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Question
Name the following
An agricultural pollutant in water
Solution
Insecticides.
RELATED QUESTIONS
Do you know of any activity which may be polluting this water source?
Have you ever observed any water pollution in your area? What measures would you suggest to control it?
What do you mean by Biochemical Oxygen Demand (BOD)?
A large number of fish are suddenly found floating dead on a lake. There is no evidence of toxic dumping but you find an abundance of phytoplankton. Suggest a reason for the fish kill.
Classify the given sources of water pollution as natural and manmade:
(1) domestic waste
(2) dead animals
(3) oil spills
(4) ashes released due to forest fires
Give an account of various sources and harmful effects of water pollution.
List two major harmful effects of the following:
Rivers contaminated with sewage.
How can we reduce water pollution?
Mark the example which is not correctly matched?
BOD is measure of ______.
