BGYET-147 · December 2024 · English

IGNOU BGYET-147 December 2024 Previous Year Question Paper

GEOMORPHOLOGY AND GEOTECTONICS

Structured previous year question paper for BGYET-147, December 2024 session.

Max marks: 50 · Questions: 4

Verified: 10 Aug 2026

BACHELOR OF SCIENCE

(GENERAL)

(BSCG)

Term-End Examination

December, 2024

BGYET-147 : GEOMORPHOLOGY AND

GEOTECTONICS

Time : 2 Hours Maximum Marks : 50

Note : All questions are compulsory. Marks allotted

for each question are indicated against it.

Draw well-labelled diagrams, wherever

necessary.

Q1.Briefly answer any five of the following questions : 5x2=10

(a) What is uniformitarianism ?

(b) What is Applied Geomorphology ?

(c) Define Karstification.

(d) What is Caldera ?

(e) List the subdivisions of Himalaya.

(f) Differentiate between continental crust and oceanic crust.

(g) List the land masses where paleontological evidences have been found that support continental drift theory.

(h) Differentiate between paramagnetic and ferromagnetic materials.

(i) Name any four major continental plates. G) List the tectonic features of the Indian Ocean.

Q2.Write short notes on any four of the following : 4x5=20

(a) Advantages of using geomorphological data

(0) Airy’s hypothesis of isostasy

(c) Root wedging

(d) Any five notable landforms of India which are of major tourist attractions

(e) Precambrian shields

(f) Geomagnetic coordinates

(g) Mantle plumes

(h) Benioff zone

Q3.Answer any one of the following : 1x10=10

(a) Discuss in detail the evolution of the Himalaya.

(b) Give an account of the proterozoic suture zones and faults of Peninsular India.

Q4.Discuss in detail the fundamental concepts of geomorphology enumerated by W. 9. Thornbury. 10

(a) Discuss the landforms similar to volcanic landforms. 5

(b) Give an account of geomorphic evolution of river basin. 5 aif!