Question
Download Solution PDFA septic tank is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Septic Tank
A septic tank is a key component of an on-site sewage treatment system, primarily used in areas where centralized sewer systems are not available. It operates using anaerobic processes to treat sewage.
Analyzing the Given Options
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Option 1: "An aerobic method of on-site sewage treatment." (Incorrect)
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Explanation: Aerobic methods require oxygen for microbial breakdown of waste. A septic tank primarily operates under anaerobic conditions, where oxygen is not required.
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Option 2: "An anaerobic method of on-site treatment." (Correct)
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Explanation: Septic tanks rely on anaerobic bacteria to break down organic matter in the absence of oxygen. This is the correct description of how a septic tank functions.
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Option 3: "A physical method of water treatment." (Incorrect)
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Explanation: While septic tanks may involve some physical processes like sedimentation, their primary function is biological treatment using anaerobic microorganisms.
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Option 4: "A physiochemical method of water treatment." (Incorrect)
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Explanation: Physiochemical treatment involves chemical reactions or physical processes, which are not the main mechanism in septic tanks. Septic tanks are based on biological anaerobic processes.
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Correct Answer: Option 2
Last updated on Jul 22, 2025
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