Class 12 Science General Knowledge Quiz
General Knowledge MCQ Questions for Class 12
Practice Class 12 Science General Knowledge MCQ questions with answers, explanations and level-wise revision. Start from Easy levels and move toward Expert practice when your accuracy improves.
Class 12 Science General Knowledge Summary
Class 12 Science General Knowledge MCQ questions with answers, chapter wise quiz, topic wise practice, objective questions, exam revision aur answer explanation ke liye ye page banaya gaya hai. Important chapters include History (GK), Basic Computer Knowledge, General Science. Focus topics include Ancient India, Medieval India, Modern India, World History.
6+ chapters
10+ topics
2251 active MCQs
Free MCQ Practice
Class 12 Science General Knowledge MCQ Questions with Answers
Class 12 Science General Knowledge ke liye chapter wise MCQ questions, topic wise practice, objective questions, quiz levels, correct answers aur simple explanations ek hi page par available hain. Students board exam revision, school test preparation, daily practice aur concept clarity ke liye yahan se focused practice start kar sakte hain.
General Knowledge MCQ
Class 12 Science General Knowledge Questions
Chapter Wise Quiz
Topic Wise Practice
Answers and Explanations
Easy to Expert Levels
Chapter Wise MCQ
General Knowledge Chapters for Class 12
Choose a General Knowledge chapter to practice focused MCQs with topic-wise revision, answers and explanations for Class 12 Science. Chapters include History (GK), Basic Computer Knowledge, General Science, GK - Geography. Topics include Ancient India, Medieval India, Modern India, World History, Hardware vs. Software basics..
Game Journey
Level Map for General Knowledge MCQ Practice
Select a ready level to practice questions in a clean exam-style flow. Each level keeps the subject, class, difficulty and question count clear for faster revision.
Easy Levels
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Ancient India49 Q
GK - History1 Q
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Ancient India48 Q
World History2 Q
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Medium Levels
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Hardware vs. Software basics.50 Q
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Hardware vs. Software basics.50 Q
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Hardware vs. Software basics.50 Q
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History and Generations of Computers.50 Q
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Hard Levels
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Hardware vs. Software basics.50 Q
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Hardware vs. Software basics.50 Q
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Hardware vs. Software basics.50 Q
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History and Generations of Computers.50 Q
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History and Generations of Computers.50 Q
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Expert Levels
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Hardware vs. Software basics.50 Q
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Hardware vs. Software basics.50 Q
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Hardware vs. Software basics.50 Q
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History and Generations of Computers.50 Q
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History and Generations of Computers.50 Q
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History and Generations of Computers.50 Q
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Latest General Knowledge Questions
Searchविशेषज्ञ स्तर पर इतिहास और पीढ़ियों के प्रश्नों में सबसे बड़ी गलती क्या होती है?
What is the biggest mistake in expert level questions on history and generations?
Explanation opens after your attempt
Correct Answer
A. एक संकेत देखकर व्यक्ति तकनीक और उपयोग का पूरा मिलान न करनाNot matching person technology and use fully after seeing one clue
Concept
Expert questions create confusion by mixing clues. For exams check person machine technology use and limitation together.
Why this answer is correct
The correct answer is A. एक संकेत देखकर व्यक्ति तकनीक और उपयोग का पूरा मिलान न करना / Not matching person technology and use fully after seeing one clue. Expert questions create confusion by mixing clues. For exams check person machine technology use and limitation together.
Exam Tip
विशेषज्ञ प्रश्न मिश्रित संकेत देकर भ्रम बनाते हैं। परीक्षा में व्यक्ति मशीन तकनीक उपयोग और सीमा को साथ जांचें।
Login to save your score, XP, coins and progress.
किस विकल्प में सही आधुनिक तकनीक वर्गीकरण है?
Which option gives the correct classification of a modern technology?
Explanation opens after your attempt
Correct Answer
A. क्लाउड कंप्यूटिंग सेवा मॉडल है न कि पारंपरिक हार्डवेयर पीढ़ीCloud computing is a service model, not a traditional hardware generation
Concept
Cloud provides resources over a network like a service. For exams do not force new technologies into old generation table.
Why this answer is correct
The correct answer is A. क्लाउड कंप्यूटिंग सेवा मॉडल है न कि पारंपरिक हार्डवेयर पीढ़ी / Cloud computing is a service model, not a traditional hardware generation. Cloud provides resources over a network like a service. For exams do not force new technologies into old generation table.
Exam Tip
क्लाउड संसाधनों को नेटवर्क पर सेवा की तरह देता है। परीक्षा में नई तकनीकों को पुरानी पीढ़ी तालिका में जबरन न रखें।
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कंप्यूटर पीढ़ियों और कंप्यूटिंग युग में अंतर क्या है?
What is the difference between computer generations and computing eras?
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Correct Answer
A. पीढ़ियां मुख्य हार्डवेयर तकनीक पर केंद्रित होती हैं और युग व्यापक उपयोग प्रवृत्तियां दिखा सकते हैंGenerations focus on main hardware technology while eras may show broader use trends
Concept
Traditional generations show technology order from vacuum tubes to AI. For exams keep hardware generation and modern use models separate.
Why this answer is correct
The correct answer is A. पीढ़ियां मुख्य हार्डवेयर तकनीक पर केंद्रित होती हैं और युग व्यापक उपयोग प्रवृत्तियां दिखा सकते हैं / Generations focus on main hardware technology while eras may show broader use trends. Traditional generations show technology order from vacuum tubes to AI. For exams keep hardware generation and modern use models separate.
Exam Tip
पारंपरिक पीढ़ियां वैक्यूम ट्यूब से एआई तक तकनीकी क्रम दिखाती हैं। परीक्षा में हार्डवेयर पीढ़ी और आधुनिक उपयोग मॉडल अलग रखें।
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एम्बेडेड सिस्टम और आईओटी में मुख्य संबंध क्या है?
What is the main relation between embedded systems and IoT?
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Correct Answer
A. आईओटी में कई एम्बेडेड उपकरण नेटवर्क से जुड़े होते हैंIn IoT many embedded devices are connected to networks
Concept
In IoT small controllers and sensors connect to networks. For exams check embedded control and network connection together.
Why this answer is correct
The correct answer is A. आईओटी में कई एम्बेडेड उपकरण नेटवर्क से जुड़े होते हैं / In IoT many embedded devices are connected to networks. In IoT small controllers and sensors connect to networks. For exams check embedded control and network connection together.
Exam Tip
आईओटी में छोटे नियंत्रक और सेंसर नेटवर्क से जुड़ते हैं। परीक्षा में एम्बेडेड नियंत्रण और नेटवर्क कनेक्शन साथ देखें।
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क्लॉड शैनन का नाम कंप्यूटर और सूचना इतिहास में किससे जुड़ा है?
Claude Shannon is associated with what in computer and information history?
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Correct Answer
A. सूचना सिद्धांत और डिजिटल परिपथ तर्क सेInformation theory and digital circuit logic
Concept
Shannon contributed importantly to information theory and switching logic. For exams do not treat him only as a hardware maker.
Why this answer is correct
The correct answer is A. सूचना सिद्धांत और डिजिटल परिपथ तर्क से / Information theory and digital circuit logic. Shannon contributed importantly to information theory and switching logic. For exams do not treat him only as a hardware maker.
Exam Tip
शैनन ने सूचना सिद्धांत और स्विचिंग लॉजिक में महत्वपूर्ण योगदान दिया। परीक्षा में उन्हें केवल हार्डवेयर निर्माता न मानें।
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बूलियन बीजगणित कंप्यूटर इतिहास में क्यों महत्वपूर्ण है?
Why is Boolean algebra important in computer history?
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Correct Answer
A. यह डिजिटल लॉजिक और परिपथ डिजाइन की नींव हैIt is a foundation of digital logic and circuit design
Concept
Boolean algebra is linked with the logic system of digital computers. For exams remember its relation with logic gates and binary.
Why this answer is correct
The correct answer is A. यह डिजिटल लॉजिक और परिपथ डिजाइन की नींव है / It is a foundation of digital logic and circuit design. Boolean algebra is linked with the logic system of digital computers. For exams remember its relation with logic gates and binary.
Exam Tip
बूलियन बीजगणित डिजिटल कंप्यूटरों की तर्क प्रणाली से जुड़ा है। परीक्षा में लॉजिक गेट और बाइनरी से संबंध याद रखें।
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बाइनरी प्रणाली कंप्यूटरों में क्यों महत्वपूर्ण बनी?
Why did the binary system become important in computers?
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Correct Answer
A. इलेक्ट्रॉनिक परिपथों में दो अवस्थाओं को संभालना सरल थाIt was simple to handle two states in electronic circuits
Concept
Binary matches electronic switching well. For exams connect it with zero one and digital logic.
Why this answer is correct
The correct answer is A. इलेक्ट्रॉनिक परिपथों में दो अवस्थाओं को संभालना सरल था / It was simple to handle two states in electronic circuits. Binary matches electronic switching well. For exams connect it with zero one and digital logic.
Exam Tip
बाइनरी इलेक्ट्रॉनिक स्विचिंग से अच्छी तरह मेल खाती है। परीक्षा में इसे शून्य एक और डिजिटल लॉजिक से जोड़ें।
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कंप्यूटर इतिहास में मानकीकरण का महत्व क्या था?
What was the importance of standardization in computer history?
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Correct Answer
A. अलग प्रणालियों के बीच संगतता और व्यापक उपयोग बढ़ाCompatibility and wide use across different systems increased
Concept
Standardization gave stability to hardware and software markets. For exams notice compatibility in examples like IBM PC.
Why this answer is correct
The correct answer is A. अलग प्रणालियों के बीच संगतता और व्यापक उपयोग बढ़ा / Compatibility and wide use across different systems increased. Standardization gave stability to hardware and software markets. For exams notice compatibility in examples like IBM PC.
Exam Tip
मानकीकरण ने हार्डवेयर और सॉफ्टवेयर बाजार को स्थिरता दी। परीक्षा में आईबीएम पीसी जैसे उदाहरणों में संगतता देखें।
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ऑब्जेक्ट ओरिएंटेड प्रोग्रामिंग के विकास का बड़ा लाभ क्या माना गया?
What was considered a major benefit of object oriented programming development?
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Correct Answer
A. डाटा और व्यवहार को वस्तुओं में व्यवस्थित करनाOrganizing data and behavior into objects
Concept
Object oriented thinking made organizing large programs easier. For exams remember Simula and object idea.
Why this answer is correct
The correct answer is A. डाटा और व्यवहार को वस्तुओं में व्यवस्थित करना / Organizing data and behavior into objects. Object oriented thinking made organizing large programs easier. For exams remember Simula and object idea.
Exam Tip
ऑब्जेक्ट ओरिएंटेड सोच ने बड़े प्रोग्रामों को व्यवस्थित करना आसान किया। परीक्षा में सिमुला और ऑब्जेक्ट विचार याद रखें।
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सॉफ्टवेयर इंजीनियरिंग शब्द के उभरने का मुख्य कारण क्या था?
What was the main reason behind the emergence of the term software engineering?
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Correct Answer
A. बड़े सॉफ्टवेयर प्रोजेक्ट को व्यवस्थित रूप से बनाने की जरूरतNeed to build large software projects systematically
Concept
As software became complex, systematic development methods became necessary. For exams remember software crisis and engineering approach.
Why this answer is correct
The correct answer is A. बड़े सॉफ्टवेयर प्रोजेक्ट को व्यवस्थित रूप से बनाने की जरूरत / Need to build large software projects systematically. As software became complex, systematic development methods became necessary. For exams remember software crisis and engineering approach.
Exam Tip
सॉफ्टवेयर जटिल होने पर व्यवस्थित विकास पद्धति जरूरी हुई। परीक्षा में सॉफ्टवेयर संकट और इंजीनियरिंग दृष्टि याद रखें।
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एडगर कॉड का नाम किस कंप्यूटर विज्ञान विचार से जुड़ा है?
Edgar Codd is associated with which computer science idea?
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Correct Answer
A. रिलेशनल डेटाबेस मॉडलRelational database model
Concept
Edgar Codd is linked with the relational database model. For exams match person and theory correctly.
Why this answer is correct
The correct answer is A. रिलेशनल डेटाबेस मॉडल / Relational database model. Edgar Codd is linked with the relational database model. For exams match person and theory correctly.
Exam Tip
एडगर कॉड रिलेशनल डाटाबेस मॉडल से जुड़े हैं। परीक्षा में व्यक्ति और सिद्धांत का सही मेल करें।
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रिलेशनल डेटाबेस मॉडल को किस प्रमुख विचार से पहचाना जाता है?
Relational database model is identified by which key idea?
Explanation opens after your attempt
Correct Answer
A. तालिकाओं और संबंधों में डाटा व्यवस्थाOrganizing data in tables and relations
Concept
In the relational model data is organized in tables. For exams connect database history with software development.
Why this answer is correct
The correct answer is A. तालिकाओं और संबंधों में डाटा व्यवस्था / Organizing data in tables and relations. In the relational model data is organized in tables. For exams connect database history with software development.
Exam Tip
रिलेशनल मॉडल में डाटा तालिकाओं के रूप में व्यवस्थित होता है। परीक्षा में डाटाबेस इतिहास को सॉफ्टवेयर विकास से जोड़ें।
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More General Knowledge Practice
FAQs
Class 12 Science General Knowledge FAQs
How many General Knowledge questions are in each level?
Each ready level is designed for 50 active questions for the selected class, subject and difficulty.
Which difficulty levels are available for General Knowledge?
Students can practice Easy, Medium, Hard and Expert levels according to their preparation stage.
Are answers and explanations available?
Yes, question pages include answer reveal, correct option, explanation, related questions and share options.