Human Reproduction Question 237
Question: When huge amount of sewage is dumped into a river, the BOD will [CBSE PMT 1995]
Options:
A) Increase
B) Remain unchanged
C) Slightly decrease
D) Decrease
Show Answer
Answer:
Correct Answer: A
Solution:
The degree of pollution is directly proportional to BOD, therefore more the organic pollution (Specially sewage), the more would be BOD of water.
BETA
