Biology 12th Standard, HSC New Syllabus.
Welcome to the ultimate study resource for Class 12 Biology under the HSC Maharashtra State Board. Whether you are searching for complete, chapter-wise Balbharati Solutions, detailed textbook exercise answers, or a comprehensive archive of Previous Years' Board Question Papers, this guide provides everything you need to revise effectively and score maximum marks in your board exams.
Balbharati Solutions for Biology 12th Standard (Chapter-wise)
- Chapter 1: Reproduction in Lower and Higher Plants
- Chapter 2: Reproduction in Lower and Higher Animals
- Chapter 3: Inheritance and Variation
- Chapter 4: Molecular Basis of Inheritance
- Chapter 5: Origin and Evolution of Life
- Chapter 6: Plant Water Relation
- Chapter 7: Plant Growth and Mineral Nutrition
- Chapter 8: Respiration and Circulation
- Chapter 9: Control and Coordination
- Chapter 10: Human Health and Diseases
- Chapter 11: Enhancement of Food Production
- Chapter 12: Biotechnology
- Chapter 13: Organisms and Populations
- Chapter 14: Ecosystems and Energy Flow
- Chapter 15: Biodiversity, Conservation and Environmental Issues
Chapter-wise Weightage & Important Topics
To plan your studies effectively, check out the Chapter-wise weightage for HSC Biology. Focus on high-weightage chapters like Reproduction, Respiration and Circulation, and Control and Coordination.
HSC Previous Years Biology Board Papers (With Answer Keys)
Practicing previous year question papers is the best way to understand the exam pattern and frequently asked questions.
- Biology (July 2025) English Medium: View Paper | Answer Key
- Biology (March 2025) English Medium: View Paper | Answer Key
- Biology (March 2025) Marathi Medium: View Paper | Answer Key
- Biology (March 2025) Hindi Medium: View Paper | Answer Key
- Biology (March 2024) English Medium: View Paper | Answer Key 1 | Answer Key 2
- Biology (March 2024) Hindi Medium: View Paper | Answer Key
- Biology (July 2024) English Medium: View Paper | Answer Key
- Biology (March 2023) English Medium: View Paper | Answer Key
- Biology (July 2023) English Medium: View Paper | Answer Key
- Biology (March 2022) English Medium: View Paper | Answer Key
- Biology (July 2022) English Medium: View Paper | Answer Key
- Biology (March 2020) English Medium: View Paper | Answer Key
- Biology (March 2019) English Medium: View Paper | Answer Key
- Biology (July 2019) English Medium: View Paper | Answer Key
- Older Question Papers (2013-2017): Mar 2013 | Oct 2013 | Mar 2014 | Oct 2014 | Mar 2015 | July 2015 | Mar 2016 | July 2016 | Mar 2017 | July 2017
Exam Tip: HSC Board examiners explicitly look for standard textbook definitions and clean, well-labelled diagrams. Whenever explaining a biological process, always draw a corresponding figure and ensure your labels are written clearly on the right-hand side!
🔥 Latest Updates & Alerts
- New Release: Latest Important Question Papers for upcoming Board Exams have been added!
- Study Alert: Updated chapter-wise Concept Guides and Solutions are now available.
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📙 Maharashtra Board (SSC & HSC): Access complete textbook solutions, chapter notes, and free PDF downloads for the latest Maharashtra syllabus.
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📖 Master English Grammar
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Core Grammar Rules: Clear all your doubts with our comprehensive English Grammar resources, simplified rules, and solved examples to avoid silly mistakes in exams.
👉 Grammar Lessons
✍️ High-Scoring Writing Skills Formats
Examiners look for specific formats. Use our expertly crafted templates and examples to secure full marks in your language papers!
- 📝 Essay Writing: Well-crafted, high-vocabulary essays on trending and evergreen topics.
👉 Read Top-Scoring Essays - ✉️ Letter Writing: Exact formats for Formal and Informal letters with solved examples.
👉 Learn Letter Formats - 🎤 Speech Writing: Engaging openings, structured bodies, and powerful conclusions.
👉 Prepare Your Speech - 📊 Report Writing: Step-by-step guide to writing factual and newspaper reports.
👉 View Report Formats - 💬 Dialogue Writing: Learn to draft natural and grammatically correct conversations.
👉 Practice Dialogues - 💡 Expansion of Ideas: Detailed explanations of proverbs and quotes for exam essays.
👉 Explore Idea Expansions - 🎙️ Interview Questions: Standard, ready-to-use sets of 10 interview questions.
👉 Get Interview Questions - 🗺️ Leaflet / Fact File Writing: Create attractive and informative tourist leaflets easily.
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🧸 For Junior Students & Kids
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🖍️ Printable PDF Worksheets: Fun, engaging, and educational downloadable worksheets specially designed to build strong foundations for kids.
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🏆 Essential Exam Resources & Past Papers
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Official Timetables & Past Papers: Don't enter the exam hall without solving past papers! Access official board timetables, previous year question papers, and essential revision notes.
👉 Access 10th & 12th Board Papers Now
Important Biology Terms & Definitions (Glossary)
| Term | Biological Definition |
|---|---|
| Reproduction | The biological process by which new individual organisms (offspring) are produced from their parents. |
| Inheritance | The process by which genetic information and specific traits are passed on from parent to child. |
| Variation | Any difference between cells, individual organisms, or groups of species caused by genetic differences or environmental factors. |
| Molecular | Relating to molecules (the smallest particle of a substance that has all the physical and chemical properties of that substance). |
| Evolution | The continuous process by which different kinds of living organisms have developed from earlier forms over the history of the earth. |
| Nutrition | The process of providing or obtaining the food and nutrients necessary for optimal health and growth. |
| Respiration | The process in living organisms of taking in oxygen and releasing carbon dioxide, involving the oxidation of complex organic substances to release energy. |
| Circulation | The movement of blood through the vessels of the body, induced by the pumping action of the heart. |
| Coordination | The harmonious functioning of different biological systems and parts of an organism to successfully complete an activity. |
| Enhancement | An increase or improvement in quality, value, or extent (e.g., boosting crop yields in food production). |
| Biotechnology | The technological application that uses biological systems, living organisms, or derivatives to develop, make, or modify products. |
| Organisms | Individual living entities, such as plants, animals, bacteria, or fungi capable of carrying out life processes. |
| Populations | A group of organisms of the same species living and interbreeding in a particular geographic area. |
| Ecosystems | A functional biological community of interacting organisms and their surrounding physical environment. |
| Biodiversity | The rich variety of plant and animal life in a particular habitat or the world, crucial for ecological stability. |
| Conservation | The active protection, preservation, and management of wildlife and natural resources (forests, soil, water). |