CBSE Class 10 Science Answer Key 2026, Complete Solutions & Paper Analysis

The CBSE Class 10th Science Exam 2026 was successfully conducted by the Central Board of Secondary Education on 25th February 2026. The exam started at 10:30 am and concluded at 1:30 pm. After the exam students looked a bit relaxed as the Class 10th Science paper was easier and most questions were direct from NCERT textbook. The CBSE Class 10th Science exam included questions from Physics, Chemistry and Biology including numerical and diagrams. Our team of subject experts have created an unofficial CBSE Class 10th Science Answer Key which is shared in this article below.

CBSE 10th Science Answer Key Overview

Students can refer to the key highlights related to the CBSE Class 10th Science Answer Key 2026 below. The table provides essential details such as exam date, conducting body, and mode of availability.

CBSE Class 10th Science Answer Key 2026 Out

The CBSE Class 10 Science exam has Standard and Basic levels for different students. After the exam, students look for the answer key to check their answers. The unofficial answer key, made by expert teachers, shows the correct solutions. It helps students estimate scores, find mistakes, and improve before the official results are released. Students can also use it to practice and prepare better for future exams.

CBSE Class 10th Science Answer Key PDF Download

CBSE Class 10 Science Question Paper 2026

The Science exam paper 2026 had a total of 40 questions divided into five sections (A–E). Questions included MCQs, short-answer, and long-answer types, with internal choices provided in some questions. The total marks for the paper were 80.Check the CBSE Class 10th Science Question Paper Structure

Section A:

• Q1–20: Multiple Choice Questions (MCQs) – 1 mark each → Total: 20 marks
• No internal choice

Section B:

• Q21–25: Very Short Answer (VSA) Questions – 2 marks each → Total: 10 marks
• Some questions had internal choices

Section C:

• Q26–32: Short Answer (SA) Questions – 3 marks each → Total: 21 marks
• 2 questions included internal choices

Section D:

• Q33–37: Long Answer (LA) Questions – 5 marks each → Total: 25 marks
• 2 questions with internal choice

Section E:

• Q38–40: Case Study-Based Questions – 4 marks each → Total: 12 marks
• Internal choices provided in all

CBSE Class 10 Science Paper Analysis 2026

The CBSE Class 10 Science Paper 2026 was considered easier and more balanced compared to this year’s Mathematics exam, which was described as lengthy and more demanding. The paper maintained a pattern similar to last year, closely aligned with NCERT, focusing on conceptual clarity rather than unfamiliar formats. The overall difficulty level ranged from easy to moderate, with a balanced mix of conceptual, competency-based, and application-oriented questions. Biology and Chemistry sections were straightforward and scoring, while Physics required careful attention, especially in numericals, formula application, and ray diagram-based questions.