The largest number of Tiger Reserves are located in:

Which of the following problems is not created by noise pollution?

 Environmental Protection Act enacted on

The disease "Itai Itai" is caused by;

 Olireculture deals with______?

 Human being can hear range of sound frequency between

Full form of COD is;

World Ocean Day is celebrated at

Layer of atmosphere in which Ozone layer lies is

 In Atmosphere nitrogen consists of;

Under the Motor Vehicles Act, the noise range of horns has been fixed at?