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Question
Increased concentration of DDT in fish-eating birds is due to ______.
Options
eutrophication
bio-magnification
cultural eutrophication
accelerated eutrophication
MCQ
Fill in the Blanks
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Solution
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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