Contents

Substances that cause pollution are called……
a) pollution                          

b) Polly
c) pollutants                        

d) all of these

c

Pollution is mainly caused by ………………...
a) Animals                                           

b) Trees
c) People                                              

d)Birds

c

Three main kind of pollution are:
PST–P-3---(date not confirm)
a) Air, oil and land              

b) Air, water and land
c) CO2, water and land      
d) Air , water and industries

b

There are……..main kinds of pollution.
a) 2        

b) 3                        

c) 4        

d) 5

b

The main cause of air pollution is…………….
a) Burning of fuels                            

b) Cutting of forest
c) Use of Fertilizers                             

d) none of these

a

Which of the following produce harmful gases
a) Plants                                               

b) Animals           
c) Motor vehicles                               

d) all of these

c