BOSEM Class 10 Science Online Tests with Detailed Explanations

Chapter-wise MCQ practice designed to strengthen concepts, improve accuracy, and help students prepare confidently for board examinations with clear explanations for every question.

Chapter-wise Practice Every Question Explained Free Online Tests

Class 10 BOSEM Science Question Bank

Chapter-wise important questions with answers to help you prepare effectively for the BOSEM Class 10 Science examination.

Chemistry

1. Nature of Matter

Concept-based questions with explanations.

View Question Bank →

2. Pure Substances & Mixtures

Classification and separation techniques.

View Question Bank →

3. Atoms and Molecules

Laws, mole concept, and numericals.

View Question Bank →

4. Symbols, Formulae & Equations

Chemical equations and calculations.

View Question Bank →

5. Structure of the Atom

Atomic models and electronic configuration.

View Question Bank →
Physics

6. Motion

Kinematics and graphical analysis.

View Question Bank →

7. Force and Laws of Motion

Newton’s laws and momentum.

View Question Bank →

8. Gravitation

Gravity, mass, and weight.

View Question Bank →

9. Work, Energy and Power

Work–energy relationships.

View Question Bank →

10. Floatation

Buoyancy and pressure concepts.

View Question Bank →

11. Sound

Sound waves and applications.

View Question Bank →
Biology

12. Fundamental Unit of Life – Cell

Cell structure and functions.

View Question Bank →

13. Tissues

Plant and animal tissues.

View Question Bank →

14. Biological Diversity

Classification and nomenclature.

View Question Bank →

15. Human Diseases

Health, diseases, and prevention.

View Question Bank →

16. Transportation in Living Organisms

Diffusion and circulation.

View Question Bank →

17. Food – Higher Yield

Agriculture and animal husbandry.

View Question Bank →

18. Environment & Resources

Natural resources and cycles.

View Question Bank →

Chapter-wise Class 10 Science Online Tests

Practice chapter-wise online tests designed to strengthen conceptual understanding across Chemistry, Physics, and Biology with detailed explanations for every question.

Chemistry

1. Nature of MatterConcept-based MCQs with explanations
2. Pure Substances & MixturesClassification and separation concepts
3. Atoms and MoleculesLaws, mole concept, numericals
4. Symbols, Formulae & EquationsChemical equations and calculations
5. Structure of the AtomAtomic models and electronic configuration

Physics

6. MotionKinematics and graphical analysis
7. Force and Laws of MotionNewton’s laws and momentum
8. GravitationGravity, mass, and weight
9. Work, Energy and PowerWork-energy relationships
10. FloatationBuoyancy and pressure concepts
11. SoundSound waves and applications

Biology

12. Fundamental Unit of Life – CellCell structure and functions
13. TissuesPlant and animal tissues
14. Biological DiversityClassification and nomenclature
15. Human DiseasesHealth, diseases, and prevention
17. Food – Higher YieldAgriculture and animal husbandry
18. Environment & ResourcesNatural resources and cycles

Test Pattern & Question Design

Each chapter-wise online test is carefully designed to assess conceptual understanding, improve accuracy, and prepare students for board-level examinations through structured MCQ practice.

MCQ-Based Questions

All tests consist of multiple-choice questions that focus on concept clarity, application, and common exam-oriented patterns.

Chapter-Focused Coverage

Each test is strictly limited to a single chapter, ensuring deep practice of all important topics without mixing concepts.

Balanced Difficulty Level

Questions include a mix of easy, moderate, and application-based problems to reflect real examination standards.

Detailed Explanations

Every question is followed by a clear explanation explaining why the correct option is right and how the concept works.

Concept-Oriented Design

Questions are designed to test understanding rather than memorization, helping students build long-term clarity.

Revision-Friendly Structure

Tests can be used for quick revision, self-evaluation, and identifying weak areas before exams.

Why Every Question Has a Detailed Explanation

Answering a question correctly is important, but understanding why an answer is correct is what truly builds conceptual clarity. That is why every question on this platform includes a clear, student-friendly explanation.

Learn From Mistakes

Explanations help students identify exactly where their understanding went wrong, preventing the same mistake from being repeated in exams.

Strengthen Core Concepts

Each explanation connects the question to the underlying concept, helping students move beyond memorization to real understanding.

Understand Wrong Options

Wherever necessary, explanations clarify why other options are incorrect, which is crucial for handling tricky MCQs confidently.

Improve Exam Confidence

When students know the logic behind answers, they approach similar questions in exams with greater confidence and accuracy.

Act as Quick Revision Notes

Over time, explanations themselves become concise revision material, making last-minute preparation faster and more effective.

Designed for Independent Learning

Clear explanations allow students to learn on their own, without needing external help for every doubt.

How to Use These Tests to Score Better

Simply attempting questions is not enough. Follow this structured approach to use chapter-wise online tests effectively and turn practice into real exam performance.

Step 1

Attempt the Test Honestly

Take the chapter test without referring to notes or textbooks. This helps identify your actual level of understanding.

Step 2

Read Every Explanation Carefully

Review the explanation for each question, including the ones answered correctly, to reinforce concepts and avoid careless mistakes.

Step 3

Identify Weak Areas

Note the concepts where you made mistakes or felt unsure. These areas need focused revision before attempting the test again.

Step 4

Revise and Retest

After revising weak concepts, retake the test or attempt another set to measure improvement and build confidence.

Step 5

Repeat Before Exams

Use chapter-wise tests regularly during exam preparation to keep concepts fresh and improve speed and accuracy.

Notes vs Tests – A Smart Preparation Strategy

Effective exam preparation is not about choosing between notes and tests. It is about using both in the right order to build understanding, accuracy, and confidence.

Why Tests Should Come First

Attempting tests first helps students quickly identify what they know and what they do not. This prevents passive reading and saves valuable study time.

Using Notes for Targeted Revision

Once weak areas are identified through tests, short and focused notes can be used to revise only the concepts that need improvement.

How Explanations Bridge the Gap

Detailed explanations act as mini-notes, helping students understand concepts immediately without switching between multiple resources.

Avoid Information Overload

Reading complete notes without testing often leads to overload. A test-first approach keeps preparation focused and exam-oriented.

Build Confidence Through Practice

Regular testing combined with selective revision builds confidence and improves performance in both school exams and board examinations.

A Practical Learning Cycle

Test → Review explanations → Revise weak areas → Retest. This simple cycle leads to consistent improvement.

Board & Syllabus Applicability

These Class 10 Science online tests are designed to support students across different education boards by focusing on core scientific concepts that are common to the Class 10 curriculum in India.

Suitable for All Major Boards

The tests are useful for students studying under CBSE, ICSE, and State Boards, as they focus on universally taught Class 10 Science concepts.

Concept-Based Preparation

Questions emphasize understanding of fundamental concepts rather than board-specific patterns, making the tests widely applicable.

Aligned With School Exams

Regular practice with these tests helps students perform better in school-level examinations and internal assessments.

Useful for Board Examinations

The difficulty level and question style help students prepare confidently for final board examinations.

Frequently Asked Questions

Are these Class 10 Science online tests free?

Yes. All chapter-wise Class 10 Science online tests available on this platform are completely free to access and practice.

Do the tests include explanations for every question?

Yes. Every question is followed by a detailed explanation that helps students understand the concept and reasoning behind the correct answer.

Are these tests suitable for all education boards in India?

Yes. The tests focus on core Class 10 Science concepts that are common across CBSE, ICSE, and State Board syllabi.

What type of questions are included in the tests?

The tests consist of multiple-choice questions designed to assess concept clarity, application skills, and exam readiness.

Can these tests help in board exam preparation?

Yes. Regular practice using chapter-wise tests with explanations helps improve accuracy, confidence, and performance in board examinations.

Is login or registration required to attempt the tests?

No. Students can access and practice the online tests without mandatory login or registration.

About the Author

Hi, I’m Suresh.

I am an education enthusiast with more than 8 years of experience in private tutoring, and I genuinely enjoy teaching and sharing knowledge with students. Over the years, I have seen that most academic difficulties arise not from the syllabus itself, but from a lack of clear conceptual understanding and effective practice.

I come from a paramedic background, which has shaped my approach to teaching. It has taught me the importance of clarity, accuracy, and step-by-step reasoning—values that strongly influence how I design learning content on this platform.

As a technology enthusiast, I enjoy combining education with modern tools to make learning more structured and accessible. This website focuses on topic-wise MCQ practice with detailed explanations, helping students learn independently and improve through understanding rather than memorization.

— Suresh

Scroll to Top