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Topic: Conservation, environmental pollution and degradation, environmental impact assessment
5. Differentiate between Bio-accumulation, Bio-concentration and Bio-magnification with examples. Examine the impact of Bio-magnification. (250 words)
Difficulty level: Easy
Reference: Insights on India
Why the question:
The question is part of the static syllabus of General studies paper – 3 and mentioned as part of Mission-2022 Secure timetable.
Key Demand of the question:
To Differentiate between Bio-accumulation, Bio-concentration and Bio-magnification.
Examine – When asked to ‘Examine’, we must investigate the topic (content words) in detail, inspect it, investigate it and establish the key facts and issues related to the topic in question. While doing so we should explain why these facts and issues are important and their implications.
Structure of the answer:
Introduction:
Begin defining Bio-accumulation, Bio-concentration and Bio-magnification.
Body:
First, give examples of the all the above mentioned phenomenon in various terrestrial and aquatic systems.
Next, write about the impact of Bio-magnification – Persistent Pollutants, Buildup in Fats, permanently damage various body systems, impact of animals and birds etc.
Conclusion:
Conclude by mentioning various measures taken to tackle Bio-magnification.
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