11th Biology Study Materials 2025 – Tamil Nadu State Board

11th Standard Biology Study Materials 2025 – Tamil Nadu State Board

Excel in Plus One Biology with our newly curated 2025 study materials tailored to the Tamil Nadu SCERT syllabus. Explore clear chapter summaries, labelled diagram sheets, solved model papers, and lab practical strategies to strengthen your understanding and improve exam performance.

📘 What’s Included in This Biology Resource

Concise notes for Cell Biology, Genetics, Plant & Human Physiology, Ecology, and Biotechnology
High-quality diagrams and labelled charts for quick visualization
Life cycle and process charts (cell division, photosynthesis, respiration)
Model question papers for unit tests, quarterly exams, and boards
Lab practical tips, observation guidelines, and safety protocols

🎯 Why This Biology Study Guide Matters

Fully aligned with the updated 2025 SCERT exam structure
Covers both Tamil and English medium students comprehensively
Combines theoretical clarity with practical lab preparedness
Features study techniques from top-performing students

🧠 Smart Study Techniques for Biology Success

Start by memorizing charts and life-cycle diagrams
Practice model papers weekly under timed conditions
Create flashcards for key terms and definitions
Use lab guides to simulate real practical sessions
Draw and label diagrams frequently to reinforce memory

📌 Who Should Use These Materials?

11th Standard Biology students under Tamil Nadu Board
Teachers and tutors planning lessons and assessments
Parents helping with theory and lab-based study
Students preparing for NEET and medical entrance fundamentals

11th / +1 / Plus One - Biology Study Materials (English Medium) (2021-2022 Reduced Syllabus)

11th Biology - Important Questions | Mr. A. Anbu - (English Medium) - Preview & Download

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

11th Bio-Zoology - Unit 11 & Unit 12 - Important Questions | Mr. G. Hariprabhu - (English Medium) - Preview & Download

11th Bio-Zoology - Unit 1-6 Important Questions | Mr. S. Sivaraman - (English Medium) - Preview & Download

11th Biology - Slip Test Model Question for 2nd Revision Test Portions | Mr. G. Thirumoorthy - (English Medium) - Preview & Download

11th Bio-Botany - Important Book Back Questions | Mr. S. Karthick - (English Medium) - Preview & Download

11th Bio-Botany - One Marks Questions with Keys | Mr. S. Karthick - (English Medium) - Preview & Download

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

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

11th Zoology - Important Questions for Public Exam 2021-2022 | Mr. R. Ayyanar - (English Medium) - Preview & Download

11th / +1 / Plus One - Biology Study Materials (English Medium) (2020-2021 Reduced Syllabus)

11th Biology - Reduced Syllabus - Model Question Paper | Lakshmi MHSS - (English Medium) - Preview & Download

11th / +1 / Plus One - Biology Study Materials (English Medium) (New Book Full Study Materials)

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

11th Biology - Important 2 Marks & 3 Marks 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 - Important 5 Marks Questions | Mr. B. Balaji - (English Medium) - Preview & Download

11th Bio-Botany - Chapter 8 Study Materials | Mr. Franklin Francis - (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, Unit 2 & Unit 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 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 Marks & 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 Zoology - Lesson 11 Study Material | Mr. B. Srinivasan - (English Medium) - Preview & Download

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

11th Zoology - Lesson 9 Book Back Questions | 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 & Unit 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 & Unit 5 Study Materials | Raja & Murugan - (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, Unit 2 & Unit 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 - 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 / +1 / Plus One - Biology Study Materials (Tamil Medium) (2021-2022 Reduced Syllabus)

11th Bio-Botany - Important 5 Marks Study Materials | Mr. M. Balasubramaniyan - (Tamil Medium) - Preview & Download

11th Biology - Study Plan for Public Exam 2021-2022 | Mr. M. Gnanaprakasam - (Tamil Medium) - Preview & Download

11th Biology - Unit Test Model Question Paper | Mr. S. Thiyagarajan - (Tamil Medium) - Preview & Download

11th Bio-Botany - Study Materials | Mr. M. Balasubramaniyan - (Tamil Medium) - Preview & Download

11th Bio-Zoology - Study Materials | Mr. R. Padmanaban - (Tamil Medium) - Preview & Download

11th Botany - Important Questions for Public Exam 2021-2022 | Mr. G. Senthil Kumar - (Tamil Medium) - Preview & Download

11th Botany - Study Plan for Public Exam 2021-2022 | Mr. M. Gnanaprakasam - (Tamil Medium) - Preview & Download

11th / +1 / Plus One - Biology Study Materials (Tamil Medium) (New Book Full Study Materials)

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

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

11th Bio-Botany - Practical Guide - (Tamil Medium) - Preview & Download

11th Bio-Botany - Model Question Paper | Way To Success - (Tamil Medium) - Preview & Download

11th Bio-Botany - Model Question Paper Answer Key | Way To Success - (Tamil Medium) - Preview & Download

11th Biology - Sample Study Materials | Sura Publications - (Tamil Medium) - Preview & Download

11th Bio-Botany - Book Back One Mark Questions with Key | Mr. C. Kishore Kumar - (Tamil Medium) - Preview & Download

11th Bio-Botany - Public Exam 2019 Expected Questions | Mr. C. Fransis - (Tamil Medium) - Preview & Download

11th Bio-Botany - Full Portion Study Material | Mr. M. Balasubramaniyan - (Tamil Medium) - Preview & Download

11th Bio-Botany - Full Guides 2020-2021 | Mr. M. Balasubramaniyan - (Tamil Medium) - Preview & Download

11th Bio-Zoology - Unit Questions | Mr. C. Jeganvediyappan - (Tamil Medium) - Preview & Download

11th Bio-Botany - Unit wise Questions | Mr. P. Ravi - (Tamil Medium) - Preview & Download

11th Bio-Botany - Unit 4 & Unit 5 Book Back Questions and Answers | Mr. C. Kishore Kumar - (Tamil Medium) - Preview & Download

11th Botany - Vol.2 Book Back & Unit Test Study Material | Mr. M. Balasubramaniyan - (Tamil Medium) - Preview & Download

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

11th Botany - Unit 4 Study Material | C. Kishore Kumar - (Tamil Medium) - Preview & Download

11th Botany - Unit 5 Book Back Questions | Mr. C. Kishore Kumar - (Tamil Medium) - Preview & Download

11th Botany - Lesson 9 Study Material | Mr. C. Kishore Kumar - (Tamil Medium) - Preview & Download

11th Botany - Lesson 10 Study Material | Mr. C. Kishore Kumar - (Tamil Medium) - Preview & Download

11th Zoology - Unit 4 Study Material | B. Srinivasan - (Tamil Medium) - Preview & Download

11th Zoology - Unit 8 Study Material | R. Rajaram - (Tamil Medium) - Preview & Download

11th Zoology - Volume 1 Study Material | Mr. P. Sengutuvan - (Tamil Medium) - Preview & Download

11th Zoology - Volume 2 Study Material | Mr. P. Sengutuvan - (Tamil Medium) - Preview & Download

11th Zoology - Unit 8 & Unit 9 Study Material | Mr. P. Senguttuvan - (Tamil Medium) - Preview & Download

11th Botany- One Marks Study Material | Mr. M. Balasubramaniyan - (Tamil Medium) - Preview & Download

11th Botany - Unit 9 Vol.2 Study Material | Mr. M. Balasubramaniyan - (Tamil Medium) - Preview & Download

11th Botany - Unit 4 Vol.2 Study Material | Mr. M. Balasubramaniyan - (Tamil Medium) - Preview & Download

11th Botany - Unit 4 PPT Teaching Study Materials | Mr. S. Murugesan - (Tamil Medium) - Preview & Download

11th Bio-Zoology - Serithal PPT Study Materials | Mr. B. Srinivasan - (Tamil Medium) - Preview & Download

11th Bio-Zoology - Uyirulagam PPT Study Materials | Mr. B. Srinivasan - (Tamil Medium) - Preview & Download

11th Bio-Zoology - Malaipura PPT Study Materials | Mr. B. Srinivasan - (Tamil Medium) - Preview & Download

11th Bio-Zoology - Manpuzhu PPT Study Materials | Mr. B. Srinivasan - (Tamil Medium) - Preview & Download

11th Bio-Zoology - Thavalai PPT Study Materials | Mr. B. Srinivasan - (Tamil Medium) - Preview & Download

11th Biology - Lesson 8 - Study Materials | Mr. B. Srinivasan - (Tamil Medium) - Preview & Download

11th Biology - Lesson 9 (Vol.2) - Study Materials | Mr. M. Balasubramaniyan - (Tamil Medium) - Preview & Download

11th Bio-Botany - Anatomy PPT Study Materials | Mr. S. Murugesan - (Tamil Medium) - Preview & Download

11th Bio-Botany - Unit 3 Study Material | Mr. G. Sathiyamoorthy - (Tamil Medium) - Preview & Download

11th Bio-Botany - Expected Questions (Lesson 1 to 6) | Mr. P. Balakrishanan - (Tamil Medium) - Preview & Download

11th Botany - 2 Mark & 5 Mark Book Back Question Study Materials | Mr. G. Sathiyamoorthy - (Tamil Medium) - Preview & Download

11th Bio-Botany - Unit 3 & Unit 4 - Study Materials | Mr. G. Sathiyamoorthy - (Tamil Medium) - Preview & Download

11th Bio-Zoology - Unit 2 - Chapter 3 Study Material | Mr. S. Thiyagarajan - (Tamil Medium) - Preview & Download

11th Biology - Study Material | Mr. M. Balasubramaniyan - (Tamil Medium) - Preview & Download

11th Biology - July Monthly Test Question Paper 2018 | Mr.S. Bala - (Tamil Medium) - Preview & Download

11th Zoology - Unit 1 & Unit 2 Study Material | Mr. P.Senguttuvan - (Tamil Medium) - Preview & Download

11th Zoology - Lesson 1 to 4 - Three Mark Questions | Mr. Balakrishnan - (Tamil Medium) - Preview & Download

11th Zoology - Lesson 1 to 4 - One Mark Questions | Mr. Balakrishnan - (Tamil Medium) - Preview & Download

11th Botany - One Mark Questions (Volume 1) | Mr. A.Vijayaraj - (Tamil Medium) - Preview & Download

11th Study Materials

11th Tamil Study Materials

11th English Study Materials

11th French Study Materials

11th Maths Study Materials

11th Physics Study Materials

11th Chemistry Study Materials

11th Biology Study Materials

11th Botany Study Materials

11th Zoology Study Materials

11th Computer Science Study Materials

11th Accountancy Study Materials

11th Commerce Study Materials

11th Economics Study Materials

11th History Study Materials

11th Geography Study Materials

11th Statistics Study Materials

11th Business Maths Study Materials

11th Political Science Study Materials

11th Question Papers & Answer Keys

11th Quarterly Exam Question Papers and Answer Keys

11th Half Yearly Exam Question Papers and Answer Keys

11th Public Exam Question Papers and Answer Keys

11th First Revision Test Question Papers and Answer Keys

11th Second Revision Test Question Papers and Answer Keys

11th Third Revision Test Question Papers and Answer Keys

11th First Midterm Test Question Papers and Answer Keys

11th Second Midterm Test Question Papers and Answer Keys

Important Links

11th Syllabus

11th Lesson Plans

11th Monthly Test & Unit Test

Tamilnadu 11th Time Table | Plus One Exam Time Table

❓ Frequently Asked Questions (FAQs)

Are these materials updated for the 2025 SCERT syllabus?

Yes, all chapter summaries, diagram sheets, and model papers align with the latest 2025 SCERT curriculum and exam format.

Do the model papers include detailed answers?

Absolutely – each model question paper comes with comprehensive solutions and exam tips from Biology educators.

Are lab practical tips included?

Yes, we provide step-by-step guidelines, observation pointers, and safety measures for school laboratory experiments.

Can these resources help with NEET prep?

Yes, these study aids cover foundational Biology topics essential for NEET and other medical entrance exams.

Is this guide suitable for both medium students?

Yes, the materials are designed to support both Tamil and English medium students with clear, bilingual explanations.