75 Days Mains Revision Plan 2024 – World Geography
World Geography
Q1. What are the major tectonic plates involved in the formation of the Ring of Fire, and how do their movements affect seismic activity? 10M
Key demand of the question
Identify the major tectonic plates that contribute to the Ring of Fire and explain how their interactions and movements lead to significant seismic and volcanic activity.
Structure of the answer:
Introduction:
Introduce the Ring of Fire, noting its significance as a major area of volcanic and seismic activity encircling the Pacific Ocean. E.g. Taiwan Earthquake
Body:
- First mention the major tectonic plates involved in formation of ring of fire like pacific plate, north American plate, Eurasian plate etc.
- Afterwards mention how movements of these tectonic plates are responsible for the high levels of seismic activity in the Ring of Fire.
- Briefly mention its effect.
Conclusion
Highlight the importance of understanding these geological processes for disaster preparedness and risk mitigation.
Q2. How do tropical and cold-water corals develop, and what anthropogenic factors have led to their deterioration? 15M
Key demand of the question
Explain the developmental processes of tropical and cold-water corals and to identify and analyze the human activities that have led to their deterioration.
Structure of the answer:
Introduction:
Introduce corals, mentioning their ecological importance and diversity. Briefly distinguish between tropical and cold-water corals.
Body:
- First, mention the conditions that are conducive for formation of tropical corals like tropical corals form in shallow, warm waters, primarily in the photic zone, their symbiotic relationship with zooxanthellae etc.
- Likewise mention the conditions for formation of cold water corals – develop in deeper, colder waters, often in the aphotic zone, lack of symbiotic algae, slower growth rates compared to tropical corals.
- Then, mention the anthropogenic factors that have led to their decline – climate change, pollution, destructive fishing practices, coral harvesting etc.
Conclusion
In conclusion, highlight the need for urgent action to mitigate anthropogenic impacts and to protect these vital marine ecosystems for future generations.
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