Contents

Environmental pollution has caused:
a) global warming                               

b) land pollution
C) greenhouse effect          

d) all of these

d

Use of pesticides and fertilizers is causing…
a) air pollution                     

b) land pollution
c) water pollution                                

d) noise pollution

b

Major cause water pollution is…
a) chemicals                        

b) oil spillage
c) sewerage                          

d) all of these

d

Illuminated buildings are the examples of…
a) noise pollution                                

b) soil pollution
c) light pollution                  

d) air pollution

b

Ozone layer is present in…
a) stratosphere                   

b) troposphere
c) mesosphere                     

d) exosphere

a

The main reason for excessive use of natural resources is…
a) over population                            

b) energy
c) temperature                     

d) pressure

a