UPSC Civil Services Mains 2021 GEOLOGY Paper I Question Paper PDF

Central Government Jobs Other Jobs 2021

  • Year 2021
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 250
  • Duration Three Hours
  • Languages Hindi & English

Exam Details

Detail Information
Examination UPSC Civil Services Main Examination
Year 2021
Conducting Body UPSC
Paper GEOLOGY (Paper I)
Subject Geology
Duration Three Hours
Maximum Marks 250
Number of Questions 8
Question Type Mixed

This is the question paper for GEOLOGY (Paper I) of the UPSC Civil Services Main Examination held in 2021. The paper is designed to test candidates' in-depth knowledge of geological principles. It consists of 8 questions divided into two sections, with candidates required to answer a total of five questions, including compulsory questions 1 and 5. The exam allows three hours to complete and carries a maximum of 250 marks. This paper is crucial for aspirants aiming for a career in geology through the Civil Services.

Major Topics Covered

  • Ring of Fire
  • Geographic Information System (GIS)
  • Stereoscopy
  • Photo Interpretation
  • Stereographic Projection
  • Structural Geology
  • Plate Tectonics
  • Tsunamis
  • Geomorphic Processes
  • Fluvial Processes
  • Attitude of a Bed
  • Strike, Dip Direction, Dip Amount
  • Geological Mapping
  • Geomorphology

Why This Paper is Important

  • Useful for UPSC Civil Services Main Examination preparation
  • Helps understand the latest exam pattern
  • Useful for practice and self-assessment
  • Covers frequently asked General Studies topics
  • Helpful for analysing question trends

Related Resources

  • UPSC Civil Services Main Examination 2021 GEOLOGY Paper II
  • UPSC Civil Services Main Examination 2020 GEOLOGY Paper I
  • UPSC Forest Service Examination 2021 GEOLOGY Paper I
  • UPSC Civil Services Main Examination 2021 GEOLOGY Paper I Answer Key
  • UPSC Civil Services Main Examination Geology Syllabus
  • UPSC Geology Optional Subject Syllabus
  • UPSC Civil Services Main Examination Pattern
  • UPSC Optional Subject Exam Pattern

Instructions

  • पुस्तिका के मुखपृष्ठ पर अंकित निर्दिष्ट स्थान पर किया जाना चाहिए ।
  • उल्लिखित माध्यम के अतिरिक्त अन्य किसी माध्यम में लिखे गए उत्तर पर कोई अंक नहीं मिलेंगे ।
  • प्रश्नों में शब्द सीमा, जहाँ विनिर्दिष्ट है, का अनुसरण किया जाना चाहिए ।
  • प्रश्न का उत्तर देते समय, जहाँ आवश्यक हो, उत्तरों के लिए दिए गए स्थान में ही आरेख /चित्र बनाइए ।
  • प्रश्नों के उत्तरों की गणना क्रमानुसार की जाएगी ।
  • यदि काटा नहीं हो, तो प्रश्न के उत्तर की गणना की जाएगी चाहे वह उत्तर अंशतः दिया गया हो ।
  • प्रश्न-सह-उत्तर पुस्तिका में खाली छोड़ा हुआ पृष्ठ या उसके अंश को स्पष्ट रूप से काटा जाना चाहिए ।

  • There are EIGHT questions divided in TWO SECTIONS and printed both in HINDI and in ENGLISH.
  • Candidate has to attempt FIVE questions in all.
  • Question Nos. 1 and 5 are compulsory and out of the remaining, THREE are to be attempted choosing at least ONE from each Section.
  • The number of marks carried by a question/part is indicated against it.
  • Answers must be written in the medium authorized in the Admission Certificate which must be stated clearly on the cover of this Question-cum-Answer (QCA) Booklet in the space provided.
  • No marks will be given for answers written in a medium other than the authorized one.
  • Word limit in questions, wherever specified, should be adhered to.
  • Diagrams/Sketches, wherever required, may be drawn in the space provided for answering the question itself.
  • Attempts of questions shall be counted in sequential order.
  • Unless struck off, attempt of a question shall be counted even if attempted partly.
  • Any page or portion of the page left blank in the Question-cum-Answer Booklet must be clearly struck off.

Questions (page 2)

Section A

Q1. Answer the following questions in about 150 words each :
निम्नलिखित में से प्रत्येक प्रश्न का लगभग 150 शब्दों में उत्तर लिखिये :

(a) Explain what is ring of fire ? How many plates and geographic areas are associated with ring of fire?
अग्नि वलय (रिंग ऑफ फायर) क्या है, व्याख्या कीजिए । अग्नि वलय के साथ कितनी स्थलमंडलीय प्लेटें और भौगोलिक क्षेत्र संबद्ध हैं ?

(b) What is Geographic Information System (GIS)? Explain the concepts, components and functions of GIS.
भौगोलिक सूचना तंत्र (जी. आइ. एस.) क्या है ? भौगोलिक सूचना तंत्र की संकल्पना, घटक तथा कार्यों का वर्णन करें ।

(c) Discuss stereoscopy and its advantages in aerial photo interpretation. Add a note on elements of photo interpretation.
त्रिविम (स्टीरियोस्कोपी) और उसकी वायव फोटो व्याख्या की उपयोगिता पर चर्चा करें । फोटो व्याख्या (फोटो इंटरप्रिटेशन) के तत्वों पर एक टिप्पणी कीजिए ।

(d) What is stereographic projection in structural geology? Discuss its types, nomenclature and different types of geological plotting technique in a stereonet.
संरचनात्मक भूविज्ञान में त्रिविम प्रक्षेपण क्या है ? इनके प्रकार नामपद्धती और विभिन्न प्रकार की भूवैज्ञानिक आलेखन तकनीक (प्लॉटिंग टेक्नीक) की एक त्रिविमीजाल (स्टीरियोनेट) में चर्चा कीजिए ।

(e) Discuss stress and strain ellipsoids using neat diagrams.
स्वच्छ आरेखों का उपयोग करके प्रतिबल और तनाव दीर्घवृत्ताभों पर चर्चा कीजिए ।

Section A

Q2.

(a) What are lithospheric plates ? Discuss the theory of plate tectonics. Which plates were involved when a major earthquake caused tsunami in Indian Ocean in 2004?
स्थलमंडलीय प्लेटें क्या हैं ? प्लेट विवर्तनिक के सिद्धांत पर चर्चा कीजिए । हिन्दमहासागर में 2004 के महाभूकम्प के कारण आई भूकंपीसिंधु तरंग (सुनामी) में कौन सी स्थलमंडलीय प्लेटें शामिल थीं ?

(b) Discuss the geomorphic processes. Cite any four aggradational and four degradational land forms associated with fluvial processes.
भूआकृतिक प्रक्रियाओं पर चर्चा कीजिए । जलीय प्रक्रियाओं से सम्बंधित कोई चार तलोच्चन और चार तलावचन स्थलरूपों को उद्भुत करें।

(c) What does attitude of a bed mean ? Define strike, dip direction and dip amount of a bed and explain how these are represented on a map for vertical, horizontal and inclined strata.
एक संस्तर की अभिवृत्ति का क्या अर्थ है ? एक संस्तर की नतिलंब, नतिदिशा और नतिसंख्या (डिप अमाऊंट) को परिभाषित कीजिए और स्पष्ट कीजिए कैसे इनके ऊर्ध्वाधर क्षैतिज एवं आनत स्तरों को मानचित्र पर दर्शाया जाता है ?

Section A

Q3.

(a) भुआकृतिक अध्ययन में कौन सी मौलिक संकल्पनाओं का उपयोग होता है ? “पृथ्वी की स्थलाकृति में से कुछ ही तृतीय (टर्शरी) से पुरानी हैं और इनमें से अधिकांश प्लेस्टोसीन से पुरानी नहीं हैं”, इस संकल्पना की व्याख्या करें।
What fundamental concepts are used in geomorphic study? Explain the concept that "Few of the Earth's landforms are older than Tertiary and most of them are not older than Pleistocene."

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Frequently asked questions

What is the name of the exam for which this question paper is from?

This question paper is from the UPSC Civil Services Main Examination.

What is the subject and paper name?

The subject is Geology, and the paper name is GEOLOGY (Paper I).

What is the conducting body for this examination?

The examination is conducted by the UPSC (Union Public Service Commission).

What is the year of this question paper?

This question paper is from the year 2021.

What is the maximum marks for this paper?

The maximum marks for this paper are 250.

What is the time allowed to complete the paper?

The time allowed to complete the paper is Three Hours.

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