BGYCT-131 · June 2025 · English

IGNOU BGYCT-131 June 2025 Previous Year Question Paper

PHYSICAL AND GENERAL GEOLOGY

Structured previous year question paper for BGYCT-131, June 2025 session.

Max marks: 50 · Questions: 4

Verified: 10 Aug 2026

BACHELOR OF SCIENCE

(GENERAL)

(BSCG/BSCM)

Term-End Examination

June, 2025

BGYCT-131 : PHYSICAL AND

STRUCTURAL GEOLOGY

Time : 2 Hours Maximum Marks : 50

Note: All questions are compulsory. Marks

allotted for each question are indicated

against it. Draw well labelled diagrams,

whenever necessary.

Q1.Answer very briefly any five of the following : 5x2=10

(a) Define Geology.

(b) What are primary waves ?

(c) What is Conrad discontinuity ?

(9) How do you define a _ bed in sedimentary rock ?

(e) What is the relation between dip and strike ?

(f) Differentiate between horst and graben.

(g) What is exfoliation ?

(h) How is loess formed ?

(0) Draw a well-labelled diagram of soil profile. G) List any two mechanisms that cause river erosion.

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

(a) Recording of an earthquake

(b) Types of mass wasting

(c) Effects of volcanism

(d) Importance of Structural Geology

(e) Planar structures

(f) Elements of folds

(g) Factors affecting soil formation

(h) Uncomformity

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

(a) Describe the depositional landforms developed by glacial action with the help of neat and_ well-labelled diagrams.

(b) Discuss the geometrical classification of folds with the help of neat and well- labelled diagrams.

Q4.Answer any one of the following: 5+5=10

(a)

(i) Discuss briefly different branches of Geology. Gi) Why is the constructive plate boundary known as_ divergent boundary ? Explain with the help of neat and _ well-labelled diagram.

(b) (४9) Describe briefly the evidences of sea floor spreading.

(ii) Discuss briefly the basic methods adapted to study Earth’s interior. 5x2=10 ART |