NEET BIOLOGY

Detailed explanation-1: -Every day, around three million litres of sewage is emptied into the Ganges – and only about half of that has undergone any kind of treatment. The river’s waters are so dirty that it’s considered one of the most polluted waterways in the world.

Detailed explanation-2: -The untreated sewage dumped into the river, industrial waste, agricultural runoff, remnants of partially burned or unburned bodies from funeral pyres, and animal carcasses all contribute to polluting the Ganges. High levels of disease-causing bacteria and toxic substances have also been found in the Ganges.

Detailed explanation-3: -Plastic and industrial waste, such as wastewater from the factories that sit on the banks of the Ganga, is another cause of pollution. The most worrying problem facing the river is its increasing lack of water. Water for irrigation is being removed faster than the rainy season can replenish it.

Detailed explanation-4: -Pollution of industrial waste water caused by the discharge of harmful chemicals and substances into water, making it unsuitable for consumption and for other purposes.