The CBSE Class 10 Pre-Board Exam 2026 plays a crucial role in helping students prepare confidently for the final board examinations. Among all subjects, Science is often considered the most scoring as well as challenging due to its conceptual nature. To help students revise effectively, Multiple Choice Questions (MCQs) are extremely important, as they test conceptual clarity, application skills, and quick thinking.
This article provides an overview of the CBSE Class 10 Science Top 50 MCQs for Pre-Board Exam 2026, covering all major units as per the latest CBSE syllabus and exam pattern. Students can use these MCQs as a reliable revision tool and also download the important questions with answers in PDF format for offline practice.
Table of Contents
Why MCQs Are Important for CBSE Class 10 Science?
MCQs have become a key component of CBSE examinations in recent years. They help students:
Strengthen conceptual understanding
Improve accuracy and speed
Practice application-based questions
Reduce exam stress through familiarity
In the pre-board exam, MCQs often cover Physics, Chemistry, and Biology equally, making them essential for balanced preparation.
Syllabus Coverage for Science MCQs (2026)
The Top 50 MCQs are carefully selected from the following major units:
Physics
Light – Reflection and Refraction
The Human Eye and the Colourful World
Electricity
Magnetic Effects of Electric Current
Sources of Energy
Chemistry
Chemical Reactions and Equations
Acids, Bases and Salts
Metals and Non-Metals
Carbon and its Compounds
Sources of Energy
Biology
Life Processes
Control and Coordination
How do Organisms Reproduce
Heredity and Evolution
Environment and Natural Resources
These chapters are high-weightage topics and are frequently asked in board and pre-board exams.
Sample MCQs for CBSE Class 10 Science
Here are a few examples from the Top 50 MCQs set:
Q1. The image formed by a concave mirror when the object is placed beyond the centre of curvature is:
(a) Virtual and erect
(b) Real and inverted
(c) Virtual and inverted
(d) Real and erect
Answer: (b)
Q2. Which metal is stored in kerosene?
(a) Iron
(b) Sodium
(c) Copper
(d) Zinc
Answer: (b)
Q3. The functional unit of kidney is:
(a) Neuron
(b) Nephron
(c) Alveoli
(d) Villi
Answer: (b)
These MCQs are exam-oriented, clear, and strictly aligned with CBSE standards.
How to Use These MCQs for Pre-Board Preparation
To get the best results, students should:
Practice MCQs daily after revising a chapter
Analyze incorrect answers to understand weak areas
Set a time limit while solving to improve speed
Revise explanations along with answers
Teachers also recommend solving MCQs in a mock-test format to simulate real exam conditions.
Download CBSE Class 10 Science Top 50 MCQs PDF
For the convenience of students, the Top 50 Important MCQs with Answers can be downloaded in PDF format, making it easy to:
Study offline
Revise anytime, anywhere
Print for classroom or home practice
The PDF includes:
✔ Chapter-wise MCQs
✔ Correct answers
✔ Simple explanations
✔ Board-focused questions
Benefits of Practicing MCQs Before Pre-Boards
Practicing MCQs regularly helps students:
Build confidence before exams
Improve concept retention
Identify frequently asked topics
Score higher in both pre-board and board exams
MCQs are especially useful for last-minute revision when students need to revise multiple chapters quickly.
Tips to Score High in CBSE Class 10 Science
Focus on NCERT textbook and diagrams
Revise formulas, reactions, and definitions daily
Practice MCQs along with case-based questions
Solve previous years’ question papers
Conclusion
The CBSE Class 10 Science Top 50 MCQs for Pre-Board Exam 2026 are an excellent resource for students aiming for high scores. These MCQs cover all important chapters, follow the latest syllabus, and help strengthen conceptual clarity. By practicing them regularly and downloading the MCQs with answers PDF, students can significantly improve their exam readiness.
Consistent practice, smart revision, and confidence are the keys to success in Science. Best wishes for your Pre-Board and Board Exams 2026! 📘✨
