CBSE Class 10 Science Question Papers 2026 PDF Download (All Sets)

The Science board examination is a cornerstone of the Class 10 curriculum. It requires a deep understanding of core concepts in Physics, Chemistry, and Biology. To excel in your exams, practicing with the official 2026 question papers is the most effective way to understand the paper pattern, difficulty level, and the specific style of competency-based questions set by the board. This page provides direct links to download the official PDFs of all sets of the CBSE Class 10 Science question papers from the 2026 examinations.

Starting in 2026, CBSE introduced a strictly structured answer-writing format. It is mandatory to organize your answers according to the subject sections (Biology, Chemistry, and Physics) within the answer booklet. Mixing answers across sections can lead to marks being deducted or papers not being evaluated, making it more important than ever to practice with official papers to build the right habits.

Examination Structure and Pattern

The 2026 Science exam totals 100 marks, comprising 80 marks for the theory paper and 20 marks for internal assessment. You have 3 hours to complete the theory exam. The paper is divided into five sections (A to E):

• Section A: 20 Multiple Choice Questions (1 mark each), including assertion-reasoning questions.
• Section B: 5 Very Short Answer questions (2 marks each) testing basic conceptual clarity.
• Section C: 6 Short Answer questions (3 marks each) requiring detailed explanations and logical reasoning.
• Section D: 5 Long Answer questions (5 marks each) focusing on multi-part problems, derivations, and descriptive answers.
• Section E: 3 Case-Based Questions (4 marks each) that test your ability to apply scientific principles to real-world scenarios.

Important Note: The board now enforces a strict rule: answers must be written in the section corresponding to the subject area. Biology, Chemistry, and Physics answers must be placed in their designated sections within your answer booklet. Practice this layout during your mock sessions.

Why Practicing All Sets Matters

CBSE releases multiple sets (Set 1, Set 2, Set 3) to ensure integrity across examination centers. While the syllabus and core difficulty remain consistent, each set presents unique variations in numerical problems and case studies. By downloading and solving all sets, you expose yourself to a wider variety of questions, particularly in Physics numericals and Chemistry reaction balancing, which are common areas where students lose marks.

How to Practice Effectively

To get the most out of these PDF downloads, treat them as real exams:

1. Timed Practice: Set a timer for 180 minutes. Do not exceed this limit.
2. Section Management: Practice writing your answers in the correct, dedicated sections as per the new 2026 guidelines. This is now a critical skill.
3. Use Diagrams: In Biology and Physics, diagrams are non-negotiable. Practice drawing neat, labeled diagrams with a pencil. Labels should be clear and arrows precise.
4. Show Your Work: For Physics numericals, always write the formula first, show your substitutions, and include the correct SI units in your final answer.
5. Review Marking Schemes: Compare your answers with official solutions. Pay attention to keywords that examiners look for, especially in theory-heavy chapters like "Life Processes" or "Chemical Reactions."

Common Mistakes to Avoid

• Mixed Sections: Never write a Physics answer in the Chemistry section.
• Missing Units: Always include units (e.g., Ohms, Newtons, Volts) in Physics numericals.
• Unbalanced Equations: In Chemistry, always provide fully balanced chemical equations.
• Skipping Keywords: Biology answers require specific terminology. Use the technical terms found in your NCERT textbook.