Topic: Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc., geographical features and their location-changes in critical geographical features.
1. Outline the relief of the ocean floor. Explain the reasons that make continental shelves one of the highly productive ecosystems. (250 words)
Reference: Geography NCERT – Class XI: Fundamentals of Physical Geography.
Why the question:
The question is part of the static syllabus of General Studies paper – 1.
Key Demand of the question:
Describing the relief features of the ocean floor and stating the reasons of high productivity of continental shelves.
Explain – Clarify the topic by giving a detailed account as to how and why it occurred, or what is the particular context. You must be defining key terms where ever appropriate, and substantiate with relevant associated facts.
Structure of the answer:
Start by briefly mentioning about relief of the ocean floor and its divisions.
In the first half of the body, continue by explaining ocean relief. Outline the major divisions of the relief floor and describe them. Use diagrams for better representation purpose.
Next, Mention the minor relief features of the ocean floor and explain them.
In the second part of the body, start by mentioning certain figures regarding the productivity of continental shelves with examples. Discuss in detail the reasons for high productivity of the continental shelves like high nuritent loads, vertical stability and shallowness etc.
Conclude by further summarising the overall economic importance of continental shelves.