(Download) UPSC: Geologist Examination Papers-2019

Exam Name : UPSC Geo-Scientist and Geologist Exam

Subject : UPSC Geo-Scientist and Geologist Exam Papers 2019 : Geology Paper- II

Year : 2019

GEOLOGY Paper - II

Time Allowed : Three Hours

Maximum Marks : 200

Question Paper Specific Instructions

• Please read each of the following instructions carefully before attempting questions. 
• There are ELEVEN questions divided under SIX Sections. 
• Candidate has to attempt SIX questions in all. 
• The ONLY question in Section A is compulsory. 
• Out of the remaining TEN questions, the candidate has to attempt FIVE choosing ONE from each of the other Sections B, C, D, E & F. 
• The number of marks carried by a question / part is indicated against it. Symbols, abbreviations and notations have their usual standard meanings. 
• Attempts of questions shall be counted in sequential order. 
• Unless struck off, attempt of a question shall be counted even if attempted partly. Answers must be written in ENGLISH only. 
• Neat sketches are to be drawn to illustrate answers, wherever required. 
• Wherever required, graphs / tables are to be drawn on the answer-book itself. Any page or portion of the page left blank in the answer-book must be clearly struck off. 

SECTION-A 

Write notes on each of the following: 5x10=50 

1.(a) Large Ion Lithophile Element (LILE) and High Field Strength Element (HFSE) 

1.(b) Carbonaceous chondrite 

1.(c) Birefringence and optical retardation 

1.(d) Isomorphism in minerals with examples 

1.(e) Phase rule and its application in phase diagram 

1.(f) Bedding and Lamination 

1.(g) Source of sediments 

1.(h) Metasomatism 

1.(i) Ozone hole in stratosphere 

1.(j) Magnitude of earthquake 

SECTION—B (Mineralogy, Geochemistry and Isotope Geology) 

(Attempt any ONE question) 

2.(a) What are interference colours ? Why anisotropic minerals exhibit interference colours between crossed polars ? Explain with neat sketches.  10 

2.(b)  Discuss the structure, types, composition, physical and optical properties of mica group of minerals.  20 

3.(a) Define Gibb’s free energy (G). Derive an equation showing relationship of G with Temperature (T) and Pressure (P).  10 

3.(b) Discuss briefly geochemical characteristics of Rare Earth Elements (REE). Why REE abundance in a rock is expressed in chondrite normalized diagram ? What is Eu-anomaly?  10 

3.(c) Derive the basic equation of radioactive dating. What is half-life (t12) ?

SECTION-C (Igneous Petrology)

(Attempt any ONE question) 

4.(a)  Discuss the variation in composition of basaltic magma with variation of its mantle source composition and degree of partial melting.  10  

4.(b)  What is Bowen's reaction principle ? State Bowen's reaction series and discuss its role in understanding magmatic differentiation.  10 

4.(c) Is there any relationship between nature of magma and its tectonic setting ? Discuss with suitable examples.  10 

5.(a) Describe 'perthitic' and 'granophyric texture with neat sketches. How do you explain origin of perthitic texture with the help of a suitable phase diagram? 10 

5.(b) What are bases of IUGS classification of plutonic rocks and volcanic rocks? Describe with neat sketch IUGS classification of granitoid rocks. 10 

5.(c) What are carbonatites and alkaline rocks? Why carbonatite is always found in association with alkaline rocks? 10

SECTION—D (Metamorphic Petrology and Processes) 

(Attempt any ONE question) 

6.(a) What are Barrovian zones ? What is the basis for sub-division of these zones ? 10 

6.(b)  Explain the concept of 'Geothermobarometry' in metamorphic rocks. 

6.(c)  Discuss the regional metamorphism of ultramafic rocks in terms of mineral association and P-T conditions (up to 600°C).  10 

7.(a) Describe the characteristics of eclogite facies metamorphism. Add a note on types mineral assemblages of eclogite. 10 

7.(b) Give a brief account on the mineral association and formation conditions of charnockites. Add a note on their occurrence in India. 

7.(c) What are migmatites ? Name the types of migmatites. Discuss the petrographic components of migmatites.  10 

SECTION—E (Sedimentology) 

(Attempt any ONE question) 

8.(a) Write names of different types of tectonic sedimentary basins. Draw a labelled diagram of sedimentary basins of India. Add note on tectonic evolution and sedimentation history of Gondwana basin of India.  20 

8.(b) Describe briefly basic concept of the sequence stratigraphy. 

9.(a) Describe chemical and biogenic sedimentary structures. Add a note on their origin and implications.  20 

9.(b) Discuss the procedure of palaeocurrent analysis in sedimentary rocks.  10 

SECTION-F (Environmental Geology and Natural Hazards) 

(Attempt any ONE question) 

10.(a) Discuss the impact of mineral extraction and processing in terms of water pollution. · Add note on mineral sustainability related to mining. 
 
10.(b) Discuss the application of GI.S. in land use pattern.

11.(a) Explain various aspects of air pollution and its impact on environment. 

11.(b) Briefly discuss the methods of nuclear waste disposal. 

11.(c) What are the common source of groundwater pollution and contamination? 10 

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(Download) UPSC: Geologist Examination Papers-2019

Exam Name : UPSC Geo-Scientist and Geologist Exam

Subject : UPSC Geo-Scientist and Geologist Exam Papers 2019 : Geology Paper- I

Year : 2019

GEOLOGY Paper - I

Time Allowed : Three Hours

Maximum Marks : 200

Question Paper Specific Instructions

• There are ELEVEN questions divided under SIX Sections.
• Candidate has to attempt SIX questions in all. The ONLY question in Section-A is compulsory. Out of the remaining TEN questions, the candidate has to attempt FIVE, choosing ONE from each of the other Sections B, C, D, E and F. 
• The number of marks carried by a question/part is indicated against it. 
• Symbols, abbreviations and notations have their usual standard meanings. 
• Neat sketches are to be drawn to illustrate answers, wherever required. 
• Wherever required, graphs/tables are to be drawn on the Question-cum-Answer Booklet 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. 
• Answers must be written in ENGLISH only. 

SECTION-A 

( Compulsory Section ) 
1. Describe the following in brief with diagrams wherever necessary :  5x10=50 

(a) Measurement of strain from deformed conglomerates 
(b) Ductile shear 
(c)  Image filtering in remote sensing 
(d) Assemblage zone 
(e)  Pandyan Mobile Belt 
(f)  Glossopteris flora 
(g) Upper Siwalik fauna from India 
(h) Chemical denudation 
(i) Continental growth 
6)  Low-velocity zone in the mantle 

SECTION—B

Attempt any one question 

2. (a) Describe with sketches, the drainage pattern associated with faulted and folded regions. Give two examples of anomalous drainage indicative of Neotectonism.  
(b) Describe the landforms produced by glacial and fluvial actions with examples  from India. 

3. (a) Enumerate the salient features of aerial photographs and remote sensing  imagery. 
(b) Illustrate the principle of using remote sensing in mineral exploration. 
(c) Write a note on the Indian satellite Cartosat 2. 

SECTION-C 

Attempt any one question 

4. (a) What is the principle for the construction of Mohr diagram for 2-dimension stress? Illustrate with neat sketches, Mohr diagrams for some representative states of stress.  15 
(b) What are joint sets and joint systems? Briefly discuss the mechanism of  formation of joints.  15 

5. (a)  Illustrate with neat sketches, Ramsay's classification of folded layers. 
(b) What are the major types of strike-slip faults? Enumerate with suitable sketches, characteristics and structures associated with the strike-slip faults.  10 
(c)  Illustrate with neat sketches, the interference patterns that are likely to develop due to superposed deformation.  10 

SECTION—D 

Attempt any one question 

6. (a) Critically evaluate the theory of continental drift. 
(b) How would you distinguish among mid-oceanic ridges, oceanic trenches and mountain chains from gravity anomaly data? 

7. (a) "Plate tectonics did not begin all at once." Justify the statement. 
(b) What are the major types of orogeny? How can these types be explained with the help of plate tectonics? 
(c) Briefly discuss the emergence and evolution of the Himalaya. 

SECTION—E 

Attempt any one question 

8. (a) Give an account of Precambrian stratigraphy of the Singhbhum Craton with reference to stratigraphic succession, lithology and geochronology.  15 
(b) Give the stratigraphic succession of the Vindhyan Supergroup. Comment on  the sedimentation history and the age of the Vindhyan Supergroup.  15 

9. (a) Give the hierarchical classification and definition of lithostratigraphic units.  Discuss the methods of lithostratigraphic correlation.  10 
(b)  Illustrate the principle of radiometric dating of rocks with example from Sm-Nd decay series. Comment on the advantages and disadvantages of the Sm-Nd method of dating. 
(c) Briefly describe the nature of the Deccan Volcanic Province. Comment on the  geodynamics of the Deccan Volcanic Province. 

SECTION-F 

Attempt any one question 

10. (a) Discuss the timing, causes and impact of mass extinction events which led to the disappearance of trilobites and dinosaurs in the earth history.  15 
(b) Elucidate the rationale behind using stable isotopes of oxygen and carbon from  animal shells for reconstructing the palaeoclimate. 

11. (a) Explain with diagrams, the morphology of Ammonoids and add a note on the evolution of their suture pattern. 
(b) Describe the internal structure of Brachiopod shells with suitable diagrams. 
(c) Give an account of the evolution of Equidae. 

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UPSC : Officers Selected by UPSC during 2016-2019

(Result) UPSC IAS PRELIMS Exams 2019 Results With Names

(Result) Indian Forest Service Examination (Pre), 2019

On the basis of screening test held through Civil Services (Preliminary) Examination, 2019 on 2nd June, 2019, the candidates with the following Roll Numbers have qualified for admission to the Indian Forest Service (Main) Examination, 2019.

The candidature of these candidates is provisional. In accordance with the Rules of the Examination, all these candidates have to apply again in the Detailed Application Form-I (DAFI) for IFoS (Main) Examination, 2019 which  would be available on the website of the Union Public Service Commission https://upsconline.nic.in All the qualified candidates are advised to fill up the DAF-I for IFoS as per the prescribed mode i.e. ONLINE and submit the same ONLINE for admission to the Indian Forest Service (Main) Examination, 2019 to be held from Sunday, the 1st December 2019. The DAF-I will be available on the Commission’s website from Tuesday the 3rd September, 2019 to Wednesday the 18th September, 2019 till 06.00 PM. 

Important instructions (regarding filling up of the DAF-I for IFoS and submitting the same ONLINE to the Commission) will also be available on the website. The qualified candidates have to first get themselves registered on the relevant page of the website before filling up the ONLINE DAF-I. The qualified candidates are further advised to refer to the Rules of the Indian Forest Service Examination, 2019, published in the gazette of India (Extraordinary) dated 19- 02-2019 of Ministry of Environment Forests and Climate Change.
 
It may be noted that mere submission of application form does not, ipso facto, confer on any right for admission to the Indian Forest Service (Main) Examination. The e-Admit card alongwith the Time Table of this Examination will be uploaded on the Commission’s website for the eligible candidates 3-4 weeks before the commencement of the Examination. Changes, if any, in the postal address or e-mail address or mobile number after submission of the DAF-I for IFoS may be communicated to the Commission at once.

Candidates are also informed that marks, cut off marks and answer keys of screening test held through CS(P) Examination, 2019 will be uploaded on the Commission’s web site i.e., https://upsconline.nic.in only after entire process of the IFoS Examination, 2019 is over i.e. after the declaration of final result of this Examination.

The Union Public Service Commission have a Facilitation Counter near the Examination Hall Building in its Campus. Candidates may obtain any information/clarification regarding their result of the above mentioned examination on all working days between 10.00 Hrs. to 17.00 Hrs. in person or on Tel. No. 011-23385271, 011-23098543 or 011-23381125 from this  Facilitation Counter. Candidates can also obtain information regarding their result by accessing Union Public Service Commission Website https://upsconline.nic.in. 

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Study Kit for Indian Forest Service (IFoS) Exam (GS Prelims)

(BREAKING NEWS) UPSC IAS PRELIMS Exams 2019 Results declared

(Date Sheet) UPSC IAS EXAM Calendar 2020

LAST UPDATED: 14 AUGUST 2020

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