\ud83e\udde0 Science Quiz \u2013 Cells and Living Organisms<\/title>\n\n<style>\nbody {\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}\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}\nh2 { text-align: center; color: #1e3c72; }\n.question { font-weight: bold; margin: 10px 0; }\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: 10px;\n margin-top: 10px;\n border-left: 5px solid #2a5298;\n display: none;\n}\n.controls { text-align: center; margin-top: 15px; }\nbutton {\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}\nbutton:hover { background-color: #1e3c72; }\n#scoreboard {\n margin-top: 25px;\n background: #eef3f7;\n padding: 15px;\n border-radius: 8px;\n}\n#scoreboard h3 { text-align: center; }\nol { padding-left: 20px; }\n<\/style>\n<\/head>\n\n<body>\n\n<div class=\"quiz-container\">\n\n <h2>\ud83e\udde0 Science Quiz \u2013 Cells and Living Organisms<\/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\n<\/div>\n\n<script>\n\nconst questions = [\n\n {\n question: \"1. Living organisms ke body ke tiny building blocks ko kya kehte hain?\",\n options: [\n \"A. Tissues\",\n \"B. Organs\",\n \"C. Cells\",\n \"D. Organ systems\"\n ],\n correct: 2,\n explanation: \"Cell living organisms ki basic structural aur functional unit hai. Living body cells se milkar bani hoti hai, aur cells life ke important functions perform karte hain.<br><br><strong>Example:<\/strong> Human body aur plants dono cells se bane hote hain.\"\n },\n\n {\n question: \"2. Multicellular organisms kise kehte hain?\",\n options: [\n \"A. Jinmein bahut saare cells hote hain\",\n \"B. Jinmein sirf ek cell hota hai\",\n \"C. Jinmein koi cell nahi hota\",\n \"D. Jo sirf water mein rehte hain\"\n ],\n correct: 0,\n explanation: \"Multi ka meaning many aur cellular ka relation cells se hai. Isliye many-celled organisms ko multicellular organisms kehte hain.<br><br><strong>Example:<\/strong> Humans, dogs aur mango plants multicellular organisms hain.\"\n },\n\n {\n question: \"3. Unicellular organisms kise kehte hain?\",\n options: [\n \"A. Jinmein bahut saare organs hote hain\",\n \"B. Jinmein sirf tissues hote hain\",\n \"C. Jinmein cells nahi hote\",\n \"D. Jinmein sirf ek cell hota hai\"\n ],\n correct: 3,\n explanation: \"Uni ka meaning one hai. Unicellular organism mein ek hi cell survival ke liye zaroori functions perform karta hai.<br><br><strong>Example:<\/strong> Bacteria aur Amoeba unicellular organisms ke examples hain.\"\n },\n\n {\n question: \"4. Unicellular organisms mein survival ke liye zaroori functions kaun perform karta hai?\",\n options: [\n \"A. Sirf heart\",\n \"B. Single cell\",\n \"C. Sirf brain\",\n \"D. Sirf roots\"\n ],\n correct: 1,\n explanation: \"Unicellular organism mein ek hi cell food processing, energy release aur doosre necessary life functions perform karta hai.<br><br><strong>Example:<\/strong> Amoeba ek single cell se bana hota hai, jo uske survival ke liye zaroori activities karta hai.\"\n },\n\n {\n question: \"5. Multicellular organisms mein cells specialised functions kyon perform karte hain?\",\n options: [\n \"A. Taaki saare cells same kaam karein\",\n \"B. Taaki organism mein life functions band ho jaayein\",\n \"C. Taaki different cells different tasks perform karke organism ki survival mein help karein\",\n \"D. Taaki organism ko cells ki zaroorat na rahe\"\n ],\n correct: 2,\n explanation: \"Multicellular organisms mein cells alag-alag functions ke liye specialised ho sakte hain. Ye cells ek-doosre ke saath cooperate bhi karte hain.<br><br><strong>Example:<\/strong> Red blood cells oxygen transport karte hain, jabki muscle cells movement mein help karte hain.\"\n },\n\n {\n question: \"6. Yeast kis type ka organism hai?\",\n options: [\n \"A. Unicellular fungus\",\n \"B. Multicellular animal\",\n \"C. Plant organ\",\n \"D. Non-living substance\"\n ],\n correct: 0,\n explanation: \"Yeast fungi group ka microorganism hai jo single cell se bana hota hai. Isliye ise unicellular fungus kehte hain.<br><br><strong>Example:<\/strong> Bread banane mein use hone wala yeast ek unicellular fungus hai.\"\n },\n\n {\n question: \"7. Mould kis type ka fungus hai?\",\n options: [\n \"A. Unicellular animal\",\n \"B. Non-living material\",\n \"C. Unicellular plant\",\n \"D. Multicellular fungus\"\n ],\n correct: 3,\n explanation: \"Mould mein many cells hote hain jo aksar branched, thread-like structures banate hain. Isliye mould ko multicellular fungus kaha jata hai.<br><br><strong>Example:<\/strong> Bread par grow hone wala bread mould multicellular fungus ka example hai.\"\n },\n\n {\n question: \"8. Inmein se kaun-sa pair unicellular organisms ka hai?\",\n options: [\n \"A. Human aur dog\",\n \"B. Bacteria aur Amoeba\",\n \"C. Mango plant aur rose plant\",\n \"D. Cat aur cow\"\n ],\n correct: 1,\n explanation: \"Bacteria aur Amoeba single-celled organisms hain. Humans, dogs, cats aur plants multicellular organisms hain.<br><br><strong>Example:<\/strong> Amoeba ek cell ki help se apni necessary life activities perform karta hai.\"\n },\n\n {\n question: \"9. Cell ko basic unit of life kyon kaha jata hai?\",\n options: [\n \"A. Kyunki cells sirf plants mein hote hain\",\n \"B. Kyunki cells non-living hote hain\",\n \"C. Kyunki cells living organisms ki structure banate hain aur life functions perform karte hain\",\n \"D. Kyunki har organism mein exactly ek cell hota hai\"\n ],\n correct: 2,\n explanation: \"Cells living organisms ke basic building blocks hain. Unicellular organisms mein ek cell life functions karta hai, jabki multicellular organisms mein different cells milkar kaam karte hain.<br><br><strong>Example:<\/strong> Human body mein cells tissues aur organs banane mein contribute karte hain.\"\n },\n\n {\n question: \"10. Algae aur fungi ke baare mein kaunsa statement sahi hai?\",\n options: [\n \"A. Inmein se kuch unicellular aur kuch multicellular ho sakte hain\",\n \"B. Sabhi algae multicellular hote hain\",\n \"C. Sabhi fungi unicellular hote hain\",\n \"D. Algae aur fungi living organisms nahi hain\"\n ],\n correct: 0,\n explanation: \"Algae aur fungi mein different forms milte hain. Kuch single-celled hote hain, jabki kuch many cells se bane hote hain.<br><br><strong>Example:<\/strong> Yeast unicellular fungus hai, jabki bread mould multicellular fungus hai. Kuch algae unicellular hote hain aur kuch multicellular.\"\n }\n\n];\n\nlet currentQuestion = 0;\nlet score = 0;\nlet userAnswers = [];\nlet userName = \"\";\n\nfunction startQuiz() {\n userName = document.getElementById(\"userName\").value.trim();\n\n if (!userName) {\n return alert(\"Please enter your name.\");\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 <div class=\"question\">${q.question}<\/div>\n\n <div class=\"options\">\n ${q.options.map((opt, i) => `\n <label>\n <input type=\"radio\" name=\"option\" value=\"${i}\"\n ${userAnswers[currentQuestion] == i ? \"checked\" : \"\"}>\n ${opt}\n <\/label>\n `).join(\"\")}\n <\/div>\n\n <div class=\"explanation\" id=\"explain${currentQuestion}\">\n ${q.explanation}\n <\/div>\n `;\n\n document.getElementById(\"prevBtn\").style.display =\n currentQuestion === 0 ? 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{"id":5384,"date":"2026-11-03T13:53:35","date_gmt":"2026-11-03T13:53:35","guid":{"rendered":"https:\/\/apicalclasses.com\/?p=5384"},"modified":"2026-11-03T13:53:35","modified_gmt":"2026-11-03T13:53:35","slug":"class-8th-subject-sciencech2-16","status":"publish","type":"post","link":"https:\/\/apicalclasses.com\/?p=5384","title":{"rendered":"class 8th, subject science,ch2"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n\n\ud83e\udde0 Science Quiz \u2013 Cells and Living Organisms<\/title>\n\n<style>\nbody {\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}\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}\nh2 { text-align: center; color: #1e3c72; }\n.question { font-weight: bold; margin: 10px 0; }\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: 10px;\n margin-top: 10px;\n border-left: 5px solid #2a5298;\n display: none;\n}\n.controls { text-align: center; margin-top: 15px; }\nbutton {\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}\nbutton:hover { background-color: #1e3c72; }\n#scoreboard {\n margin-top: 25px;\n background: #eef3f7;\n padding: 15px;\n border-radius: 8px;\n}\n#scoreboard h3 { text-align: center; }\nol { padding-left: 20px; }\n<\/style>\n<\/head>\n\n<body>\n\n<div class=\"quiz-container\">\n\n <h2>\ud83e\udde0 Science Quiz \u2013 Cells and Living Organisms<\/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\n<\/div>\n\n<script>\n\nconst questions = [\n\n {\n question: \"1. Living organisms ke body ke tiny building blocks ko kya kehte hain?\",\n options: [\n \"A. Tissues\",\n \"B. Organs\",\n \"C. Cells\",\n \"D. Organ systems\"\n ],\n correct: 2,\n explanation: \"Cell living organisms ki basic structural aur functional unit hai. Living body cells se milkar bani hoti hai, aur cells life ke important functions perform karte hain.<br><br><strong>Example:<\/strong> Human body aur plants dono cells se bane hote hain.\"\n },\n\n {\n question: \"2. Multicellular organisms kise kehte hain?\",\n options: [\n \"A. Jinmein bahut saare cells hote hain\",\n \"B. Jinmein sirf ek cell hota hai\",\n \"C. Jinmein koi cell nahi hota\",\n \"D. Jo sirf water mein rehte hain\"\n ],\n correct: 0,\n explanation: \"Multi ka meaning many aur cellular ka relation cells se hai. Isliye many-celled organisms ko multicellular organisms kehte hain.<br><br><strong>Example:<\/strong> Humans, dogs aur mango plants multicellular organisms hain.\"\n },\n\n {\n question: \"3. Unicellular organisms kise kehte hain?\",\n options: [\n \"A. Jinmein bahut saare organs hote hain\",\n \"B. Jinmein sirf tissues hote hain\",\n \"C. Jinmein cells nahi hote\",\n \"D. Jinmein sirf ek cell hota hai\"\n ],\n correct: 3,\n explanation: \"Uni ka meaning one hai. Unicellular organism mein ek hi cell survival ke liye zaroori functions perform karta hai.<br><br><strong>Example:<\/strong> Bacteria aur Amoeba unicellular organisms ke examples hain.\"\n },\n\n {\n question: \"4. Unicellular organisms mein survival ke liye zaroori functions kaun perform karta hai?\",\n options: [\n \"A. Sirf heart\",\n \"B. Single cell\",\n \"C. Sirf brain\",\n \"D. Sirf roots\"\n ],\n correct: 1,\n explanation: \"Unicellular organism mein ek hi cell food processing, energy release aur doosre necessary life functions perform karta hai.<br><br><strong>Example:<\/strong> Amoeba ek single cell se bana hota hai, jo uske survival ke liye zaroori activities karta hai.\"\n },\n\n {\n question: \"5. Multicellular organisms mein cells specialised functions kyon perform karte hain?\",\n options: [\n \"A. Taaki saare cells same kaam karein\",\n \"B. Taaki organism mein life functions band ho jaayein\",\n \"C. Taaki different cells different tasks perform karke organism ki survival mein help karein\",\n \"D. Taaki organism ko cells ki zaroorat na rahe\"\n ],\n correct: 2,\n explanation: \"Multicellular organisms mein cells alag-alag functions ke liye specialised ho sakte hain. Ye cells ek-doosre ke saath cooperate bhi karte hain.<br><br><strong>Example:<\/strong> Red blood cells oxygen transport karte hain, jabki muscle cells movement mein help karte hain.\"\n },\n\n {\n question: \"6. Yeast kis type ka organism hai?\",\n options: [\n \"A. Unicellular fungus\",\n \"B. Multicellular animal\",\n \"C. Plant organ\",\n \"D. Non-living substance\"\n ],\n correct: 0,\n explanation: \"Yeast fungi group ka microorganism hai jo single cell se bana hota hai. Isliye ise unicellular fungus kehte hain.<br><br><strong>Example:<\/strong> Bread banane mein use hone wala yeast ek unicellular fungus hai.\"\n },\n\n {\n question: \"7. Mould kis type ka fungus hai?\",\n options: [\n \"A. Unicellular animal\",\n \"B. Non-living material\",\n \"C. Unicellular plant\",\n \"D. Multicellular fungus\"\n ],\n correct: 3,\n explanation: \"Mould mein many cells hote hain jo aksar branched, thread-like structures banate hain. Isliye mould ko multicellular fungus kaha jata hai.<br><br><strong>Example:<\/strong> Bread par grow hone wala bread mould multicellular fungus ka example hai.\"\n },\n\n {\n question: \"8. Inmein se kaun-sa pair unicellular organisms ka hai?\",\n options: [\n \"A. Human aur dog\",\n \"B. Bacteria aur Amoeba\",\n \"C. Mango plant aur rose plant\",\n \"D. Cat aur cow\"\n ],\n correct: 1,\n explanation: \"Bacteria aur Amoeba single-celled organisms hain. Humans, dogs, cats aur plants multicellular organisms hain.<br><br><strong>Example:<\/strong> Amoeba ek cell ki help se apni necessary life activities perform karta hai.\"\n },\n\n {\n question: \"9. Cell ko basic unit of life kyon kaha jata hai?\",\n options: [\n \"A. Kyunki cells sirf plants mein hote hain\",\n \"B. Kyunki cells non-living hote hain\",\n \"C. Kyunki cells living organisms ki structure banate hain aur life functions perform karte hain\",\n \"D. Kyunki har organism mein exactly ek cell hota hai\"\n ],\n correct: 2,\n explanation: \"Cells living organisms ke basic building blocks hain. Unicellular organisms mein ek cell life functions karta hai, jabki multicellular organisms mein different cells milkar kaam karte hain.<br><br><strong>Example:<\/strong> Human body mein cells tissues aur organs banane mein contribute karte hain.\"\n },\n\n {\n question: \"10. Algae aur fungi ke baare mein kaunsa statement sahi hai?\",\n options: [\n \"A. Inmein se kuch unicellular aur kuch multicellular ho sakte hain\",\n \"B. Sabhi algae multicellular hote hain\",\n \"C. Sabhi fungi unicellular hote hain\",\n \"D. Algae aur fungi living organisms nahi hain\"\n ],\n correct: 0,\n explanation: \"Algae aur fungi mein different forms milte hain. Kuch single-celled hote hain, jabki kuch many cells se bane hote hain.<br><br><strong>Example:<\/strong> Yeast unicellular fungus hai, jabki bread mould multicellular fungus hai. Kuch algae unicellular hote hain aur kuch multicellular.\"\n }\n\n];\n\nlet currentQuestion = 0;\nlet score = 0;\nlet userAnswers = [];\nlet userName = \"\";\n\nfunction startQuiz() {\n userName = document.getElementById(\"userName\").value.trim();\n\n if (!userName) {\n return alert(\"Please enter your name.\");\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 <div class=\"question\">${q.question}<\/div>\n\n <div class=\"options\">\n ${q.options.map((opt, i) => `\n <label>\n <input type=\"radio\" name=\"option\" value=\"${i}\"\n ${userAnswers[currentQuestion] == i ? \"checked\" : \"\"}>\n ${opt}\n <\/label>\n `).join(\"\")}\n <\/div>\n\n <div class=\"explanation\" id=\"explain${currentQuestion}\">\n ${q.explanation}\n <\/div>\n `;\n\n document.getElementById(\"prevBtn\").style.display =\n currentQuestion === 0 ? 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