BGYET-147 · December 2023 · English
IGNOU BGYET-147 December 2023 Previous Year Question Paper
GEOMORPHOLOGY AND GEOTECTONICS
Structured previous year question paper for BGYET-147, December 2023 session.
Max marks: 50 · Questions: 4
Verified: 10 Aug 2026
BACHELOR OF SCIENCE (GENERAL)
(BSCG)
Term-End Examination
December, 2023
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 questions of the following : 5×2=10
(a) What is uniformitarianism ?
(b) List the drainage patterns.
(c) What are mid-oceanic ridges ?
(d) What is fluvial geomorphology ?
(e) Give three evidences to prove that Earth is a dynamic planet. [ 2 ] BGYET–147
(f) Which places on the Earth do you expect maximum and minimum Coastal thickness ?
(g) List three types of plate movements.
(h) Types of magnetic polarity.
(i) Define palaeomagnetism. (j) Causes of geomagnetism.
Q2.Write short notes on any four of the following : 4×5=20
(a) Geomorphic cycle
(b) Physical weathering
(c) Constitution of a volcanic cone
(d) Erosional glacial landforms
(e) Constitution and bulk composition of the Earth
(f) Evidences in favour of continental drift theory
(g) Polar wandering
(h) Triple junction
Q3.Answer any one of the following : 1×10=10
(a) Discuss the main geomorphi c divisions of India.
(b) Discuss the Aeolian landforms.
Q4.(a) Define Palaeomagnetism. Discuss how it is preserved in rocks. Add a note on normal and reversed polarities in geomagnetism.
(b) With the help of neat diagrams, explain the constitution of lithosphere and asthenosphere. Discuss the ir role in plate tectonics. Add a note on mantle plume and its role in plate tectonics.