IGNOU MGG 13 SOLVED ASSIGNMENT

Included:

MGG 013 (July 2025 - January 2025) - ENGLISH

TUTOR MARKED ASSIGNMENT

Oceanography

Course Code: MGG-013

Assignment Code: MGG-013/TMA/2025-26

Maximum Marks: 100

Part-A

All Questions are compulsory and carries 10 marks each.

1) Explain the evolution of Oceanography as a science.

2) Critically discuss the continental drift theory of Wegener with respect to the origin of continents and oceans.

3) Discuss in detail the currents of Atlantic Ocean and their effects on the coastal weather conditions.

4) Explain the factors leading to sea level changes and discuss its impact on ocean processes.

Part-B

All Questions are compulsory and carries 10 marks each

5) What is Coastal Regulation Zone (CRZ)? Discuss the salient features of Coastal Regulation Zone of 2011.

6) What are coral reefs and its types? Explain the Glacial Control Theory regarding the formation of coral reefs.

7)What are tides? Discuss any two theories related of the origin of tides.

Part-C

8) Write Short notes on the following. All Questions are compulsory and carries 5 marks each.

a) Discuss any two factors affecting salinity of oceans giving examples for each.

b) What is Hypsographic curve?

c) Explain the Turbidity Currents Theory regarding the origin of Submarine Canyons.

d) Differentiate between volcanogenous and cosmogenous ocean deposits.

e) Discuss briefly the threats to fish resources.

f) Discuss any two techniques used for measuring ocean temperature.

Note: Enhance your answer with neat sketches wherever needed.

MGG 013 (July 2026 - January 2027) - ENGLISH

ASSIGNMENT
Oceanography
Course Code: MGG-013
Assignment Code: MGG-013/TMA/2026-27
Maximum Marks: 100
Part-A
All Questions are compulsory and carries 10 marks each
1) Discuss the different eras of Oceanographic exploration.
2) Discuss the Planetesimal and Tetrahedral Hypothesis regarding the origin of continents
and oceans.
3) Discuss in detail the currents of Indian Ocean and their effects on the coastal weather
conditions.
4) Discuss the causes and consequences of coastal bleaching.
Part-B
All Questions are compulsory and carries 10 marks each
5). What is the significance of density of ocean water? Discuss the vertical distribution of
density of the oceans.
6) What are coral reefs and its types? Describe the Darwin’s Subsidence Theory regarding the
formation of coral reefs.
7) What are tides? Differentiate between spring tides and neap tides. Discuss the equilibrium
theory regarding of the origin of tides.
Part-C
8) Write Short notes on the following. All Questions are compulsory and carries 5 marks
each.
a) Submarine density currents theory.
b) Pelagic Deposits.
c) Major fishing regions of the world and the importance of fish resources.
d) Two factors affecting horizontal distribution of temperature in the oceans.
e) Oceanic salinity.
f) Exclusive Economic Zone (EEZ)
Note: Draw figures wherever necessary

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