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BIHAR BOARD EXAM CLASS 12TH LATEST UPDATE
Finally, wait is over and Bihar School Examination Board [BSEB] has announced class 12 Board exams date. This year class 12th board exam will be started from 01 February 2025 and will last upto 15 February 2025, it will take around 15 days to complete the class 12th board exam. The board will conduct the class 12 exam in two shifts. The first-shift exams are conducted from 9:30 am to 12:45 pm while the second shift exam will be from 2 pm to 5:15 pm. The board is going to start the practical exams on January 10, 2025. The last practical exam will be on January 20, 2025.
NCERT SYLLABUS
| CHAPTER |
| Reproduction in Organisms |
| Sexual Reproduction in Flowering Plants |
| Human Reproduction |
| Reproductive Health |
| Principles of Inheritance and Variation |
| Molecular Basis of Inheritance |
| Evolution |
| Human Health and Disease |
| Strategies for Enhancement in Food Production |
| Microbes in Human Welfare |
| Biotechnology: Principles And Processes |
| Biotechnology and its Applications |
| Organisms and Populations |
| Ecosystem |
| Biodiversity and Conservation |
| Environmental Issues |
Unit I: Reproduction
Chapter 1: Reproduction in Organisms
Reproduction, a characteristic feature of all organisms for continuation of species; modes of reproduction - asexual and sexual reproduction; asexual reproduction-binary fission, Sporulation, budding, gemmule formation, fragmentation; vegetative propagation in plants.
Chapter 2: Sexual Reproduction in Flowering Plants
Flower structure; development of male and female gametophytes; pollination-types, agencies and examples; out breeding devices; pollen-pistil interaction; double fertilization; post fertilization events-development of endosperm and embryo, development of seed and formation
of fruit; special modes -apomixis, parthenocarpy, polyembryony; Significance of seed dispersal and fruit formation.
Chapter 3: Human Reproduction
Male and female reproductive systems; microscopic anatomy of testis and ovary; gametogenesis -spermatogenesis and oogenesis; menstrual cycle; fertilisation, embryo development up to blastocyst formation, implantation; pregnancy and placenta formation (elementary idea);parturition (elementary idea); lactation (elementary idea).
Chapter 4: Reproductive Health
Need for reproductive health and prevention of Sexually Transmitted Diseases (STDs); birth control-need and methods, contraception and medical termination of pregnancy (MTP);
amniocentesis; infertility and assisted reproductive technologies-IVF, ZIFT, GIFT (elementary idea for general awareness).
Unit II: Genetics and Evolution
Chapter 5: Principles of Inheritance and Variation
Heredity and variation: Mendelian inheritance; deviations from Mendelism–incomplete dominance, co-dominance, multiple alleles and inheritance of blood groups, pleiotropy;elementary idea of polygenic inheritance; chromosome theory of inheritance; chromosomes and genes; Sex determination-in human being, birds and honey bee; linkage and crossing over; sex linked inheritance-haemophilia, colour blindness; Mendelian disorders in humans-thalassemia;chromosomal disorders in humans; Down's syndrome, Turner's and Klinefelter's syndromes.
Chapter 6: Molecular Basis of Inheritance
Search for genetic material and DNA as genetic material; Structure of DNA and RNA; DNA packaging; DNA replication; Central Dogma; transcription, genetic code, translation; gene expression and regulation-lac operon;Genome, Human and rice genome projects; DNA fingerprinting.
Chapter 7: Evolution
Origin of life; biological evolution and evidences for biological evolution (paleontology, comparative anatomy, embryology and molecular evidences); Darwin's contribution, modern synthetic theory of evolution; mechanism of evolution-variation (mutation and recombination)and natural selection with examples, types of natural selection; Gene flow and genetic drift;Hardy-Weinberg's principle; adaptive radiation; human evolution.
Unit III: Biology and Human Welfare
Chapter 8: Human Health and Diseases
Pathogens; parasites causing human diseases (malaria, dengue, chikun gunya, filariasis, ascariasis, typhoid, pneumonia, common cold, amoebiasis, ring worm) and their control; Basic concepts of immunology-vaccines; cancer, HIV and AIDS; Adolescence-drug and alcohol abuse.
Chapter 9: Strategies for Enhancement in Food Production
Animal husbandry, Plants breeding, tissue culture, single cell protein.
Chapter 10: Microbes in Human Welfare
Microbes in food processing, industrial production, sewage treatme
...Format
BIHAR BOARD EXAM CLASS 12TH LATEST UPDATE
Finally, wait is over and Bihar School Examination Board [BSEB] has announced class 12 Board exams date. This year class 12th board exam will be started from 01 February 2025 and will last upto 15 February 2025, it will take around 15 days to complete the class 12th board exam. The board will conduct the class 12 exam in two shifts. The first-shift exams are conducted from 9:30 am to 12:45 pm while the second shift exam will be from 2 pm to 5:15 pm. The board is going to start the practical exams on January 10, 2025. The last practical exam will be on January 20, 2025.
Paper Format
Paper Type - Theory + Practical
Paper Marks - Theory (70 Marks) + Practical (30 Marks)
Maximum Total marks - 70 + 30 = 100 Marks
Time duration - 3 hours (Only For Theory Exam) + 3 hours (Only For Practical Exam)
Unit & their Weightage
Paper I: Theory
S.No. | Unit | Total Weightage |
| 1. | Reproduction | 16 Marks |
| 2. | Genetics and Evolution | 20 Marks |
| 3. | Biology and Human Welfare | 12 Marks |
| 4. | Biotechnology and its Applications | 12 Marks |
| 5. | Ecology and Environment | 10 Marks |
| Total | 70 Marks | |
Paper II: Practical
| Evolution Scheme | Marks |
| One Major Experiment 5, 6 | 5 marks |
| One Minor Experiment 2, 3 | 4 marks |
| Slide Preparation 1, 4 | 5 marks |
| Spotting | 7 marks |
| Practical Record + Viva Voce | 4 marks |
Investigatory Project and its Project & Record + Viva Voce | 5 marks |
| Total | 30 marks |
TO KNOW MORE
For Official Website: click here
Eligibility
BIHAR BOARD EXAM CLASS 12TH LATEST UPDATE
Finally, wait is over and Bihar School Examination Board [BSEB] has announced class 12 Board exams date. This year class 12th board exam will be started from 01 February 2025 and will last upto 15 February 2025, it will take around 15 days to complete the class 12th board exam. The board will conduct the class 12 exam in two shifts. The first-shift exams are conducted from 9:30 am to 12:45 pm while the second shift exam will be from 2 pm to 5:15 pm. The board is going to start the practical exams on January 10, 2025. The last practical exam will be on January 20, 2025.
Conditions of eligibility for admission to class XII
1. Candidates who have been studying in a School recognised by or affiliated to this Board or any other recognised Board of Secondary Education in India.
2. Candidates can not take admission directly in class XII.
3. Candidates had completed a regular course of study for class XI and passed class XI examination from a school affilicated to this Board.
4. The candidates percentage for attendance should be 75% so that the Board to make him/her eligible for the Examinations.
5. Candidate can be admitted to a school only on the transfer of the parents(s) or shifting of their families from one place to another, after procuring from the student the marksheet and the Transfer Certificate duly countersigned by the Educational Authorities of the Board Concerned.
6. There is no age limit for candidates taking the Examination.
7. Candidate should have doucments in support of his having passed the qualifying or equivalent qualifying examination.
Schedule
BIHAR BOARD EXAM CLASS 12TH LATEST UPDATE
Finally, wait is over and Bihar School Examination Board [BSEB] has announced class 12 Board exams date. This year class 12th board exam will be started from 01 February 2025 and will last upto 15 February 2025, it will take around 15 days to complete the class 12th board exam. The board will conduct the class 12 exam in two shifts. The first-shift exams are conducted from 9:30 am to 12:45 pm while the second shift exam will be from 2 pm to 5:15 pm. The board is going to start the practical exams on January 10, 2025. The last practical exam will be on January 20, 2025.
TIME TABLE - BIOLOGY
| Date and Day | Code and Subject | Time and Shift |
| 1.02.2025 (Saturday) | 119 – Biology (I.Sc) | Morning Shift (9:30 AM to 12:45 PM) |
| 15.02.2025 (Saturday) | 487- Biology (Voc) | Evening (2:00 PM to 5:15 PM) |
TIME TABLE - ALL SUBJECTS
| SINO. | Day | Date | Shift & Time | Subject |
| 1 | Saturday | 1.02.2025 | Morning Shift (9:30 AM to 12:45 PM) | 119 – Biology (I.Sc) |
| 320 – Philosophy (IA) | ||||
| Evening (2:00 PM to 5:15 PM) | 326 – Economics (I.A) | |||
| 219 - Economics (I.Com) | ||||
| 2 | Tuesday | 4.02.2025 | Morning Shift (9:30 AM to 12:45 PM) | 121 – Mathematics (I.Sc) |
| 327 – Mathematics (I.A) | ||||
| Evening (2:00 PM to 5:15 PM) | 322 – Political Science (I.A) | |||
| 402 – Foundation Course (Voc) | ||||
| 3 | Wednesday | 5.02.2025 | Morning Shift (9:30 AM to 12:45 PM) | 117 – Physics (I.Sc) |
| Evening (2:00 PM to 5:15 PM) | 323 – Geography (I.A) | |||
| 217 – Business Studies (I.com) | ||||
| 4 | Thursday | 6.02.2025 | Morning Shift (9:30 AM to 12:45 PM) | 105/124 – English (I.Sc) |
| 205/223 – English (I.com) | ||||
| Evening (2:00 PM to 5:15 PM) | 306/331 – Hindi (I.A) | |||
| 401 - Hindi (Voc) | ||||
| 5 | Friday | 7.02.2025 | Morning Shift (9:30 AM to 12:45 PM) |
Study Tips
BIHAR BOARD EXAM CLASS 12TH LATEST UPDATE
Finally, wait is over and Bihar School Examination Board [BSEB] has announced class 12 Board exams date. This year class 12th board exam will be started from 01 February 2025 and will last upto 15 February 2025, it will take around 15 days to complete the class 12th board exam. The board will conduct the class 12 exam in two shifts. The first-shift exams are conducted from 9:30 am to 12:45 pm while the second shift exam will be from 2 pm to 5:15 pm. The board is going to start the practical exams on January 10, 2025. The last practical exam will be on January 20, 2025.
To prepare effectively for the Bihar Board Class 12 Biology exam, you’ll need to adopt a systematic approach that focuses on understanding concepts deeply, memorizing key points, and practicing frequently. Here’s a detailed guide to help you perform better in your Biology exam:
1. Understand the Syllabus
Start by thoroughly reviewing the syllabus issued by the Bihar Board. Biology is divided into different sections like Botany, Zoology, and Ecology. Knowing what chapters are included will help you prioritize your study sessions.
2. Focus on Important Chapters
Some chapters carry more weight, so focus on these:
i. Reproduction in Organisms
ii. Human Reproduction
iii. Genetics and Evolution
iv. Human Health and Diseases
v. Biotechnology and Its Applications
vi. Ecology and Environment
vii. Plant Physiology
viii. Animal Physiology
These chapters are frequently asked in exams, and a strong understanding of these will help you score well.
3. NCERT Textbook: Your Best Friend
i. For Biology, NCERT is the most important resource. Read each chapter carefully, understand the concepts, and focus on the diagrams.
ii. Pay attention to the definitions, examples, and the explanations provided in the NCERT book. Almost all questions come from here, especially in Biology.
4. Diagram Practice
i. Biology is a subject that requires precise diagrams. Focus on important diagrams such as the structure of plant cells, human heart, human excretory system, and photosynthesis.
ii. Practice drawing diagrams multiple times, label them correctly, and make sure your diagrams are clear and neat. This adds value to your answers in exams and can fetch extra marks.
5. Make Notes for Quick Revision
i. As you study, make short notes of important concepts, definitions, and key points. These will be useful for last-minute revision before the exam.
ii. Writing down concise summaries will help in better retention and understanding.
6. Revise Regularly
i. Biology involves a lot of memorization. Revise your chapters regularly to keep everything fresh in your mind. Regular revision will ensure that you retain the information until the exam day.
ii. Make a revision schedule, dividing the chapters into daily or weekly targets.
7. Solve Previous Year’s Question Papers
i. Solving previous years’ question papers is an excellent way to prepare. It will help you get familiar with the types of questions asked and their formats.
ii. It will also give you an idea of important topics that frequently appear in exams.
iii. After solving the papers, analyze your mistakes and focus on improving them.
8. Practice MCQs and Objective Questions
i. Practice multiple-choice questions (MCQs) and other objective-type questions regularly, as they are commonly asked in the Biology exam.
ii. Use mock tests and sample papers to practice these types of questions under timed conditions.
9. Master Important Definitions and Terminologies
i. Biology is full of terms that need to be understood and memorized. Make sure you learn the scientific terms and definitions accurately.
ii. Write down important terms from each chapter and revise them frequently.
10. Work on Short Answer and Long Answer Questions
i. Biology exams often feature short answer and long answer questions. Practice writing answers in a structured and concise manner.
ii. For long answer questions, break the answer into points and cover all aspects of the question.
iii. If possible, learn to relate answers to diagrams and examples for better presentation and clarity.
11. Group Study and Discussion
i. Studying in groups can sometimes help clarify difficult topics and boost your learning. If there’s something you don’t understand, discussing it with friends or teachers might help.
ii. Explaining concepts to others will also reinforce your own understanding.
12. Take Regular Breaks and Stay Healthy
i. Don’t overburden yourself with continuous study. Take regular breaks, stay hydrated, and ensure you’re getting adequate sleep.
ii. A balanced routine with healthy meals, exercise, and proper rest will keep your mind sharp for studying.
13. Time Management During Exam
i. In the exam, manage your time well. Start by quickly going through all the questions, attempt the ones you know best first, and allocate time for each question.
ii. If you’re unsure about an answer, move on and come back to it later. Don’t waste too much time on one question.
General info
BIHAR BOARD EXAM CLASS 12TH LATEST UPDATE
Finally, wait is over and Bihar School Examination Board [BSEB] has announced class 12 Board exams date. This year class 12th board exam will be started from 01 February 2025 and will last upto 15 February 2025, it will take around 15 days to complete the class 12th board exam. The board will conduct the class 12 exam in two shifts. The first-shift exams are conducted from 9:30 am to 12:45 pm while the second shift exam will be from 2 pm to 5:15 pm. The board is going to start the practical exams on January 10, 2025. The last practical exam will be on January 20, 2025.
KEY HIGHLIGHTS OF THE BOARD EXAM
| Particulars | Details |
| Exam Name | BiharBoard Class 12th Board Exam |
| Exam Conducted By | Bihar School Examination Board [BSEB] |
| Exam Year | 2025 |
| Exam Starts From | 1 February 2025 |
| Exam Ends | 15 February 2025 |
| Students Appeared Last Year | Around 13 Lakh |
| Official Website | click here |
TIME TABLE
This Year exam will be conducted for the following subject codes & their subjects:
| SINO. | Day | Date | Subject |
| 1 | Saturday | 1.02.2025 | 119 – Biology (I.Sc) |
| 320 – Philosophy (IA) | |||
| 326 – Economics (I.A) | |||
| 219 - Economics (I.Com) | |||
| 2 | Tuesday | 4.02.2025 | 121 – Mathematics (I.Sc) |
| 327 – Mathematics (I.A) | |||
| 322 – Political Science (I.A) | |||
| 402 – Foundation Course (Voc) | |||
| 3 | Wednesday | 5.02.2025 | 117 – Physics (I.Sc) |
| 323 – Geography (I.A) | |||
| 217 – Business Studies (I.com) | |||
| 4 | Thursday | 6.02.2025 | 105/124 – English (I.Sc) |
| 205/223 – English (I.com) | |||
| 306/331 – Hindi (I.A) | |||
| 401 - Hindi (Voc) | |||
| 5 | Friday | 7.02.2025 | 118 – Chemistry (I.Sc) |
| - | |||
| 305/330 – English (I.A) | |||
| 403 – English (Voc) | |||
2025 exam
BIHAR BOARD EXAM CLASS 12TH LATEST UPDATE
Finally, wait is over and Bihar School Examination Board [BSEB] has announced class 12 Board exams date. This year class 12th board exam will be started from 01 February 2025 and will last upto 15 February 2025, it will take around 15 days to complete the class 12th board exam. The board will conduct the class 12 exam in two shifts. The first-shift exams are conducted from 9:30 am to 12:45 pm while the second shift exam will be from 2 pm to 5:15 pm. The board is going to start the practical exams on January 10, 2025. The last practical exam will be on January 20, 2025.
KEY HIGHLIGHTS OF THE BOARD EXAM
| Particulars | Details |
| Exam Name | BiharBoard Class 12th Board Exam |
| Exam Conducted By | Bihar School Examination Board [BSEB] |
| Exam Year | 2025 |
| Exam Starts From | 1 February 2025 |
| Exam Ends | 15 February 2025 |
| Students Appeared Last Year | Around 13 Lakh |
| Official Website | click here |
TIME TABLE
| SINO. | Day | Date | Shift & Time | Subject |
| 1 | Saturday | 1.02.2025 | Morning Shift (9:30 AM to 12:45 PM) | 119 – Biology (I.Sc) |
| 320 – Philosophy (IA) | ||||
| Evening (2:00 PM to 5:15 PM) | 326 – Economics (I.A) | |||
| 219 - Economics (I.Com) | ||||
| 2 | Tuesday | 4.02.2025 | Morning Shift (9:30 AM to 12:45 PM) | 121 – Mathematics (I.Sc) |
| 327 – Mathematics (I.A) | ||||
| Evening (2:00 PM to 5:15 PM) | 322 – Political Science (I.A) | |||
| 402 – Foundation Course (Voc) | ||||
| 3 | Wednesday | 5.02.2025 | Morning Shift (9:30 AM to 12:45 PM) | 117 – Physics (I.Sc) |
| Evening (2:00 PM to 5:15 PM) | 323 – Geography (I.A) | |||
| 217 – Business Studies (I.com) | ||||
| 4 | Thursday | 6.02.2025 | Morning Shift (9:30 AM to 12:45 PM) | 105/124 – English (I.Sc) |
| 205/223 – English (I.com) | ||||
| Evening (2:00 PM to 5:15 PM) | 306/331 – Hindi (I.A) | |||
| 401 - Hindi (Voc) | ||||
| 5 | Friday | 7.02.2025 | Morning Shift (9:30 AM to 12:45 PM) | 118 – Chemistry (I.Sc) |
| - | ||||
| Evening (2:00 PM to 5:15 PM) | 305/330 – English (I.A) | |||
| 403 – English (Voc) | ||||
| 6 | Saturday | 8.02.2025 | Morning Shift (9:30 AM to 12:45 PM) | 106/125 – Hindi (I.Sc) |
| 206/224 – Hindi (I.com) | ||||
Exams News
BSEB 12th Scrutiny Form 2026: Apply Online, Fee, Last Date April 2
Bihar Board has started the BSEB 12th scrutiny 2026 process from March 25. Students can apply online till April 2. Check steps, fee, and rechecking rules here...
| Posted On: 26 Mar, 2026 | |
| Read More |
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Bihar Board 12th Result 2026 Released In Online Mode
BSEB has announced Bihar Board 12th Result 2026 for all streams. Check your Inter result online at interbiharboard.com and bsebexam.com...
| Posted On: 23 Mar, 2026 | |
| Read More |
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Bihar Board Inter Commerce Toppers 2026 – BSEB 12th Commerce Topper List
BSEB has released Bihar Board 12th Commerce toppers 2026. Check topper names, marks, pass percentage, and result details here...
| Posted On: 23 Mar, 2026 | |
| Read More |
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BSEB Class 12 Admit Card 2026 Released For Board Examinations
Bihar Board has released BSEB Class 12 Admit Card 2026 on intermediate.biharboardonline.com. Check exam dates, download process, details mentioned, and important instructions for students...
| Posted On: 16 Jan, 2026 | |
| Read More |
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BSEB Class 10 Admit Card 2026 Released In Online Mode
BSEB Class 10 Admit Card 2026 has been released. Schools can download the matric hall ticket from exam.biharboardonline.org. Check exam dates and download steps here...
| Posted On: 07 Jan, 2026 | |
| Read More |
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BSEB Dummy Admit Card 2026 Released For Class 10 & 12
Bihar Board has released the BSEB Class 10 and 12 Dummy Admit Card 2026. Students can download the dummy admit card till November 27, 2025, and make corrections through school authorities...
| Posted On: 22 Nov, 2025 | |
| Read More |
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BSEB Extend Registration Deadline For Class 10 And 12 Board Exams 2026 Till October 12
Bihar School Examination Board (BSEB) has extended the registration deadline for Class 10 and Class 12 Board Exams 2026 till October 12, 2025. Know revised fee payment dates, application process, and official website details...
| Posted On: 07 Oct, 2025 | |
| Read More |
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Bihar Board Exam 2026 Registration: Class 10 & 12 Online Application
Register for Bihar Board Exam 2026 for Class 10 & 12 online. Check the registration process, fee payment dates, and official links for BSEB 2026 exams...
| Posted On: 29 Aug, 2025 | |
| Read More |
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BSEB Class 12 Result 2025 Released In Online Mode
The Bihar School Examination Board (BSEB) has released the Class 12 results for 2025. Access your intermediate exam scorecard online and check detailed performance statistics...
| Posted On: 25 Mar, 2025 | |
| Read More |
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BSEB Matric 2025 Answer Key Released
According to the official notice, the answer key was prepared by a team of subject experts after evaluating the answers provided by the candidates...
| Posted On: 06 Mar, 2025 | |
| Read More |
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Bihar Board Class 12 Practical 2025 Admit Card Released In Online Mode
Both school authorities and students can access the admit cards, which must be downloaded by January 9, 2025...
| Posted On: 30 Dec, 2024 | |
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BSEB Bihar Board Class 12 Admit Card 2025 Released
The Bihar Board intermediate exams are scheduled to take place from February 1 to February 15, 2025, as per the official timetable...
| Posted On: 17 Jan, 2025 | |
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Bihar Board 12th Exam Time Table 2025 Released In Online Mode
The BSEB has also released the dates for the Inter practical exams, which will take place from January 10 to 20, 2025...
| Posted On: 09 Dec, 2024 | |
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