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WorksheetsWater Pollution and water sources
Total questions: 10
Worksheet time: 6mins
Water pollution is caused by ___________
oil spills
sewage
industrial waste
agricultural waste and chemicals
all of the above
What percentage of Earth is water?
50%
25%
71%
90%
The longest river in the world is ______________
Ganga river
Amazon river
Nile river
None of the above
The shortest river in the world is __________
Narmadha river
Tapti river
Murray river
Roe river
Ganga is a ____________ fed river.
snow
rain
lake
none of the above
Mahanadi flows through the state of _________
Orissa
Tamil Nadu
Rajasthan
Jammu and Kashmir
____________ flows through China before entering India.
Ganga river
Brahmaputra river
Kaveri river
Yamuna river
When harmful chemicals and other substances enter into water sources making it unfit for drinking or harmful to the living things in it, it is called _____________
water pollution
air pollution
land pollution
noise pollution
The place where the river meets the ocean or the sea is called _______________________
source of the river
mouth of the river
meanders
waterfall
Rivers are the lifeline of civilisation. They are useful in ______ ways.
water for drinking and agriculture
water for producing electricity
water transportation
all of the above
