मराठी

Define biological magnification.

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प्रश्न

Define biological magnification.

व्याख्या
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उत्तर

Biological magnification is a phenomenon in which certain non-biodegradable pollutants accumulate in tissues at increasing concentrations at successive trophic levels along the food chain. For example, DDT concentration increases from 0.003 ppb in water to 5 ppb in fish-eating birds.

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पाठ 20: Environmental Issues - EXERCISES [पृष्ठ ११६०]

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सरिता अग्रवाल Biology [English] Class 12 ISC
पाठ 20 Environmental Issues
EXERCISES | Q II. 14. | पृष्ठ ११६०
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