Question

Draw the flow chart and explain it with respect to DDТ.

Answer 1

Flowchart: Impact of DDT

1. DDT Sprayed as Pesticide

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2. Absorbed by Soil and Water

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3. Enters Food Chain (Bioaccumulation)

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4. Increases at Higher Trophic Levels (Biomagnification)

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5. Harmful Effects on Wildlife and Humans

Explanation:

DDT enters the environment through pesticide use, accumulates in organisms (bioaccumulation), and increases in concentration as it moves up the food chain (biomagnification). This leads to harmful effects such as eggshell thinning in birds and health issues in humans.