CBSE Class 10 Science Answer Key 2026 Out – The CBSE Class 10 Science exam 2026 was successfully conducted on 25 Feb 2026 by the Central Board of Secondary Education (CBSE Board) for the academic session 2025–26. The exam was held in offline mode. The theory paper was of 80 marks, and the remaining 20 marks were given by schools as internal assessment. The exam took place in the morning shift from 10:30 AM to 1:30 PM.
After the exam, many students may feel confused about some questions or unsure about their answers. It is normal to feel nervous while waiting for the results. To help students check their performance, the complete Class 10 Science 2026 answer key is provided here. Students can match their answers with the correct solutions and get an idea of their expected marks.
We have also shared the Class 10 Science 2026 question paper PDF for reference. Students can download the question paper and compare it with the detailed solutions given in the answer key. This will help them understand their mistakes and calculate their probable score easily. Scroll down to download the CBSE Class 10 Science question paper 2026 PDF and check the full answer key.
CBSE Board Class 10 Science 2026 Answer Key
The CBSE Class 10 Board Exams 2026 are being conducted from 17th February 2026 to 11th March 2026. These exams help to check how much students have learned during the whole academic year. The Class 10 Science Board Exam 2026 is an important subject for all students.
The Class 10 Science Exam 2026 was held on 25 February 2026. After the exam, students usually search for the Class 10 Science 2026 Answer Key to check their answers and calculate their expected marks before the final result is announced.
The answer key helps students understand how well they performed in the exam. It also helps them find out their mistakes and improve in weak areas. Below are the important details about the CBSE Class 10 Science Board Exam 2026.
| Particulars |
Details |
| Exam Conducting Body |
Central Board of Secondary Education (CBSE) |
| Academic Session |
2025–2026 |
| Exam Name |
CBSE Class 10 Board Exam 2026 |
| Exam Mode |
Offline (Pen and Paper Mode) |
| Subject |
Science |
| Total Marks |
100 Marks (Theory + Internal Assessment) |
| Theory Exam Marks |
80 Marks |
| Internal Assessment |
20 Marks (Periodic Tests, Assignments, Practical Work, etc.) |
| Exam Duration |
3 Hours |
| Question Paper Pattern |
MCQs, Very Short Answer, Short Answer, Long Answer, Case Study Based Questions |
| Passing Marks |
Minimum 33% in the subject |
| CBSE Class 10 Science Exam 2026 |
25 February 2026 |
| Answer Key Availability |
Available after the exam (Unofficial first, Official if released) |
| Official Website |
@https://cbse.gov.in |
| Reference Books |
NCERT Textbook for Class 10 Science |
Students can use the Class 10 Science 2026 Answer Key to match their answers and calculate their probable score. It is always better to check answers carefully according to the official marking scheme. This will give a clear idea of your expected marks before the final result is declared.
Do Check – Additional Practice Questions CBSE Class 10 2026
CBSE Class 10 Science 2026 Question Paper PDF (All Sets)
The Class 10 Science 2026 board exam question paper PDF will be available after the exam conducted on 25 February 2026 (10:30 AM – 1:30 PM).
Students will be able to download:
| CBSE Class 10 Science 2026 Sets |
Question Paper PDF |
Answer Key PDF |
| CBSE Class 10 Answer Key 2026 Science Set 1 |
Download PDF |
Download Answer Key |
| CBSE Class 10 Answer Key 2026 Science Set 2 |
Download PDF |
Download Answer Key |
| CBSE Class 10 Answer Key 2026 Science Set 3 |
Download PDF |
Download Answer Key |
Students can download all sets to practice and compare different questions.
nCheck Latest Article – CBSE Class 10 Maths Answer Key 2026 | CBSE Class 10 English Answer Key 2026
CBSE Class 10 Science 2026 Answer Key & Paper Structure
CBSE Class 10 Science Question Paper 2026 Structure
The CBSE Class 10 Science Board Exam 2026 is expected to follow the latest pattern given in the official sample paper for the academic year 2025–26. The paper checks students’ understanding of concepts, diagrams, experiments, and application-based questions from Physics, Chemistry, and Biology.
Below is the expected structure of the Class 10 Science 2026 board paper:
| Section |
Question Numbers |
Type of Questions |
Marks per Question |
Total Marks |
Internal Choice |
| A |
1–20 |
Multiple Choice Questions (MCQs) |
1 mark each |
20 |
No |
| B |
21–26 |
Very Short Answer (VSA) |
2 marks each |
12 |
Internal choice in some questions |
| C |
27–33 |
Short Answer (SA) |
3 marks each |
21 |
Internal choice provided |
| D |
34–36 |
Long Answer (LA) |
5 marks each |
15 |
Internal choice provided |
| E |
37–39 |
Case Study-Based Questions |
4 marks each |
12 |
Internal choice provided |
| Total |
39 Questions |
All Questions Compulsory |
Maximum Marks: 80 |
– |
– |
The paper includes questions from all chapters of Physics, Chemistry, and Biology. Most questions are based on NCERT textbooks and examples.
Important Instructions for Students
- Draw neat and properly labeled diagrams wherever required.
- Write chemical equations carefully and balance them correctly.
- Show all steps in numerical questions.
- Read case study questions properly before answering.
- Calculators are not allowed in the exam hall.
- Attempt all questions as they are compulsory.
Class 10 Science 2026 Answer Key
The Class 10 Science 2026 answer key helps students check their performance after the board exam held on 25 February 2026.
With the help of the answer key, students can:
- Match their answers with correct solutions
- Calculate their expected score
- Find out mistakes
- Understand weak areas
- Improve preparation for future exams
Students should check answers carefully and give marks according to the official marking scheme.
CBSE Class 10 Science 2026 Exam Analysis
After the exam on 25 Feb 2026, students and teachers shared their feedback about the paper.
As Per Students:
- The paper was moderate in difficulty.
- Most questions were directly from NCERT.
- Physics numericals were slightly lengthy.
- Chemistry equations were easy and direct.
- Biology case study questions were manageable.
As Per Teachers:
- The paper was well-balanced.
- No questions were out of syllabus.
- Concept-based and application-based questions were included.
- Students who practiced sample papers could score good marks.
Overall, the Class 10 Science 2026 board paper was student-friendly and based on the latest CBSE pattern.
How to Use the Class 10 Science 2026 Answer Key Properly?
Follow these simple steps:
- Download the official or expert-made answer key PDF.
- Match your answers section-wise.
- Give yourself marks as per the marking scheme.
- Add all marks carefully.
- Compare your expected score with previous year result trends.
This will help you understand your performance clearly.
Conclusion
The Class 10 Science 2026 answer key is very useful for students who want to check their performance before the official results are announced. Do not worry if you made small mistakes. Board exams are only one step in your learning journey. Focus on understanding concepts and keep improving every day.
Class 10 Science Answer Key FAQs
Q1. When was the CBSE Class 10 Science Board Exam 2026 conducted?
The CBSE Class 10 Science Board Exam 2026 was conducted on 25 February 2026 from 10:30 AM to 1:30 PM.
Q2. Where can I download the Class 10 Science 2026 answer key?
Students can download the answer key from educational websites after the exam. It will be available for all question paper sets.
Q3. How can I calculate my marks using the answer key?
Match your answers with the correct solutions and give yourself marks according to the marking scheme mentioned in the question paper.
Q4. Was the Class 10 Science 2026 paper difficult?
As per student feedback, the paper was moderate in difficulty and mostly based on NCERT textbooks.
Q5. Are all questions compulsory in the CBSE Class 10 Science exam?
Yes, all questions are compulsory. However, internal choices are provided in some questions.
