Environment & Ecology

Waste Treatment Technologies

Environment & Ecology·MCQ Practice

Industrial Waste Treatment — MCQ Practice

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Version 1Updated 6 Mar 2026

Interactive MCQ Practice

Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 5 questions available.

Q1medium

Which of the following statements regarding the Water (Prevention and Control of Pollution) Act, 1974, is/are correct? 1. It established the Central Pollution Control Board (CPCB) and State Pollution Control Boards (SPCBs). 2. It mandates industries to obtain 'Consent to Operate' for discharging effluents. 3. It primarily deals with the control of air pollution from industrial sources.

Q2easy

Which of the following industrial waste treatment technologies primarily relies on microorganisms to break down dissolved organic matter? (A) Reverse Osmosis (B) Incineration (C) Activated Sludge Process (D) Chemical Precipitation

Q3medium

Consider the following statements regarding Zero Liquid Discharge (ZLD) systems: 1. ZLD aims to recover and reuse all water from industrial processes. 2. It typically involves a combination of advanced technologies like Reverse Osmosis and Evaporators. 3. ZLD systems are generally less capital-intensive and easier to operate than conventional ETPs. Which of the statements given above is/are correct?

Q4hard

The 'Polluter Pays Principle' was firmly established in Indian environmental jurisprudence by which of the following landmark judgments?

Q5medium

Which of the following is NOT a characteristic of hazardous waste as defined under Indian rules?

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