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Landforms and their Evolution MCQs | Geography | UPSC IAS Civil Services Exam

Landforms and their Evolution MCQs | Geography | UPSC IAS Civil Services Exam

Landforms and their Evolution MCQs | Geography | UPSC IAS Civil Services Exam Q1. Consider the following statements: / निम्नलिखित कथनों पर विचार करें
  1. Erosion is always followed by deposition while depositional surfaces are not subjected to erosion./ अपरदन के पश्चात हमेशा निक्षेपण होता है तथा निक्षेपित तल का अपरदन नहीं होता है |
  2. Landscapes are small to medium tracts of the earth’s surface./ भूदृश्य छोटे से माध्यम आकार के भूखंड होते हैं |
  3. Arrangement of landforms  in the landscape is known as topography. / भूदृश्य में स्थलरूप की व्यवस्था को स्थलाकृति कहा जाता है |
Which of the above statement/s is/are correct: / उपर्युक्त में से कौन सा / से कथन सत्य है / हैं
  • Only 3 /  केवल 3
  • 1 and 3/ 1  और 3
  • 2 and 3/ 2 और 3
  • 1,2,3/ 1, 2, 3
[showhide type=”links1″ more_text=”Show Answer” less_text=”Hide Answer”] Ans. A is correct.
  • Statement 1 is not correct  Deposition follows erosion and the depositional surfaces too are ultimately subjected to erosion.
  • Statement 2 is not correct  Several related landforms together make up landscapes (large tracts of earth’s surface).
  • Statement 3 is correct Landforms together make up a given terrain, and their arrangement in the landscape is known as topography.
[/showhide] Q2. Consider the following statements: / निम्नलिखित कथनों पर विचार करें
  1. The gentler the river channels in gradient or slope, the lesser is the deposition. / प्रवाहित जल का ढाल जितना मंद होगा, उतना ही कम निक्षेपण होगा |
  2. Rills will gradually develop into gullies, the gullies by further deepening, will convert into valleys. / सरिताएं धीरे धीरे अवनालिकाओं में विकसित होती है और अवनलिकाएँ और गहरी होकर घाटी में परिवर्तित हो जाते हैं |
  3. Corrasion is the mechanical grinding of the river’s traction load against the banks and bed of the river. / अपघर्षण नदी के कर्षण भार  की उसके किनारों तथा तल के साथ एक यांत्रिक घर्षण है |
Which of the above statement/s is/are correct: / उपर्युक्त में से कौन सा / से कथन सत्य है / हैं
  • Only 3/ केवल 3
  • 1 and 3/ 1 और 3
  • 2 and 3/ 2 और 3
  • 1,2,3/ 1, 2, 3
[showhide type=”links2″ more_text=”Show Answer” less_text=”Hide Answer”] Ans. C is correct.
  • Statement 1 is not correct The gentler the river channels in gradient or slope, the greater is the deposition.   
  • Statement 2 is correct Rills will gradually develop into long and wide gullies; the gullies will further deepen, widen, lengthen and unite to give rise to a network of valleys.
  • Statement 3 is correct Corrasion is the mechanical grinding of the river’s traction load against the banks and bed of the river.
[/showhide] Q3. Consider the following statements:/ निम्नलिखित कथनों पर विचार करें
  1. Attrition is wear and tear of the transported materials themselves when they roll and collide into one another. / संनिघर्षण  बहा कर लाये गए पदार्थों का खंडित-विखंडित होना है जब वे आपस में टकराते है |
  2. If the rocks are very resistant, the valley will be narrow and the sides will be  so steep that gorges are formed. / यदि चट्टानें अधिक  प्रतिरोधी होती है, घाटियां संकीर्ण होती है तथा किनारे इतने नुकीले होते है की गॉर्ज का निर्माण करते है |
  3. River capture is also known a river piracy. / नदी अपहरण को नदी की चोरी भी कहा जाता है |
Which of the above statement/s is/are correct:- / उपर्युक्त में से कौन सा / से कथन सत्य है / हैं
  • Only 1/ केवल 1
  • 1 and 2/ 1 और 2
  • 2 and 3/ 2 और 3
  • 1,2,3/ 1,2,3
[showhide type=”links3″ more_text=”Show Answer” less_text=”Hide Answer”] Ans. D is correct.
  • Statement 1 is correct Attrition is wear and tear of the transported materials themselves when they roll and collide into one another.
  • Statement 2 is correct Where the rocks are very resistant, the valley is so narrow and the sides are so steep that gorges are formed. Indus Gorge in kashmir.
  • Statement 3 is  correct River capture is also known a river piracy.
[/showhide] Q4. Consider the following statements: / निम्नलिखित कथनों पर विचार करें
  1. In youth stage of river course, the valley developed is deep, narrow and V-shaped. / नदी प्रवाह की युवावस्था में  बनी घाटी गहरी,संकीर्ण तथा V-आकार की होती है |
  2. Valleys start as small and narrow gullies, the gullies will gradually develop into long and wide rills. / घाटियों का प्रारम्भ तंग व संकरी  क्षुद्र अवनालिकाओं से होता है और ये अवनालिका धीरे धीरे लम्बी व विकसित सरिताओं में विकसित होते हैं |
  3. A gorge has more width at its top than its bottom. / गोर्ज का ऊपरी भाग  तल की अपेक्षा अधिक चौड़ा होता है |
Which of the above statement/s is/are correct ?/ उपर्युक्त में से कौन सा / से कथन सत्य है / हैं
  • Only 1/ केवल  1
  • 2 and 3/ 2 और 3
  • Only 2/ केवल  2
  • 1,2,3/ 1,2,3
[showhide type=”links4″ more_text=”Show Answer” less_text=”Hide Answer”] Ans. A is correct.
  • Statement 1 is correct In youth stage of river course, the valley developed is deep, narrow and V-shaped.
  • Statement 2 is not correct  Valleys start as small and narrow rills; the rills will gradually develop into long and wide gullies.
  • Statement 3 is not correct A gorge is almost equal in width at its top as well as its bottom.
[/showhide] Q5. Consider the following statements:/ निम्नलिखित कथनों पर विचार करें
  1. An entrenched river refers to a river that is confined to a Canyon or Gorge. / गभीरीभूत नदी ऐसे नदी को कहा जाता है जो गोर्ज और कैनियन तक ही सीमित रहते हैं |
  2. Paired river terraces occur at the same elevation on either side of the rivers . / युग्म नदी वेदिकाएं नदी के दोनों तरफ समान ऊंचाई  वाली होती है |
  3. Deltas are like alluvial fans but the load carried by the rivers is dumped and spread into the sea. / डेल्टा जलोढ़ पंख की भांति ही होते हैं लेकिन नदी अपने साथ लाये हुए पदार्थों को समुद्र में  बिखेर देती है |
Which of the above statement/s is/are correct ? / उपर्युक्त में से कौन सा / से कथन सत्य है / हैं
  • Only 1/ केवल 1
  • 1 and 2/ 1 और 2
  • 1 and 3/ 1 और  3
  • 1,2,3/ 1,2,3
[showhide type=”links5″ more_text=”Show Answer” less_text=”Hide Answer”] Ans. D is correct.
  • Statement 1 is correct An entrenched river refers to a river that is confined to a Canyon or Gorge.
  • Statement 2 is correct The river terraces may occur at the same elevation on either side of the rivers in which case they are called paired terraces
  • Statement 3 is correct Deltas are like alluvial fans but the load carried by the rivers is dumped and spread into the sea.
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