Question

Which one of the following is the main polluter of Yamuna water in Delhi?

• A. Flood water spreading
• B. Dumping of domestic waste
• C. Use of pesticides
• D. Use of fertilizers

Hint:

Urban rivers like Yamuna get polluted mainly due to untreated domestic sewage and solid waste dumping in cities.

Answer 1

The Correct Option is B

The Yamuna river in Delhi suffers severe pollution mainly from domestic sewage and waste discharge. A large volume of untreated domestic wastewater enters the river, resulting in elevated organic pollution and degraded water quality.
Flood water spreading (A): Has a minor impact on pollution relative to direct waste disposal.
Dumping of domestic waste (B): Is the primary source of pollution, causing a reduction in dissolved oxygen and endangering aquatic ecosystems.
Use of pesticides (C) and fertilizers (D): Primarily impact water bodies through agricultural runoff, which is less significant for urban pollution in Delhi.Therefore, the correct answer is (B): Dumping of domestic waste.