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प्रश्न
Increased concentration of DDT in fish-eating birds is due to ______.
विकल्प
eutrophication
bio-magnification
cultural eutrophication
accelerated eutrophication
MCQ
रिक्त स्थान भरें
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उत्तर
Increased concentration of DDT in fish-eating birds is due to bio-magnification.
Explanation:
DDT is a non-biodegradable pesticide that accumulates in organisms. Its concentration increases at higher trophic levels in the food chain, a process known as biomagnification, leading to high levels in fish-eating birds.
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