Geography

Endogenic and exogenic forces

Q: How do exogenic forces affect relief created by endogenic forces over time?

They erode wear down and reshape it Exogenic forces gradually cut down and reshape elevated landforms. For exams understand landform development as interaction of both forces.

Q: Landslides are included under which process?

Mass movement In a landslide rock and soil move downslope due to gravity. For exams remember it as a rapid mass movement.

Q: Under which condition does exogenic erosional capacity generally increase?

When slope is steep and water flow is fast Steeper slope and faster flow increase river energy. For exams connect gradient with the intensity of erosion.

Q: Expansion and contraction by temperature change on Earth's surface is an example of what?

Physical weathering Temperature changes expand and contract rocks and may break them. For exams call it physical or mechanical weathering.

Q: Karst landforms are generally related to which exogenic process?

Chemical solution of limestone In karst areas limestone dissolves in water to form special landforms. For exams connect karst with chemical weathering and solution.

Q: What tendency do endogenic forces generally show on Earth's surface?

Creating irregularity and relief Endogenic forces create relief by uplifting subsiding or deforming the surface. For exams understand them as forces with a constructive tendency.

Q: What tendency do exogenic forces mainly show on Earth's surface?

Toward leveling and balance Exogenic forces balance the surface by cutting high areas and filling low areas. For exams see them as destructive and leveling forces.

Q: Which example clearly shows interaction between endogenic and exogenic processes?

River erosion of an uplifted mountain A mountain may form by endogenic uplift and a river cuts it by exogenic erosion. For exams use such examples to understand the relation between both forces.

Q: Why are geomorphic processes important in the rock cycle and landform development?

They continuously change rocks and landforms Geomorphic processes break form and rearrange rocks. For exams treat Earth's surface as dynamic.

Q: In which situation is deposition more likely?

When the energy of the transporting agent decreases When energy decreases rivers wind or glaciers start depositing their load. For exams connect deposition with reduced energy.

In this Class 11 Geography topic from the chapter Geomorphic Processes, students learn how endogenic forces originate within the Earth and shape its surface through tectonic movements, folding, faulting, earthquakes, and volcanism. They also examine exogenic forces acting at or near the surface, including weathering, erosion, mass movement, and deposition. The topic explains how these internal and external processes interact over time to create and modify landforms such as mountains, valleys, plains, and plateaus.

Medium · Level 2 · 25 questions

Practice questions

01How do exogenic forces affect relief created by endogenic forces over time?

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Answer and explanation

Correct answer: A. They erode wear down and reshape it

Exogenic forces gradually cut down and reshape elevated landforms. For exams understand landform development as interaction of both forces.

Endogenic and exogenic forces

Practice questions

01How do exogenic forces affect relief created by endogenic forces over time?आंतरिक बलों से उत्पन्न ऊंचाई को बाह्य बल समय के साथ कैसे प्रभावित करते हैं?

02Landslides are included under which process?भूस्खलन को किस प्रक्रिया के अंतर्गत रखा जाता है?

03Under which condition does exogenic erosional capacity generally increase?किस परिस्थिति में बाह्य अपरदन की क्षमता सामान्यतः बढ़ जाती है?

04Expansion and contraction by temperature change on Earth's surface is an example of what?पृथ्वी की सतह पर शैल के टूटने में ताप विस्तार और संकुचन किसका उदाहरण है?

05Karst landforms are generally related to which exogenic process?कार्स्ट स्थलरूप सामान्यतः किस बाह्य प्रक्रिया से संबंधित होते हैं?

06What tendency do endogenic forces generally show on Earth's surface?आंतरिक शक्तियां पृथ्वी की सतह पर किस प्रकार की प्रवृत्ति दिखाती हैं?

07What tendency do exogenic forces mainly show on Earth's surface?बाह्य शक्तियां मुख्यतः पृथ्वी की सतह पर किस प्रवृत्ति से काम करती हैं?

08Which example clearly shows interaction between endogenic and exogenic processes?किस उदाहरण में आंतरिक और बाह्य प्रक्रियाओं की अंतःक्रिया स्पष्ट दिखती है?

09Why are geomorphic processes important in the rock cycle and landform development?शैल चक्र और स्थलरूप विकास में भूआकृतिक प्रक्रियाओं का महत्व क्यों है?

10In which situation is deposition more likely?किस स्थिति में निक्षेपण की संभावना अधिक होगी?

11Formation of sand dunes by wind is an example of what?पवन द्वारा बालू के टीलों का बनना किसका उदाहरण है?

12Slow upward movement of the crust is what type of process?भू-पर्पटी का धीरे धीरे ऊपर उठना किस प्रकार की प्रक्रिया है?

14Which is the most appropriate comparison between endogenic and exogenic processes?अंतर्जात और बहिर्जात प्रक्रियाओं के बीच सबसे उचित तुलना कौन सी है?

15Coastal rock erosion by sea waves is an example of which process?समुद्री लहरों द्वारा तटीय चट्टानों का कटाव किस प्रक्रिया का उदाहरण है?

16In which process are solution oxidation and hydration important actions?किस प्रक्रिया में घुलन ऑक्सीकरण और जलयोजन जैसी क्रियाएं प्रमुख होती हैं?

17When rivers form deep valleys in their upper course which process is dominant?जब नदियां ऊपरी भाग में गहरी घाटियां बनाती हैं तो प्रमुख प्रक्रिया कौन सी होती है?

18What is common between diastrophism and volcanism?पटल विरूपण और ज्वालामुखीयता में समानता क्या है?

19What is the main reason high mountains become rounded and lower over a long time?उच्च पर्वतों के लंबे समय में गोल और नीचा होने का प्रमुख कारण क्या है?

20Which factor can directly affect the rate of weathering?किस कारक से अपक्षय की दर सीधे प्रभावित हो सकती है?

22When do exogenic processes act on new landforms formed by endogenic processes?आंतरिक प्रक्रिया के बाद बने नए स्थलरूपों पर बाह्य प्रक्रिया कब काम करती है?

23Which statement best describes the role of exogenic forces?किस कथन में बाह्य शक्तियों की भूमिका सबसे सही बताई गई है?

24From the viewpoint of geomorphic balance what is the relationship between endogenic and exogenic forces?भूआकृतिक संतुलन की दृष्टि से आंतरिक और बाह्य शक्तियों का संबंध कैसा है?

25Where do exogenic forces mainly operate in geomorphic processes?भूआकृतिक प्रक्रियाओं में बहिर्जात शक्तियों का कार्य क्षेत्र मुख्यतः कहाँ होता है?

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01How do exogenic forces affect relief created by endogenic forces over time?

02Landslides are included under which process?

03Under which condition does exogenic erosional capacity generally increase?

04Expansion and contraction by temperature change on Earth's surface is an example of what?

05Karst landforms are generally related to which exogenic process?

06What tendency do endogenic forces generally show on Earth's surface?

07What tendency do exogenic forces mainly show on Earth's surface?

08Which example clearly shows interaction between endogenic and exogenic processes?

09Why are geomorphic processes important in the rock cycle and landform development?

10In which situation is deposition more likely?

11Formation of sand dunes by wind is an example of what?

12Slow upward movement of the crust is what type of process?

14Which is the most appropriate comparison between endogenic and exogenic processes?

15Coastal rock erosion by sea waves is an example of which process?

16In which process are solution oxidation and hydration important actions?

17When rivers form deep valleys in their upper course which process is dominant?

18What is common between diastrophism and volcanism?

19What is the main reason high mountains become rounded and lower over a long time?

20Which factor can directly affect the rate of weathering?

22When do exogenic processes act on new landforms formed by endogenic processes?

23Which statement best describes the role of exogenic forces?

24From the viewpoint of geomorphic balance what is the relationship between endogenic and exogenic forces?

25Where do exogenic forces mainly operate in geomorphic processes?