Tag: zoology
Questions Related to zoology
Aquatic life is damaged by
Rise in temperature due to heat from power plant and industries is known as
In an oil trap formed by an anticline, _____________ accumulates on top, ____________ in the middle, and ____________ at the bottom
Nitrogen in sewage indicates presence of
'COD' test is carried out to determine pollutional strength of
Ultimate environmental hazard to mankind is due to
Chief source of water and soil pollution is
Harnessing of nuclear energy often causes __________ pollution
Stiffback and fixed joint disease in human beings is due to
Which of the following is main factor in water pollution?