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WorksheetsWaste management
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
Examples of
inorganic impurities
a)
nitrates
b)
human wastes
c)
phosphates
d)
Amoeba
2.
Water for life
decade
a)
2009-2019
b)
2002-2012
c)
2005-2015
d)
2008-2018
3.
What trees should
be planted along sewage ponds?
a)
Eucalyptus
b)
Coconut
c)
Palm
d)
Mango
4.
What percent of
activated sludge is water?
What percent of
activated sludge is water?
a)
55%
b)
26%
c)
97%
d)
38%
5.
The clean water
which we can drink is called (a) .
6.
Chemical products
a)
Medicines
b)
Machine oils
c)
Insecticides
d)
Food remains
7.
Motor oil is a chemical product
a)
True
b)
False
8.
What all shouldn't be thrown in the drains
a)
Leftover food
b)
Solid wastes
c)
none of the above
d)
both of the above
9.
Some water borne diseases are-
a)
Typhoid
b)
Cholera
c)
Polio
d)
None of the above
10.
Examples of on site sewage disposal systems-
a)
Septic tanks
b)
Toilet
c)
Both of them
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