Water Pollution — Prelims Questions

Consider the following statements about water pollution in India: 1. Biochemical Oxygen Demand (BOD) is inversely related to the level of organic pollution in water 2. The Water (Prevention and Control of Pollution) Act, 1974 was enacted before the Environment Protection Act, 1986 3. Eutrophication is caused by excess nitrogen and phosphorus in water bodies 4. Thermal pollution primarily affects dissolved oxygen levels in water Which of the statements given above are correct?

Which of the following best describes the 'polluter pays' principle in the context of Indian environmental law?

Consider the following pairs: 1. Namami Gange Programme - ₹20,000 crores allocation 2. Central Pollution Control Board - Established under Water Act 1974 3. National Green Tribunal - Deals only with water pollution cases 4. Article 48A - Fundamental duty to protect environment How many pairs given above are correctly matched?

In the context of water quality monitoring, what does a high Chemical Oxygen Demand (COD) indicate?

Which of the following statements about the Ganga Action Plan is/are correct? 1. It was launched in 1985 as the first major river cleaning initiative 2. The plan achieved complete success in reducing Ganga pollution 3. It focused primarily on sewage treatment and industrial pollution control 4. The plan was replaced by Namami Gange Programme in 2014 Select the correct answer using the code given below: