GEOL/IV/04 Student's Copy
2 0 1 8
Pre-CBCS
4th Semester
GEOLOGY
FOURTH PAPER
Palaeontology and Stratigraphy—I
Full Marks 55
Time 2½ hours
PART A—OBJECTIVE
Marks 20
The figures in the margin indicate full marks for the questions
SECTION—A
Marks 5
Tick the correct answer in the brackets provided 1×5=5
1. Those animals living in running water like rivers are called
Lentic
Lotic
Necton
Plankton
2. The form of Lamellibranch's shell with both the adductor impressions
almost equal in size is known as
Anisomyarian
Monomyarian
Isomyarian
Dimyarian
/413 1 Contd.
3. The stratigraphic units based on the interpretation of invisible units such
as time are called
Subjective units
Objective units
Facies
Biostratigraphic units
4. Which of the following is the oldest succession?
Ophiceras zone
Meekoceras zone
Octoceras zone
Hedenstroemia beds
5. Which of the following groups belongs to Vindhyan Supergroup?
Cheyair Group
Kolhan Group
Talchir Group
Semri Group
SECTION—B
Marks 15
Write short notes on the following 3×5=15
1. Petrifaction
2. Morphology of brachiopods
3. Principles of stratigraphy
4. Extra-peninsular India
5. Dharwar Supergroup
GEOL/IV/04/413 2 Contd.
PART B—DESCRIPTIVE
Marks 35
The figures in the margin indicate full marks for the questions
Answer five questions, taking one from each Unit
Unit—I
1. Describe in detail the bathymetric distribution of organisms. 7
2. Give an account on the incompleteness of fossils record. 7
Unit—II
3. Describe the morphological features of trilobites with neat labelled
diagram. Add a note on their geological distribution.
4. Write notes on the following 3½×2=7
Morphological characteristics of class Gastropoda
Geological distribution of Anthozoa
Unit—III
5. Describe the dual stratigraphic classification with suitable examples. 7
6. Write notes on the following 3½×2=7
Geological timescale
Palaeontological criteria for stratigraphic correlation
GEOL/IV/04/413 3 Contd.
Unit—IV
7. Describe in detail about K-T boundary problems. 7
8. Write notes on the following 3½×2=7
Siwalik System
Jurassic of Kutch
Unit—V
9. Discuss the classification, lithology and economic significance of Vindhyan
Supergroup. 7
10. Write notes on the following 3½×2=7
Salkhala Group
Lithology of Dharwar Supergroup