SEBA Class 9 Social Science Important Chapter 6 Change of The Earth’s Surface

SEBA Class 9 Social Science Important Chapter 6 Change of The Earth’s Surface Solutions English Medium As Per SEBA New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters SEBA Class 9 Social Science Additional Solutions and select need one. NCERT Important Solutions For Class 9 Social Science Download PDF. Important Notes for Class 9 Social Science.

SEBA Class 9 Social Science Important Chapter 6 Change of The Earth’s Surface

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. Assam SEBA Board Class 9 Social Science Additional Question Answer are part of All Subject Solutions. Here we have given CBSE Class 9 Social Science Important Notes for All Chapters, You can practice these here.

Change of The Earth’s Surface

Chapter: 5

Part – II: Geography

IMPORTANT QUESTION ANSWER

1. Name two components of the earth’s surface.

Ans. Lithosphere and hydrosphere.

2. Name the biotic elements of exogenic factors.

Ans. Vegetation, animals and microbes.

3. Write the abiotic elements of exogenic factors.

Ans. Sunshine, rain, rivers, wind, glaciers and sea-waves.

4. Name a sediment carried by a river in dissolved state.

Ans. Salt.

5. Write the name of the sediments transported by river water in suspended state.

Ans. Sand, mud and silt.

6. What are the depositional features formed by the bed load of rivers?

Ans. Sandbars, natural levees, floodplains and deltas.

7. Name four rivers where extensive flood plains are found.

Ans. Brahmaputra, Ganges, Indus and Mississippi.

8. Name three wind-related hazards.

Ans. Hurricane, typhoon and tornado.

9. Name three mountain ranges where mountain or valley glaciers are found.

Ans. The Himalayas in Asia, the Alps in Europe and the Rockies in North America.

10. Name a glacier which covers the polar regions.

Ans. Continental glacier.

11. What are the sediments carried by a glacier other than ice?

Ans. Boulders, pebbles, sand, etc.

12. Give an example of endogenic force.

Ans. Earthquake.

13. What do you mean by bed load?

Ans. The heavy and course sediments transported by running water in rolling state along its channel is called bed load.

14. What is meandering course?

Ans. The zig-zag course of the river while flowing over the gentle slope of the plain is called meandering course.

15. What is coastline?

Ans. Coastline is a zig-zag line which marks the meeting place of the land and the ocean.