BGYCT-137 · June 2022 · English

IGNOU BGYCT-137 June 2022 Previous Year Question Paper

STRATIGRAPHY AND PALAEONTOLOGY

Structured previous year question paper for BGYCT-137, June 2022 session.

Max marks: 50 · Questions: 4

Verified: 10 Aug 2026

BACHELOR OF SCIENCE (GENERAL)

(BSCG)

Term-End Examination

June, 2022

BGYCT-137 : STRATIGRAPHY AND

PALAEONTOLOGY

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) List the periods of Palaeozoic era.

(b) List the key morphological features of brachiopods.

(c) What is correlation ? List the main methods of correlation.

(d) List the key morphological features of radiolarians.

(e) Name the important cratons of the Indian peninsula.

(f) Define the terms suture and spire of gastropods.

(g) What is the basis for division of Dharwar into two blocks ?

(h) Define trace fossil.

(0) Name any four formations of the Palaeozoic succession of Kashmir in their ascending order. Gj) List the four groups of plants.

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

(a) Biostratigraphic units

(b) Dinoflagellates

(c) Cephalopod molluscs

(d) Modern horse

(e) Lesser Himalaya

(f) Stratigraphy of the upper Siwalik group

(g) Stratigraphy of neogene sequences of Assam

(h) Original Horizontality

Q3.Answer any one of the following : 10

(a) Discuss the morphology and _ geological history of brachiopods.

(b) Discuss in detail the stratigraphy of Cuddapah supergroup.

Q4.Answer any one of the following : 2x5=10

(a)

(i) What are microfossils ? Discuss various types of microfossils.

(1) Give an account on the mobile belts of peninsular India.

(b)

(i) What is Taxonomy ? How are the organisms arranged in taxonomic hierarchy ? Gi) Discuss the Triassic succession of Spiti.