What is biomagnification (biological magnification)?

Type: MCQ • Marks: 1

A. Growth of large animal populations

B. Plant photosynthesis increase

C. Microscopic cell expansion

D. Increase in concentration of toxic substances (like heavy metals or pesticides) up the food chain

Explanation

Pollutants magnify in concentration at higher trophic levels of food webs.

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Class 9th Science (MCQ)

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