WorksheetsWater Pollution
Total questions: 10
Worksheet time: 5mins
How to know water is polluted?
It is tasteless
It has ouder
It is crystal clear
It is ouderless
What are causes of water pollution?
Animals bathing in rivers
Using different methods to clean water
Spilling of oil in ocean
Both A and C
What are sources of water pollution?
Agricultural sources
Offices
Animals
Chemicals
How waste is produced by industries?
Making of paper
Reverse boring
Throwing clean water
Using water for cutting things in factories
How waste is produced by domestic sources?
Water used in cleaning vegetables
Sewage that contain both living and non-living sources
Running tap water
Water containing dust
How waste is produced by agricultural sources?
By watering the crops
Excessive use of water in growing of rice
Use of ground water
By using fertilizers which contain chemicals like nitrates and phosphorus
What are the other causes of water pollution?
Processing of metal
Spilling of oil in ocean
Making of electricity
throwing of plastic bottles and polybags in waterbodies
What type of chemicals or poisonous material used in industries?
Wood
Mercury
Fertilizers
Lead
Untreated sewage carries disease causing germs?
Bacteria
Amoeba
Fungi
Virus
What are the things that cause microorganism in untreated sewage?
Paper
Vegetable peels
Floor cleaner
Hair dye
