CBSE Class 11 Biotechnology — Important Questions
CBSE Class 11 Biotechnology important questions, chapter by chapter — 915 questions with answers across 12 chapters. Follows the CBSE syllabus.
How to use this page
Each chapter below has important questions with answers for Class 11 exams. Write your answers out before checking — reading alone doesn't build exam speed.
Chapter-wise Important Questions — 12 Chapters
Which ancient civilization knew vinegar production by 2000 B.C.?
What is fermentation?
Which scientist established that yeast and other microbes were responsible for fermentation between the 1850s and 1860s?
Which membrane protein type is superficially attached and mainly involved in cell signalling?
Which membrane protein type is partially or fully buried in the membrane?
What is mesosome in prokaryotic cells?
Which pair correctly names the three main classes of carbohydrates?
Which pair of sugars are the most important epimers of glucose?
Which pair correctly matches the storage polysaccharides in plants and animals?
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Where can I find CBSE Class 11 Biotechnology Important Questions?
This page has important questions for 12 chapters of CBSE Class 11 Biotechnology for the 2026-27 session. Each chapter links to its own page with the full set.
How should I prepare for CBSE Class 11 Biotechnology 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 11 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.
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