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.