Class 11 Environmental Studies Important Chapter 4 Natural Resources

Class 11 Environmental Studies Important Chapter 4 Natural Resources Solutions English Medium As Per AHSEC New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters ASSEB Class 11 Environmental Studies Important Solutions and select need one. AHSEC Class 11 Environmental Education Additional Notes English Medium Download PDF. HS 1st Year Environmental Studies Important Solutions in English.

Class 11 Environmental Studies Important Chapter 4 Natural Resources

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. ASSEB Class 11 Environmental Studies Additional Question Answer are part of All Subject Solutions. Here we have given HS 1st Year Environmental Studies Important Notes in English for All Chapters, You can practice these here.

Natural Resources

Chapter: 4

UNIT- I : Environmental Education

IMPORTANT QUESTION AND ANSWER

Short Question and Answer:

1. What are the types of natural resources?

Ans: There are two types of natural resources: renewable and non-renewable.

2. What is the source of all flowing rivers in Northeast India including the Brahmaputra?

Ans: The source of all flowing rivers in Northeast India including the Brahmaputra is the glaciers of the Himalayas.

3. Since when has gold been extracted from the Subansiri River of Assam?

Ans: Gold has been extracted from the Subansiri River of Assam since before the 19th century.

4. Give an example of a renewable resource.

Ans: Examples of renewable resources include solar energy, forests, and forest products.

5. What percentage of water on the Earth’s surface is readily usable?

Ans: Only 0.003% of water on the Earth’s surface is readily usable.

6. What does ONGC stand for?

Ans: ONGC is a public sector organization for oil and gas extraction.

7. Write one difference between renewable and non-renewable resources.

Ans: Renewable resources are inexhaustible and can be regenerated within a certain time. On the other hand, non-renewable resources are available in limited quantities in nature.

8. What is Meghalaya famous for?

Ans: Meghalaya is famous for uranium, coal, and limestone.

9. How many types of mineral substances are there?

Ans: There are three types of mineral substances.

10. What percentage of groundwater is currently being used in Assam?

Ans: Currently, 12.83% of groundwater is being used in Assam.

11. From which river in Assam was gold extracted before the 19th century?

Ans: Gold was extracted from the Subansiri River of Assam before the 19th century.

12. What mineral substances are used daily in our life?

Ans: Iron, coal, zinc, etc., are the mineral substances we use daily.

13. Write one cause of soil erosion.

Ans: One cause of soil erosion is salinization, which occurs due to the accumulation of sodium, magnesium, and calcium salts affecting soil fertility.

14. Through what process do green plants produce oxygen gas essential for life?

Ans: Green plants produce oxygen gas essential for life through the process of photosynthesis.

15. Name one national park of Assam.

Ans: One national park of Assam is Kaziranga National Park.