Exam Date: May 18, 2026 | Subject: Science
CBSE 10th 2nd Board Exam Science Answer Key 2026 – PDF Download Table
Download the Aakash CBSE Class 10 Science Answer Key 2026 PDF for all sets directly from the table below. The links for all sets of the CBSE 10th Science 2nd Board Exam Answer Key covering Physics, Chemistry and Biology are provided for the CBSE 10th May 18, 2026 second board exam.
| Exam | Subject / Set | Exam Date | Provided By | Answer Key PDF Link |
|---|---|---|---|---|
| CBSE 10th 2nd Board Exam Science 2026 | Science – Set 1 | May 18, 2026 | Aakash Institute | Download Science Set 1 Answer Key PDF |
| CBSE 10th 2nd Board Exam Science 2026 | Science – Set 2 | May 18, 2026 | Aakash Institute | Download Science Set 2 Answer Key PDF |
| CBSE 10th 2nd Board Exam Science 2026 | Science – Set 3 | May 18, 2026 | Aakash Institute | Download Science Set 3 Answer Key PDF |
| CBSE 10th 2nd Board Exam Science 2026 | Science – All Sets | May 18, 2026 | Careers360 | Download Science All Sets Answer Key PDF |
Note: The CBSE 10th Science 2nd Board Exam Answer Key PDF links will be activated as soon as Aakash and other expert platforms release the official solutions. Bookmark this page and keep checking for updates on the CBSE Class 10 Science answer key May 18, 2026.
CBSE Class 10 Science 2nd Board Exam 2026 – Exam Overview
| Detail | Information |
|---|---|
| Exam Name | CBSE Class 10 Science 2nd Board Exam 2026 |
| Conducting Body | Central Board of Secondary Education (CBSE) |
| Exam Date | May 18, 2026 (Monday) |
| Exam Time | 10:30 AM – 1:30 PM (3 Hours) + 15 minutes for reading question paper |
| Subjects Covered | Physics, Chemistry and Biology |
| Total Marks | 80 Marks (Theory) + 20 Marks (Internal Assessment) = 100 Marks |
| Sections in Paper | Section A (MCQ) | Section B | Section C | Section D | Section E (Case Study) |
| Question Paper Sets | Set 1, Set 2, Set 3 (and Set 4 where applicable) |
| Answer Key By | Aakash Institute (Expert Faculty – Physics, Chemistry & Biology) |
| Answer Key Format | PDF – All Sets (Physics, Chemistry & Biology combined) |
| Official CBSE Website | cbse.gov.in |
| Total Students Registered | ~6.68 lakh students (CBSE 10th 2nd Board Exam 2026) |
How to Download the Aakash CBSE 10th Science Answer Key 2026 PDF
Follow these simple steps to download the CBSE Class 10 Science 2nd Board Exam Answer Key 2026 PDF from Aakash:
- Visit the official Aakash website at aakash.ac.in or click the direct PDF link given in the table above on this page
- Navigate to the CBSE Class 10 2nd Board Exam Answer Key 2026 section
- Select Science from the available subjects
- Choose your correct question paper set — Set 1, Set 2 or Set 3 — as mentioned on your question paper
- Click the Download PDF button to get the CBSE 10th Science Answer Key 2026 PDF
- Cross-check your answers section by section — Section A (MCQs), then Section B, C, D and E — using the Aakash CBSE 10th Science answer key 2026
How to Calculate Your Score Using the CBSE 10th Science Answer Key 2026
- Download the Aakash CBSE Class 10 Science Answer Key 2026 PDF for your correct set from the table above
- Match each answer against the CBSE 10th Science 2nd board exam answer key 2026 — starting with Section A MCQs first
- Award 1 mark for each correct MCQ answer in Section A (20 marks total)
- For subjective questions in Sections B, C, D and E — check step-by-step solutions carefully. Marks may be awarded for correct steps and diagrams even if the final answer slightly differs — this is how CBSE evaluators apply the marking scheme
- For Case Study questions in Section E, check whether your answers align with the source-based context — marks are awarded for conceptual accuracy
- Add up all section marks to get your estimated score out of 80 in the CBSE 10th Science 2nd Board Exam 2026
- Remember: The internal assessment marks of 20 are awarded by your school. Your final result combines both theory and internal marks
Important: CBSE does not officially release answer keys for Class 10 board exams immediately. CBSE publishes only an official marking scheme after the declaration of results at cbse.gov.in. The Aakash CBSE 10th Science Answer Key 2026 is prepared by expert Physics, Chemistry and Biology faculty and is highly reliable for score estimation, but minor variations from the official CBSE marking scheme are always possible. For subjective questions, consider awarding partial marks where your method is correct even if the final answer differs.
CBSE 10th Science 2nd Board Exam 2026 – Subject-Wise Difficulty Analysis
- Coming Soon
Frequently Asked Questions – CBSE 10th 2nd Board Exam Science Answer Key 2026
Q1. When was the CBSE Class 10 Science 2nd Board Exam 2026 held?
The CBSE 10th Science 2nd Board Exam 2026 was held on May 18, 2026 (Monday), from 10:30 AM to 1:30 PM — with 15 additional minutes provided for reading the question paper before the timer begins. It is part of the CBSE Phase 2 board examination schedule running from May 15 to May 21, 2026.
Q2. Where can I download the CBSE 10th Science 2nd Board Exam Answer Key 2026 PDF?
Students can download the CBSE Class 10 Science 2nd Board Exam Answer Key 2026 PDF from the official Aakash website at aakash.ac.in or directly from the download links provided in the PDF download table above on this page. The answer key PDF — covering Physics, Chemistry and Biology solutions for Set 1, Set 2 and Set 3 — will be published as soon as Aakash’s expert faculty complete verification after the exam concludes.
Q3. Is the Aakash CBSE 10th Science Answer Key 2026 accurate?
Yes. The Aakash CBSE Class 10 Science 2nd Board Exam Answer Key 2026 is prepared by senior subject experts in Physics, Chemistry and Biology — faculty with deep expertise in CBSE Class 10 board exam patterns, NCERT textbooks and official marking schemes. The solutions are thoroughly cross-verified before publishing. As noted by Infinity Learn, Vedantu and Careers360 — unofficial expert answer keys are highly reliable for score estimation, though minor variations from CBSE’s official marking scheme may occur for subjective questions.
Q4. What are the sections in the CBSE Class 10 Science 2nd Board Exam 2026?
The CBSE Class 10 Science 2nd Board Exam 2026 paper has five sections — A, B, C, D and E. Section A contains 20 MCQs (including Assertion-Reason) carrying 1 mark each. Section B has Very Short Answer questions (2 marks), Section C has Short Answer questions (3 marks), Section D has Long Answer questions (5 marks) and Section E has Case Study or Source-Based questions (4 marks each). The total theory paper is of 80 marks with an additional 20 marks for internal assessment.
Q5. Is the CBSE 10th 2nd Board Exam mandatory for Class 10 students?
No. The CBSE Class 10 2nd Board Exam 2026 is completely optional. It is designed for students who appeared in the first CBSE Class 10 board exam in February-March 2026 and wish to improve their scores in up to three subjects. Approximately 6.68 lakh students registered for the second board exam 2026. The best of the two exam scores — first board or second board — is considered for the final CBSE Class 10 result 2026.
Stay tuned to this page for the latest updates on the CBSE Class 10 Science 2nd Board Exam Answer Key 2026. The Aakash CBSE 10th Science Answer Key PDF download links will be updated as soon as they go live. Bookmark this page for instant access to the CBSE 10th Science answer key May 18, 2026 Physics, Chemistry and Biology solutions for all sets.
