ICSE Class 11 Biology — Important Questions
ICSE Class 11 Biology important questions, chapter by chapter — 1544 questions with answers across 19 chapters. Follows the ICSE / ISC 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 — 19 Chapters
In binomial nomenclature, the generic name (genus) always begins with:
The scientific name of the housefly is:
The scientific name of mango is:
What was the main new kingdom created by Robert H. Whittaker in 1969?
Which set of criteria was used by Whittaker for the five-kingdom system?
Which kingdoms are included in Carl Woese's three-domain system?
Agar-agar is obtained from which group of algae?
Which of the following is a moss (bryophyte)?
Pteridophytes are distinguished from bryophytes by the presence of:
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Where can I find ICSE Class 11 Biology Important Questions?
This page has important questions for 19 chapters of ICSE Class 11 Biology for the 2026-27 session. Each chapter links to its own page with the full set.
How should I prepare for ICSE Class 11 Biology 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 ICSE Class 11 Biology 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
19 chapters
The Living World
Biological Classification
Plant Kingdom
Animal Kingdom
Morphology of Flowering Plants
Anatomy of Flowering Plants
Structural Organisation in Animals (Frog)
Cell: The Unit of Life
Biomolecules
Cell Cycle and Cell Division
Photosynthesis in Higher Plants
Respiration in Plants
Plant Growth and Development
Breathing and Exchange of Gases
Body fluids and Circulation
Excretory Products and Their Elimination
Locomotion and Movement
Neural Control and Coordination
Chemical Coordination and Integration
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ICSE Class 11
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