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Answer: 4. Bio-fortification

Key idea: Breeding crops for higher vitamins, minerals, proteins and healthier fats is called biofortification.

Bio-accumulation and bio-magnification refer to build-up of toxins in organisms and along food chains. Bio-remediation means using organisms to clean up pollutants.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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