Home » water pollution mcqs » Foul smell in the water of tanks, ponds etc. is due to Water Pollution MCQs Foul smell in the water of tanks, ponds etc. is due to September 21, 2022 15 Views Q. Foul smell in the water of tanks, ponds etc. is due to AnaerobiosisAerobiosisBiological magnificationPsammophytes Answer: Anaerobiosis
