UPSC/HCS/RAS Civil Service Day 37 Geography-Geophysical phenomenon- Volcanism MCQ

UPSC/HCS/RAS Civil Service Day 37 Geography-Geophysical phenomenon- Volcanism MCQ

UPSC/HCS/RAS Civil Service Day 37 Geography-Geophysical phenomenon- Volcanism MCQ

UPSC/HCS/RAS Civil Service Day 37 Geography-Geophysical phenomenon- Volcanism MCQ

 

 

Dear aspirants,

Welcome to Frontier IAS online coaching classes. Frontier IAS is a part of Pinnacle New Era Education Pvt. Ltd.  Frontier IAS provides guidance for the preparation of UPSC/HCS/RAS Civil Service. Frontier IAS has started Geography questions series for UPSC/HCS/RAS aspirants.

Questions on Geography are asked in both prelims and mains (GS1 and GS3) in UPSC Civil Service Examination. The syllabus of Geography is broadly divided into Physical Geography and Human Geography.Indian Geography as well as World Geography are to be studied in GS1. Infrastructures i.e. Energy, Ports, Roads, Airports, Railways etc. are covered in GS3. Geography has a vast syllabus. Clearing the basic ideas on key topics will help you improve your score. Practising these MCQs provided by us can help you improve your knowledge and perform better in the actual exam.

Frontier IAS team brings you an MCQ series on various topics of Geography. You can solve it in your leisure time and use your time more productively while surfing the internet. So, here comes UPSC/HCS/RAS Civil Service Day 37 Geography-Geophysical phenomenon- Volcanism MCQ.

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UPSC/HCS/RAS Civil Service Day 37 Geography-Geophysical phenomenon- Volcanism MCQ

Q1. Consider the following statements:/निम्नलिखित कथनों पर विचार करें:

  1. A fissure vent is a linear volcanic vent through which lava erupts, usually without any explosive activity./विदर छिद्र एक रेखा के आकार का ज्वालामुखीय छिद्र होता है जिसमें से पृथ्वी के भीतर से लावा उगला जाता है , प्रायः ऐसा करने में किसी प्रकार की विस्फोटक  गतिविधि नहीं होती है|
  2. Basic lava has low density, high percentage of silica and is light-colored. /बेसाल्टिक लावा का घनत्व निम्न होता है ,सिलिका की मात्रा उच्च होती है एवं हल्के रंग का होता है|
  3. Basic lava are hottest lavas and are highly fluid./यह सबसे अधिक गर्म लावा है तथा अत्यधिक प्रवाही भी है|

Which of the above statement/s is/are correct?/उपरोक्त में से कौन सा कथन सही है?

  1. only 3
  2. 1 and 2
  3. 1 and 3
  4. 1, 2 and 3

 

Q2. Consider the following statements:/निम्नलिखित कथनों पर विचार करें:

  1. Magma is the molten rocks and related materials seen inside earth and when this magma came out to the earth surface through the vent, it is called as the Lava./मैग्मा पिघली हुई चट्टान है तथा संबंधित सामग्री है जो पृथ्वी के अंदर देखा जा सकता है जब यह मेग्मा पृथ्वी की सतह नलिका में से निकलकर बाहर आती है तो लावा कहलाती है|  
  2. Shield volcanoes are not steep because they are mostly made up of basalt./शील्ड ज्वालामुखी सीधे होते है क्यूंकि ये  बेसाल्ट से बने होते हैं|
  3. Shield volcano are the largest of all volcanoes in the world./शील्ड ज्वालामुखी दुनिया सबसे बड़े ज्वालामुखी है|

Which of the above statement/s is/are correct?/उपरोक्त में से कौन सा कथन सही है?

  1. only 3
  2. 1 and 3  
  3. 2 and 3
  4. 1, 2 and 3

 

Q3. Consider the following statements:/निम्नलिखित कथनों पर विचार करें:

  1. Crater is a huge depression caused by a collapse after a large-scale eruption, whereas a Caldera is a small, steep sided, volcanic depression./गर्त बड़े पैमाने पर विस्फोट के बाद बने हुए गड्ढे है जबकि ज्वालामुखी कुंड छोटा ,सीधे किनारे वाला ज्वालामुखीय गड्ढा है।
  2. The central portion of mid oceanic ridge experiences frequent eruptions./महासागरीय  कटक के मध्यवर्ती भाग में लगातार उद्गार होता रहता है|
  3. ‘Pacific Ring of Fire’, has the greatest concentration of active volcanoes./पैसिफिक रिंग ऑफ फायर ‘में सक्रिय ज्वालामुखी सबसे बड़ी संख्या पाई जाती है|

Which of the above statement/s is/are correct?/उपरोक्त में से कौन सा कथन सही है?

  1. only 1
  2. 1 and 2
  3. 2 and 3
  4. 1, 2 and 3

 

Q4. Consider the following statements:/निम्नलिखित कथनों पर विचार करें:

  1. No volcanoes occur in the Himalayan region or in the Indian peninsula./हिमालय क्षेत्र में या भारतीय प्रायद्वीप में कोई ज्वालामुखी नहीं है|
  2. Mt. Krakatau is a small volcanic island in the Sunda Straits, between Java and Sumatra./क्राकाटोआ, सुगा स्ट्रेट्स में जावा और सुमात्रा के बीच  छोटे ज्वालामुखीय द्वीप है।
  3. Cooling of the rock occurs at the surface of the earth.  E.g. Basalt, Andesite etc. are example of Intrusive igneous rock./जब लावा धरातल पर पहुँच कर ठंडा होता है जैसे  – बेसाल्ट एंडसाइट आदि अन्तर्वेधी आग्नेय चट्टानों के उदाहरण है|

Which of the above statement/s is/are correct?/इनमे से कौन से कथन सही है?

  1. only 1
  2. 1 and 2  
  3. only 3
  4. 1, 2 and 3

 

Q5. Consider the following statements:/निम्नलिखित कथनों पर विचार करें:

  1. Laccolith is a large body of magmatic material that cools in the deeper depth in the form of a large dome./लैपोलिथ चुंबकीय तत्वों से निर्मित विशाल पिंड है जो अत्यधिक गहराई में एक बड़े गुबंद का निर्माण करते है|
  2. Batholith is large dome shaped intrusive bodies with a level base and pipe-like conduit from below./बैथोलिथ गुबंदनुमा विशाल अन्तर्वेधी चट्टाने है जिनका तल समतल व एक पाइपरूपी वाहक नाली से नीचे से जुड़ा होता है|
  3. When the lava comes out through cracks and fissures, they solidify almost perpendicular to the ground to form wall like structures called dykes.

Which of the above statement/s is/are correct?/इनमे से कौन से कथन सही है?

  1. 2 and 3
  2. 1 and 3  
  3. 1 and 2
  4. only 3

 

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Answers:

1. Option C is correct.

  • Statement 1 is correct  A fissure vent, also known as a volcanic fissure or eruption fissure, is a linear volcanic vent through which lava erupts, usually without any explosive activity.
  • Statement 2 is not correct  Andesitic or acidic lava is light-colored, of low density, and has a high percentage of silica.
  • Statement 3 is correct Basic lava are hottest lavas and are highly fluid.

 

2. Option D is correct.

  • Statement 1 is correct Magma is the molten rocks and related materials seen inside earth and when this magma came out to the earth surface through the vent, it is called as the Lava.  
  • Statement 2 is correct Shield volcanoes are not steep because they are mostly made up of basalt.
  • Statement 3 is correct Shield volcano are the largest of all volcanoes in the world.

 

3. Option C is correct.

  • Statement 1 is not correct  Caldera is a huge depression caused by a collapse after a large-scale eruption, whereas a Crater is a small, steepside, volcanic depression.
  • Statement 2 is correct The central portion of mid oceanic ridge experiences frequent eruptions.
  • Statement 3 is  correct ‘Pacific Ring of Fire’, has the greatest concentration of active volcanoes.

 

4. Option B is correct.

  • Statement 1 is correct No volcanoes occur in the Himalayan region or in the Indian peninsula.
  • Statement 2 is correct  Mt. Krakatau is a small volcanic island in the Sunda Straits, between Java and Sumatra.
  •  Statement 3 is not correct Cooling of the rock occurs at the surface of the earth.  E.g. Basalt, Andesite etc. are example of Extrusive igneous rock.

 

5. Option D is correct.

  • Statement 1 is not correct Batholith is a large body of magmatic material that cools in the deeper depth in the form of a large dome.  
  • Statement 2 is not correct Laccolith is large dome shaped intrusive bodies with a level base and pipe-like conduit from below.
  • Statement 3 is correct When the lava comes out through cracks and fissures, they solidify almost perpendicular to the ground to form wall like structures called dykes.

 

 

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