Topic Details (Notes format)

Ecosystem and Energy Flow

Subject: General Science

Book: NCERT Biology Class 12

Study of energy transfer in ecological systems.
- **Food Chains and Food Webs**:
- Trophic levels and their roles.
- **Ecological Pyramids**:
- Pyramid of energy, biomass, numbers.
- **Energy Flow in Ecosystems**:
- Primary and secondary production.

**Possible Exam Questions:**
1. Define food chain and food web with examples.
2. What are the different types of ecological pyramids?
3. Explain the process of energy flow in an ecosystem.
4. How does human activity impact the energy flow in ecosystems?
5. Discuss the significance of trophic levels in an ecosystem.

Practice Questions

What is the chemical formula of methane?

View Question

What type of electromagnetic radiation has the longest wavelength?

View Question

Which gas is commonly used in balloons to make them float?

View Question

What is the chemical symbol for gold?

View Question

Which particle is responsible for the negative charge of an atom?

View Question

What is the most abundant gas in the Sun?

View Question

Which gas is used in the process of welding?

View Question

What type of macromolecule is an enzyme?

View Question

Which of the following is a fundamental force in nature?

View Question

What type of energy is stored in a stretched rubber band?

View Question