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Access free, verified RBSE Board Solutions for Class 12 Biology, fully updated for the 2026-27 academic session. These have been prepared by expert teachers and provide detailed step-by-step solutions which help students learn key concepts and score higher marks in their 2026 school tests and examinations.
Key Features of Our Class 12 Biology Solutions
- Latest Syllabus Alignment: Solved strictly according to the latest 2026-27 RBSE Board textbook guidelines for Class 12 Biology.
- Step-by-Step guidance: All difficult topics and exercise problems have been simplified to ensure complete conceptual clarity.
- Exam-Oriented answers: Answers have been designed to help students write good answers for the 2026 exams according to official marking schemes.
- Detailed coverage: Solved answers for all questions provided at the end of every chapter.
Chapter-Wise Class 12 Biology Solutions PDF (2026-27)
Click on the chapter wise links below to download or view the complete RBSE Board solutions for Class 12 Biology. Click on any chapter link below to begin your 2026 exam preparation.
| Chapter 1 Reproduction in Angiospermic Plants RBSE Solutions |
| Chapter 1 आवृतबीजी पादपों में जनन; कायिक, अलैंगिक, लैं RBSE Solutions |
| Chapter 2 Male and Female Gametophyte: Structure and Development RBSE Solutions |
| Chapter 2 नर एवं मादा युग्मकोभिद-संरचना व विकास RBSE Solutions |
| Chapter 3 Pollination, Fertilization & Development of Endosperm and Embryo RBSE Solutions |
| Chapter 3 परागण, निषेचन तथा भ्रूणपोष व भ्रूण का परिवर् RBSE Solutions |
| Chapter 4 Special Methods of Plant Reproduction RBSE Solutions |
| Chapter 4 पादप जनन की विशिष्ट विधियाँ RBSE Solutions |
| Chapter 5 Plant Water Relations RBSE Solutions |
| Chapter 5 पादप-जल संबंध RBSE Solutions |
| Chapter 6 Absorption of Water and Ascent of Sap in Plants RBSE Solutions |
| Chapter 6 पादपों में जल अवशोषण व रसारोहण RBSE Solutions |
| Chapter 7 Transpiration RBSE Solutions |
| Chapter 7 वाष्पोत्सर्जन व बिन्दुस्राव RBSE Solutions |
| Chapter 8 Mineral Nutrition in Plants RBSE Solutions |
| Chapter 8 पादपों में खनिज पोषण RBSE Solutions |
| Chapter 9 Enzymes RBSE Solutions |
| Chapter 9 एन्जाइम RBSE Solutions |
| Chapter 10 Photosynthesis RBSE Solutions |
| Chapter 10 प्रकाश संश्लेषण RBSE Solutions |
| Chapter 11 Respiration RBSE Solutions |
| Chapter 11 श्वसन RBSE Solutions |
| Chapter 12 Nitrogen Metabolism and Nitrogen Cycle RBSE Solutions |
| Chapter 12 नाइट्रोजन उपापचय तथा नाइट्रोजन चक्र RBSE Solutions |
| Chapter 13 Plant Growth RBSE Solutions |
| Chapter 13 पादप वृद्धि RBSE Solutions |
| Chapter 14 Biotechnology General Introduction RBSE Solutions |
| Chapter 14 जैव प्रौद्योगिकी-सामान्य परिचय RBSE Solutions |
| Chapter 15 Genetic Engineering RBSE Solutions |
| Chapter 15 आनुवंशिक अभियांत्रिकी RBSE Solutions |
| Chapter 16 Plant Tissue Culture RBSE Solutions |
| Chapter 16 पादप ऊतक संवर्धन RBSE Solutions |
| Chapter 17 Economic Botany and Human Welfare RBSE Solutions |
| Chapter 17 आर्थिक वनस्पति विज्ञान एवं मानव कल्याण RBSE Solutions |
| Chapter 18 Oil, Fibres, Spices and Medicine Producing RBSE Solutions |
| Chapter 18 तेल, रेशे, मसाले एवं औषधि उत्पादक पादप RBSE Solutions |
| Chapter 19 Sustainable Agriculture RBSE Solutions |
| Chapter 19 प्रतिपालनीय कृषि RBSE Solutions |
| Chapter 20 Bioenergy RBSE Solutions |
| Chapter 20 जैव ऊर्जा RBSE Solutions |
| Chapter 21 Human Integumentary System RBSE Solutions |
| Chapter 21 मानव का अध्यावरणी तंत्र RBSE Solutions |
| Chapter 22 Man-Digestive System RBSE Solutions |
| Chapter 22 मानव का पाचन तंत्र RBSE Solutions |
| Chapter 23 Man-Respiratory System RBSE Solutions |
| Chapter 23 मानव का श्वसन-तंत्र RBSE Solutions |
| Chapter 24 Man-Blood Vascular, System RBSE Solutions |
| Chapter 24 मानव का रक्त परिसंचरण तंत्र RBSE Solutions |
| Chapter 25 Man-Excretory System RBSE Solutions |
| Chapter 25 मानव का उत्सर्जन तंत्र RBSE Solutions |
| Chapter 26 Man-Nervous System RBSE Solutions |
| Chapter 26 मानव का तंत्रिका तंत्र RBSE Solutions |
| Chapter 27 Man-Sensory Organs (Sense Organs) RBSE Solutions |
| Chapter 27 मानव के संवेदी अंग, ज्ञानेन्द्रियाँ RBSE Solutions |
| Chapter 28 Man-Reproductive System RBSE Solutions |
| Chapter 28 मानव का जनन तंत्र RBSE Solutions |
| Chapter 29 Man-Chemical Coordination RBSE Solutions |
| Chapter 29 मानव में रासायनिक समन्वयन RBSE Solutions |
| Chapter 30 Man-Movement & Locomotion RBSE Solutions |
| Chapter 30 मानव में गति एवं चलन RBSE Solutions |
| Chapter 31 Man-Gametogenesis RBSE Solutions |
| Chapter 31 मानव में युग्मकजनन RBSE Solutions |
| Chapter 32 Man-Fertilization RBSE Solutions |
| Chapter 32 मानव में निषेचन RBSE Solutions |
| Chapter 33 Embryonic Development in Man RBSE Solutions |
| Chapter 33 मानव में भ्रूणीय परिवर्धन RBSE Solutions |
| Chapter 34 Menstrual Cycle in Woman RBSE Solutions |
| Chapter 34 मानव में आर्तव चक्र RBSE Solutions |
| Chapter 35 Mendel’s Law of Inheritance RBSE Solutions |
| Chapter 35 मेंडल के आनुवंशिकता के नियम RBSE Solutions |
| Chapter 36 Man-Chromosomal Aberrations RBSE Solutions |
| Chapter 36 मानव में गुणसूत्रीय विकृतियाँ RBSE Solutions |
| Chapter 37 Mutations RBSE Solutions |
| Chapter 37 उत्परिवर्तन RBSE Solutions |
| Chapter 38 Human Population RBSE Solutions |
| Chapter 38 मानव जनसंख्या RBSE Solutions |
| Chapter 39 Immune System RBSE Solutions |
| Chapter 39 प्रतिरक्षा तंत्र RBSE Solutions |
| Chapter 40 Important and Common Human Diseases RBSE Solutions Important Questions |
| Chapter 40 मानव के प्रमुख एवं सामान्य रोग RBSE Solutions |
| Chapter 41 Domestication, Culture & Economic Importance RBSE Solutions Important Questions |
| Chapter 41 प्राणियों का घरेलूकरण (ग्राम्यन), संवर्धन त RBSE Solutions |
| Chapter 42 Bio-Medical Technologies RBSE Solutions |
| Chapter 42 जैव चिकित्सा तकनीकें RBSE Solutions |
Free study material for Biology
FAQs
How can I download the latest RBSE Board solutions for Class 12 in PDF?
You can download chapter-wise RBSE Board solutions for all Class 12 subjects for free from StudiesToday. All files are provided in high-quality, mobile-friendly PDF formats for easy offline viewing
Are these Class 12 solutions based on the rationalized syllabus for 2026-27?
Yes, all solutions for Class 12 are strictly aligned with the latest rationalized RBSE Board syllabus. Deleted chapters have been removed, and answers for new question patterns have been updated for the current academic session.
Do the Class 12 solutions include step-by-step explanations?
Yes, our subject teachers provide detailed, step-by-step solutions for textbook exercises. This includes comprehensive answers for theoretical questions, solved numericals, and labeled diagrams wherever applicable.
How does practicing RBSE Board textbook solutions help in exams?
Most RBSE Board school tests and board exam questions are drawn directly from official textbook exercises. Practicing these solutions helps Class 12 students understand the marking scheme and structure clear, high-scoring answers.
Is it completely free to access Class 12 solutions on StudiesToday?
Yes, access to all RBSE Board solutions, practice worksheets, and revision notes for Class 12 is 100% free. Students and teachers can view or download any chapter without registration or hidden fees.
Are RBSE Board solutions available in both English and Hindi medium?
Yes, to assist students across different mediums, we provide Class 12 RBSE Board solutions in multiple languages, including English Medium and Hindi Medium (हिंदी माध्यम).