GATE CE 2026 Set 2 — Question 29

MCQ+1 / -0.33EasyOxidation PondsWastewater Treatment ProcessesEnvironmental Engineering

Environmental Engineering → Wastewater Treatment Processes → Oxidation Ponds

Last updated 5 September 2026

Question

The grown algae are useful in the operation of

Correct answer (A) oxidation pond. Solution Oxidation ponds (also known as stabilization ponds) rely on a symbiotic relationship between aerobic bacteria and algae. Algae produce oxygen through photosynthesis, which is utilized by aerobic bacteria to decompose organic matter. In turn, the bacteria release carbon dioxide and nutrients that support algal growth. Turn this into a strength. Explore AI-powered practice and doubt support with Success Tracker.

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Correct answer (A) oxidation pond. Solution Oxidation ponds (also known as stabilization ponds) rely on a symbiotic relationship between aerobic bacteria and algae. Algae produce oxygen through photosynthesis, which is utilized by aerobic bacteria to decompose organic matter. In turn, the bacteria release carbon dioxide and nutrients that support algal growth.

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