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CBSE 2026 Class 12 LIVE: Biology exam today at 10 am; paper analysis, exam guidelines

Aatif Ammad | March 27, 2026 | 04:30 AM IST | 3 mins read

The CBSE Class 12 Biology exam is scheduled today from 10:30 am to 1:30 pm. Students are advised to arrive at their centres by 9:30 am and must carry their admit cards.Details on paper analysis, answer keys, passing criteria, and other updates will be available

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CBSE Class 12 Biology Exam 2026 (Wikimedia Commons)

The Central Board of Secondary Education (CBSE) is set to conduct the Class 12 Biology exam today March 27. The examination will be held in a single shift from 10:30 am to 1:30 pm at centres across the country.

Students are advised to reach their exam centres by 9:30 am. A 15-minute reading period will be given from 10:15 am to 10:30 am to go through the question paper before writing begins. Entry into the exam hall will not be permitted after 10:00 am, as per board guidelines.

The Biology paper will carry a total of 100 marks, with 70 marks for theory and 30 marks for practical assessment.

To qualify the CBSE Board Exams 2026, students must obtain a minimum of 33% marks in each subject, including theory and internal assessment components. For subjects involving practicals, candidates are required to pass both theory and practical exams separately and secure at least a Grade D.

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Once the exam is over, students can refer to unofficial answer keys and solutions released by coaching institutes and experts to evaluate their expected scores.

CBSE Class 12 Biology: Exam day guidelines

Students appearing for the CBSE Class 12 Biology board exam are required to follow the below instructions issued by the board to ensure a smooth examination process;

  • Reach the examination centre at least 30–45 minutes before the reporting time to complete entry formalities smoothly.

  • Entry will not be allowed after the reporting time, so ensure you arrive on time.

  • Carry the CBSE-issued admit card mandatorily; without it, entry to the exam hall will be denied.

  • The question paper and answer booklet will be distributed 15 minutes before the exam begins.

  • Use the reading time to carefully go through the question paper and fill in all necessary details on the answer sheet before starting.

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CBSE Class 12 Biology Paper Analysis

Updates on the CBSE Class 12 Biology paper analysis and answer key will be available after the exam concludes. The Central Board of Secondary Education does not issue official answer keys for board exams.

However, various coaching institutes and subject experts release unofficial answer keys and detailed analyses soon after the exam. These resources allow students to review the paper and assess their expected scores based on their performance.

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LIVE UPDATES
CBSE Class 12 Biology Exam 2026: The Biology paper will be conducted today, March 27 from 10:30 am to 1:30 pm. Students must report by 9:30 am with admit cards. Updates on Paper analysis, unofficial answer keys, exam guidelines, marking scheme, passing marks and other details.

March 27, 2026 | 04:30 AM IST

CBSE Class 12 Biology 2026: Chapter-wise weightage

Chapters like Genetics, Biotechnology, and Ecology usually carry higher weightage. Focus on frequently asked units from NCERT for better scoring.

March 27, 2026 | 04:30 AM IST

CBSE Biology Exam 2026: How to attempt long answers

Write structured answers with headings, include diagrams where required, and stick to word limits for clarity and better marks.

March 27, 2026 | 03:30 AM IST

CBSE Class 12 Biology: Key instructions before starting exam

Utilise the 15-minute reading time to understand the question paper thoroughly. Fill in all required details on the answer sheet and plan your answers before writing to avoid mistakes.

March 27, 2026 | 02:30 AM IST

CBSE Biology 2026: Answer key and paper analysis after exam

After the exam concludes, students can check unofficial answer keys and detailed paper analysis released by coaching institutes and subject experts to estimate their scores.

March 27, 2026 | 12:30 AM IST

CBSE Class 12 Biology: Common mistakes to avoid

Avoid writing vague answers or skipping important diagrams. Ensure proper labeling in diagrams, stick to the question requirements, and manage time effectively to complete all sections.

March 26, 2026 | 11:30 PM IST

CBSE Biology Exam 2026: Documents and items to carry

Students must carry their admit card and essential stationery to the exam centre. Avoid bringing electronic gadgets or any prohibited items, as they may lead to disqualification.

March 26, 2026 | 10:30 PM IST

CBSE Class 12 Biology: Expected question pattern 2026

The Biology paper is expected to include a mix of objective, short-answer, and long-answer questions. Students may also see case-study based questions and diagram-based problems, largely derived from NCERT concepts and applications.

March 26, 2026 | 10:00 PM IST

CBSE Biology 2026: Time management tips for exam day

Allocate time wisely across sections, attempt easier questions first, and reserve time at the end for revision to avoid mistakes.

March 26, 2026 | 09:30 PM IST

CBSE Biology 2026: Marking scheme and passing criteria

The paper carries 100 marks, with 70 for theory and 30 for practicals. Students must secure at least 33% in both theory and practical components to pass.


March 26, 2026 | 09:00 PM IST

CBSE Class 12 Biology: Exam day guidelines

Students should reach the centre 30–45 minutes early, carry admit cards, and follow all instructions strictly. Entry will not be allowed after 10:00 am.

March 26, 2026 | 08:30 PM IST

CBSE Biology Exam 2026: Last-minute revision strategy

Focus on NCERT diagrams, important definitions, and previous year questions. Avoid starting new topics and revise formulas, cycles, and processes for better retention.

March 26, 2026 | 07:48 PM IST

CBSE Class 12 Biology 2026: Important topics to focus on

Key chapters include Genetics and Evolution, Biotechnology, Ecology, Reproduction, and Human Health & Disease. Most questions are expected to be NCERT-based, so thorough revision is essential.

March 26, 2026 | 06:00 PM IST

CBSE Class 12 Biology: Exam tomorrow, key timings

The CBSE Class 12 Biology exam will be held on March 27 in a single shift from 10:30 am to 1:30 pm. Students must reach centres by 9:30 am. Entry will not be allowed after 10:00 am.

March 26, 2026 | 06:00 PM IST

CBSE Class 12 Biology: Admit card mandatory for entry

Candidates must carry their CBSE-issued admit cards to the exam centre. Without a valid admit card, students will not be permitted to appear for the Class 12 Biology exam.

March 26, 2026 | 06:00 PM IST

CBSE Class 12 Biology: Marking scheme and passing criteria

The Biology paper carries 100 marks—70 for theory and 30 for practicals. Students must secure at least 33% overall and pass both theory and practical components separately.