11th Biology Study Materials 2025 (NEW)

🧬 Free 11th Biology study materials — Samacheer Kalvi Plus One Biology PDFs, high-quality diagrams & flowcharts, chapter-wise summaries, model papers, quick quizzes & printable revision notes for TN Board exam prep.

📚 What’s included in these Biology resources

Comprehensive suite of 11th Biology notes: detailed chapter summaries, explanatory diagrams & flowcharts, concise definitions, model question papers (unit & full-length), one-mark quizzes, and mnemonics—carefully aligned to the Samacheer Kalvi syllabus.

🧾 Downloadable PDFs & diagram packs

Access downloadable files like lesson-wise PDFs, high-resolution labeled diagrams (cell structures, classification charts), quick recap sheets, slip test papers, monthly model sets, and previous-year question paper compilations—ready for quick printing offline.

🔍 How to use these materials effectively

1. Start by studying the chapter summary, memorise key terms using the diagrams & mnemonics.
2. Practice one-mark quizzes and recall definitions.
3. Attempt model question papers under timed settings and compare using provided answer keys.
4. Maintain an error log for weak areas and revise using visual aids (diagrams) to boost retention.

🧑‍🏫 Contributors & educators

These resources are crafted by experienced educators and contributors. To submit corrections or your own high-quality 11th Biology PDFs, email us at aspirants.in@gmail.com.

Bookmark this page using the keyboard shortcut Ctrl + D to refer to this page and check your results and other exam-related updates. All the Best!

11th Biology - Study Mateials 2025 (New)

11th Biology - Important Diagrams | Mr. Mahsook - (English Medium) - Preview & Download

11th Biology - Important 2, 3 Mark Questions Study Material | Mr. B. Balaji - (English Medium) - Preview & Download

11th Biology - Comprehensive Study Tool | Mr. Mithun BIO - (English Medium) - Preview & Download

11th Bio Botany - Chapter 1 Study Materials | Mr. P. Selva kumar - (English Medium) - Preview & Download

11th Bio Botany - Sura Guide | Sura Publications - (English Medium) - Preview & Download

11th Bio Botany - Important 5 Mark Questions | Mr. B. Balaji - (English Medium) - Preview & Download

11th Bio Botany - Chapter 8 Study Materials | Mr. Franklin Francis - (English Medium) - Preview & Download

11th Zoology - Unit 1 to 7 Question Papers | Mr. A. Vijayaraj - (English Medium) - Preview & Download

11th Bio Botany - Unit 1 Study Materials | Mr. V. Vijay - (English Medium) - Preview & Download

11th Bio Botany - Sample Study Material | Sura - (English Medium) - Preview & Download

11th Bio Zoology - Sample Study Material | Sura - (English Medium) - Preview & Download

11th Biology - 2nd MidTerm - Important Questions | Mr. Manikandan - (English Medium) - Preview & Download

11th Biology - 1 Mark Questions with Answers | Mr. B. Veerapandian - (English Medium) - Preview & Download

11th Biology - Revision Test - Question Paper | Mrs. Sankareswari - (English Medium) - Preview & Download

11th Biology - Revision Test - Question Paper 1 | Mrs. Sankareswari - (English Medium) - Preview & Download

11th Biology - Revision Test - Question Paper 2 | Mrs. Sankareswari - (English Medium) - Preview & Download

11th Biology - Revision Test - Question Paper 3 | Mrs. Sankareswari - (English Medium) - Preview & Download

11th Biology - Revision Test - Question Paper 4 | Mrs. Sankareswari - (English Medium) - Preview & Download

11th Bio-Zoology - Monthly Test 2024 - Answer Key | Sivagangai District | Mr. Baharathiraja - (English Medium) - Preview & Download.

11th Biology - Monthly Test 2024 - Original Question Paper | Sivagangai District | Mr. Baharathiraja - (English Medium) - Preview & Download

11th Bio-Botany - Chapter 1 - Living World Public Exam Notes - (English Medium) - Preview & Download

11th Botany - Chapter 1 - Study Material | Mr. S. Saravanan - (English Medium) - Preview & Download

11th Bio-Zoology - 5 Mark Important Questions | Mrs. A. Mala - (English Medium) - Preview & Download

11th Bio-Zoology - Book Back Questions & Additional Questions - (English Medium) - Preview & Download

11th Biology - Volume 1 & 2 - One Mark Questions With Answer Key - (English Medium) - Preview & Download

11th Bio-Botany - Chapter - 1 Book Back Questions With Answer | Mr. Kishore Kumar - (English Medium) - Preview & Download

11th Biology - Set 3 - Revision Test - Question Paper | Mrs. Sankareswari - (English Medium) - Preview & Download

11th Biology - Set 4 - Revision Test - Question Paper | Mrs. Sankareswari - (English Medium) - Preview & Download

11th Biology - Set 5 - Revision Test - Question Paper | Mrs. Sankareswari - (English Medium) - Preview & Download

11th Bio-Zoology - 1 Mark Revision Test - Question Paper | Mrs. Sankareswari - (English Medium) - Preview & Download

11th Bio-Zoology - 2 Mark Revision Test - Question Paper | Mrs. Sankareswari - (English Medium) - Preview & Download

11th Computer Applications - 2,3,5 Mark Questions Bank | Mr. P. Chandrasekaran - (English Medium) - Preview & Download

11th Computer Science - 2,3,5 Mark Questions Bank | Mr. P. Chandrasekaran - (English Medium) - Preview & Download

11th Bio-Botany - Lesson 9 - Model Question Paper | Mr. R. Ramachandran - (English Medium) - Preview & Download

11th Bio-Botany - Chapter - 9 Study Material | Mr. C. Karunakaran - (English Medium) - Preview & Download

11th Biology - 2 & 3 Mark Question With Answers | Mr. B. Arumugam - (English Medium) - Preview & Download

11th Bio-Botany - Model Question Paper | Mr. E. Tamilselvan | Sri Jayam Academy - (English Medium) - Preview & Download

11th Bio Zoology - Public Exam Questions | Mr. A. Mohammed Ali - (English Medium) - Preview & Download

11th Bio-Zoology Chapter 1,2,3,4 -Cumulative Test Question Paper | Mr. S. Thiyagaraja - (English Medium) - Preview & Download

11th Biology - 5 Marks Questions With Answers Study Material - (2022-2023) - (English Medium) - nglish Medium Preview & Download

11th Zoology - Slow learners Very Important Questions - (2022-2023) | Mr. Sri Ayyanar - (English Medium) - Preview & Download

11th Zoology - Slow Leaner Very Important Questions - (2022-2023) Mr. Sri Ayyanar - (English Medium) - Preview & Download

11th Bio Botany - 1 Mark Question Paper | Mr. S. Raja - (English Medium) - Preview & Download

11th Bio Zoology - Sura Guide | Sura Publications - (English Medium) - Preview & Download

11th Bio Zoology - Worksheet 1 Study Materials | Mr. Arul Kumar - (English Medium) - Preview & Download

11th Bio Zoology - Worksheet 2 Study Materials | Mr. Arul Kumar - (English Medium) - Preview & Download

11th Bio Zoology - Unit 1,2,3 Study Materials | Dr. R. Saravanan - (English Medium) - Preview & Download

11th Bio Zoology - Important 5 Mark Questions | Mr. P. Palanivelu - (English Medium) - Preview & Download

11th Bio Zoology - Chapter wise Questions | Mr. Gopalkrishnan Raman - (English Medium) - Preview & Download

11th Bio Botany - Unit 7 Study Material | Mr. A. Vinoth Kumar - (English Medium) - Preview & Download

11th Biology - Comprehensive Tool Study Material - Mr. M. Mithun Kumar - (English Medium) - Preview & Download

11th Biology - One Mark Test Question Paper (5 Sets) | Mr. Ravi - (English Medium) - Preview & Download

11th Biology - One Marks study material | Mr. M. Sivakumar - (English Medium) - Preview & Download

11th Bio Botany - Vol.1 Model Question Paper | Mr. C. Karunakaran - (English Medium) - Preview & Download

11th Bio Botany - Public Exam 2019 - Expected Questions - (English Medium) - Preview & Download

11th Biology - One Marks Question Paper | Mr. Prabakaran - (English Medium) - Preview & Download

11th Biology - Unit 3 Study Materials | NCTC - (English Medium) - Preview & Download

11th Biology - 1,5 Marks Study Material | Sura Books - (English Medium) - Preview & Download

11th Biology - Half Portion Model Question Paper | Kamalammal MHSS - (English Medium) - Preview & Download

11th Bio-Botany - Half Portion Model Question Paper 1 | Kamalammal MHSS - (English Medium) - Preview & Download

11th Bio-Botany - Half Portion Model Question Paper 2 | Kamalammal MHSS - (English Medium) - Preview & Download

11th Zoology - Chapter 10 - PPT Study Material | Mr. B. Srinivasan - (English Medium) - Preview & Download

11th Bio-Zoology - Book Back One Mark Study Material | Mr. Ayyanar - (English Medium) - Preview & Download

11th Bio Botany - Lesson 4 Study Material | Mr. G. Sathiyamoorthy - (English Medium) - Preview & Download

11th Bio-Botany - Unit 1,2 Study Material | Mr. D. Purushoth - (English Medium) - Preview & Download

11th Bio-Botany - Volume 1 - Important Questions | Mr. D. Rajamani - (English Medium) - Preview & Download

11th Bio-Botany - Practical Manual Study Material | DSE - (English Medium) - Preview & Download

11th Bio-Botany - Important Questions Vol.2 | Mr. D. Rajamani - (English Medium) - Preview & Download

11th Bio-Botany - Book Back 1 Marks with Answer Key | Mr. P. Nanthish Kumar - (English Medium) - Preview & Download

11th Bio Zoology - Book Back 1 Marks with Answer Key | Mr. P. Nanthish Kumar - (English Medium) - Preview & Download

11th Bio-Zoology - Book Back Study Material | Mr. S. Selvakumar - (English Medium) - Preview & Download

11th Bio-Zoology One Marks Study Material | Mr. S. Mari Muthu - (English Medium) - Preview & Download

11th Bio Zoology - Unit 4,5 Study Materials | Raja & Murugan - (English Medium) - Preview & Download

11th Zoology - Lesson 11 Study Material | Mr. B. Srinivasan - (English Medium) - Preview & Download

11th Zoology - Lesson 10,11 Two Marks Study Materials | Mr. R. Ayyanar - (English Medium) - Preview & Download

11th Zoology - Inside Questions | Marutham Academy - (English Medium) - Preview & Download

11th Zoology - Lesson 9 Book Back Questions | Mr. B. Srinivasan - (English Medium) - Preview & Download

11th Zoology - Unit wise Questions | Mr. Johnson - (English Medium) - Preview & Download

11th Zoology - Scheme of Work | Mr. Thiyagarajan - (English Medium) - Preview & Download

11th Bio Botany - Chapter 2 Study Material | Mr. A. Vinoth Kumar - (English Medium) - Preview & Download

11th Bio-Zoology | Unit 1,2,3 Study Material | Mr.Raja & Murugan - (English Medium) - Preview & Download

11th Botany - Chapter 1 - Study Material | Mr. C. Kishore Kumar - (English Medium) - Preview & Download

11th Zoology - Vol.1 & 2 Book Back One Marks | Mr. R. Ayyanar - (English Medium) - Preview & Download

11th Bio-Botany - Unit 1 Study Material | Mr. D.Purushotaman - (English Medium) - Preview & Download

11th Bio-Zoology - Unit 1 Study Material | Mr. D.Purushotaman - (English Medium) - Preview & Download

11th Bio-Zoology | Unit 2 Study Material | Mr. Raja & Murugan - (English Medium) - Preview & Download

11th Bio-Zoology | One Marks Test Paper | Mr. Rajakumar - (English Medium) - Preview & Download

11th Bio-Zoology Unit 1 Model Question Paper - | Mr. S. Hari Singh - (English Medium) - Preview & Download

11th Biology - Unit 1 - Living World Study Material | Mr. M. Murugan - (English Medium) - Preview & Download

11th Zoology - Important Diagram Questions | Mr. G. Thirumoorthy - (English Medium) - Preview & Download

11th Zoology - Important Questions | Dr. V. Chennaiyan - (English Medium) - Preview & Download

11th / +1 / Plus One - Biology Study Materials (Old)

Latest 11th Biology Study Materials - Half Portion Model Question Paper | Kamalammal MHSS - (English Medium) - Click here to Download

Latest 11th Biology Study Materials - July Monthly Test Question Paper 2018 | Mr.S. Bala - (Tamil Medium) - Click here to Download

Latest 11th Biology Study Materials - Unit 1 - Living World Study Material | Mr. M. Murugan - (English Medium) - Click here to Download

Latest 11th Biology Study Materials - One Marks Question Paper | Mr. Prabakaran - (English Medium) - Click here to Download

Latest 11th Biology Study Materials - One Marks study material | Mr. M. Sivakumar - (English Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Anatomy PPT Study Materials | Mr. S. Murugesan - (Tamil Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Expected Questions (Lesson 1 to 6) | Mr. P. Balakrishanan - (Tamil Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Public Exam 2019 - Expected Questions - (English Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Public Exam 2019 Expected Questions | Mr. C. Fransis - (Tamil Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Full Portion Study Material | Mr. M. Balasubramaniyan - (Tamil Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Half Portion Model Question Paper 2 | Kamalammal MHSS - (English Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Half Portion Model Question Paper 1 | Kamalammal MHSS - (English Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Volume 1 - Important Questions | Mr. D. Rajamani - (English Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Unit 1,2 Study Material | Mr. D. Purushoth - (English Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Practical Guide 2018 - (Tamil Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Practical Manual Study Material | DSE - (English Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Unit 4 Study Material | Mr. G. Sathiyamoorthy - (Tamil Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Unit 9 Vol.2 Study Material | Mr. M. Balasubramaniyan - (Tamil Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Unit 4,5 Book Back Questions and Answers | Mr. C. Kishore Kumar - (Tamil Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Unit wise Questions | Mr. P. Ravi - (Tamil Medium) - Click here to Download

Latest 11th Bio Botany Study Materials - Vol.1 Model Question Paper | Mr. C. Karunakaran - (English Medium) - Click here to Download

Latest 11th Bio Zoology Study Materials - Serithal PPT Study Materials | Mr. B. Srinivasan - (Tamil Medium) - Click here to Download

Latest 11th Bio Zoology Study Materials - Malaipura PPT Study Materials | Mr. B. Srinivasan - (Tamil Medium) - Click here to Download

Latest 11th Bio Zoology Study Materials - Manpuzhu PPT Study Materials | Mr. B. Srinivasan - (Tamil Medium) - Click here to Download

Latest 11th Bio Zoology Study Materials - Thavalai PPT Study Materials | Mr. B. Srinivasan - (Tamil Medium) - Click here to Download

Latest 11th Bio Zoology Study Materials - One Marks Study Material | Mr. S. Mari Muthu - (English Medium) - Click here to Download

Latest 11th Bio Zoology Study Materials - Unit 1 Model Question Paper | Mr. S. Hari Singh - (English Medium) - Click here to Download

Latest 11th Bio Zoology Study Materials - Unit 1 Study Material | Mr. D.Purushotaman - (English Medium) - Click here to Download

Latest 11th Bio Zoology Study Materials - Unit 2- Chapter 3 Study Material | Mr. S. Thiyagarajan - (Tamil Medium) - Click here to Download

Latest 11th Bio Zoology Study Materials - Unit 2 Study Material | Mr. Raja & Murugan - (English Medium) - Click here to Download

Latest 11th Bio Zoology Study Materials - Unit 3 Study Materials | NCTC - (English Medium) - Click here to Download

Latest 11th Bio Zoology Study Materials - Unit 4,5 Study Materials | Raja & Murugan - (English Medium) - Click here to Download

Latest 11th Bio Zoology Study Materials - Unit Questions | Mr. C. Jeganvediyappan - (Tamil Medium) - Click here to Download

11th / +1 / Plus One - Botany (Pure Science) Study Materials (Old)

Latest 11th Botany Study Materials - One Mark Questions (Volume 1) | Mr. A.Vijayaraj - (Tamil Medium) - Click here to Download

Latest 11th Botany Study Materials - Unit 4 Study Material | C. Kishore Kumar - (Tamil Medium) - Click here to Download

Latest 11th Botany Study Materials - Lesson 10 Study Material | Mr. C. Kishore Kumar - (Tamil Medium) - Click here to Download

Latest 11th Botany Study Materials - Unit 4 PPT Teaching Study Materials | Mr. S. Murugesan - (Tamil Medium) - Click here to Download

Latest 11th Botany Study Materials - Unit 5 Book Back Questions | Mr. C. Kishore Kumar - (Tamil Medium) - Click here to Download

Latest 11th Botany Study Materials - Lesson 9 Study Material | Mr. C. Kishore Kumar - (Tamil Medium) - Click here to Download

Latest 11th Botany Study Materials - Vol.2 Book Back & Unit Test Study Material | Mr. M. Balasubramaniyan - (Tamil Medium) - Click here to Download

11th / +1 / Plus One - Zoology (Pure Science) Study Materials (Old)

Latest 11th Zoology Study Materials - Chapter 10 - PPT Study Material | Mr. B. Srinivasan - (English Medium) - Click here to Download

Latest 11th Zoology Study Materials - Lesson 8 - Study Materials | Mr. B. Srinivasan - (Tamil Medium) - Click here to Download

Latest 11th Zoology Study Materials - Lesson 9 Book Back Questions | Mr. B. Srinivasan - (English Medium) - Click here to Download

Latest 11th Zoology Study Materials - Lesson 10,11 Two Marks Study Materials | Mr. R. Ayyanar - (English Medium) - Click here to Download

Latest 11th Zoology Study Materials - Unit 1,2 Study Material | Mr. P.Senguttuvan - (Tamil Medium) - Click here to Download

Latest 11th Zoology Study Materials - Lesson 1 to 4 - Three Mark Questions | Mr. Balakrishnan - (Tamil Medium) - Click here to Download

Latest 11th Zoology Study Materials - Lesson 11 Study Material | Mr. B. Srinivasan - (English Medium) - Click here to Download

Latest 11th Zoology Study Materials - Unit 4 Study Material | B. Srinivasan - (Tamil Medium) - Click here to Download

Latest 11th Zoology Study Materials - Unit 8 Study Material | R. Rajaram - (Tamil Medium) - Click here to Download

Latest 11th Zoology Study Materials - Unit 8,9 Study Material | Mr. P. Senguttuvan - (Tamil Medium) - Click here to Download

Latest 11th Zoology Study Materials - Unit 1,2,3 Study Material | Mr.Raja & Murugan - (English Medium) - Click here to Download

Latest 11th Zoology Study Materials - Unit 1 to 7 Question Papers | Mr. A. Vijayaraj - (English Medium) - Click here to Download

Latest 11th Zoology Study Materials - Volume 2 Study Material | Mr. P. Sengutuvan - (Tamil Medium) - Click here to Download

❓ Frequently Asked Questions (FAQ)

🧬 1. Where can I download the 11th Biology PDFs?

Click the preview/download links on this page to get high-quality Plus One Biology PDFs, including chapter summaries, diagram packs, quizzes, and model papers.

📊 2. Are these materials aligned with the Samacheer Kalvi syllabus?

Yes — all resources follow the latest Samacheer Kalvi / TN Board Plus One Biology syllabus and highlight key topics as per exam pattern.

🕒 3. How should I schedule revision using these resources?

Suggested plan: 40 mins for notes and diagrams, 20 mins for one-mark quizzes, and one full-length or unit model paper under exam conditions per week to consolidate learning.

✍️ 4. Do these downloads include answer keys and marking tips?

Absolutely — most model papers and quizzes include answer keys, model answers, and tips on presentation for effective self-evaluation.

🔁 5. Can I contribute my own Biology study materials?

Yes — email your well-prepared study notes or PDF diagrams to aspirants.in@gmail.com. Selected contributions will be reviewed and published to help others.

📌 6. What’s the best way to revise just before the exam?

Focus on labelled diagrams, one-mark quizzes, concise chapter summaries, and 2–3 timed model papers. Use mnemonics and visual aids to boost last-minute retention.

🚀 Ready to download?

Go to the top of the Aspirants page to access all the latest 11th Biology Study Materials — diagrams, summaries, quizzes, model papers, and more are available as free downloadable PDFs. Good luck with your preparation!