B.Sc. DEGREE EXAMINATION, APRIL 2018
Second Semester
Geology
PALAEONTOLOGY AND GENERAL STRATIGRAPHY
(CBCS 2011 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Define Palaeontology.
2. Neat sketch on fossil Texularia.
3. Geological history of Crinodea.
4. What is meant by dentition?
5. What is adductor impression?
6. Define Gastropoda.
7. Give two geological importance of trilobite.
8. Phacops — Define.
9. Define the principles of stratigraphy.
10. Define Homotaxis.
Sub. Code
1BGE2C1
AFC-10651
2
WS4
Part B x 5 25)
Answer all questions by choosing either or
11. Outline the method of preservation of fossils.
Or
Habitat and Habits of animals — Describe.
12. Describe the classification of anthozoa.
Or
Outline the morphology of
Hemicidaris.
Holastar.
13. Write notes on evolution of Cephalopoda.
Or
Give a brief account on morphology of Pelecypoda.
14. Outline the Classification of Phylum Arthropoda.
Or
Write notes on the geological history of Trilobites.
15. Describe the geological time scale.
Or
Outline the various imperfections in geological
records.
AFC-10651
3
WS4
Part C x 10 30)
Answer any three questions.
16. Explain the morphological character of Foraminifera.
17. Explain the morphological and geological history of the
Echinodermata.
18. Write an essay on general morphological and geological
history of the Brachiopoda.
19. Describe the following fossils.
Glossopteris.
Gangamopteries.
Ptiloplyllum.
20. Enumerate the various principles of stratigraphy.
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