Topic: 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.
2. Evaluate the impact of global warming on the coral life system of the world with examples. (250 words)
Reference: The Hindu
Why the question:
The article brings to us the dismal picture of the impact of global warming on the coral reef system.
Key Demand of the question:
Discuss the impact of global warming on the coral life system of the World with examples.
Directive:
Evaluate – When you are asked to evaluate, you have to pass a sound judgement about the truth of the given statement in the question or the topic based on evidences. You have to appraise the worth of the statement in question. There is scope for forming a personal opinion here.
Structure of the answer:
Introduction:
Start with some key facts related to effect of global warming on coral reefs across the world.
Body:
Explain how is coral affected by climate change and global warming? – When conditions such as the temperature change, corals expel the symbiotic algae living in their tissues, responsible for their color. A spike of 1–2°C in ocean temperatures sustained over several weeks can lead to bleaching, turning corals white. If corals are bleached for prolonged periods, they eventually die.
Give examples to justify your argument.
Conclusion:
Suggest solutions and conclude with way forward.
