CBSE Class 12 Biotechnology — Important Questions (Board Exams 2027)
CBSE Class 12 Biotechnology important questions, chapter by chapter — 1008 questions with answers across 13 chapters. For the board exams 2027.
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Each chapter below has important questions with answers for the CBSE board exams 2027. Write your answers out before checking — reading alone doesn't build exam speed.
Chapter-wise Important Questions — 13 Chapters
Which scientists discovered plasmids in 1952?
Which structure of DNA was proposed in 1953?
Which enzyme acts as scissors to cut molecules of DNA?
What is an episome?
Which plasmid category provides drug resistance by encoding enzymes that deactivate antibiotics?
Which plasmid category produces colicins that kill other bacteria?
What is the role of reverse transcriptase in cDNA preparation?
Which molecule is used to break the peptidoglycan of bacterial cell walls during DNA isolation?
Which detergent is used for bacterial cell lysis by disrupting the lipid bilayer?
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Where can I find CBSE Class 12 Biotechnology Important Questions?
This page has important questions for 13 chapters of CBSE Class 12 Biotechnology for the board exams 2027. Each chapter links to its own page with the full set.
How should I prepare for CBSE Class 12 Biotechnology board exams?
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.
Which chapters of CBSE Class 12 Biotechnology should I practise first?
Start with the chapters you find hardest and the ones your teacher flags as high-weightage, then cover the rest. Each chapter page lists its important questions with answers.
Browse Important Questions by Chapter
13 chapters
An Overview of Recombinant DNA Technology
Host–Vector System
Gene Cloning
Applications of Recombinant DNA Technology
Genome Technology and Engineering
Microbial Culture
Plant Tissue Culture
Animal Cell Culture
Stem Cell Culture and Organ Culture
Bioprocessing and Biomanufacturing
Bioremediation
Recent Innovations in Biotechnology
Entrepreneurship
More Biotechnology Resources
CBSE Class 12
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