NCERT Class 11 Biology (Old Edition)
Read this book on NCERT Archive
The old-edition textbook now lives on NCERT Archive. Use the buttons below to open the book and its solutions there.
About Class 11 Biology (Old Edition)
NCERT Class 11 Biology is the old edition Biology textbook for Class 11, part of the Senior Secondary stage. This is the old edition, the earlier NCERT textbook that many schools and students still follow.
This page covers the whole book. Use the buttons above to read the old edition Class 11 Biology textbook on NCERT Archive.
Syllabus note for Class 11: Senior Secondary titles remain largely stable; NCERT periodically issues rationalized/reduced-syllabus editions of the same titles.
Read this book on NCERT Archive
NCERT Archive is our dedicated site for NCERT textbooks and solutions, Class 1 to 12. Its Class 11 Biology page for the old edition lists the book and links to the matching solutions.
Old edition or new edition?
NCERT has been replacing its textbooks class by class under the NEP 2020 / NCF-SE 2023 syllabus. Check the textbook your school actually uses: if it is the earlier book, stay on the Old Edition pages; if it is the latest one, switch to the New Edition using the switch at the top of this page.
How to study Class 11 Biology
- Read the chapter once for the big picture, then again slowly, noting each new term and definition.
- Draw and label the diagrams yourself; they are asked often in tests.
- Do the in-text activities and questions, then the end-of-chapter exercises, before checking answers.
- Write short answers in your own words and compare them with the NCERT answers for completeness.
Frequently Asked Questions
Which Class 11 Biology book is this page for?
The old edition of NCERT Class 11 Biology. It is the earlier NCERT textbook for this subject, still used by many schools.
Where can I read the Class 11 Biology book?
On NCERT Archive. Press the "Open Biology Book" button on this page to go to the Class 11 Biology old edition book there.
How do I switch between the old and new edition?
Use the New Edition / Old Edition switch at the top of the page. It takes you to the same subject in the other edition.
Is it free to use?
Yes. Scholar Donkey and NCERT Archive are free to use and need no login.