Contents

When we dump waste in water oceans and lakes it leads to…
a) air pollution     

b) water pollution
c) land pollution                  

d) none of these 

b

Which of the following are the main source of water pollution?
a) agricultural waste

b) domestic waste
c) sewage                                              

d) all of these

d

Which of the following river’s dolphin is the rarest type of dolphin in the world?
a) Indus river                     

b) Jhelum River
c) Chenab river                   

d) none of these

a

In industrial area toxic water is released into nearby streams, wells and rivers leads to…
a) water pollution                              

b) air pollution
c) land pollution                  

d) noise pollution

a

Which of the following disease occurs in human when consumes fish contaminate with high level of mercury?
a) syndrome                        

b) anesthesia
c) diarrhea                            

d) Minimata

d

How many people do not have access to safe water according to WHO report in 2017?
a) 2.5 billion                         

b) 2.2 billion
c) 2.1 billion                        

d) 3 billion

c