Analysis of Class 10 Science Chapter Wise Weightage 2024


The Class 10 board exams are a crucial milestone in a student’s academic journey, with various subjects to cover. One of the core subjects that students need to focus on is Science. The Science syllabus in Class 10 is broad and covers a wide array of topics ranging from Physics, Chemistry, and Biology. Students often wonder about the weightage of each chapter in the Science syllabus to effectively plan their studies and allocate time accordingly. In this article, we will delve into the Chapter Wise Weightage of Class 10 Science for the year 2024, highlighting the key topics and their distribution based on previous year patterns.

Understanding the Pattern

Before jumping into the specifics of the weightage for each chapter, it’s essential to understand the pattern followed by the examination board. The Class 10 Science paper is divided into two parts: Theory and Practical. The theory paper consists of 80 marks, while the practical examination carries 20 marks. Thus, a total of 100 marks are allocated to the Science subject.

The theory paper assesses students on their understanding of concepts, scientific knowledge, and application of principles learned throughout the year. It comprises a mix of objective questions, short answer questions, and long answer questions, testing students’ knowledge comprehensively.

Chapter Wise Weightage for Class 10 Science 2024

Let’s break down the Chapter Wise Weightage for Class 10 Science into Physics, Chemistry, and Biology:


  1. Electricity
  2. Weightage: 13-15 marks
  3. This chapter covers topics like Ohm’s Law, resistance, power, and electric circuits. Understanding the concepts of electricity is crucial as it has a significant weightage in the exam.

  4. Magnetic Effects of Electric Current

  5. Weightage: 8-10 marks
  6. Topics such as magnetic field, electromagnetism, and electric motor are essential from an exam perspective.

  7. Light

  8. Weightage: 8-10 marks
  9. Concepts related to reflection, refraction, lenses, and the human eye are typically asked in the exam.

  10. Sources of Energy

  11. Weightage: 4-6 marks
  12. Renewable and non-renewable sources of energy, along with alternative sources, are crucial topics in this chapter.


  1. Chemical Reactions and Equations
  2. Weightage: 8-10 marks
  3. This chapter includes topics such as types of chemical reactions, balancing equations, and types of chemical reactions like combination, decomposition, displacement, etc.

  4. Acids, Bases, and Salts

  5. Weightage: 8-10 marks
  6. Concepts related to the pH scale, indicators, types of acids and bases, and their reactions are important for this chapter.

  7. Metals and Non-Metals

  8. Weightage: 10-12 marks
  9. Properties of metals and non-metals, corrosion, extraction of metals, and their uses are frequently asked in the exam.

  10. Carbon and its Compounds

  11. Weightage: 8-10 marks
  12. Understanding the bonding in carbon compounds, types of carbon compounds, and their properties is crucial.


  1. Life Processes
  2. Weightage: 10-12 marks
  3. Topics like nutrition, respiration, transportation, excretion, and reproduction in plants and animals are covered in this chapter.

  4. Control and Coordination

  5. Weightage: 4-6 marks
  6. Concepts related to the nervous system, endocrine system, hormones, and their functions are significant.

  7. How do Organisms Reproduce?

  8. Weightage: 6-8 marks
  9. Understanding the process of reproduction in plants and animals, modes of reproduction, and reproductive health is crucial for this chapter.

FAQs (Frequently Asked Questions)

  1. How should I allocate my study time based on the chapter wise weightage?
  2. It’s advisable to prioritize chapters with higher weightage while ensuring you have a strong grasp on all topics for comprehensive preparation.

  3. Are the topics mentioned in the weightage inclusive of all questions in the exam?

  4. While these are indicative weightages, the exam may have variations, so it’s essential to cover all topics in the syllabus.

  5. Should I focus more on theory or practical aspects for the Science exam?

  6. Both theory and practical aspects are essential to score well. Practice numericals for Physics, chemical reactions for Chemistry, and diagrams for Biology.

  7. How can I effectively revise all chapters before the exam?

  8. Utilize concept maps, revision notes, past papers, and group study sessions to revise all chapters efficiently.

  9. Are there any specific resources or books recommended for Class 10 Science preparation?

  10. NCERT textbooks are highly recommended for Science preparation, along with reference books for additional practice.

In conclusion, understanding the Chapter Wise Weightage for Class 10 Science is beneficial for students to streamline their preparation and focus on essential topics. By strategizing their study plan based on the weightage, students can enhance their understanding of key concepts and perform well in the board exams. Remember, consistent revision, practice, and clarity of concepts are the keys to excelling in the Science subject.

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