The Central Board of Secondary Education (CBSE) Class 10 Science exam for 2025 was conducted on February 20, 2025. It included a variety of questions spanning physics, chemistry, and biology, and students eagerly awaited the release of the answer key to gauge their performance. In this guide, we’ll provide a detailed overview of the CBSE Class 10 Science answer key, its significance, how to use it to estimate scores, and important information you need to know about the exam.
What is the CBSE Class 10 Science Answer Key?
The CBSE Class 10 Science answer key provides the correct answers to the multiple-choice questions (MCQs) and other objective-type questions asked in the exam. This document is a valuable resource for students who want to quickly calculate their expected marks.
The answer key is typically released by coaching institutes, subject experts, or unofficial channels soon after the exam ends. In the case of the 2025 exam, the answer key was published by Careers360 and included answers for different sets of the question paper.
CBSE Class 10 Science Answer Key 2025 Details
The Science exam consisted of 20 objective questions, with students required to answer questions from various sections, including Physics, Chemistry, and Biology. The questions were designed to test students’ understanding of key concepts and their ability to apply knowledge in practical scenarios.
The answer key provided by Careers360 includes answers for multiple sets of the question paper. These sets are differentiated by codes like Set 1, Set 2, etc. Each set has a specific series of answers based on the questions provided in that set.
Here’s a glimpse of the CBSE Class 10 Science Answer Key for 2025 (Set 1):
| Question No. | Correct Option |
|---|---|
| 1 | D |
| 2 | A |
| 3 | B |
| 4 | D |
| 5 | B |
| 6 | B |
| 7 | C |
| 8 | A |
| 9 | C |
| 10 | C |
This is only a portion of the answer key. The complete answer key includes answers for all 20 questions in the exam.
Why is the Answer Key Important?
For students who have just completed the exam, the answer key is a critical tool to estimate their performance. Here’s why:
- Immediate Results: Students can compare their answers with the answer key to get a rough estimate of how well they performed in the exam.
- Calculating Marks: Using the answer key, students can calculate their expected score by counting the correct answers. Each correct answer earns one mark. There is no negative marking for incorrect responses, so students don’t have to worry about losing marks for wrong answers.
- Confidence Booster: Reviewing the answer key can help students understand which sections they excelled in and which areas need improvement. This can also boost their confidence as they await the final result.
- Check for Errors: Sometimes, students might feel that a question was unclear or difficult. In such cases, comparing their answers to the answer key allows them to see if their concerns are justified. It also helps them realize if they might have answered a question incorrectly due to a misunderstanding.
How to Use the CBSE Class 10 Science Answer Key?
Once the unofficial answer key is released, students can use it to calculate their marks. Follow these simple steps:
- Match Your Answers: Begin by comparing the answers you wrote during the exam with the answers listed in the answer key.
- Check the Marking Scheme: The CBSE does not have negative marking for the Science exam. For each correct answer, you get +1 mark. Simply count how many answers are correct.
- Calculate Your Score: Add up the number of correct answers to estimate your total score. For instance, if you answered 16 out of 20 questions correctly, you can expect a score of 16 marks.
- Review and Reflect: Once you have calculated your score, reflect on your performance. If you performed well in certain sections, you can focus more on weaker areas for future exams.
Important Dates Related to CBSE Class 10 Science Answer Key 2025
The following are some important dates for CBSE Class 10 Science exam and answer key:
- CBSE Class 10 Exam Date: February 15, 2025 – March 18, 2025
- CBSE Class 10 Science Exam Date: February 20, 2025, 10:30 AM – 1:30 PM
- Unofficial CBSE Class 10 Science Answer Key Release: February 20, 2025 (post-exam)
How to Get the CBSE Class 10 Science Answer Key?
The CBSE does not officially release answer keys for the Class 10 board exams. However, coaching institutes and online platforms, such as Careers360, typically release unofficial answer keys shortly after the exam. Students can download the answer key from these platforms to check their answers.
Steps to access the answer key:
- Visit the official Careers360 website or the page specifically dedicated to CBSE Class 10 Science answer keys.
- Select the appropriate set or code for which you want the answer key.
- Download the PDF of the answer key to compare it with your own answers.
Frequently Asked Questions (FAQs)
Q1: Will the CBSE board release an official answer key?
No, the CBSE board does not release official answer keys for any subject. The answer keys available online are released by coaching institutes and experts.
Q2: How can I calculate my marks using the answer key?
To calculate your marks, compare your answers with the answer key, and count how many correct answers you have. Add up the number of correct answers (1 mark per correct answer) to get your estimated score.
Q3: What are the minimum passing marks for CBSE Class 10?
To pass the CBSE Class 10 exam, students must secure at least 33% overall and in each subject, including both theory and practical exams.
Q4: When will the CBSE Class 10 exam end?
The CBSE Class 10 exam will end on March 18, 2025.
Conclusion
The CBSE Class 10 Science Answer Key for 2025 is an essential tool for students to quickly assess their performance in the exam. By comparing their answers with the official answer key, they can estimate their scores and get an idea of how well they did. It also serves as a helpful guide for identifying areas of improvement. Keep in mind that while the answer key is unofficial, it provides a good estimate of your performance as you await the final results.