CBSE Class 10 Science Syllabus, Paper Design & Marking Scheme 2024-25


Welcome to the Class 10 Science Syllabus and Marking Scheme page. This page provides a comprehensive guide to the syllabus, paper design, marking scheme, and chapter-wise weightage for the social science subject. Understanding the syllabus and exam pattern is essential for effective preparation. Here, you’ll find detailed insights into the structure of the social science paper, including important topics, weightage distribution, and exam preparation strategies.

Class X Science Syllabus and Marking Scheme

Class

Subject Code

Subject Name

Theory Marks

Time (h)

Internal Assessments Marks

Total Marks

Group

10

86

Science

80

3

20

100

Group A1

Class 10 Science Syllabus Overview

The Class 10 Science syllabus is designed to deepen students’ understanding of fundamental scientific concepts across Physics, Chemistry, and Biology. It covers a broad range of topics, including advanced theories, practical applications, and experimental techniques that form the foundation for higher studies and various competitive exams. 

Class X Science Syllabus & Marking Scheme - (Board Exams )

Units

Unit Name

Topics

Key Concepts

Marks

Weightage

I

Chemical Substances - Nature and Behaviour

Chemical Reactions

Chemical equations, balancing equations, types of chemical reactions (combination, decomposition, displacement, etc.), oxidation, reduction reactions

25

31.25%

Acids, Bases, and Salts

Definitions, properties, uses, neutralization, pH scale, importance of pH in daily life, uses of Sodium Hydroxide, Bleaching Powder, Baking Soda, etc.

Metals and Non-metals

Properties, reactivity series, ionic compounds, basic metallurgical processes, corrosion, and prevention

Carbon Compounds

Covalent bonding, homologous series, functional groups, chemical properties of carbon compounds, uses of ethanol, ethanoic acid, soaps, detergents

II

World of Living

Life Processes

Nutrition, respiration, transport, excretion in plants and animals

Control and Coordination

Tropic movements in plants, plant hormones, nervous system, voluntary/involuntary actions, reflexes, chemical coordination (animal hormones)

25

31.25%

Reproduction

Asexual and sexual reproduction in animals and plants, reproductive health, family planning, safe sex vs. HIV/AIDS

Heredity and Evolution

Heredity, Mendel’s laws, sex determination (evolution and classification excluded from assessment)

III

Natural Phenomena

Reflection of Light

Spherical mirrors, image formation, mirror formula (without derivation), magnification

Refraction of Light

Laws of refraction, refractive index, image formation by spherical lenses, lens formula (without derivation), power of a lens

12

15.00%

Human Eye and Vision

Functioning of the human eye, defects of vision and correction, applications of mirrors and lenses

Prism and Light Dispersion

Refraction through a prism, dispersion of light, scattering, daily applications

13

16.25%

IV

Effects of Current

Electric Current and Circuits

Ohm’s law, resistance, resistivity, factors affecting resistance, series and parallel combination of resistors, electric power

Magnetic Effects of Current

Magnetic fields, field lines, solenoids, Fleming’s Left-Hand Rule, DC vs AC, domestic electric circuits

V

Natural Resources

Our Environment

Ecosystems, environmental problems, ozone depletion, biodegradable and non-biodegradable substances, waste management

5

6.25%

Management of Natural Resources (For Portfolio/Assessment)

Not assessed in exams but can be included for internal portfolio work

   

Total

 

80

100.00%

Weightage and Marking Scheme for Class 10 Science

The marking scheme provides a breakdown of the marks allocated to each chapter. This allows students to prioritize high-weightage topics and effectively allocate their study time. Here’s the chapter-wise weightage for Class 10 Science.

Class X Science Marking Scheme & Chapter-wise Weightage ()

Unit No.

Unit

Chapter Name

Marks

Weightage

I

Chemical Substances - Nature and Behaviour

Chemical reaction and Equation

25

31.25%

Acids, Bases and Salts

Metals and Non-Metals

Carbon and Its Compound

Periodic Classification of Element

II

World of Living

Life Processes

25

31.25%

Control and Coordination

How do Organism Reproduce?

Heredity and Evolution

III

Natural Phenomena

Light - Reflection and Refraction

12

15.00%

The Human Eye and the Colourful World

IV

Effects of Current

Electricity

13

16.25%

Magnetic effects of Electric Current

Sources of Energy

V

Natural Resources

Our Environment

5

6.25%

Sustainable Management of Natural Resource

 

Total

 

80

100.00%

 

Internal assessment

 

20

 
 

Grand Total

 

100

 

 

Exam Pattern Of Class 10 Science

The exam pattern for Class 10 Science includes a mix of objective, subjective, and analytical questions. Understanding the exam pattern helps students focus on the structure of the exam, including the types of questions, marks distribution, and time allocation. Here’s an overview of the question format and total marks.

CBSE Class X Science Exam Pattern ()

Type of Questions

No. of Questions

Marks Per Question

Total Marks

MCQ

20

1

20

Very short answer type

6

2

12

short answer type

7

3

21

case based questions

3

4

12

long answer type

3

5

15

Total

39

 

80

Internal Assessment

   

20

Grand Total

   

100

 

Paper Design Of Class 10 Science

Here is the latest paper design of class 10th Science subject. 

CBSE Class X Science Exam Pattern ()

Type of Questions

No. of Questions

Marks Per Question

Total Marks

MCQ

20

1

20

Very short answer type

6

2

12

short answer type

7

3

21

case based questions

3

4

12

long answer type

3

5

15

Total

39

 

80

Internal Assessment

   

20

Grand Total

   

100

 

Benefits of Knowing the Syllabus and Marking Scheme of Class 10 Science

Understanding the Class 10 Science syllabus and marking scheme is crucial for students aiming to excel in their board exams. Here’s how it benefits you:

  1. Targeted Learning: The syllabus gives you a clear outline of what you need to study. This allows you to focus on the relevant topics and avoid wasting time on unnecessary information.

  2. Efficient Time Allocation: By knowing the marking scheme, you can identify high-weightage topics and allocate more time to these areas. This helps in managing your study time efficiently and maximizing your score.

  3. Structured Revision: With a well-defined syllabus, you can plan a structured revision. Focusing on high-weightage chapters ensures that you cover essential topics multiple times, enhancing your retention.

  4. Exam Readiness: Knowing the marking scheme allows you to anticipate the types of questions you might face. You’ll be able to prepare accordingly, which boosts your confidence and reduces anxiety.

  5. Improves Performance in Competitive Exams: Class 10 Science syllabus aligns with various competitive exams at the foundation level. A thorough understanding of the syllabus helps you tackle these exams effectively.

  6. Enhanced Problem-Solving Skills: Many topics in the syllabus focus on practical applications and problem-solving. Knowing what to focus on allows you to practice these skills effectively, improving your overall understanding.

How to Prepare for Class 10 Science Effectively

To excel in Class 10 Science, a structured study plan is essential. Here are some effective tips to help you prepare:

  1. Start with the NCERT Textbook: Begin with the NCERT textbook, as it is the primary source for your board exams. Understand each concept thoroughly and complete all in-text questions and exercises.

  2. Focus on Understanding, Not Memorization: Science requires a deep understanding of concepts. Focus on the 'why' and 'how' behind each topic rather than rote learning. This will help you retain information better and apply it in exams.

  3. Create Chapter-Wise Notes: Summarize each chapter in your own words, highlighting key points, formulas, and definitions. This will help during revision and make it easier to recall information.

  4. Practice Diagrams and Labeling: In subjects like Biology and Physics, diagrams play a significant role. Practice drawing and labeling diagrams accurately, as they carry weight in the exam.

  5. Attempt Previous Year Papers and Sample Papers: Solving past papers and sample papers gives you an idea of the exam pattern and helps you manage time effectively. It’s a great way to practice and gauge your preparation.

  6. Revise Regularly: Schedule regular revision sessions to reinforce what you've learned. Don’t wait until the last minute, as this can lead to stress and information overload.

  7. Take Mock Tests: Mock tests simulate the exam environment and improve your speed and accuracy. Make it a habit to take mock tests and analyze your performance to identify areas for improvement.

  8. Stay Consistent: Consistency is key to excelling in Class 10 Science. Dedicate a set amount of time each day to Science and follow your study plan diligently.

  9. Seek Help When Needed: If you find certain topics challenging, seek help from teachers, peers, or online resources. Addressing doubts early on will prevent confusion later.

By following these preparation tips and staying dedicated, you’ll be well-prepared to tackle the Class 10 Science board exam confidently.