Class 11 Geography - Geomorphic Processes - Mass movements, erosion, and deposition Expert Quiz

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अपक्षय को अपरदन से अलग करने वाला सबसे निर्णायक आधार क्या है?

What is the most decisive basis for distinguishing weathering from erosion?

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Correct Answer

A. अपक्षय स्थल पर होता है जबकि अपरदन में पदार्थ का परिवहन होता हैWeathering occurs in situ while erosion involves transport of material

Step 1

Concept

Weathering is breakdown or alteration of rock at its original place. Exam tip: remember in situ action and no transport.

Step 2

Why this answer is correct

The correct answer is A. अपक्षय स्थल पर होता है जबकि अपरदन में पदार्थ का परिवहन होता है / Weathering occurs in situ while erosion involves transport of material. Weathering is breakdown or alteration of rock at its original place. Exam tip: remember in situ action and no transport.

Step 3

Exam Tip

अपक्षय चट्टान के उसी स्थान पर टूटने या बदलने की प्रक्रिया है। परीक्षा में स्थल पर होना और परिवहन न होना याद रखें।

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यदि किसी क्षेत्र में अपक्षय तीव्र है लेकिन अपरदन भी बहुत तीव्र है तो मोटा रेजोलिथ क्यों नहीं बनेगा?

If weathering is intense but erosion is also very rapid, why will thick regolith not form?

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Correct Answer

A. क्योंकि अपक्षयित पदार्थ बनते ही हटाया जा सकता हैBecause weathered material may be removed as soon as it forms

Step 1

Concept

Regolith thickness depends on balance between production and removal. Exam tip: think of both weathering and erosion rates together.

Step 2

Why this answer is correct

The correct answer is A. क्योंकि अपक्षयित पदार्थ बनते ही हटाया जा सकता है / Because weathered material may be removed as soon as it forms. Regolith thickness depends on balance between production and removal. Exam tip: think of both weathering and erosion rates together.

Step 3

Exam Tip

रेजोलिथ की मोटाई निर्माण और हटाव के संतुलन पर निर्भर करती है। परीक्षा में अपक्षय और अपरदन दोनों दरों को मिलाकर सोचें।

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उच्च पर्वतीय क्षेत्रों में तुषार अपक्षय और वृहद संचलन के बीच संबंध क्या हो सकता है?

What can be the relation between frost weathering and mass movement in high mountain areas?

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Correct Answer

A. तुषार अपक्षय ढाल मलबा बनाता है जो नीचे खिसक सकता हैFrost weathering creates slope debris that may move downslope

Step 1

Concept

Freezing water in cracks produces rock fragments and debris may become unstable on slopes. Exam tip: connect mountain debris with frost action.

Step 2

Why this answer is correct

The correct answer is A. तुषार अपक्षय ढाल मलबा बनाता है जो नीचे खिसक सकता है / Frost weathering creates slope debris that may move downslope. Freezing water in cracks produces rock fragments and debris may become unstable on slopes. Exam tip: connect mountain debris with frost action.

Step 3

Exam Tip

दरारों में जमता जल शैल खंड बनाता है और मलबा ढाल पर अस्थिर हो सकता है। परीक्षा में पर्वतीय मलबे को तुषार क्रिया से जोड़ें।

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अपक्षय को भू-दृश्य विकास की आरंभिक तैयारी क्यों माना जाता है?

Why is weathering considered an initial preparation for landscape development?

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Correct Answer

D. क्योंकि यह चट्टानों को कमजोर और खंडित कर आगे के अपरदन के लिए पदार्थ तैयार करता हैBecause it weakens and fragments rocks and prepares material for later erosion

Step 1

Concept

Weathering loosens and prepares material and supports other geomorphic processes. Exam tip: connect weathering with preparation for erosion.

Step 2

Why this answer is correct

The correct answer is D. क्योंकि यह चट्टानों को कमजोर और खंडित कर आगे के अपरदन के लिए पदार्थ तैयार करता है / Because it weakens and fragments rocks and prepares material for later erosion. Weathering loosens and prepares material and supports other geomorphic processes. Exam tip: connect weathering with preparation for erosion.

Step 3

Exam Tip

अपक्षय पदार्थ को ढीला और परिवहनीय बनाकर अन्य भूआकृतिक प्रक्रियाओं को आधार देता है। परीक्षा में अपक्षय को अपरदन की तैयारी से जोड़ें।

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