1. What is the best way of water purification? a)Water purifying installation b)Dam lakes c)Growing nonolluting humans.
2.What would you do to keep spring waters clean? a)Warn people not to pour waste oil in to their washbasin. b)Forbid making picnic around springs. c) Educate people about “how to keep water clean”
3.What is the most polluting activity of humanbeing? a)factory wastes b)petrol c)throwing wastes into seas and rivers directly
4.How does water pollution affect the eco system? a)It makes the ground unfruitful b)Restricts all human, plant and animal life. c)Some animal kinds become extinct.
5.What are the most common diseases caused by polluted water? a)typhoid fever b)cholera c)dysentery
6.What would you contrive to stop water polluton if you were an inventor? a)Robot fish that clean water. b)I would send to human brains a frequency that educates about water pollution. c)A bacteria that cleans water.
7.Which one is the healtiest? a)Water in plastic bottle b)Water in glass c)Tap water
8.What results will occure because of water pollution in future? a)Wars for water b)Posterities willh have no idea about marine animals. c)Epidemics
9.How can we save water? a)Mounting water limiter to washing machines. b)Washing fruits and vegetables in a bowl not under tap c)Watering the plants with well water