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The Rajasthan Board of Secondary Education (RBSE) conducted the Class 12 Biology exam today, on Saturday, February 28, 2026, from 8:30 AM to 11:45 AM. The exam paper contained topics like genetics and evolution, reproduction, biotechnology, and ecology. Multiple Choice Questions (MCQs), fill-in-the-blank questions, extremely brief answers, and lengthy essay-style responses were among the objective and descriptive formats used in the question paper's structure. The paper was for 56 marks, consisting of 30 marks for practical exams and 14 marks for sessional/internal evaluation, for a total score of 100.
The RBSE Class 12 Biology question paper and answer key PDF downloads are available here for students to review their answers and calculate their final marks.
Also check: RBSE Class 12 Syllabus 2025-26 Download Subject-Wise Syllabus PDF
RBSE Class 12 Biology 2026: Key Highlights
Students can find exam details from the table shared below. This includes, shift timing, date, total marks and paper structure for RBSE Board Class 12 Biology
| Particulars | Details |
| Conducting Body | Board of Secondary Education, Rajasthan (RBSE) |
| Exam Date | February 28, 2026 |
| Exam Timing | 8:30 AM – 11:45 AM |
| Theory Marks | 56 Marks |
| Practical Marks | 30 Marks |
| Sessional Marks | 14 Marks |
| Passing Marks | 33% (Separately in Theory and Practical/Internal) |
| Official Website |
RBSE Class 12 Biology Question Paper 2026: Download PDF
Students can access the official RBSE class 12 Biology question paper from here. The exam has been conducted for Biology today. The question paper shared here will help students evaluate their answers and overall performance.
RBSE Class 12 Biology Question Paper 2026 PDF (Link to be generated soon) |
RBSE Class 12 Biology Question Paper Pattern 2026
Here students can check for question paper pattern, mark distribution for the 2026 Biology exam. It can help review and get a clarity of the 2026 question paper.
Unit-Wise Marks Distribution
| S.No. | Type of Question | No. of Questions | Marks per Question | Total Marks |
| 1 | Multiple Choice Questions (MCQ) | 18 | 0.5 | 9 |
| 2 | Fill in the Blanks | 10 | 0.5 | 5 |
| 3 | Very Short Answer | 10 | 1 | 10 |
| 4 | Short Answer | 10 | 1.5 | 15 |
| 5 | Long Answer | 3 | 3 | 9 |
| 6 | Essay Type / Descriptive | 2 | 4 | 8 |
| Total | 53 | — | 56 |
Class 12 Biology Topic-Wise Marks Distribution
In the shared table students can check for chapter-wise marks distribution in the question paper for Class 10 Maths.
| Unit / Topic | Specific Chapters Included | Weightage (Marks) |
| Reproduction | Sexual Reproduction in Flowering Plants (5), Human Reproduction (5), Reproductive Health (2) | 12 |
| Genetics & Evolution | Principles of Inheritance & Variation (6), Molecular Basis of Inheritance (6), Evolution (4) | 16 |
| Biology & Human Welfare | Human Health & Disease (4), Microbes in Human Welfare (4) | 8 |
| Biotechnology | Principles & Processes (5), Applications (5) | 10 |
| Ecology & Environment | Organisms & Populations (4), Ecosystem (3), Biodiversity & Conservation (3) | 10 |
| Total | 56 |
RBSE Class 12 Biology Answer Key 2026: Download PDF
Given here is a link to access the RBSE Class 12 Biology answer key PDF. As the board will soon release the answer key, within the end of the month, students can anticipate a direct link to download the PDF from here.
RBSE Class 12 Biology Answer Key 2026 PDF (Link will be generated soon) |
RBSE 12th Date Sheet 2026 (REVISED)
Here you can find RBSE class 12 date-sheet 2026 revised version.
| Exam Date | Subjects |
| 12 Feb 2026 | Psychology (19) |
| 13 Feb 2026 | English Compulsory (02) |
| 14 Feb 2026 | Public Administration |
| 16 Feb 2026 | Geography (14) / Accountancy (30) / Physics (40) Painting (17) |
| 17 Feb 2026 | Computer Science (03) / Informatics Practices (04) |
| 18 Feb 2026 | Sanskrit Literature (12) / Sanskrit Literature (94) |
| 19 Feb 2026 | Environmental Science |
| 20 Feb 2026 | Hindi Compulsory |
| 21 Feb 2026 | Philosophy (85) / General Science (56) |
| 23 Feb 2026 | Political Science (11) / Geology (43) / Agricultural Science (84) |
| 24 Feb 2026 | Drawing |
| 25 Feb 2026 | Mathematics |
| 26 Feb 2026 | English Literature (20) / Tankan Lipi (Hindi) |
| 27 Feb 2026 | Rigveda (44) / Shukla Yajurveda (45) / Krishna Yajurveda (46) / Samaveda (47) / Atharvaveda (48) Nyaya Darshan (49) / Vedanta Darshan (50) / Mimamsa Darshan (51) / Jain Darshan (52) / Nimbarka Darshan (53) / Vallabh Darshan (54) General Darshan (55) / Ramanand Darshan (57) / Grammar Shastra (86) / Literature (87) Ancient History (88) / Theology (89) / Astrology (70) / Oceanography (91) / Architecture (92) / Priesthood (93) |
| 28 Feb 2026 | Economics (10) / Quick Script Hindi (32) / Quick Script English (33) Agricultural Biology (39) / Biology (42) |
| 04 Mar 2026 | History (13) / Business Studies (31) / Agricultural Chemistry (38) / Chemistry (41) |
| 05 Mar 2026 | Vocal Music (16) / Dance Kathak (59) Instrumental Music – Tabla (63), Pakhawaj (64), Sitar (65), Sarod (66), Violin (67), Dilruya (68), Flute (69), Guitar (70) |
| 06 Mar 2026 | Vocational Subjects |
| 07 Mar 2026 | Sociology (29) |
| 09 Mar 2026 | Home Science (18) |
| 10 Mar 2026 | Hindi Literature (21) / Urdu Literature (22) / Sindhi Literature (23) / Gujarati Literature (25) Punjabi Literature (25) / Rajasthani Literature (26) / Persian (27) / Prakrit Language (28) Typographic Script (English) (35) (Starts at 9:00 AM) |
| 11 Mar 2026 | Physical Education (60) |
(Note: RBSE Class 12 board exams will be conducted in a single morning shift, typically from 8:30 AM to 11:45 AM. Only the exams dated 17 & 24 February will be conducted in evening shift from 2:00 PM - 5:15 PM, as per the revised schedule.)
RBSE Class 12 Exam Datesheet 2026: Download PDF |
How to Download RBSE 12th Date Sheet 2026 PDF
Follow these simple steps to download the official date sheet from the RBSE website:
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Visit the RBSE official website: rajeduboard.rajasthan.gov.in.
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On the homepage, look for the link titled “RBSE Date Sheet 2026” or “RBSE Class 12 Time Table 2026”.
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Click on the correct link for the Class 12 date sheet.
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The PDF will open showing subject-wise exam dates and times.
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Download and save the PDF for future reference.
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