Indian Forest Service 2018 Geology Paper II Question Paper PDF

Central Government Jobs Other Jobs 2018

  • Year 2018
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 200
  • Duration Three Hours
  • Languages English

Exam Details

Detail Information
Examination Indian Forest Service (Main) Examination
Year 2018
Conducting Body UPSC
Paper Geology Paper - II
Subject Geology
Duration Three Hours
Maximum Marks 200
Number of Questions 8
Question Type Mixed

This is the official question paper for the Indian Forest Service (Main) Examination 2018, specifically for Geology Paper II. Conducted by UPSC, this paper carries a maximum of 200 marks and allows candidates three hours to complete. It is a crucial resource for aspirants preparing for the IFS exam, offering insights into the types of questions asked, the depth of knowledge required in Geology, and the overall exam structure. Analyzing this paper helps candidates strategize their preparation, identify key topics, and understand the marking scheme.

Major Topics Covered

  • Silicate structures
  • Gibbs Phase Rule
  • Geothermobarometry
  • Metamorphism
  • Amphibolite facies
  • Granulite facies
  • Sedimentary rocks
  • Igneous rocks
  • Metamorphic facies
  • Contact metamorphism
  • Eutectic crystallization
  • Binary systems
  • Primary sedimentary structures
  • Ripple marks
  • Biaxial interference figures
  • Conoscopic condition
  • Mafic rocks
  • Felsic rocks
  • Sandstone classification
  • Orthorhombic System
  • Amphibole
  • Pyroxene
  • Charnockite
  • Phosphorite
  • Limestone

Why This Paper is Important

  • Useful for Indian Forest Service (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

  • Indian Forest Service (Main) Examination 2017 Geology Paper - II
  • Indian Forest Service (Main) Examination 2019 Geology Paper - II
  • UPSC Geologists Examination 2018 Geology Paper - I
  • Indian Forest Service (Main) Examination 2018 Geology Paper - II Answer Key
  • Indian Forest Service (Main) Examination Syllabus
  • Geology Syllabus for Competitive Exams
  • Indian Forest Service (Main) Examination Pattern
  • UPSC Exam Pattern

Instructions

  • There are EIGHT questions in all, out of which FIVE are to be attempted.
  • Out of the remaining SIX questions, THREE are to be attempted selecting at least ONE question from each of the two Sections A and B.
  • 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.
  • The number of marks carried by a question/part is indicated against it.
  • Answers must be written in ENGLISH only.
  • Neat sketches may be drawn, wherever required. ti a na da bini tande where the tendence is a lower off mathe for community infiduo cruits of their \mathcal{L}_{\text{F1}}

Questions (page 2)

Section A

Q1.

(a) Classify the various 'silicate structures' with neat diagrams.

(b) Explain 'Gibbs Phase Rule' and its applications in geothermobarometry.

(c) Differentiate between the textures and mineral assemblages developed during regional metamorphism of pelitic sedimentary rock to amphibolite and granulite facies.

(d) Compare the texture and mode of emplacement of gabbro, dolerite, basalt and komatiite.

(e) Describe the changes that take place during transformation of sediments to sedimentary rocks.

Section A

Q2.

(a) What are primary sedimentary structures ? Write a note on the significance of ripple marks in terms of sedimentary environment.

(b) Explain the concept of metamorphic facies with suitable diagram and write a note on metamorphic facies related to contact metamorphism.

(c) What is eutectic crystallization ? Show the behaviour of eutectic crystallization in the binary system, giving appropriate example.

Section A

Q3.

(a) What are biaxial interference figures ? Explain how interference figures are obtained under conoscopic condition and add a note on types of biaxial interference figures.

(b) Write an elaborate note with neat diagram on mineralogical composition and texture of common mafic and felsic igneous rocks.

(c) Elaborate the classification scheme and petrographic characteristics of sandstone.

Section A

Q4.

(a) Explain the symmetry configuration of 'Normal Class' of 'Orthorhombic System' and discuss the characteristic forms.

(b) How are amphibole and pyroxene distinguished based on crystal structures and optical properties?

(c) Write mineral composition and texture of the following rocks — charnockite, phosphorite and limestone.

Question paper preview

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Indian Forest Service Main Examination 2018 Geology Paper II question paper page 1 instructions and header scan PDF download
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Indian Forest Service Main Examination 2018 Geology Paper II question paper page 1 instructions and header scan PDF download

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Frequently asked questions

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

This question paper is for the Indian Forest Service (Main) Examination.

Which year is this Indian Forest Service question paper from?

This question paper is from the year 2018.

Who conducts the Indian Forest Service Examination?

The Indian Forest Service Examination is conducted by UPSC (Union Public Service Commission).

What is the subject of this specific paper?

This paper is for Geology, specifically Paper II.

What is the maximum marks for Geology Paper II?

The maximum marks for Geology Paper II is 200.

What is the time duration allowed for this paper?

The time allowed for this paper is Three Hours.

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