BGYCT-137 · December 2022 · English
IGNOU BGYCT-137 December 2022 Previous Year Question Paper
STRATIGRAPHY AND PALAEONTOLOGY
Structured previous year question paper for BGYCT-137, December 2022 session.
Max marks: 50 · Questions: 4
Verified: 10 Aug 2026
BACHELOR OF SCIENCE (GENERAL)
(BSCG)
Term-End Examination
December, 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) What is the difference between an angular unconformity and a disconformity ?
(b) List four key morphological features of corals.
(c) What are intertrappean and infratrappean beds ?
(d) List the important groups of fossils belonging to organic-walled microfossils.
(e) Name the five linear divisions of the Himalayas.
(f) List four key morphological features of nautiloids.
(g) Write about the life reported in the Cuddapah Supergroup.
(h) List the taxonomic hierarchy of humans in descending order.
(i) What is the main lithology of Triassic succession of Spiti ? G) List the important plant fossils of the Gondwana Supergroup of peninsular India.
Q2.Write short notes on any four of the following : 4x5=20
(a) Chronostratigraphic Units
(b) — Glossopteris
(c) Ammonoids
(d) Radiolarians
(e) Indo-Gangetic Plains
(f) Stratigraphy of the Lower Siwalik Group
(g) | Palaeogene Succession of the North-west Himalaya
(h) Uniformitarianism and Catastrophism
Q3.Answer any one of the following : 1x10=10
(a) Describe morphological features of a trilobite, with the help of neat sketches.
(b) Discuss in detail stratigraphy of the Vindhyan Supergroup.
Q4.Answer any one of the following : 10
(a)
(i) Discuss the role of climate in the evolution of horse.
(ii) Describe the Cretaceous succession of Tiruchirapalli.
(b)
(i) What are fossils ? Describe the types of fossils based on size.
(ii) Discuss the distribution of coastal regions of India.