Exam 4: Environmental Issues and Pollution

What is the major cause of diminishing wildlife number?

Heavy dust can cause

Lead poisoning

Which of the radioactive material is largely associated with bone cancer

Red Data Book Provides data on

Earth summit was held in

Wild life is continuously decreasing. What is the main reason of this?

5th June is observed as

The occurrence of pesticides like DDT in higher trophic levels is termed as

Minamata disease was caused by pollution of water by

The unfavourable alteration of environment due to human activities is termed as

Viable material of endangered species can be preserved by

Pollutants that are introduced into the environment by human activity are called as

Which of the following is mainly responsible for the extinction of wild life

A river with high BOD value is

Noise is measured using sound meter and the unit is

Which of the following is the major cause of pollution

Cement factory labourers are prone to

All are physical pollutants except

All are primary pollutants except