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Class 10 Science – Chapter 14
Sources of Energy | NCERT Online Test (Board Exam 2026)
Revision Notes (NCERT)
- Energy is required for all activities in daily life.
- Sources of energy are classified as renewable and non-renewable.
- Thermal power plants use fossil fuels to generate electricity.
- Renewable sources are inexhaustible and eco-friendly.
- Biogas is produced from animal waste and plant residues.
- Solar energy is the ultimate source of most energy forms.
📘 NCERT Class 10 Science – Previous Chapter Tests
- Chapter 01 – Chemical Reactions and Equations
- Chapter 02 – Acids, Bases and Salts
- Chapter 03 – Metals and Non-metals
- Chapter 04 – Carbon and its Compounds
- Chapter 05 – Life Processes
- Chapter 06 – Control and Coordination
- Chapter 07 – How do Organisms Reproduce
- Chapter 08 – Heredity and Evolution
- Chapter 09 – Light Reflection and Refraction
- Chapter 10 – The Human Eye and the Colourful World
- Chapter 11 – Electricity
- Chapter 12 – Magnetic Effects of Electric Current
- Chapter 13 – Our Environment
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