- By Swati Kumar
- Fri, 06 Feb 2026 06:48 PM (IST)
- Source:JND
CBSE Class 12 Biology Sample Paper 2025-26: With the CBSE Class 12 Board exams starting from Feb 17, sample papers are essential tools to amp up the preparation. Solving Biology sample papers will help students familiarise themselves with the latest exam pattern and the level of difficulty of questions. Daily practice will reduce exam anxieties and jitters and build confidence for the Board exams.
Since the Biology paper is in March, students have enough time to solve the entire sample paper. This way, they can manage their time for answering the questions. While solving questions, also analyse your mistakes to not repeat them in real time. Focus on revising repetitive questions.
CBSE Class 12 Biology Sample Paper 2025-26: Overview
The CBSE Biology exam duration is 3 hours, worth 70 marks. Questions will be divided into short and long question types. Here are some key aspects regarding the CBSE BiologyClass 12 sample paper.
Particulars | Details |
Total Marks (Theory) | 70 Marks |
Internal Assessment | 30 Marks |
Exam Duration | 3 Hours (+ 15 mins reading time) |
Total Questions | 33 |
Sections | 5 (A, B, C, D, and E) |
Question Type | MCQs, Assertion-Reasoning, Case-Based, and Subjective questions |
CBSE Class 12 Biology: Sectional-Weightage
Knowing which section has the maximum marks helps candidates to manage their preparation accordingly. Topics with maximum marks must be prioritized over others. Check below for insights into the sectional weightage across sections in the Biology paper.
Section | Number of Questions | Marks per Question | Total Marks | Question Type |
Section A | 16 | 1 | 16 | Short answer questions |
Section B | 5 | 2 | 10 | Short answer questions |
Section C | 7 | 3 | 21 | Medium answer questions |
Section D | 2 | 4 | 8 | Case-based questions |
Section E | 3 | 5 | 15 | Long answer questions |
CBSE Class 12 Biology Sample Paper 2025-26: Download PDF
Candidates can download the Class 12th Biology model papers from the link provided below for free. Start your practice with different types of questions to boost your exam preparation.

