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CBSE Class 10 Science Answer Key 2026 & Question Paper PDF | Latest Updates

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CBSE 2026 Science Paper Pattern, Difficulty & Answer Key

The CBSE Class 10 Science Answer Key 2026 is now available! The Central Board of Secondary Education (CBSE) successfully conducted the Class 10 Science exam on February 25, 2026, providing students an opportunity to assess their performance before the final results are declared. Here’s everything you need to know about the exam, including detailed solutions, question paper PDFs, and a comprehensive exam analysis.


Download CBSE Class 10 Science Question Paper 2026 (All Sets)

Here you can find the sets of CBSE Class 10 Science question papers for the year 2026. These papers will help you practice and prepare effectively for the exam.


Note: Answer Key will be update Soon

CBSE Class 10 Science 2026 Exam Overview

The CBSE Class 10 Science Exam 2026 took place in offline mode from 10:30 AM to 1:30 PM on 25th February 2026. With a total of 80 marks allocated for theory and 20 marks for internal assessments, the exam follows a well-balanced structure designed to test students' understanding of core concepts in Physics, Chemistry, and Biology.


Why You Should Check the CBSE Class 10 Science Answer Key 2026?

After the exam, many students are eager to evaluate their performance. The Class 10 Science Answer Key 2026 will help you:

  • Cross-check your answers: Compare your responses with the official answer key.

  • Calculate your probable score: Estimate your total marks using the correct solutions.

  • Identify areas for improvement: Pinpoint weak spots in your knowledge and work on them before results are announced.

Important Note: The answer key will be available in two forms — Unofficial and Official. Be sure to refer to the official answer key for accurate solutions.


CBSE Class 10 Science 2026 Answer Key – Quick Facts

Here’s everything you need to know about the CBSE Class 10 Science Exam 2026:

Particulars

Details

Exam Conducting Body

Central Board of Secondary Education (CBSE)

Academic Session

2025–2026

Exam Mode

Offline (Pen and Paper Mode)

Subject

Science (Physics, Chemistry, Biology)

Total Marks

100 (Theory + Internal Assessment)

Theory Marks

80

Internal Assessment

20 (Includes Periodic Tests, Assignments, Practical Work)

Exam Duration

3 Hours

Passing Marks

33% minimum in the subject

Exam Date

25 February 2026

Answer Key Availability

Available after the exam (Unofficial first, Official later)

Official Website

cbse.gov.in


The answer key is an essential tool for students to gauge their performance and get clarity on the results they can expect. For best results, refer to the answer key in conjunction with the official marking scheme.


Expected Structure of the CBSE Class 10 Science 2026 Question Paper

The Class 10 Science question paper is designed to assess a student’s understanding of concepts from Physics, Chemistry, and Biology, with a mix of different question types. Here’s a detailed breakdown of the expected structure:

Section

Type of Questions

Marks per Question

Total Marks

Internal Choice

A

Multiple Choice Questions (MCQs)

1 mark each

20

No

B

Very Short Answer (VSA)

2 marks each

12

Internal choice in some

C

Short Answer (SA)

3 marks each

21

Internal choice provided

D

Long Answer (LA)

5 marks each

15

Internal choice provided

E

Case Study-Based Questions

4 marks each

12

Internal choice provided


Total Questions: 39 (All Questions Compulsory)
Maximum Marks: 80


CBSE Class 10 Science 2026 Exam Analysis

Students' Feedback:

  • Difficulty Level: Moderate

  • Topics Covered: Predominantly from the NCERT textbook.

  • Physics: Numerical questions were a bit lengthy.

  • Chemistry: The equations were simple and direct.

  • Biology: Case study questions were easy to manage.

Teachers' Feedback:

  • Well-balanced paper with no out-of-syllabus questions.

  • Concept-based and application-based questions were prominent.

  • Students who practiced sample papers were better prepared.


How to Use the CBSE Class 10 Science Answer Key Effectively?

Follow these steps to maximize the usefulness of the answer key:

  1. Download the official or expert-made answer key in PDF format.

  2. Match your answers against the answer key, section by section.

  3. Assign marks according to the official marking scheme.

  4. Total your marks and assess your probable score.

  5. Compare with last year’s results to get an idea of your expected performance.

By following this process, you will have a clearer understanding of your strengths and areas where further improvement is needed.


Final Thoughts

The CBSE Class 10 Science 2026 Answer Key is a valuable resource to check your exam performance and estimate your marks. While it’s completely normal to feel anxious about your results, remember that small mistakes are a part of learning. Focus on understanding your concepts deeply, and keep preparing for your next steps!

FAQs on CBSE Class 10 Science Answer Key 2026 & Question Paper PDF | Latest Updates

1. When was the CBSE Class 10 Science Exam 2026 conducted?

The CBSE Class 10 Science Exam for 2026 was held on 25th February 2026 from 10:30 AM to 1:30 PM in offline mode.

2. Where can I download the Class 10 Science Answer Key for 2026?

The Class 10 Science Answer Key 2026 can be downloaded from Vedantu, including ours, after the exam. We will provide links to download answer keys for all sets of the question paper.

3. How can I calculate my expected marks using the CBSE Class 10 Science Answer Key?

To calculate your expected marks, download the official answer key and compare your responses with the correct answers. Assign marks based on the official marking scheme and tally your total to estimate your score.

4. How difficult was the CBSE Class 10 Science Exam 2026?

According to student feedback, the CBSE Class 10 Science Exam 2026 was of moderate difficulty. Most questions were directly from the NCERT textbooks, though some Physics numericals were a bit lengthy, and Biology case study questions were manageable.

5. Are all questions compulsory in the CBSE Class 10 Science Exam?

Yes, all questions in the CBSE Class 10 Science Exam 2026 are compulsory. However, there are internal choices available within some sections, allowing you to choose between certain questions.

6. What should I do if I find a mistake in the CBSE Class 10 Science Answer Key?

If you believe there’s an error in the answer key, it's recommended to wait for the official CBSE clarification or reach out to your school or exam center. The unofficial answer keys may occasionally have errors, so it's always best to refer to the official release once it is available.

7. Can I use the answer key to improve my preparation for future exams?

Yes! The answer key not only helps you calculate your expected score but also allows you to identify areas where you need improvement. Review the questions you got wrong and refer to the NCERT textbook or other study materials to strengthen those concepts.

8. Is the internal assessment included in the Class 10 Science Answer Key?

No, the internal assessment (20 marks) is not part of the answer key, as it is evaluated by your school based on periodic tests, assignments, and practical work. The answer key only applies to the 80 marks theory portion of the exam.

9. When will the official CBSE Class 10 Science Answer Key be released?

The official CBSE Class 10 Science Answer Key is generally released a few weeks after the exam. For the 2026 exam, keep checking the official CBSE website for updates.

10. How can I download the CBSE Class 10 Science Question Paper for 2026?

You can download the CBSE Class 10 Science Question Paper for 2026 from Vedantu or refer to the official website, after the exam is conducted. The question paper will be available for all sets, and you can compare it with the answer key to check your responses.