TBSE 12th Biology Exam Pattern 2026 - Check Marking Scheme
Table of Contents
The weightage of the various syllabus topics, the categories of questions that will be asked in the board exam, the marks allocated to each exam question and section, the standards used for assessing each section, and the criteria for the exam's negative marking have all been laid out in the TBSE 12th Biology exam pattern 2025–2026. You may identify which chapter or unit needs the most attention and what types of questions will be asked on the TBSE Class 12 exam 2026 via the exam pattern posted on this page.
Before the 2026 board exams, it is necessary that you understand the TBSE 12th exam pattern 2026. You can enhance your concentration and study skills for the board exam by understanding the pattern of the TBSE 12th Biology exam for 2025–2026. The TBSE 12th Biology exam comprises both descriptive and objective questions. Also, giving an incorrect answer to a question doesn't result in a negative marking.
The Tripura board's official website, tbse.tripura.gov.in, displays the TBSE 12th Biology exam pattern. For students like you appearing for the 12th board exam in 2025–2026, the TBSE 12th Biology exam pattern is as follows.
Also read: TBSE 12th Syllabus 2026
TBSE 12th Biology exam pattern 2026 - Section Wise
The TBSE 12th Biology exam involves two parts: a 30-mark practical and a 70-mark theory paper. The TBSE 12th Biology exam paper contains 6 sections. 10 Multiple Choice questions (MCQs) make up Section A. These questions have a total of 10 marks, with each question worth one mark. 10 very short answer questions make up Section B. Out of a possible score of 10, each of these questions is worth one mark.You are granted a total of 16 marks if you are able to correctly answer the 8 short answer questions from Section C; each question is worth two marks.
4 short answer questions make up Section D. These questions have a total of 12 marks, with each question worth three marks. 3 long answer questions make up Section E. Out of a possible score of 12, each of these questions is worth four marks.You are granted a total of 10 marks if you are able to correctly answer the 2 long answer questions from Section F; each question is worth five marks. The exam takes three hours and fifteen minutes to be completed. The table below demonstrates the TBSE 12th Biology Exam Pattern 2026:
| Sections | Number of questions | Marks Allotted |
|---|---|---|
| A | 10 | 1 mark for each question |
| B | 10 | 1 mark for each question |
| C | 8 | 2 marks for each question |
| D | 4 | 3 marks for each question |
| E | 3 | 4 marks for each question |
| F | 2 | 5 marks for each question |
Also read: TBSE 12th Admit Card 2026
TBSE 12th Biology Marking Scheme 2026
Going through the marking scheme for the various Biology syllabus chapters can help you understand how you should prepare for each one of the chapters. The TBSE 12th Biology Marking Scheme 2026 is given in the following table:
| Sections | Type of Questions | Number of Questions | Marks Allotted |
|---|---|---|---|
| Sexual Reproduction in Flowering plants | Objective type, very short and long answer questions | 3 | 6 |
| Human Reproduction | Very short and long answer questions | 2 | 6 |
| Reproductive Health | Objective and short answer questions | 2 | 4 |
| Principles of Inheritance & variation | Objective type, very short and short answer questions | 3 | 5 |
| Molecular Basis of Inheritance | Objective type, short and long answer questions | 3 | 9 |
| Evolution | Objective type, very short and short answer questions | 4 | 6 |
| Human Health and Diseases | Very short, short answer and long answer questions | 3 | 7 |
| Microbes in Human Welfare | Objective type, very short and short answer questions | 4 | 5 |
| Biotechnology: Principle and Processes | Objective type, short and long answer questions | 3 | 7 |
| Biotechnology and its Application | Objective type, very short and short answer questions | 4 | 5 |
| Organisms and Population | Very short and short answer questions | 2 | 4 |
| Ecosystem | Very short answer questions | 1 | 2 |
| Biodiversity & Conservation | Objective type, very short and short answer questions | 3 | 4 |
| Total | 37 | 70 |
Also read: TBSE 12th sample papers
TBSE 12th Biology Unit Wise Marking Scheme 2026
Every unit in the TBSE 12th Biology syllabus has a particular weight. For acquiring outstanding results in board exams, it is necessary to go through the TBSE 12th Biology syllabus's unit-wise marking scheme.The TBSE 12th Biology unit-wise marking scheme for 2026 is shown in the following table:
| Units | Weightage % | Marks Allotted |
|---|---|---|
| Reproduction | 23% | 16 |
| Genetics and Evolution | 29% | 20 |
| Biology and Human Welfare | 17% | 12 |
| Biotechnology and its Applications | 17% | 12 |
| Ecology and Environment | 14% | 10 |
How to use TBSE 12th Biology exam pattern 2026?
You need to be familiar with the TBSE 12th Biology exam pattern 2026 if you want to organize your study and get ready for the board exams. The following tips can help you get ready for the TBSE 12th Biology exam in 2026:
- Make sure that your answers are appropriate to the questions covered in each chapter by thoroughly going through the questions.
- To get high marks, more time should be devoted to higher weighted units.
- Attempt to finish your answers in the allocated three exam hours.
- To properly understand the exam pattern, work on the previous year's question paper and sample papers.
- To effectively study the material, plan a timetable based on the exam pattern.
You may find all the information you need about the TBSE 12th Biology Exam Pattern for 2025–2026 by frequently visiting this page before the 12th board exams.
FAQs on TBSE 12th TBSE 12th Biology Exam Pattern
Q: What are the maximum marks for the TBSE 12th Biology theory exam?
Q: What is the maximum time allotted to the TBSE 12th Biology exam?
Q: How many sections are there in the TBSE 12th Biology question paper?
Q: Which unit in TBSE 12th Biology has the maximum marks?
Q: How many questions are there in the TBSE 12th Biology question paper?
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