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Here is a list of the most important topics for Class10 CBSE Board Exams 2024 across Science, Mathematics, and Social Science, focusing on topics with maximum weightage:

‍1. Science(Code: 086)‍

Physics

• Light – Reflection and Refraction
  
  • Laws of reflection and refraction, mirror and lens formula, magnification.
  • Ray diagrams and image formation.
• The Human Eye and the Colorful World
  
  • Defects of vision and their correction.
  • Atmospheric refraction: twinkling of stars, dispersion of light through a prism.

Chemistry

• Chemical Reactions and Equation
  
  • Chemical Reactions and Equations.
• Acids, Bases, and Salts
  
  • Properties of acids and bases, pH scale, preparation of salts.

• Carbon and Its Compounds
  
  • Covalent bonding, versatile nature of carbon, homologous series.
  • Nomenclature, chemical properties, and uses of important compounds

Biology

• Life Processes
  
  • Nutrition, respiration, transportation, excretion in humans and plants.
• Control and Coordination
  
  • Hormonal coordination in animals, reflex action, nervous system in humans.

• Heredity and Evolution
  
  • Mendel’s experiments, inheritance of traits, sex determination.

‍2. Mathematics(Code: 041)

Algebra

• Quadratic Equations
  
  • Methods of solving quadratic equations, applications in real-life problems.
• Arithmetic Progression
  
  • nth term, sum of n terms, word problems.

Geometry

• Circles
  
  • Tangents to a circle, number of tangents from a point outside the circle.
• Triangles
  
  • Similar triangles, Pythagoras theorem and its applications.

Mensuration

• Surface Areas and Volumes
  
  • Combination of solids, volume and surface area of spheres, hemispheres, and frustum of a cone.

Trigonometry

• Applications of Trigonometry
  
  • Height and distance problems.

Probability and Statistics

• Probability
  
  • Simple problems based on theoretical probability.
• Statistics
  
  • Mean, median, mode of grouped data; cumulative frequency graph.

‍3. Social Science (Code: 087)‍

History

• The Rise of Nationalism in Europe
  
  • The French Revolution and the idea of nation.
  • Unification of Germany and Italy.
• Nationalism in India
  
  • The Non-Cooperation and Civil Disobedience Movements.
  • Role of Mahatma Gandhi and significant events.

Geography

• Resources and Development
  
  • Types of resources, sustainable development, land use patterns.
• Water Resources
  
  • Multipurpose river projects, rainwater harvesting.

• Agriculture
  
  • Types of farming, cropping pattern, contribution to the national economy.

Civics

• Power Sharing
  
  • Case studies of Belgium and Sri Lanka.
  • Federalism in India, linguistic states.
• Outcomes of Democracy
  
  • Accountability, transparency, and challenges in democracy.

Economics

• Sectors of the Indian Economy
  
  • Primary, secondary, and tertiary sectors; interdependence.
• Globalization and the Indian Economy
  
  • Multinational corporations, impact of globalization, WTO.

Key Tips for Preparation

1. Focus on NCERT textbooks as most board exam questions are based on them.
2. Prioritize topics with diagrams, graphs, and formulas for scoring.
3. Practice previous years’ papers and sample papers to understand the exam pattern.
4. Allocate more time to topics with higher weightage as outlined above.