SEBA Class 10 Geography Additional Chapter 2 Environmental Geography

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SEBA Class 10 Geography Additional Chapter 2 Environmental Geography

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Environmental Geography

ADDITIONAL QUESTION ANSWER

1. Define ‘environment’?

Ans: The environment refers to the surroundings of living beings, encompassing all natural elements like land, water, air, and living organisms. Environment can be defined as a sum total of all the living and nonliving elements and their effects that influence human life.

2. What are the two main components of the environment?

Ans: The two main components are the Biotic Environment and the Abiotic Environment.

3. What are the four specific zones of the global environment?

Ans: The four zones are Lithosphere, Hydrosphere, Biosphere, and Atmosphere.

4. What does the Lithosphere consist of?

Ans: The term lithosphere refers to the Earth’s rigid, rocky outer layer. It is made up of the crust and the uppermost solid layer of the mantle. 

5. How much of the earth’s surface does the Hydrosphere cover?

Ans: The Hydrosphere covers about 71% of the earth’s surface.

6. Define Biosphere?

Ans: The biosphere, also called the ecosphere, is the worldwide sum of all ecosystems. The Biosphere is the layer of the earth that supports life, including all plants, animals, and other living organisms.

7. What is the role of the Atmosphere?

Ans: The main function of the atmosphere is the protection of life on Earth by shielding it from harmful ultraviolet radiation.

8. How do the four environmental zones interact?

Ans: Most organisms require water from the hydrosphere to live, air from the atmosphere to breathe, and the land of the geosphere to create a home in.The four zones are interdependent, with different cycles operating among them, contributing to the overall environmental balance.

9. What are some major environmental problems mentioned in the chapter?

Ans: Major problems include deforestation, global warming, desertification, and various forms of pollution.

10. Define deforestation?

Ans: Deforestation is the purposeful clearing of forested land.Deforestation has greatly altered landscapes around the world.

11. What percentage of the earth’s surface is currently covered by forests?

Ans: Only about 15% of the earth’s surface is currently covered by forests.

12. What factors contribute to deforestation?

Ans: Factors include population growth, urbanization, industrial development, and the demand for forest resources.

13. What is global warming?

Ans: Global warming refers to the gradual rise in the overall temperature of the atmosphere of the Earth. 

14. How has human activity affected environmental problems?

Ans: The five major impacts humans have on the environment include deforestation, global warming, overharvesting, pollution, and agriculture. 

15. What role does geography play in understanding environmental issues?

Ans: Geography studies the relationship between humans and the environment, improving the environments that we live in so that we can plan change, monitor development, and improve the well-being of people, as well as the overall.

16. Why is Environmental Geography considered a separate branch of geography?

Ans:Environmental geography is the branch of geography that describes the spatial aspects of interactions between humans and the natural world.

17. How does soil type vary among different regions?

Ans: Water, wind, temperature change, gravity, chemical interaction, living organisms and pressure differences all help break down parent material. Soil types vary due to factors like geological structure, climate, and vegetation, leading to different characteristics in various environments.

18. What measures are being taken to combat deforestation?

Ans: The best way to stop deforestation is replanting. Ban on cutting of trees and new trees and planting more.

19. What type of soil is primarily found in grassland regions?

Ans: Chernozem soil, which is slightly blackish due to high organic content.

20. What soil type is found in high latitude areas with coniferous vegetation?

Ans: Podzol soil, which is highly acidic.