⏱ Time Left: 25:00
Class 10 Science – Chapter 13
Our Environment | NCERT Online Test (Board Exam 2026)
Revision Notes (NCERT)
- Environment includes all living and non-living components.
- Producers, consumers and decomposers form ecosystem.
- Energy flows unidirectionally in food chains.
- 10% law governs energy transfer between trophic levels.
- Biodegradable wastes are decomposed by microbes.
- Ozone layer protects Earth from UV radiation.
📘 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
No comments:
Post a Comment