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CBSE Class 12 Biotechnology — Flashcards

CBSE Class 12 Biotechnology flashcards, chapter by chapter — 1044 flashcards across 13 chapters. Follows the CBSE syllabus.

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  1. Read the question — answer it in your head before flipping.
  2. Check the answer — mark the cards you got wrong.
  3. Repeat the hard ones — review wrong cards more often, easy ones less.
  4. Little and often — short daily sessions beat long cramming sessions.

Chapter-Wise Flashcards — 13 Chapters

Q: What is recombinant DNA technology?

A: Recombinant DNA technology, also called genetic engineering, means the direct manipulation of the nucleic acid or genome of an organism. It is used to alter genetic material for useful purposes in med

Q: पुनर्योजी DNA तकनीक क्या है?

A: पुनर्योगज DNA तकनीक (recombinant ⟧ 0 technology) या आनुवंशिक अभियान्त्रिकी (genetic engineering) का अर्थ है किसी जीव के न्यूक्लिक अम्ल या जीनोम का प्रत्यक्ष हेरफेर। इसका उपयोग चिकित्सा, कृषि और अनुसंध

Q: जीव विज्ञान में बड़ी प्रगति के बाद ही पुनः संयोजक DNA तकनीक क्यों संभव हुई?

A: यह जैव रसायन, आनुवंशिकी, कोशिका विज्ञान, सूक्ष्म जीव विज्ञान और आणविक जीव विज्ञान में प्रगति के बाद संभव हो पाया। महत्वपूर्ण कदमों में DNA संरचना, आनुवंशिकता में इसकी भूमिका को समझना और DNA को अलग करन

Q: पुनर्योगज DNA प्रौद्योगिकी में पोषी-वाहक प्रणाली क्या है?

A: यह दो घटक प्रणाली है जो एक अनुकूल मेजबान और एक वाहक से बनी है। वाहक वांछित DNA प्रविष्टि को ले जाता है, और मेजबान उस DNA की प्रतिकृति और अभिव्यक्ति के लिए आवश्यक एंजाइम और प्रोटीन प्रदान करता है।

Q: What is the host–vector system in recombinant DNA technology?

A: It is a two-component system made of a compatible host and a vector. The vector carries the desired DNA insert, and the host provides the enzymes and proteins needed for replication and expression of

Q: Why is a vector needed for gene cloning?

A: A vector is needed because the desired DNA must enter a host cell and be copied there. The vector also needs an origin of replication, unique restriction sites, and at least one selectable marker so t

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Gene Cloning

88 cards

Q: जीन क्लोनिंग क्या है?

A: जीन क्लोनिंग जैव प्रौद्योगिकी उद्योग और अन्य विभिन्न उद्देश्यों के लिए एक जीन का उपयोग करने के लिए एक प्रथागत प्रक्रिया है। इसमें रुचि के जीन वाले DNA खंड को एक वेक्टर द्वारा एक मेजबान कोशिका में स्था

Q: What is gene cloning?

A: Gene cloning is a customary procedure to use a gene for its product in the biotechnology industry and various other purposes. It involves transferring a DNA fragment containing the gene of interest in

Q: Why is finding a candidate gene difficult in a genome?

A: A genome is very large, so a target gene is only a tiny part of it. A haploid human genome contains approximately 3.2 billion bp, and a gene of interest may be only 3000 to 3500 bp. That makes gene id

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Frequently Asked Questions

Where can I find CBSE Class 12 Biotechnology Flashcards?

This page has flashcards for 13 chapters of CBSE Class 12 Biotechnology for the board exams 2027. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Read the question side, answer it in your head, then check. Put the cards you got wrong back into the pile and review them again the next day. Short daily sessions work better than long ones.

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13 chapters

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