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NCERT Solutions For Class 12 Biology In Hindi All Chapters - 2025-26

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Chapter-wise Class 12 Biology In Hindi Questions and Answers Free PDF Download

Vedantu provides NCERT Solutions for Class 12 Biology in Hindi, offering students clear and comprehensive explanations of all chapters. These solutions are designed to simplify complex biological concepts such as genetics, ecology, and human physiology, making them easy to understand. With detailed step-by-step solutions, students can strengthen their grasp on essential topics and excel in their exams. The solutions cover the entire Class 12 Biology syllabus, ensuring thorough preparation for both board and competitive exams. Download the FREE PDF for convenient access and study at your own pace.

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Chapter-wise NCERT Solutions Class 12 Biology in Hindi - FREE PDF

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Chapter-wise Links for NCERT Solutions Class 12 Biology in Hindi

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Chapter 1 - Sexual Reproduction in Flowering Plants Solutions in Hindi

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Chapter 2 - Human Reproduction Solutions in Hindi

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Chapter 3 - Reproductive Health Solutions in Hindi

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Chapter 4 - Principles of Inheritance and Variation Solutions in Hindi

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Chapter 5 - Molecular Basis of Inheritance Solutions in Hindi

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Chapter 6 - Evolution Solutions in Hindi

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Chapter 7 - Human Health and Disease Solutions in Hindi

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Chapter 8 - Microbes in Human Welfare Solutions in Hindi

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Chapter 9 - Biotechnology Principles and Processes Solutions in Hindi

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Chapter 10 - Biotechnology and Its Applications Solutions in Hindi

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Chapter 11 - Organisms and Populations Solutions in Hindi

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Chapter 12 - Ecosystem Solutions in Hindi

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Chapter 13 - Biodiversity and Conservation Solutions in Hindi



Latest Syllabus Updations for CBSE Class 12 Biology

  • Reproduction in Organism and Strategies for Enhancement in Food Production are removed from the syllabus. 

  • Environmental Issues is also a removed chapter in the Class 12 Biology syllabus.

Competitive Exams after 12th Science
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CBSE Class 12 Biology- An Overview

  • Class 12 Biology provides an in-depth exploration of essential biological concepts, focusing on the complexity and diversity of life.

  • The curriculum combines theoretical knowledge with practical applications, emphasizing experimental skills and data analysis.

  • A significant portion of the course is dedicated to understanding human body systems, their functions, and interrelationships, enhancing awareness of health and disease.

  • Students learn about ecological principles, the importance of biodiversity, and the impact of human activities on ecosystems, promoting environmental responsibility.

  • The course introduces biotechnological advancements and their implications in various fields, preparing students for modern biological challenges.

  • Emphasis on critical thinking, problem-solving, and scientific inquiry prepares students for advanced studies and careers in biological sciences.


Key features of NCERT Solutions Class 12 Biology in Hindi

  • Class 12 Biology covers advanced topics, ensuring students gain a comprehensive understanding of complex biological processes and systems.

  • Vedantu’s NCERT Solutions provides clear and step-by-step explanations for all questions in hindi, making it easier for students to grasp difficult concepts.

  • The solutions are aligned with the NCERT textbook, ensuring that all important topics and questions are covered according to the syllabus.

  • The solutions include well-labeled diagrams and illustrations that help visualize biological structures and processes, enhancing understanding.

  • With a variety of solved examples and practice questions, students can prepare effectively for board exams and competitive tests.

  • Vedantu’s NCERT Solutions are available in a FREE PDF format, allowing students to study at their convenience and revise anytime.

  • Solutions in Hindi and English provide flexibility for students, ensuring they can learn in their preferred language.

  • The solutions emphasize applying biological concepts to real-life scenarios, fostering critical thinking and practical knowledge.


CBSE Class 12 Biology Exam Preparation Tips

  • Focus on grasping core concepts and principles in each chapter, as Biology requires a solid understanding of the material.

  • Read and understand the NCERT textbook thoroughly, as it forms the basis for exam questions and is aligned with the syllabus.

  • Create concise notes for each chapter, summarizing important points, definitions, and processes. This will help during revision.

  • Pay special attention to diagrams and illustrations. Practice drawing and labelling them accurately, as they are often asked in exams.

  • Practice solving previous years’ question papers to familiarize yourself with the exam format and frequently asked questions.

  • Set a regular revision schedule, revisiting each chapter multiple times to reinforce your understanding and retention.

  • Try to connect theoretical concepts to real-life applications and scenarios, which can enhance your understanding and recall.


Effective preparation for Class 12 Biology requires a comprehensive understanding of concepts, regular practice, and strategic revision. By utilizing resources like NCERT textbooks and Vedantu's NCERT Solutions, students can clarify doubts and reinforce their knowledge. Implementing study techniques such as making notes, practising diagrams, and solving past papers will enhance their readiness for exams. Additionally, maintaining a balanced lifestyle and managing time wisely will contribute to overall success. With dedication and the right strategies, students can excel in their Class 12 Biology exams and build a solid foundation for future studies in the life sciences.


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FAQs on NCERT Solutions For Class 12 Biology In Hindi All Chapters - 2025-26

1. Where can I find accurate, chapter-wise NCERT Solutions for Class 12 Biology for the 2025-26 session?

Vedantu provides comprehensive and expertly verified chapter-wise NCERT Solutions for Class 12 Biology. These solutions are fully aligned with the latest CBSE 2025-26 syllabus and cover every question from the textbook, ensuring you have a reliable resource for all chapters.

2. How do these NCERT Solutions for Class 12 Biology help in preparing for the CBSE board exams?

Our NCERT Solutions are designed to maximise your board exam score by:

  • Providing step-by-step answers as per the CBSE marking scheme.

  • Explaining complex concepts in an easy-to-understand manner.

  • Ensuring all diagrams are accurately labelled and easy to replicate.

  • Helping you manage time effectively by providing efficient problem-solving methods.

3. Are the solutions for all in-text and end-of-chapter exercise questions provided?

Yes, our NCERT Solutions for Class 12 Biology are exhaustive. They cover 100% of the questions, including all in-text questions (the questions within the chapter) and the full set of exercise questions at the end of each chapter, leaving no part of the textbook unsolved.

4. Which major units of the Class 12 Biology syllabus are covered in these NCERT Solutions?

The solutions cover all five major units prescribed in the CBSE Class 12 Biology syllabus. This includes detailed answers for chapters under Reproduction, Genetics and Evolution, Biology and Human Welfare, Biotechnology and Its Applications, and Ecology and Environment.

5. How should I use these NCERT Solutions most effectively for my studies?

For maximum benefit, you should first attempt to solve the NCERT exercise questions on your own. Afterwards, use our solutions to verify your answers, understand the correct step-by-step format, and identify any gaps in your conceptual understanding. This method strengthens both your knowledge and your problem-solving skills.

6. Why is it important to follow the detailed method in the solutions for topics like genetics or biotechnology?

For scoring topics like genetics (e.g., crosses) and biotechnology (e.g., rDNA technology), marks are often awarded for specific steps and keywords. Following the structured method shown in our solutions ensures you don't miss any crucial steps, present your answer clearly, and meet the expectations of the CBSE evaluation process, thus securing full marks.

7. Beyond just providing answers, how do these solutions clarify complex biological processes like the Lac Operon?

Our solutions do more than just give the final answer. For complex topics like the Lac Operon or the Human Genome Project, the answers are structured to break down the process into logical, easy-to-digest parts. This helps you understand the underlying 'why' and 'how' of the mechanism, not just memorise the definition.

8. Do the NCERT Solutions also explain the reasoning for HOTS (Higher Order Thinking Skills) questions?

Yes, our subject matter experts ensure that the solutions for HOTS questions are explained with clear logic and reasoning. The answers are crafted to not only be correct but also to demonstrate the application of concepts, helping you develop the critical thinking skills required to tackle such questions in the exam.

9. How can mastering the NCERT textbook exercises with these solutions help build a foundation for competitive exams like NEET?

The NCERT textbook is the fundamental resource for competitive exams like NEET. By thoroughly solving every textbook question using our solutions, you build an exceptionally strong conceptual foundation. This clarity on core principles is essential for tackling the application-based and more complex MCQs that appear in competitive entrance exams.