Class 11 Geography Important Chapter 10 Running Water

Class 11 Geography Important Chapter 10 Running Water 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 Geography Important Solutions and select need one. AHSEC Class 11 Elective Geography Additional Notes English Medium Download PDF. HS 1st Year Finance Important Solutions in English.

Class 11 Geography Important Chapter 10 Running Water

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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 Elective Geography Additional Question Answer are part of All Subject Solutions. Here we have given HS 1st Year Elective Geography Important Notes in English for All Chapters, You can practice these here.

Chapter: 10

THIRD UNIT : GEOMORPHIC FEATURES AND THEIR EVOLUTIONARY PROCESS
IMPORTANT QUESTION AND ANSWER

Answer The Following Questions:

1. How much rainfall occurs annually on the Earth’s surface?

Ans: The Earth’s surface receives about 108 × 10¹⁷ litres (around 1,08,000 cubic kilometres) of rainfall every year.

2. How much sediment does the Brahmaputra River carry annually toward the plains?

Ans: The Brahmaputra River carries about 616 crore tons of sediment annually toward the plains.

3. What is a Plunge Pool?

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Ans: At the base of a waterfall, water falls with great force and forms a large, deep depression called a plunge pool.

4. What is meant by an Alluvial Fan?

Ans: When a river descends from a mountain to a plain with a steep slope, the sediments spread out in a fan shape, forming an alluvial fan.

5. What is the area of the world’s largest delta — the Sundarbans?

Ans: The Sundarbans, the world’s largest delta, covers an area of about 1,25,000 square kilometres.

6. What is the name of the world’s largest delta?

Ans: The world’s largest delta is the Sundarbans Delta.

7. What is meant by Valley Widening?

Ans: The process by which a river’s lateral erosion gradually widens and flattens the valley is called valley widening.

8. What is Surface Runoff?

Ans: The water that flows over the Earth’s surface towards river channels without joining a river directly is called surface runoff.

9. What features are commonly found in the youthful stage of a river?

Ans: In the youthful stage, rivers usually form waterfalls and rapids.

10. Which two rivers together form the world’s largest delta?

Ans: The Ganga and Brahmaputra rivers together form the world’s largest delta.

Long Question & Answer:

1. What is the Fluvial Process? How does it form landforms?

Ans: The fluvial process refers to erosion, transportation, and deposition carried out by rivers and surface water.

Rivers erode rocks and soil from highlands and carry sediments downstream.These materials are later deposited in plains, deltas, and river basins.Erosion forms valleys and gorges; transportation moves sediments; deposition creates flood plains and deltas.Thus, running water continuously shapes and modifies the Earth’s landforms.

2. What are Flood Plains and Deltas? Explain their formation.

Ans: Flood plains are flat areas on both sides of a river that flood during heavy rainfall.

Sediments deposited by floodwater make the land fertile and ideal for agriculture. Deltas form when a river slows down near the sea and deposits sediments at its mouth. The Ganga-Brahmaputra Delta is the world’s largest, spread across India and Bangladesh.

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