The CBSE Class 12 Science Exam 2027 follows a new pattern where 50% of the questions are Competency-Based (MCQs, Case-studies, and Assertion-Reasoning). To score 95+, students must shift from rote learning to chapter-wise MCQ practice. Aspirations Institute offers an expert-curated online MCQ portal for Physics, Chemistry, Biology, Maths, and English based on the latest 2026-27 syllabus.
The Big Shift in CBSE Class 12 Science (2026-27 Session)
If you are a student appearing for the Class 12 Board Exams in 2027, you need to know that the game has changed. The days of just memorizing long answers are gone. According to the latest CBSE notification, the focus has shifted entirely to "Competency-Based Education."
What does this mean for you? It means 50% of your paper will now test how well you understand the concepts through Multiple Choice Questions (MCQs), Case-Based Questions, and Source-Based integrated questions.
CBSE Class 12 Science Marking Scheme 2026-27
Before you dive into your books, look at how your marks are divided. This table helps you understand where to put more effort:
|
Subject |
Theory Marks |
Practical/Internal |
Total Marks |
Question Pattern (2027) |
|
Physics |
70 |
30 |
100 |
50% MCQs & CBQs |
|
Chemistry |
70 |
30 |
100 |
50% MCQs & CBQs |
|
Biology |
70 |
30 |
100 |
50% MCQs & CBQs |
|
Mathematics |
80 |
20 |
100 |
50% MCQs & CBQs |
|
English |
80 |
20 |
100 |
Objective + Literature |
Don’t wait for the last month! Start practicing the new pattern today. Take a Free 10-Question Sample Test Now
Subject-Wise Chapter-wise MCQs for Class 12 Science 2027
To help you rank high, we have divided the practice into specific sections. Here is what you need to focus on for each subject:
1. Class 12 Physics MCQ Online Test
Physics in 2027 will not just be about derivations. CBSE is now asking more Conceptual & Numerical MCQs.
● Key Focus: Electrostatics, Ray Optics, and Semiconductors.
● Practice Type: Assertion-Reasoning and Formula-based MCQs.
2. Class 12 Chemistry MCQ with Explanations
Chemistry requires a mix of memory and logic. Our portal covers:
● Organic Chemistry: Name reactions and mechanisms in MCQ format.
● Physical Chemistry: Numerical MCQs from Solutions and Electrochemistry.
● Inorganic: NCERT line-by-line questions for d & f block elements.
3. Class 12 Biology MCQ (NCERT Based)
For Biology students, MCQs are a blessing if you know your NCERT. These are also helpful for NEET 2027 preparation.
● Key Focus: Genetics, Biotechnology, and Ecology.
● Practice Type: Diagram-based and Statement-based questions.
4. Class 12 Maths Case-Study MCQs
Maths is no longer just about long calculations. The latest CBSE exam pattern for Class 12 Science 2027 includes heavy weightage for Calculus and 3D Geometry through Case-study MCQs.
Confused about a wrong answer? Our portal gives you step-by-step explanations for every question.
Check Physics & Maths MCQs Here
Why Students Choose the Aspirations Institute MCQ Test Portal?
With so many websites like Vedantu, BYJU’s, or SelfStudys, why should you use the Aspirations Institute Test Portal?
1. Strictly 2027 Pattern: We don't use old questions. Every MCQ is updated for the 2026-27 academic session.
2. No App Download Required: You can practice directly on your mobile or laptop browser. No extra space taken, no hidden notifications.
3. Distraction-Free Interface: We know how annoying ads are. Our portal is built for "Serious Study."
4. Expert Brains: Backed by 21+ years of teaching experience, our questions are curated by teachers who know exactly what CBSE asks.
5. Detailed Explanations: We don't just tell you "Option B is correct." We tell you why it is correct so you don't repeat the mistake.
Join 10,000+ students who are already using our portal for daily practice.
Start Your Chapter-wise Practice Now
How to Score 95+ Using Online MCQ Practice?
Simply clicking on options won't help. Follow this 2027 Board Strategy:
● Step 1: Read the NCERT chapter thoroughly.
● Step 2: Attempt the Chapter-wise MCQ test on Aspirations Portal.
● Step 3: Review the "Explanations" for every question you got wrong.
● Step 4: Re-attempt the test after 2 days to check your retention.
● Step 5: Practice Previous Year MCQ questions (PYQs) provided in our mock series.
Make MCQ practice a daily habit. Even 15 minutes a day can change your result.
Browse All Class 12 Science Subjects
Frequently Asked Questions (FAQs)
How many MCQs will be there in Class 12 Science 2027 Board Exams?
As per the new 50% competency rule, roughly half of your paper marks will come from MCQs, Case-studies, and Objective questions.
Are these MCQs free on Aspirations Institute?
Yes! We offer a free 10-question sample test for every single chapter so you can check the quality before going for full access.
Is the Class 12 Science syllabus for 2026-27 changed?
The syllabus is mostly based on the updated NCERT. You should always check the official CBSE website or our "Syllabus Section" for the latest PDF.
Can I prepare for CUET and NEET using these MCQs?
Absolutely. Since our questions are NCERT-based and follow a difficulty level similar to entrance exams, they serve as a great foundation for CUET and NEET 2027.
Do I need to log in every time?
You can take sample tests without any login. For tracking your progress and scores, a simple registration is recommended.
What is a "Competency-Based Question" in 2027 Boards?
These are questions that test your "application of knowledge" rather than memory. This includes Case-studies and Assertion-Reasoning questions.
Final Words for 2027 Aspirants
The 2027 Class 12 Science Exam is not difficult; it is just different. If you start practicing MCQs from the first day of your session, you will find the final board paper very easy. Our Aspirations Institute MCQ Portal is built to be your best friend in this journey.
Related Posts:
Class 12 Science Mock Test 2027 – Chapter-Wise Online Practice for CBSE Board Exams
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