1} of ${questions.length}<\/strong><\/p>\n <div class=\"question\">${q.question}<\/div>\n <div class=\"options\">\n ${q.options.map((opt, i) => `\n <label>\n <input type=\"radio\" name=\"option\" value=\"${i}\"\n ${userAnswers[currentQuestion] === i ? 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{"id":5360,"date":"2026-11-02T14:24:30","date_gmt":"2026-11-02T14:24:30","guid":{"rendered":"https:\/\/apicalclasses.com\/?p=5360"},"modified":"2026-11-02T14:24:31","modified_gmt":"2026-11-02T14:24:31","slug":"class-8th-subject-sciencech2-5","status":"publish","type":"post","link":"https:\/\/apicalclasses.com\/?p=5360","title":{"rendered":"class 8th, subject science,ch2"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n\nLevels of Biological Organisation Quiz<\/title>\n<style>\n body {\n font-family: Arial, sans-serif;\n background: linear-gradient(135deg, #a1c4fd, #c2e9fb);\n display: flex;\n justify-content: center;\n align-items: flex-start;\n padding: 30px;\n min-height: 100vh;\n margin: 0;\n box-sizing: border-box;\n }\n .quiz-container {\n background: #fff;\n padding: 25px;\n border-radius: 12px;\n box-shadow: 0 4px 10px rgba(0,0,0,0.2);\n width: 90%;\n max-width: 800px;\n }\n h2 { text-align: center; color: #1e3c72; }\n .question { font-weight: bold; margin: 10px 0; line-height: 1.6; }\n .options label {\n display: block;\n margin: 8px 0;\n padding: 10px;\n border-radius: 6px;\n border: 1px solid #ccc;\n cursor: pointer;\n transition: 0.3s;\n }\n .options label:hover { background: #f0f0f0; }\n .correct {\n background-color: #c8f7c5 !important;\n border-color: #28a745 !important;\n }\n .wrong {\n background-color: #f8d7da !important;\n border-color: #dc3545 !important;\n }\n .explanation {\n background: #e9ecef;\n padding: 12px;\n margin-top: 10px;\n margin-bottom: 15px;\n border-left: 5px solid #2a5298;\n border-radius: 4px;\n display: none;\n line-height: 1.6;\n }\n .controls { text-align: center; margin-top: 15px; }\n button {\n background-color: #2a5298;\n color: white;\n border: none;\n padding: 10px 20px;\n border-radius: 6px;\n cursor: pointer;\n margin: 5px;\n }\n button:hover { background-color: #1e3c72; }\n input[type=\"text\"] {\n padding: 10px;\n width: 65%;\n max-width: 300px;\n border: 1px solid #ccc;\n border-radius: 6px;\n }\n #scoreboard {\n margin-top: 25px;\n background: #eef3f7;\n padding: 15px;\n border-radius: 8px;\n }\n #scoreboard h3 { text-align: center; }\n ol { padding-left: 20px; }\n hr { border: 0; border-top: 1px solid #ddd; margin: 20px 0; }\n @media(max-width:600px) {\n body { padding: 12px; }\n .quiz-container { width: 100%; padding: 16px; }\n }\n<\/style>\n<\/head>\n<body>\n<div class=\"quiz-container\">\n\n <h2>\ud83e\udde0 Levels of Biological Organisation Quiz<\/h2>\n\n <div id=\"nameSection\">\n <p><strong>Enter your name to start:<\/strong><\/p>\n <input type=\"text\" id=\"userName\" placeholder=\"Your Name\">\n <button onclick=\"startQuiz()\">Start Quiz<\/button>\n <\/div>\n\n <div id=\"quizSection\" style=\"display:none;\">\n <div id=\"questionContainer\"><\/div>\n\n <div class=\"controls\">\n <button onclick=\"prevQuestion()\" id=\"prevBtn\">Previous<\/button>\n <button onclick=\"nextQuestion()\" id=\"nextBtn\">Next<\/button>\n <button onclick=\"submitQuiz()\" id=\"submitBtn\" style=\"display:none;\">Submit<\/button>\n <\/div>\n\n <div id=\"result\" style=\"text-align:center; margin-top:20px;\"><\/div>\n\n <div id=\"scoreboard\">\n <h3>\ud83c\udfc6 Scoreboard<\/h3>\n <ol id=\"scoreList\"><\/ol>\n <\/div>\n <\/div>\n<\/div>\n\n<script>\nconst questions = [\n {\n question: \"1. Ek organ mein different types ke tissues kaise kaam karte hain?\",\n options: [\n \"A. Har tissue bina kisi function ke hota hai\",\n \"B. Sabhi tissues ek hi type ke cell ban jaate hain\",\n \"C. Different tissues milkar organ ka function perform karte hain\",\n \"D. Tissues milkar organism ko destroy karte hain\"\n ],\n correct: 2,\n explanation: \"Ek organ mein different tissues organised way mein kaam karte hain. Har tissue ka apna role hota hai, aur sab milkar organ ka overall function complete karte hain.<br><br><strong>Example:<\/strong> Stomach mein muscle tissue food ko mix karta hai, jabki stomach lining ki specialised cells digestive substances release karti hain.\"\n },\n {\n question: \"2. Heart ke muscle cells milkar mainly kya form karte hain?\",\n options: [\n \"A. Muscle tissue\",\n \"B. Digestive system\",\n \"C. Complete organism\",\n \"D. Nervous system\"\n ],\n correct: 0,\n explanation: \"Similar muscle cells milkar muscle tissue banati hain. Heart mein specialised cardiac muscle tissue hota hai, jo contract karke blood pump karne mein help karta hai.<br><br><strong>Example:<\/strong> Heart ki cardiac muscle cells rhythmic contractions karti hain, jisse blood body mein circulate hota hai.\"\n },\n {\n question: \"3. Kidney kis level of organisation ka example hai?\",\n options: [\n \"A. Cell\",\n \"B. Tissue\",\n \"C. Organ system\",\n \"D. Organ\"\n ],\n correct: 3,\n explanation: \"Kidney ek organ hai, kyunki ismein different types ke tissues organised hote hain. Iska important function blood ko filter karna aur urine formation mein help karna hai.<br><br><strong>Example:<\/strong> Human body mein kidneys blood se waste products aur excess water remove karne mein help karti hain.\"\n },\n {\n question: \"4. Human urinary system mein kidneys ke saath kaun-se organs urine ko collect aur remove karne mein help karte hain?\",\n options: [\n \"A. Heart aur lungs\",\n \"B. Ureters, urinary bladder aur urethra\",\n \"C. Brain aur spinal cord\",\n \"D. Stomach aur small intestine\"\n ],\n correct: 1,\n explanation: \"Kidneys urine banati hain, ureters use urinary bladder tak le jaate hain, bladder urine store karta hai aur urethra ke through urine body se bahar nikalta hai.<br><br><strong>Example:<\/strong> Jab urinary bladder mein urine collect hota hai, toh urination ke time urine urethra se bahar nikalta hai.\"\n },\n {\n question: \"5. Ek multicellular organism mein specialised cells ka kya advantage hai?\",\n options: [\n \"A. Sabhi cells ko same kaam karna padta hai\",\n \"B. Organism mein koi tissue nahi banta\",\n \"C. Different cells different functions efficiently perform kar sakti hain\",\n \"D. Organ systems ki zaroorat khatam ho jaati hai\"\n ],\n correct: 2,\n explanation: \"Multicellular organisms mein cells specialised hoti hain. Is division of labour se body ke different functions efficiently perform hote hain.<br><br><strong>Example:<\/strong> Red blood cells oxygen transport karti hain, nerve cells signals transmit karti hain aur muscle cells contraction karti hain.\"\n },\n {\n question: \"6. Agar similar cells ka group ek particular function perform karta hai, toh use kya kahenge?\",\n options: [\n \"A. Tissue\",\n \"B. Organ\",\n \"C. Organ system\",\n \"D. Organism\"\n ],\n correct: 0,\n explanation: \"Similar cells ka organised group, jo ek particular function perform karta hai, tissue kehlata hai.<br><br><strong>Example:<\/strong> Epithelial tissue body surfaces aur organs ki inner lining banane mein help karta hai.\"\n },\n {\n question: \"7. Human digestive system aur circulatory system milkar kaise help karte hain?\",\n options: [\n \"A. Dono sirf body movement karte hain\",\n \"B. Dono food ko directly oxygen mein badalte hain\",\n \"C. Dono ka body mein koi role nahi hai\",\n \"D. Digestive system nutrients provide karta hai aur circulatory system unhe transport karta hai\"\n ],\n correct: 3,\n explanation: \"Digestive system food ko simpler substances mein break karta hai. Nutrients absorb hone ke baad blood unhe body ke different cells tak transport karta hai.<br><br><strong>Example:<\/strong> Roti se milne wala glucose intestine se absorb hokar blood ke through body cells tak pahunch sakta hai.\"\n },\n {\n question: \"8. Fertilised egg cell ko kya kaha jaata hai?\",\n options: [\n \"A. Tissue\",\n \"B. Zygote\",\n \"C. Organ\",\n \"D. Organ system\"\n ],\n correct: 1,\n explanation: \"Fertilisation ke time sperm aur egg fuse karte hain aur zygote form hota hai. Zygote repeatedly divide karke developing organism ki cells banata hai.<br><br><strong>Example:<\/strong> Human development mein sperm aur egg ke fusion se zygote banta hai, jo aage chal kar embryo develop karta hai.\"\n },\n {\n question: \"9. Inmein se kaunsa correct example hai: organ \u2192 organ system \u2192 organism?\",\n options: [\n \"A. Heart \u2192 Muscle tissue \u2192 Blood cell\",\n \"B. Neuron \u2192 Brain \u2192 Tissue\",\n \"C. Heart \u2192 Circulatory system \u2192 Human\",\n \"D. Kidney cell \u2192 Kidney \u2192 Tissue\"\n ],\n correct: 2,\n explanation: \"Heart ek organ hai, circulatory system ek organ system hai aur human ek complete organism hai.<br><br><strong>Example:<\/strong> Heart blood pump karta hai, blood vessels blood ko transport karti hain, aur dono circulatory system ke coordinated function mein contribute karte hain.\"\n },\n {\n question: \"10. Levels of organisation ko samajhna kyun important hai?\",\n options: [\n \"A. Yeh batata hai ki cells se lekar complete organism tak structures kaise organised hote hain\",\n \"B. Yeh prove karta hai ki organisms mein cells nahi hoti\",\n \"C. Yeh batata hai ki har organ independent kaam karta hai\",\n \"D. Yeh sirf plants mein organisation explain karta hai\"\n ],\n correct: 0,\n explanation: \"Levels of organisation se samajh aata hai ki small biological units organised hokar complex living body banati hain aur different levels ek-doosre par depend karte hain.<br><br><strong>Example:<\/strong> Cell \u2192 Tissue \u2192 Organ \u2192 Organ system \u2192 Organism. Human body mein muscle cells se muscle tissue, phir heart aur phir circulatory system ke level ko samajh sakte hain.\"\n }\n];\n\nlet currentQuestion = 0;\nlet score = 0;\nlet userAnswers = [];\nlet userName = \"\";\nlet submitted = false;\n\nfunction startQuiz() {\n userName = document.getElementById(\"userName\").value.trim();\n\n if (!userName) {\n alert(\"Please enter your name.\");\n return;\n }\n\n document.getElementById(\"nameSection\").style.display = \"none\";\n document.getElementById(\"quizSection\").style.display = \"block\";\n\n showQuestion();\n loadScoreboard();\n}\n\nfunction showQuestion() {\n const q = questions[currentQuestion];\n const container = document.getElementById(\"questionContainer\");\n\n container.innerHTML = `\n <p><strong>Question ${currentQuestion + 1} of ${questions.length}<\/strong><\/p>\n <div class=\"question\">${q.question}<\/div>\n <div class=\"options\">\n ${q.options.map((opt, i) => `\n <label>\n <input type=\"radio\" name=\"option\" value=\"${i}\"\n ${userAnswers[currentQuestion] === i ? 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