M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Geology
STRATIGRAPHY AND PALAEONTOLOGY
(CBCS 2015 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. What is meant by stratigraphic scale?
2. Define Lithostratigraphy.
3. What are megafossils?
4. What are called Purana rocks?
5. Define stratigraphic age.
6. What do you understand by Deccan volcanism?
7. Define organic evolution.
8. List any four floras of Gondwana.
9. Write a note on reptiles.
10. What are microfossils?
Sub. Code
5MGE1C3
AFF-5074
2
Ws20
Part B x 5 25)
Answer all questions choosing either or
11. Enumerate stratigraphic principles.
Or
Explain homotaxis.
12. Give a brief account of Cambrian and salt range.
Or
Write a short account on Triassic of Spiti.
13. Explain inter and infra trappean beds.
Or
Elaborate boundary problems in stratigraphy.
14. Briefly explain the history and concepts of
evolution.
Or
Bring out the stratigraphic importance of
ammonites.
15. Write down the evolutionary history of horse.
Or
Outline micropaleontological techniques.
AFF-5074
3
Ws20
Part C 10 30)
Answer any three questions.
16. Give an account on the causes of imperfection in
geological records.
17. Describe Precambrian formations and its paleontological
significance.
18. Discuss the boundary problems between Precambrian
and the Cambrian formations of India.
19. Write an essay on Graptolities with reference to its
morphology, evolution and stratigraphic importance.
20. Write a detailed account of the stratigraphic, ecological
and paleontological significance of foraminifera.
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