Class 7 Geography Chapter 1 Our Environment – Key Points

Our Environment-Class 7 Geography Chapter 1 – Key Points 

Class 7 Geography Chapter 1 – Our Environment explains the surroundings in which we live and how different components of nature interact to support life on Earth. It introduces important concepts such as the natural environment, human-made environment, ecosystem, lithosphere, hydrosphere, atmosphere, and biosphere.

In this post, you will find the key points of Our Environment (Class 7 Geography Chapter 1) written in simple and easy language for quick revision. These points help students understand the main ideas of the chapter and are useful for last-minute exam preparation and quick learning.

Quick Revision – Our Environment (Class 7 Geography Chapter 1)

• Environment means our surroundings.
• It has three components: natural environment, human-made environment, and human environment.
• Natural environment includes land, water, air, plants, and animals.
• Human-made environment includes roads, buildings, bridges, and parks.
• Ecosystem is the interaction between living organisms and their surroundings.
• Lithosphere is the solid outer layer of the Earth.
• Hydrosphere includes all water bodies.
• Atmosphere is the blanket of air around the Earth.
• Biosphere is the zone where life exists.

 

Key Points – Our Environment (Class 7 Geography Chapter 1)

• Environment refers to our surroundings, including all living and non-living things around us.

• The environment consists of natural environment, human-made environment, and human environment.

• The natural environment includes land, water, air, plants, and animals.

• The human-made environment includes things created by humans such as roads, buildings, parks, and bridges.

• The human environment includes people along with their social, cultural, and economic activities.

• An ecosystem is the interaction between living organisms and their surroundings.

• The major components of the environment are lithosphere, hydrosphere, atmosphere, and biosphere.

• The lithosphere is the solid outer layer of the Earth made up of rocks and soil.

• The hydrosphere includes all water bodies such as oceans, rivers, lakes, and groundwater.

• The atmosphere is the blanket of air that surrounds the Earth.

• The biosphere is the narrow zone where land, water, and air interact to support life.

• Plants and animals depend on each other for survival and maintain ecological balance.

• Humans modify the environment to meet their needs, but excessive modification can disturb the ecological balance.

• Protecting the environment is important for sustainable development and survival of life on Earth.

---

Frequently Asked Questions (FAQ) – Our Environment

1. What is environment?
Environment refers to our surroundings, including all living and non-living things such as land, water, air, plants, animals, and human activities.

2. What are the major components of the environment?
The major components of the environment are natural environment, human-made environment, and human environment.

3. What is an ecosystem?
An ecosystem is the interaction between living organisms and their surroundings, where plants, animals, and other organisms depend on each other for survival.

4. What is the lithosphere?
Lithosphere is the solid outer layer of the Earth made up of rocks, minerals, and soil.

5. What is the biosphere?
The biosphere is the narrow zone of the Earth where land, water, and air interact to support life.

6. What is the hydrosphere?
Hydrosphere includes all water bodies on Earth, such as oceans, rivers, lakes, and groundwater.

7. Why is environment important?
The environment is important because it provides resources like air, water, food, and shelter that are necessary for life.

8. What are the three types of environment?
The three types of environment are natural environment, human-made environment, and human environment.

9. What is the difference between natural and human-made environment?
The natural environment includes elements created by nature such as land, water, air, plants, and animals. The human-made environment includes things created by humans such as roads, buildings, bridges, and parks.

10. What are examples of human-made environment?
Examples of human-made environment include roads, buildings, bridges, parks, and industries.

11. Why do humans modify the environment?
Humans modify the environment to meet their basic needs such as food, shelter, transport, and economic activities.

12. What is the atmosphere?
The atmosphere is the blanket of air that surrounds the Earth and protects life by providing oxygen and regulating temperature.

13. Why is environmental protection important?
Environmental protection is important because it helps maintain ecological balance and ensures the survival of living organisms.

---