CISCE Board Exams 2026 LIVE: ISC Class 12 Biology question paper analysis; answer key, updates
Aatif Ammad | March 6, 2026 | 11:00 PM IST | 10 mins read
ISC 12th Biology exam will carry 70 marks for theory and 30 marks for practical, with students required to secure at least 40% separately in both components to pass. Check details on paper analysis, pattern, timings and important units
Get the complete ISC Class 12 Syllabus 2026 with subject-wise topics. Plan your preparation smartly with the latest updated syllabus.
Download EBookThe Council for the Indian School Certificate Examinations (CISCE) concluded the Indian School Certificate (ISC) Class 12 Biology paper today at 5:00 pm. Students are advised to reach their respective exam centres at least 40–45 minutes before the exam begins to complete entry and verification procedures.
ISC Class 12th QP's 2026: English Paper 2 | Chemistry Paper 1 | Maths | Physics | Economics
ISC Class 12th Answer Key 2026: English Paper 2 | Chemistry | Maths | Biology | Economics
ISC 12th 2026: Admit Card PDF | Time Table | Syllabus
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Meanwhile, the council has announced that examinations scheduled for the same date in some international locations, including parts of the UAE and the Middle East, have been postponed. Revised dates for these centres will be announced later.
The ISC 12th Biology paper will be assessed through a combination of theory and practical components. The theory paper carries 70 marks, while the remaining 30 marks are allotted to the practical.
Students will be given three hours to complete the written paper, along with an additional 15 minutes of reading time before the exam begins.
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ISC Class 12 Biology Exam 2026: Passing marks
As per the exam pattern, the question paper is divided into four sections—A, B, C, and D. Section A is compulsory and generally includes multiple-choice questions and very short-answer questions.
Sections B, C and D feature a mix of short-answer, long-answer and case-study-based questions designed to test both conceptual understanding and application of biological concepts.
To qualify in the ISC Class 12 Biology exam 2026, candidates are required to score at least 40% marks individually in both the theory and practical sections.
ISC Biology Exam 2026: Important topics
Students preparing for the ISC Class 12 Biology examination should pay special attention to the following core units, which carry significant weightage in the question paper:
- Genetics and Evolution: This unit generally carries the highest weightage in the paper and includes analytical and problem-based questions related to heredity, variation, and evolutionary concepts.
- Reproduction: Questions from this section focus on reproductive processes in humans and other organisms. Though detail-oriented, it is considered a scoring unit if concepts are clearly revised.
- Biotechnology: This topic usually includes straightforward questions on biotechnology principles and their real-world applications, making it relatively predictable for students.
- Ecology and Environment: Despite often being overlooked by students, this unit appears regularly in the exam with questions related to ecosystems, environmental issues, and biodiversity.
- Biology and Human Welfare: This section covers topics linked to human health, diseases, and the role of microbes in medicine and welfare.
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March 6, 2026 | 11:00 PM IST
Students ask "Can I get my result offline?"
No. Students will only be able to access and download their ISC 2026 results online on the official website by using their login credentials.
March 6, 2026 | 10:00 PM IST
What ISC Class 12th exam will be held on March 7?
The next ISC Class 12th board exams will be held on March 7, 2026, are Fashion Designing - Paper 1 (Theory) and Indian Music - Hindustani - Paper 1 (Theory), scheduled for 2:00 pm.
March 6, 2026 | 09:00 PM IST
ISC Class 12th Question Papers 2026
Candidates can check the pointers below for the ISC Class 12th Question Papers 2026:
- The CISCE board releases the ISC sample question papers for the students to practice.
- Students must read the previous years’ ISC question papers and understand the exam pattern and typology of questions asked in the exam.
- The ISC 12th question papers are helpful for students to study and practice solving them sincerely.
March 6, 2026 | 08:00 PM IST
ISC Class 12th Exam 2026 Dress code
As per the guidelines, regular students are required to wear their school uniform, while private students need to wear light coloured clothes for the ISC 2026 examination.
March 6, 2026 | 07:00 PM IST
CISCE Board Exams 2026: Can I get my result offline?
Students will only be able to access and download their ISC results online on the official website by using their login credentials.
March 6, 2026 | 06:00 PM IST
ISC Class 12 Exam 2026: Important instructions for students
Students appearing for the ISC Class 12 examination conducted by the Council for the Indian School Certificate Examinations (CISCE) will receive 15 minutes to read the question paper before the exam begins. Candidates should arrive at the examination centre at least 30 minutes early.
The exam will begin at 2:00 PM and continue for three hours. Students are strictly prohibited from bringing books, notes, mobile phones, smartwatches, or any wireless electronic devices into the examination hall.
March 6, 2026 | 05:07 PM IST
ISC Class 12 Biology exam ends
The ISCE has concluded the ISC Class 12 Biology paper today at 5:00 pm. The authority will conduct the Fashion Designing - Paper 1 (Theory) and Indian Music - Hindustani - Paper 1 (Theory) tomorrow, March 7, 2026.
March 6, 2026 | 04:30 PM IST
ISC Class 12 Biology Exam 2026: Question paper structure
According to the exam pattern set by the Council for the Indian School Certificate Examinations (CISCE), the ISC Biology question paper is divided into four sections:
-
Section A (20 marks): Short-answer questions based on recall and application.
-
Section B (14 marks): Questions focused on application-based concepts.
-
Section C (21 marks): Reasoning, analytical, and diagram-related questions.
-
Section D (15 marks): Diagram-based questions along with explanatory answers.
March 6, 2026 | 04:05 PM IST
ISC Biology Answer Key 2026: Students can check expected scores
After the completion of the ISC Class 12 Biology exam, students will be able to access the unofficial answer key to review their responses and estimate their probable scores.
March 6, 2026 | 03:33 PM IST
ISC Class 12th board exam time table 2026
The timetable for the ISC Class 12th board exam is given below.
|
Exam dates |
Subjects |
|
March 6, 2026 |
Biology - Paper 1 (Theory) |
|
March 7, 2026 |
Fashion Designing - Paper 1 (Theory) and Indian Music - Hindustani - Paper 1 (Theory) |
|
March 9, 2026 |
Mathematics |
|
March 11, 2026 |
Business Studies |
|
March 13, 2026 |
Bengali, Gujarati, Hindi, Kannada, Khasi, Mizo, Malayalam, Nepali, Odia, Punjabi, Tamil, Telugu, Urdu, Modern Armenian, Tibetan, Arabic, Sanskrit |
|
March 14, 2026 |
Art Paper 2 (Drawing or Painting from Nature) |
|
March 16, 2026 |
Physics - Paper 1 (Theory) |
|
March 18, 2026 |
Physical Education |
|
March 23, 2026 |
Economics and Biotechnology - Paper 1 (Theory) |
|
March 25, 2026 |
Sociology |
|
March 27, 2026 |
Computer Science - Paper I (Theory) |
|
March 28, 2026 |
Art Paper 4 (Original Imaginative Composition in Colour) |
|
March 30, 2026 |
Political Science |
|
April 1, 2026 |
Elective English and Hospitality Management |
|
April 4, 2026 |
Art Paper S (Crafts ‘A’) |
|
April 6, 2026 |
Geography |
March 6, 2026 | 03:00 PM IST
ISC Class 12th board exam 2026: When is next paper?
The next exam of ISC Class 12th board 2026 is on March 9, 2026 for the subject: Mathematics.
March 6, 2026 | 02:33 PM IST
ISC Class 12 Exam 2026: About 1.5 lakh students to appear
Approximately 1.5 lakh students are expected to appear for the ISC Class 12 examination 2026, conducted by the Council for the Indian School Certificate Examinations (CISCE).
March 6, 2026 | 02:30 PM IST
ICSE Class 10 Exam 2026: Passing criteria explained
To pass the ICSE Class 10 Examination, students must secure passing marks in at least five out of the six subjects they appear for. In addition, candidates are required to obtain passing grades in SUPW (Socially Useful Productive Work) and Community Service, which are evaluated internally. The minimum passing mark for each subject is 33%.
March 6, 2026 | 02:08 PM IST
CISCE Board Exam 2026: Important exam-day guidelines
CISCE Board Exam 2026: Important exam-day guidelines
Students appearing for the Council for the Indian School Certificate Examinations (CISCE) board exams in 2026 must follow several key instructions. Candidates should arrive at their examination centres at least 40–45 minutes before the exam begins to complete verification procedures and avoid last-minute delays.
Students must carry their hall ticket and school ID card for entry into the examination hall. Additionally, wearing the school uniform is mandatory, and casual or informal clothing will not be permitted.
March 6, 2026 | 01:39 PM IST
ISC Class 12 Biology Exam 2026: Paper pattern
The Council for the Indian School Certificate Examinations (CISCE) ISC Class 12 Biology question paper is divided into four sections — A, B, C, and D. Section A is compulsory and generally contains multiple-choice and very short-answer questions.
March 6, 2026 | 01:00 PM IST
ISC Biology Exam 2026 Today: Items students should bring
Students appearing for the ISC Class 12 Biology exam should carry only essential items, including their admit card, school ID, and basic stationery, for verification and writing the exam.
March 6, 2026 | 12:30 PM IST
ISC Class 12 exam 2026: Important guidelines for students
Students will receive 15 minutes to read the question paper before the exam starts and are advised to reach the examination centre at least 30 minutes early. The ISC Class 12 exam will begin at 2:00 pm and continue for three hours. Candidates are strictly prohibited from carrying books, papers, mobile phones, smartwatches, or any wireless devices into the examination hall.
March 6, 2026 | 12:00 PM IST
ISC Class 12 Biology exam pattern 2026
The ISC Class 12 Biology examination generally consists of two parts: theory and practical. The written theory paper carries 70 marks, while the practical component, which includes laboratory work and viva, is allotted 30 marks. Students are required to perform well in both sections to achieve a good overall score.
March 6, 2026 | 11:30 AM IST
ISC Class 12 Biology Exam 2026: Items allowed
Candidates appearing for the ISC Class 12 Biology exam should carry only essential stationery, their admit card, and school ID for verification at the examination centre.
March 6, 2026 | 11:00 AM IST
ICSE Class 12 Biology Answer Key 2026: Where to check
The ICSE Class 12 Biology answer key 2026 will be available online through expert analysis on YouTube channels, educational websites, and other online platforms shortly after the exam concludes.
March 6, 2026 | 10:30 AM IST
ISC Class 12 Biology exam 2026: Items to carry
Candidates appearing for the ISC Class 12 Biology exam should carry only essential stationery, their admit card, and school ID for verification at the examination centre.
March 6, 2026 | 09:44 AM IST
ICSE Class 12 Biology Exam: Section-wise paper structure
The ISC Class 12 Biology question paper is divided into four sections. Section A carries 20 marks with short-answer recall and application-based questions. Section B is worth 14 marks and focuses on application-based questions. Section C carries 21 marks and includes reasoning, analysis, and diagram-based questions, while Section D is for 15 marks and consists of diagram and explanation-based questions.
March 6, 2026 | 08:37 AM IST
ISC Biology paper 2026 today; how many to appear?
Around 1.5 lakh students will appear for the ISC Class 12 exam board exam 2026 for Biology subject today.
March 6, 2026 | 08:20 AM IST
ISC Biology paper today; know exam pattern
According to the exam pattern, the question paper is divided into four sections—A, B, C, and D. Section A is compulsory and usually consists of multiple-choice questions and very short-answer questions.
Sections B, C, and D include a combination of short-answer, long-answer, and case-study-based questions, which aim to assess students’ conceptual understanding as well as their ability to apply biological concepts.
To pass the ISC Class 12 Biology Exam 2026, candidates must secure at least 40% marks separately in both the theory and practical components.
March 6, 2026 | 07:25 AM IST
ISC Biology paper today
The Council for Indian School Certificate Examination (CISCE) will conduct the ISC Biology paper today in the second shift. The biology paper will be held from 2 pm to 5 pm.
March 6, 2026 | 07:00 AM IST
ISC Biology Exam Today 2026: Things to carry
For the ISC 12th Biology exam, candidates should only carry the required stationery items, admit card, and school ID for verification purposes.
March 6, 2026 | 06:01 AM IST
ISC Biology Unofficial Answer Key 2026
Once the ISC 12th Biology exam is over, students will have access to ISC Biology Unofficial Answer Key 2026 to evaluate their responses and calculate their expected marks.
March 6, 2026 | 05:00 AM IST
ICSE Class 12 Biology Answer Key: Where to access?
The ISC Biology question paper will consist of four sections given below.
- Section A is 20 marks and consists of short-answer recall and application-based questions.
- Section B will carry 14 marks and consists of application questions.
- Section C is of 21 marks based on reasoning, analysis, and diagram-based answers
- Section D will be of 15 marks based on diagrams and explanation-based questions.
March 6, 2026 | 04:00 AM IST
ICSE Class 12 Biology Answer Key: Where to access?
The ICSE Class 12 Biology answer key 2026 will be available online through the experts’ official YouTube channels, websites, and other online portals.
March 6, 2026 | 03:00 AM IST
ISC 12th Biology Exam 2026: Answer Key soon
Several educational institutions and subject experts will publish the ISC Biology Answer Key 2026 soon after the exam concludes. Students can use this answer key to estimate their expected scores before the official results are announced.
March 6, 2026 | 02:00 AM IST
ISC Class 12 Biology exam today
ISC Class 12 Biology paper will be held tomorrow from 2 pm onwards. Students are advised to reach their respective exam centres at least 40–45 minutes before the exam begins. Students will be given additional 15 min to read the question paper.
March 6, 2026 | 01:34 AM IST
ISC Class 12 Biology exam today
ISCE will conduct the ISC Class 12 Biology paper tomorrow from 2 pm onwards. Students will be given 15 minutes of additional reading time before the exam begins.
March 6, 2026 | 12:32 AM IST
ISC Class 12 biology exam 2026 pattern, passing marks
According to the exam pattern, the question paper is divided into four sections—A, B, C, and D. Section A is compulsory and usually consists of multiple-choice questions and very short-answer questions.
Sections B, C, and D include a combination of short-answer, long-answer, and case-study-based questions, which aim to assess students’ conceptual understanding as well as their ability to apply biological concepts.
To pass the ISC Class 12 Biology Exam 2026, candidates must secure at least 40% marks separately in both the theory and practical components.
March 5, 2026 | 11:40 PM IST
ISC 12th English Paper 2026: How was the difficulty level?
The ISC Class 12 English Language (Paper 1) was considered moderately difficult. The proposal writing and comprehension sections were relatively easy, while the composition and short grammar/vocabulary questions were of moderate difficulty. The paper mainly focused on writing skills (worth up to 25 marks) and unseen passages that included summary-writing tasks.
Overall, the paper followed the prescribed syllabus closely, combining direct recall, analytical thinking, and creative writing. Some sections were lengthy, making time management important for students. Well-prepared candidates were generally able to attempt most sections confidently.
March 5, 2026 | 10:45 PM IST
ISC Class 12 Exam 2026: How many will appear?
Around 1.5 lakh students will appear for the ISC Class 12 exam in 2026.
March 5, 2026 | 10:15 PM IST
CISCE Board Exam 2026 Guidelines
Students appearing for the CISCE Board Exam 2026 must follow the important guidelines listed below:
- Candidates should reach their assigned examination centres at least 40–45 minutes before the exam begins.
- Arriving early helps complete the verification process smoothly and prevents any last-minute issues.
- Students must bring their hall ticket and school ID card to gain entry into the examination hall.
- Wearing the school uniform is compulsory.
- Casual or informal clothing is strictly not permitted under any circumstances.
March 5, 2026 | 09:30 PM IST
ICSE Board Exam 2026: Passing marks
To pass ICSE Class 10, students must secure passing marks in at least five out of the six subjects they appear for. They must also obtain passing grades in SUPW (Socially Useful Productive Work) and Community Service, which are assessed internally. The minimum passing requirement for each subject is 33%.
CISCE revises Class 10, 12 board exam rules; scraps compartment exam, key changes
March 5, 2026 | 08:47 PM IST
ISC PYQ of Biology 2026
Solving previous years’ questions (PYQs) for ISC 12th biology board exam 2026 and sample papers will help students identify frequently repeated topics and understand the overall difficulty level of the exam questions. It improves answer-writing skills by helping students understand the appropriate level of detail required for 2-mark, 3-mark, and 5-mark questions.
March 5, 2026 | 08:15 PM IST
ISC Class 12 examination 2026 guidelines
Students will be given 15 minutes to read the question paper before the exam begins. Candidates are required to reach the examination hall at least 30 minutes prior to the start of the exam.
The ISC Class 12 examination 2026 will start at 2:00 PM and will last for 3 hours. Students are strictly advised not to bring books, papers, mobile phones, smartwatches, or any wireless devices into the examination hall.
March 5, 2026 | 07:45 PM IST
ISC Class 12th board exam time table 2026
The ISC Class 12th board exam time table is given below.
|
Friday, March 6 |
Biology - Paper 1 (Theory) |
||
|
Saturday, March 7 |
Fashion Designing - Paper 1 (Theory) |
||
|
Indian Music - Hindustani - Paper 1 (Theory) |
|||
|
Monday, March 9 |
Mathematics |
||
|
Wednesday, March 11 |
Business Studies |
||
|
Friday, March 13 |
Bengali, Gujarati, Hindi, Kannada, Khasi, Mizo, Malayalam, Nepali, Odia, Punjabi, Tamil, Telugu, Urdu, Modern Armenian, Tibetan, Arabic, Sanskrit |
||
|
Saturday, March 14 |
Art Paper 2 (Drawing or Painting from Nature) |
||
|
Monday, March 16 |
Physics - Paper 1 (Theory) |
||
|
Wednesday, March 18 |
Physical Education |
||
|
Monday, March 23 |
Economics |
||
|
Biotechnology - Paper 1 (Theory) |
|||
|
Wednesday, March 25 |
Sociology |
||
|
Friday, March 27 |
Computer Science - Paper I (Theory) |
||
|
Saturday, March 28 |
Art Paper 4 (Original Imaginative Composition in Colour) |
||
|
Monday, March 30 |
Political Science |
||
|
Wednesday, April 1 |
Elective English |
||
|
Hospitality Management |
|||
|
Saturday, April 4 |
Art Paper S (Crafts ‘A’) |
||
|
Monday, April 6 |
Geography |
||
March 5, 2026 | 07:18 PM IST
ISC 12th Biology Question Paper 2026 PDF
After the exam concludes, students often look for the ISC 12th Biology Question Paper 2026 PDF along with its answer key to verify the answers they attempted and calculate their expected scores.
March 5, 2026 | 07:00 PM IST
Important topics for ISC 12th Biology paper 2026
The list of important topics for ISC 12th Biology 2026 are as follows.
|
Chapter/Topics |
Sub‑topics |
|
Reproduction in Organisms |
Sexual and asexual reproduction, reproductive health, related biological processes |
|
Genetics and Evolution |
Mendelian genetics, monohybrid and dihybrid crosses, inheritance patterns, linkage, mutations, basic evolution concepts |
|
Biotechnology |
Tools and techniques of biotechnology, applications in medicine, agriculture, and industry |
|
Human Health and Diseases |
Common diseases, immunity, vaccination, basic epidemiology concepts |
|
Ecology and Environment |
Ecosystems, biodiversity, environmental issues, conservation strategies |
|
Human Physiology |
Circulatory, digestive, respiratory, excretory, nervous, and endocrine systems |
March 5, 2026 | 06:30 PM IST
ISC Class 12 Biology exam 2026 tomorrow
ISC Class 12 Biology theory paper carries a total of 70 marks, and questions are framed from the 5 major units of syllabus. Candidates can check the unit-wise weightage for the ISC Class 12 Biology theory exam given below.
|
Unit |
Total Weightage |
|
Reproduction |
16 Marks |
|
Genetics and Evolution |
15 Marks |
|
Biology and Human Welfare |
14 Marks |
|
Biotechnology and Its Applications |
10 Marks |
|
Ecology and Environment |
15 Marks |
| Total |
70 Marks |
March 5, 2026 | 06:00 PM IST
ISC Class 12 Biology exam pattern 2026
The ISC Class 12 Biology exam generally consists of two components:
- Theory (Written Paper): 70 Marks
- Practical (Laboratory Work and Viva): 30 Marks
March 5, 2026 | 05:33 PM IST
ISC 12th biology exam tomorrow
CISCE will conduct the 12th biology exam from 2 pm to 5 pm.
March 5, 2026 | 05:00 PM IST
ISC Class 12 Biology 2026: Exam tomorrow at 2 pm
The Council for the Indian School Certificate Examinations (CISCE) will conduct the ISC Class 12 Biology exam on March 6 in the afternoon session starting at 2 pm. Students are advised to reach their examination centres at least 40–45 minutes before the exam begins to complete verification procedures.
March 5, 2026 | 05:00 PM IST
ISC Biology Exam 2026: Passing criteria and marking scheme
The Biology exam will include a 70-mark theory paper and a 30-mark practical component. To pass the ISC Class 12 Biology exam, students must secure at least 40% marks separately in both theory and practical sections
March 5, 2026 | 05:00 PM IST
ISC Biology Question Paper 2026: Exam pattern, sections
The ISC Biology question paper will be divided into four sections—A, B, C and D. Section A will be compulsory and is expected to include multiple-choice and very short answer questions, while the remaining sections will contain short-answer, long-answer and case-study-based questions.
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