Our Environment — Class 10 Biology NCERT Solutions (Free)
Free step-by-step NCERT solutions for Class 10 Biology chapter "Our Environment" — 7 important questions with detailed answers for CBSE board exam preparation.
TL;DR: Free step-by-step NCERT solutions for Class 10 Biology chapter "Our Environment" — 7 important questions with detailed answers for CBSE board exam pre…
By Syllab.in · Updated
Key Questions Covered:
- Define ecosystem. Describe the biotic and abiotic components of an ecosystem.
- What is a food chain? Explain with examples and describe the 10% rule (10% en…
- What is a food web? How does it differ from a food chain?
- + 4 more questions in the full chapter
Solutions Summary:
| Question | Status |
|---|---|
| Define ecosystem. Describe the biotic and abiotic compone… | ✓ Solved |
| What is a food chain? Explain with examples and describe … | ✓ Solved |
| What is a food web? How does it differ from a food chain? | ✓ Solved |
Showing 3 of 7 questions
Q1: Define ecosystem. Describe the biotic and abiotic components of an ecosystem.
Ecosystem is a functional unit consisting of all living organisms and their physical environment interacting together. It is self-sustaining and capable of recycling nutrients.
Biotic components (living):
1. Producers (Autotrophs):
- Green plants that manufacture their own food through photosyn...
Q2: What is a food chain? Explain with examples and describe the 10% rule (10% energy law).
Food chain:
- A linear sequence showing energy flow from one organism to another
- Each organism eats the one before and is eaten by the one after
- Starts with producer (plant) and ends with top carnivore
- Simple representation of who eats whom
Example food chain in a forest:
Grass → Grasshopper ...
Q3: What is a food web? How does it differ from a food chain?
Food web:
- A complex network of interconnected food chains
- Shows multiple feeding relationships in an ecosystem
- Many organisms can eat multiple food sources
- Realistic representation of feeding relationships
- Shows that energy flow in ecosystems is not linear but branching
Example food web i...
Showing 3 of 7 questions. Visit the full page for complete solutions.