Previous Year Question Paper (2025)
2025
GEOGRAPHY — HONOURS
Paper : DSCC-3
(Geotectonics)
Full Marks : 75
Category - A
Answer any ten questions (each within 50 words).
2 × 10
1. What do you mean by relative dating?
2. What is epoch? Give example.
3. What is level of compensation in isostasy?
4. What do you mean by lithospheric plate?
5. What is subduction?
6. What is Conrad discontinuity?
7. What is oceanic trench? Give example.
8. Name two young fold mountains of the world.
9. Why are conservative margins same as transform faults?
10. Define a stratovolcano.
11. What is Guyot?
12. What is Salfatora?
13. Define geosyncline.
14. What is chevron fold?
Category - B
Answer any five questions (each within 125 words).
5 × 5
15. What are the different methods of absolute dating of rocks?
16. Why the Pleistocene has special significance in the geological time scale?
17. How far Airy's concept of isostasy is applicable in explaining the large scale continental irregularities?
18. State the forces that cause plate movement.
19. Define the different parts of a fold with the help of diagrams.
20. Explain the formation of rift basins with the help of diagrams.
21. Differentiate between central eruption and fissure eruption.
Category - C
Answer any two questions (each within 500 words).
15 × 2
22. Discuss the different phases of formation and structural differentiation of the earth.
23. Discuss the tectonic events that take place along divergent plate margins and describe the resulting landforms.
24. Classify faults with suitable diagrams.
25. Discuss the morphometric indices that are used to identify tectonic activities.