Class 10 Science Chapter 13: Our Environment
Core Concepts
- Ecosystem and its components
- Food chains and food webs
- Trophic levels
- Biodegradable and non-biodegradable waste
- Ozone and environmental protection
Exercise Practice
NCERT exercise references are supported with original YTC explanations and concept reasoning.
Important Questions
- Explain trophic levels.
- Differentiate biodegradable and non-biodegradable waste.
- Why are food chains generally short?
PYQ / Test
Only source-verified CBSE questions are labelled PYQ.