Q) What is the Pacific Decadal Oscillation (PDO)? Describe various phases of it. (10 marks, 150 words)
प्रशांत दशकीय दोलन क्या है? इसके विभिन्न चरणों का वर्णन कीजिए।
Demand of question: Candidates need to be aware of different geophysical phenomena in detail. This question tests the detailed understanding of the Pacific Decadal Oscillation.
Directive Keyword:
Describe– When you’re asked to describe something, it means you need to write a thorough explanation that covers the question’s details, including the “how” and “why” aspects.
Structure of the Answer:
Introduction: Give a current context as to why this was in the news recently.
Body:
- Firstly, explain what Pacific Decadal Oscillation is.
- Next, explain its various phases in detail.
- Remember, to give separate subheadings for each of the parts.
Conclusion: Highlight the importance of keeping track of such geophysical phenomena and what the world and India is doing in this respect.
Part of the Syllabus: Paper-1 Geography (Important Geophysical Phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc., geographical features and their location-changes in critical geographical features (including water-bodies and ice-caps) and in flora and fauna and the effects of such changes)