The CBSE 12th Biology question paper had five sections with 33 total questions. Follow this blog for latest updates on timings, admit card details and more.
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NEW DELHI: The Central Board of Secondary Education (CBSE) Class 12 biology exam was held today. The CBSE Class 12th biology exam was held for 70 marks and all questions were compulsory. The question paper had five sections with 33 total questions.
New: CBSE Class 12 Date Sheet 2025 Declared; Direct Link
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While section A will have 16 questions of one mark each, section B will have five questions of two marks each. Section C will comprise seven questions of three marks each, section D will have two case-based questions of four marks each. Section E will have three questions of five marks each.
There will not be any overall choice. However, internal choices will be provided in some questions, the CBSE 12th sample paper 2023 said. A student has to attempt only one of the alternatives in such questions.
Students taking the CBSE board exams 2023 today will be required to carry CBSE Class 12 hall tickets and school id cards. The Class 12 CBSE biology exam timing is 10:30 am to 1:30 pm. Students will get an additional 15 minutes question paper reading time.
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Follow this blog for latest updates on CBSE 2023 exams, sample paper, question paper analysis, student reactions and difficulty level.
The CBSE biology exam paper was very much doable. It covered the entire syllabus. I was able to answer all the questions as I prepared following CBSE sample paper along with NCERT Books simultaneously.
Aditi Saho and Pragnya, Class 12, JAIN International Residential School, Bangalore
A balanced distribution of questions was found in the biology paper, including questions that were easy, average and difficult. The paper had a well-defined focus for a diverse group of students. The questions in sections B, C, and D were moderately challenging, but Part E was mostly direct. Despite following the CBSE 2023 biology sample paper's format, the paper also required technical application to answer the questions. Students who have thoroughly prepared with NCERT books will do well in the exam.
-- Manjulatha S, TGT Science, JAIN International Residential School, Bangalore
Today's class 12 Biology paper level was easy to moderate. The questions were NCERT based with a slight change in language. Starting with section A the MCQ and the assertion reason questions were quite tricky. Sections B and C were easy. Section D was case study-based questions were moderate. The easiest part of the paper was section E.
-- Nidhi Sharma, Faculty- Biology, Silverline Prestige School, Ghaziabad
Class 12 Biology question paper was framed as per the CBSE sample paper 2023 with answers pdf available on the official website - cbseacademic.nic.in.
Saying that the biology 2023 question paper was balanced with a mix of application and memory-based questions, Sonia Saraswat, PGT, Biology, DPS Raj Nagar Extension said: "The difficulty level was same as that of CBSE sample paper. Students found Assertion and reason questions bit tricky, Section B, C and D were of moderate level, while Section E had majorly direct questions. Students who had thoroughly prepared from NCERT will score well."
It was a balanced question paper which was a mix of application and memory-based questions. The difficulty level was same as that of CBSE sample paper. Students found Assertion and reason questions a bit tricky. Section B, C, D were of moderate level and Section E had majorly direct questions. Students who had thoroughly prepared from NCERT , they will score well.
-- Sonia Saraswat,PGT, Biology, DPS Raj nagar extension
Read More here | CBSE Class 12 biology paper ‘balanced’, ‘highly-scoring MCQs’; Students, teachers analyse
The biology Class 12 paper was analysed as balanced by Pratibha Sharma , Academic Director Bhai Parmanand Vidya Mandir Delhi.
March 17, 2023 | Economics |
March 18, 2023 | Painting, graphics, sculpture, applied art |
March 20, 2023 | Political Science |
March 23, 2023 | Informatics Practices, computer science |
March 25, 2023 | Business studies, business administration |
March 29, 2023 | History |
March 31, 2023 | Accountancy |
April 1, 2023 | Home science |
April 3, 2023 | Sociology |
April 5, 2023 | Psychology |
The CBSE board conducted the Class 12 Biology papers.
Topics | Marks |
Reproduction | 16 |
Genetics and Evolution | 20 |
Biology and Human Welfare | 12 |
Biotechnology and its Applications | 12 |
Ecology and Environment | 10 |
Total | 70 |
Internal Assessment | 30 |
Grand Total | 100 |
Class 12 Biology sample paper 2023 with answers pdf is available on the official website- cbseacademic.nic.in
Ms Pooja Hoel, PGT Biology, MRG School said, "The level of biology paper was moderate. MCQs were highly scoring, however few subjective questions were tricky and required critical thinking. The paper was structured as per CBSE guidelines only, but the overall paper required technical thinking and application".
As per Sonia Saraswat,PGT, Biology, DPS Raj nagar extension, the Biology paper was a balanced question paper which was a mix of application and memory-based questions.The difficulty level was same as that of CBSE sample paper. Students found assertion and reason questions bit tricky, Section B ,C ,D were of moderate level and Section E had majorly direct questions. Students who had thoroughly prepared from NCERT , will score well.
CBSE Class 12 biology exam review will be made available here soon. Keep checking the blog for the latest updates.
Sections | Number of Questions | Marks allotted for each question |
A | 16 | 1 |
B | 5 | 2 |
C | 7 | 3 |
D | 2 | 4 |
E | 3 | 5 |
CBSE Class 12 next exam is on March 23 of Informatics Practices and Computer Science.
The CBSE 12 Biology exam review, question paper analysis will be shared soon by the subject experts.
CBSE class 12 Biology exam concluded at 1:30 pm today, March 16. Students will soon get the question paper analysis and answer key shared by the subject experts.
The CBSE Class 12 board exam requires a minimum score of 33 per cent to pass. Moreover, candidates must also need to secure at least 33 per cent aggregate marks. Candidates with aggregate marks of 33 per cent or higher but less than 33 per cent in any subject are required to take the supplementary exam.
CBSE Class 12 biology exam will end at 1:30 pm.
Students will have to score at least 33 per cent marks in theory and practical separately to qualify CBSE class 10 exam 2023.
A total of 16,96,770 students are appearing for the CBSE class 12 board exams 2023.
Class 12 | |||||
Total schools | Total centres | Total no.of female candidates | Total no.of male candidates | other | Total no.of candidates |
16,738 | 6,759 | 7,45,433 | 9,51,332 | 5 | 16,96,770 |
CBSE allows grace marks to the students who are failing in only one subject by a few marks.
Date | Subject |
February 15, 2023 | Entrepreneurship |
February 16, 2023 | Biotechnology, Engineering graphics, Electronics technology, shorthand (English and Hindi), Food nutrition & dietetics, Library & information science |
February 17, 2023 | Kathak, Bharatanatyam, Kuchipudi, Odissi, Maniupuri, kathakali, banking, horticulture |
February 20, 2023 | Hindi elective and core |
February 21, 2023 | Food production, office procedure and practices, design, data science |
February 22, 2023 | Early Childhood Care, Artificial Intelligence |
February 23, 2023 | Hindustani Music Voc, Hindustani Music Mel Ins, automotive, healthcare, cost accounting |
February 24, 2023 | English elective and core |
February 25, 2023 | Beauty & Wellness, Russian, marketing |
February 27, 2023 | Retail, Agriculture, multimedia |
February 28, 2023 | Chemistry |
March 1, 2023 | Bengali, financial markets management, typography, medical diagnostics, textile design |
March 2, 2023 | Geography |
March 3, 2023 | Yoga |
March 4, 2023 | Hindustani music vocal |
March 6, 2023 | Physics |
March 9, 2023 | Legal studies |
March 10, 2023 | Punjabi, Tamil, Telugu, Sindhi, Marathi, Gujarati, Marathi, Manipuri, Malayalam, Odia, Assamese, Kannada, Arabic, Tibetan, french, German, persian, Nepali, Limbo, lepcha, telugu telangana, bodo, tangkhul, japanese, bhutia, spanish, kashmiri, mizo, sanskrit core |
March 11, 2023 | Mathematics, applied mathematics |
March 13, 2023 | Physical education |
March 14, 2023 | Fashion studies |
March 16, 2023 | Biology |
March 17, 2023 | Economics |
March 18, 2023 | Painting, graphics, sculpture, applied art (commercial art) |
March 20, 2023 | Political Science |
March 21, 2023 | NCS, Information technology |
March 22, 2023 | Tourism, Air-conditioning & refrigeration |
March 23, 2023 | Information practices, computer science |
March 25, 2023 | Business studies, Business administration |
March 28, 2023 | Web application |
March 29, 2023 | History |
March 31, 2023 | Accountancy |
April 1, 2023 | Home science |
April 3, 2023 | Sociology |
April 4, 2023 | Urdu Elective, Sanskrit Elective, Carnatic music vocal, Carnatic music mel ins, Carnatic music per ins mridangam, Knowledge tradition & practices of India, Urdu core, Front office operations, insurance, geospatial technology, electrical technology, taxation, mass media studies |
April 5, 2023 | Psychology |
The CBSE 12th Economics 2023 question paper will have two sections:
Section A – Macro Economics
Section B – Indian Economic Development
CBSE official website is cbse.gov.in.
The pass marks in each subject of CBSE examination will be 33%.
CBSE is conducting the CBSE Class 12 Biology paper today. The Biology paper analysis will be made available after the exam gets over.
The CBSE board will provide an opportunity for students to improve their marks in one subject. Students who have passed on the basis of the best of 6 subjects can also appear in the compartment exam for the failed subject.
Students can download CBSE 10th, 12th admit card by following the steps given below:
CBSE Class 12 Biology exam started at 10:30 am.
The CBSE academic website- cbseacademic.nic.in is hosting the CBSE sample papers, previous year question papers, CBSE curriculum and others.
The CBSE Class 12 Biology exam will start at 10:30 am and candidates need to report to the exam hall at 10 am.
CBSE sample papers for class 12 are available for free download on the official website, cbseacademic.nic.in.
CBSE Class 12 board exam for science, arts and commerce stream exam is scheduled to be held from February 15 to April 5, 2023.
For any queries or help related to CBSE board exams 2023, students can contact 1800-11-8002.
CBSE Class 10 blueprint, syllabus, marking scheme, sample paper, previous year question papers are available on the official academic website -- cbseacademic.nic.in.
The CBSE class 12 Biology syllabus, sample paper and question paper are available on the official website, cbseacademic.nic.in.
CBSE is likely to conduct the Class 10, 12 compartment exams in August 2023.
Name of the Exam | CBSE Class 12 or Higher Secondary Examination |
Conducting Body | Central Board of Secondary Examination(CBSE) |
Mode of Exam | Offline |
Maximum marks | 70 |
Total Time | 3 hours |
Date | Subject |
February 15, 2023 | Entrepreneurship |
February 16, 2023 | Biotechnology, Engineering graphics, Electronics technology, shorthand (English and Hindi), Food nutrition & dietetics, Library & information science |
February 17, 2023 | Kathak, Bharatanatyam, Kuchipudi, Odissi, Maniupuri, kathakali, banking, horticulture |
February 20, 2023 | Hindi elective and core |
February 21, 2023 | Food production, office procedure and practices, design, data science |
February 22, 2023 | Early Childhood Care, Artificial Intelligence |
February 23, 2023 | Hindustani Music Voc, Hindustani Music Mel Ins, automotive, healthcare, cost accounting |
February 24, 2023 | English elective and core |
February 25, 2023 | Beauty & Wellness, Russian, marketing |
February 27, 2023 | Retail, Agriculture, multimedia |
February 28, 2023 | Chemistry |
March 1, 2023 | Bengali, financial markets management, typography, medical diagnostics, textile design |
March 2, 2023 | Geography |
March 3, 2023 | Yoga |
March 4, 2023 | Hindustani music vocal |
March 6, 2023 | Physics |
March 9, 2023 | Legal studies |
March 10, 2023 | Punjabi, Tamil, Telugu, Sindhi, Marathi, Gujarati, Marathi, Manipuri, Malayalam, Odia, Assamese, Kannada, Arabic, Tibetan, french, German, persian, Nepali, Limbo, lepcha, telugu telangana, bodo, tangkhul, japanese, bhutia, spanish, kashmiri, mizo, sanskrit core |
March 11, 2023 | Mathematics, applied mathematics |
March 13, 2023 | Physical education |
March 14, 2023 | Fashion studies |
March 16, 2023 | Biology |
March 17, 2023 | Economics |
March 18, 2023 | Painting, graphics, sculpture, applied art (commercial art) |
March 20, 2023 | Political Science |
March 21, 2023 | NCS, Information technology |
March 22, 2023 | Tourism, Air-conditioning & refrigeration |
March 23, 2023 | Information practices, computer science |
March 25, 2023 | Business studies, Business administration |
March 28, 2023 | Web application |
March 29, 2023 | History |
March 31, 2023 | Accountancy |
April 1, 2023 | Home science |
April 3, 2023 | Sociology |
April 4, 2023 | Urdu Elective, Sanskrit Elective, Carnatic music vocal, Carnatic music mel ins, Carnatic music per ins mridangam, Knowledge tradition & practices of India, Urdu core, Front office operations, insurance, geospatial technology, electrical technology, taxation, mass media studies |
April 5, 2023 | Psychology |
Sections | Number of Questions | Marks allotted for each question |
A | 16 | 1 |
B | 5 | 2 |
C | 7 | 3 |
D | 2 | 4 |
E | 3 | 5 |
As per the CBSE guidelines, regular students must wear school uniforms, while private students may wear light clothes.
The CBSE Class 12 Biology exam will be held for a duration of three hours, from 10:30 am to 1:30 pm.
Topics | Marks |
Reproduction | 16 |
Genetics and Evolution | 20 |
Biology and Human Welfare | 12 |
Biotechnology and its Applications | 12 |
Ecology and Environment | 10 |
Total | 70 |
Internal Assessment | 30 |
Grand Total | 100 |
Students taking the CBSE Class 12 biology exams 2023 today will be required to carry CBSE Class 12 hall tickets and school id cards.
The Class 12 CBSE biology exam timing is 10:30 am to 1:30 pm.
Sections | Number of Questions | Marks allotted for each question |
A | 16 | 1 |
B | 5 | 2 |
C | 7 | 3 |
D | 2 | 4 |
E | 3 | 5 |
CBSE Class 12 biology previous year question papers are available on the academic website -- cbseacademic.nic.in.
CBSE Class 12 board exams 2023 will be held from 10:30 AM to 1:30 PM for a duration of three hours. The entry gate will close at 10 AM.
Subject | Maximum marks of Theory | Maximum marks of Practical/Project | Passing marks (for theory and practical/project separately) |
Physics | 70 | 30 | 33 per cent |
Chemistry | 70 | 30 | |
Maths | 80 | 20 | |
Biology | 70 | 30 | |
English Core | 80 | 20 |
The CBSE class 12 biology question paper will be divided into five sections: A, B, C, D and E. The question paper will comprise of 33 questions.
Sections | Number of Questions | Marks allotted for each question |
A | 16 | 1 |
B | 5 | 2 |
C | 7 | 3 |
D | 2 | 4 |
E | 3 | 5 |
CBSE usually declares the results for Class 10th, 12th board examination 2023 in a span of one-two months.
Exam Date | Subject |
March 16, 2023 | Biology |
March 23, 2023 | Informatics Practices, computer science |
As per the CBSE exam 2023 dress code, regular students must wear school uniforms, while private students may wear light clothes.
Students are allowed to carry the following items inside the CBSE examination centre.
Sections | No. of Questions | Marks per Question | Total Marks per Section |
A | 16 | 1 | 16 |
B | 5 | 2 | 10 |
C | 7 | 3 | 21 |
D | 2 case-based questions | 4 | 8 |
E | 3 | 5 | 15 |
Total | 33 | 70 |
Students are required to secure a minimum score of 33 percent in order to pass CBSE Class 12 board exam. Candidates who receive aggregate marks of 33 percent or higher but less than 33 percent in any subject are required to take the supplementary exam.
Evaluation Scheme | Marks |
One Major Experiment 5 | 5 |
One Minor Experiment 2 and 3 | 4 |
Slide Preparation 1 and 4 | 5 |
Spotting | 7 |
Practical Record + Viva Voce | 4 |
Investigatory Project and its Project Record + Viva Voce | 5 |
Total | 30 |
The CBSE Class 10, 12 exams are being held for three hours, from 10:30 am to 1:30 pm. Students will be given 15 minutes extra to read and understand the question paper.
The CBSE board is likely to declare class 12 result in May-June 2023. The CBSE result 2023 class 12 will be published on the official website- cbseresults.nic.in 2023.
Date | Subject |
February 15, 2023 | Entrepreneurship |
February 16, 2023 | Biotechnology, Engineering graphics, Electronics technology, shorthand (English and Hindi), Food nutrition & dietetics, Library & information science |
February 17, 2023 | Kathak, Bharatanatyam, Kuchipudi, Odissi, Maniupuri, kathakali, banking, horticulture |
February 20, 2023 | Hindi elective and core |
February 21, 2023 | Food production, office procedure and practices, design, data science |
February 22, 2023 | Early Childhood Care, Artificial Intelligence |
February 23, 2023 | Hindustani Music Voc, Hindustani Music Mel Ins, automotive, healthcare, cost accounting |
February 24, 2023 | English elective and core |
February 25, 2023 | Beauty & Wellness, Russian, marketing |
February 27, 2023 | Retail, Agriculture, multimedia |
February 28, 2023 | Chemistry |
March 1, 2023 | Bengali, financial markets management, typography, medical diagnostics, textile design |
March 2, 2023 | Geography |
March 3, 2023 | Yoga |
March 4, 2023 | Hindustani music vocal |
March 6, 2023 | Physics |
March 9, 2023 | Legal studies |
March 10, 2023 | Punjabi, Tamil, Telugu, Sindhi, Marathi, Gujarati, Marathi, Manipuri, Malayalam, Odia, Assamese, Kannada, Arabic, Tibetan, french, German, persian, Nepali, Limbo, lepcha, telugu telangana, bodo, tangkhul, japanese, bhutia, spanish, kashmiri, mizo, sanskrit core |
March 11, 2023 | Mathematics, applied mathematics |
March 13, 2023 | Physical education |
March 14, 2023 | Fashion studies |
March 16, 2023 | Biology |
March 17, 2023 | Economics |
March 18, 2023 | Painting, graphics, sculpture, applied art (commercial art) |
March 20, 2023 | Political Science |
March 21, 2023 | NCS, Information technology |
March 22, 2023 | Tourism, Air-conditioning & refrigeration |
March 23, 2023 | Information practices, computer science |
March 25, 2023 | Business studies, Business administration |
March 28, 2023 | Web application |
March 29, 2023 | History |
March 31, 2023 | Accountancy |
April 1, 2023 | Home science |
April 3, 2023 | Sociology |
April 4, 2023 | Urdu Elective, Sanskrit Elective, Carnatic music vocal, Carnatic music mel ins, Carnatic music per ins mridangam, Knowledge tradition & practices of India, Urdu core, Front office operations, insurance, geospatial technology, electrical technology, taxation, mass media studies |
April 5, 2023 | Psychology |
The CBSE 12th biology question paper will be divided into five sections and will be comprised of 33 questions. There is no overall choice. However, internal choices have been provided for some questions. A student has to attempt only one of the alternatives in such questions. Wherever necessary, neat and properly labeled diagrams should be drawn.
Topics | Marks |
Reproduction | 16 |
Genetics and Evolution | 20 |
Biology and Human Welfare | 12 |
Biotechnology and its Applications | 12 |
Ecology and Environment | 10 |
Total | 70 |
Internal Assessment | 30 |
Grand Total | 100 |