MBOSE HSSLC Syllabus 2025-26 includes key subjects such as Science, Mathematics, Accountancy, Business Studies, Economics, Entrepreneurship, Computer Science, and Informatics. The Meghalaya Board has released the updated syllabus on its official website. It is based on the newly revised CBSE and NCERT textbooks, which will support students in their board exam preparation. The syllabus is categorised according to different streams—Science, Commerce, Arts, and Vocational Studies—allowing focused preparation for each discipline.
The MBOSE HSSLC Exam Pattern 2025-26 includes a combination of objective and descriptive questions in written exams, along with practical assessments for applicable subjects and internal evaluations. Hence, having a clear understanding of the MBOSE HSSLC 2025-26 syllabus is essential for students to prepare effectively and perform well in the board exams. MBOSE HSSLC Routine 2025-26 will be released on the official website in December 2025 . Read the complete article to get detailed information for MBOSE Class 12th Syllabus 2025-26.
Meghalaya 12th Biology Syllabus 2025-26
Below given is the detailed syllabus:
Unit / Topic | Topics Covered | Approx. Marks |
Reproduction in Organisms | • Modes of reproduction: asexual and sexual reproduction. • Reproduction in unicellular organisms. • Reproduction in flowering plants (structure of flower, pollination, fertilization, development of seed and fruit, germination). • Human reproductive system: male & female anatomy, gametogenesis, menstrual cycle, fertilization, prenatal development. • Reproductive health: methods of contraception, prevention of sexually transmitted diseases, issues of infertility and assisted reproductive technologies. | ~ 14 marks |
Genetics and Evolution | • Heredity and Variation: Mendel’s laws, exceptions, multiple alleles, sex-linked inheritance. • Molecular Basis of Inheritance: structure of DNA & RNA; replication; transcription; translation; gene regulation; mutations. • Evolution: concept of species; theories of evolution; mechanism of evolution (natural selection, genetic drift etc.). | ~ 18 marks |
Biology and Human Welfare | • Human health and disease: types of diseases, pathogens, immunity (innate & adaptive), vaccination, prevention of disease. • Strategies for enhancement in food production: plant breeding, animal husbandry, public health, agricultural biotechnology. • Microbes in human welfare: role in biodegradation, fermentation (food & alcohol), antibiotics, role in sewage treatment, gene technology. | ~ 14 marks |
Biotechnology and Its Applications | • Biotechnology: Principles and Processes – Recombinant DNA technology, restriction enzymes, vectors, cloning. • Biotechnology and its Applications – genetically modified organisms; biotech in medicine (insulin, vaccines); biotech in agriculture; ethical issues. | ~ 10 marks |
Ecology and Environment | • Organisms & Populations: population interactions; population growth; ecology of species. • Ecosystem: structure (producers, consumers, decomposers), energy flow, food chains & webs, ecological succession. • Biodiversity and Conservation: genetic, species, ecological biodiversity; importance; strategies for conservation. • Environmental Issues: pollution (air, water, soil), climate change, ozone depletion; human impacts; sustainable development. | ~ 14 marks |
Practicals / Laboratory Work | • Dissections / identification & study of reproductive parts of flowering plants; human reproductive organs. • Observation of meiosis, Mendelian experiments (traits), experiments on micro-organisms. • Biotechnology labs / demos (if available): gel-electrophoresis, bacterial transformation etc. • Ecology field observations: sampling, estimation of population density, water quality testing etc. • Preparation of specimens, drawing labeled diagrams, microscopic studies. | 30 marks total for practicals section |
MBOSE HSSLC Examination 2025-26: Preparation Tips
Students must go through the MBOSE HSSLC syllabus stream-wise thoroughly to start preparing for the board exams. They must check out the MBOSE HSSLC question papers to learn more about the students’ preparation levels and the type of questions asked in the examination. They can go through the MBOSE HSSLC routine 2025-26 to have adequate time for revision and practice. Check out the following preparation tips for the Meghalaya board HSSLC exam 2025-26.
- Create a study schedule and plan - Once students are familiar with the syllabus, they must create a study plan to ease the preparation and maintain short notes.
- Practice Regularly - Students should regularly practice for the board exam to avoid last-minute revision. It will help them revise thoroughly during the exam time.
- Stay updated with the latest information - Candidates appearing for the Meghalaya Board exam are advised to stay updated with the latest information on the exam schedule.
- Understand the syllabus thoroughly - It is important to understand the syllabus and marking scheme for the MBOSE HSSLC exam, the subjects included in the syllabus and the topics and subtopics.
- Maintain a positive attitude - While preparing for the exam, students should maintain a positive attitude and never give up. No matter what the difficulty level is, they must gear up for the MBOSE 12th exam preparation 2025-26.
- Time management - Students must manage their time according to the exam schedule given by the Meghalaya Board. They must prepare for the exam following the topics and sub-topics and cater the time for preparation as per the difficulty level.
- Practice writing mock tests - Candidates should take and practice mock tests
