Human Reproduction Question 232

Question: Which one of the following organisms is used as indicator of water quality [CBSE PMT 1998, 2004; BVP 2001]

Options:

A) Biggiata

B) Chlorella

C) Azospirillum

D) Escherichia

Show Answer

Answer:

Correct Answer: D

Solution:

The presence of E.coli in the water indicates faecal pollution.