BGYET-147 · June 2023 · English
IGNOU BGYET-147 June 2023 Previous Year Question Paper
GEOMORPHOLOGY AND GEOTECTONICS
Structured previous year question paper for BGYET-147, June 2023 session.
Max marks: 50 · Questions: 4
Verified: 10 Aug 2026
BACHELOR OF SCIENCE (GENERAL)
(BSCG)
Term-End Examination
June, 2023
BGYET-147 :GEOMORPHOLOGY AND
GEOTECTONES
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 : 5x2=10
(a) Define uniformitarianism.
(b) Define topographical map.
(c) List the factors controlling geomorphic processes. [2] BG YET -147
(9) What do you understand by pediment ?
(e) What are the causes of sea-level change ?
(f) Define Geotectonics.
(g) List four epochs of geomagnetic time scale.
(h) What is natural remanent magnetization ?
(i) Define a tectonic plate. G) What is central Indian suture zone ?
Q2.Write short notes on any four of the following : 4x5=20
(a) Geomorphology of the Himalayan region.
(b) Discuss any five fundamental concepts of geomorphology.
(c)_ Types of glaciers.
(d) Types of lakes.
(e) Geotectonic features of continents.
(f) Marine magnetic anomalies. [3] BG YET -147
(g) Mantle plumes.
(0) Geotectonic history of the India plate.
Q3.Answer any one of the following : 1x10=10
(a) Discuss in detail, the role of tectonics and climate in the development of landforms. Add a note on the anthropogenic impacts as landscape.
(b) Describe landforms formed along convergent and divergent plate margins.
Q4.What is seafloor spreading ? Discus the mechanisms of seafloor spreading. 10
(a) Describe the processes operating at convergent plate boundaries. 5
(b) Discuss in detail, tectonic divisions of the Himalaya with the help of a neat well- labelled diagram. 5 [4] BG YET -147 ARE FAL) [7] BG YET -147