What is the main consequence of agricultural pesticide runoff into aquatic ecosystems?

Type: MCQ • Marks: 1

A. Freezing lakes

B. Algal blooms, fish kills, and disruption of aquatic food webs (eutrophication/toxicity)

C. Water purification

D. Increased oxygen

Explanation

Pesticides and fertilizer runoff poison aquatic life and trigger ecological imbalances.

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Class 9th Science (MCQ)

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