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Biology 10 Chapter 16
Man and His Environment - 9
1.
Enrichment of water with inorganic nutrients is called?
a) Water pollution
b) Water contamination
c) Water depletion
d) Eutrophication
2.
Inorganic material from sewage and fertilizers cause?
a) Water contamination
b) Eutropticention
c) Algal blooms
d) Water depletion
3.
Cholera and gastroenteritis is mainly due to?
a) Air pollution
b) Water pollution
c) Global Warming
d) Acid rain
4.
Which are is the base of growth of producers?
a) Atmosphere
b) Air
c) Water
d) Soil
5.
Which one is renewable resource?
a) Fossil fuel
b) Petroleum
c) Air
d) Minerals
6.
Which are is non-renewable resource?
a) Air
b) Water
c) Mineral
d) Soil
7.
The R1 procedure for the conservation of nature is?
a) Recycle
b) Reduce
c) Rescue
d) Reuse
8.
The R2 procedure for the conservation of environment is?
a) Reduce
b) Recycle
c) Reuse
d) Rescue
9.
The sequence of 3 RB is?
a) Reduce - Recycle - Rescue
b) Reduce - Reuse - Recycle
c) Recycle - Reduce - Reuse
d) Recycle - Reuse - Reduce
10.
Recycling of one ton paper can save?
a) 1.7 trees
b) 19 trees
c) 17 trees
d) 1700 trees
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