Estuaries possess distinct blooms of excessive growth of a pigmented dinoflagellate. These blooms are called
9 questions from the UPSC 1998 examination.
9 questions
Estuaries possess distinct blooms of excessive growth of a pigmented dinoflagellate. These blooms are called
According to Meadows (1972), if the present trends in world population, industrialisation, pollution, food production and resource depletion continue unchanged, the “Limits to Growth” on our planet will be reached in the next
‘Eco mark’ is given to the Indian products that are
World Environment Conference to discuss global warming was held in 1997 in
Forest areas have been labelled as 1, 2, 3 and 4 in the rough outline map given. Among these, those which were threatened in 1997 by a serious epidemic include
Some people in Manipur live in houses built on floating islands of weeds and decaying vegetation held together by suspended silt. These islands are called
Indonesian forest fire in 1997 was caused by
The water pollution in river is measured by the dissolved amount of
A tree species in Mauritius failed to reproduce because of the extinction of a fruit-eating bird. Which one of the following was that bird?