Question

The water in open wells, dug wells and tanks are highly polluted with

• A. Se
• B. As
• C. Cr
• D. All of the above

Answer 1

The correct option is D All of the above

In Patancheru the movement of pollutants with the groundwater in the downstream direction has damaged the hydrological system and increased the geo-accumulation of pollutants in the biota. Open wells, dug wells and tanks have become useless due to the high concentrations of Cu, Se, As, B, Cr, and Fe. Thus, the correct answer is option D.