BGYET-147 · June 2022 · English
IGNOU BGYET-147 June 2022 Previous Year Question Paper
GEOMORPHOLOGY AND GEOTECTONICS
Structured previous year question paper for BGYET-147, June 2022 session.
Max marks: 50 · Questions: 4
Verified: 10 Aug 2026
BACHELOR OF SCIENCE (GENERAL)
(BSCG)
Term-End Examination
June, 2022
BGYET-147 : GEOMORPHOLOGY AND
GEOTECTONICS
Time : 2 Hours Maximum Marks : 50
Note : All questions are compulsory. Marks allotted
for each questions are indicated against it.
Draw well -labelled diagrams, wherever
necessary.
Q1.Briefly answer any five questions of the following : 5×2=10
(a) Define landform.
(b) What is isostasy ?
(c) Differentiate between current and wave.
(d) What is lake eutrophication ?
(e) List the causes of glaciation.
(f) Differentiate between inner core and outer core.
(g) What do you mean by geometric fit of continents ?
(h) What are normal and reversed ma gnetic polarities ?
(i) Differentiate between lithosphere and asthenosphere. (j) What are ophiolites ?
Q2.Write short notes on the any four of the following : 4×5=20
(a) Geomorphic cycle
(b) Geomorphology of Indian Peninsula
(c) Drainage patterns
(d) Karstification
(e) Atlantic and Andean style of continental plate margins
(f) Criticism of continental drift hypothesis
(g) Triple junction
(h) Tectonic features of the Indian Ocean [ 3 ]
Q3.Answer any one of the following : 1×10=10
(a) Explain in detail constructional and destructional geomorplic processes giving suitable examples.
(b) Describe depositional fluvial landforms with the help of neat well labelled diagrams.
Q4.What do you understand by seafloor spreading ? Describe evidence supporting the hypothesis of seafloor spreading. 10
(a) Discuss Indian -Eurasian collision in light of the theory of plate tectonics. 5
(b) What are mobile belts ? Briefly explain various types of Proterozoic mobile belts of Peninsular India. 5 2022 -147 4×5=20 1×10=10 [ 7 ]