Those species, whose population have been seriously depleted and whose ultimate security is not assured, are known as :
Threatened species.
Endangered species.
Vulnerable species.
Rare species.
What is the average residence time of water in the air ?
12 Days.
5 Days.
10 Days.
15 Days.
Which is the first National Park of India ?
Kanha National Park.
Periyar National Park.
Corbett National Park.
Bandipur National Park.
Range land refers to :
Wetland.
Grass land.
Desert.
Dry land.
When does the Social forestry program started ?
1979
1976
1977
1978
Which is the renewable source of energy ?
Biomass.
Coal.
Petroleum.
Kerosene.
Which of the following pairs of an animal and a plant represent endangered organisms in India?
Bentinckia nicobarica and red panda
Tamarind and rhesus monkey
Banyan and black buck
Soil fertility is reduced by :
Crop rotation.
Nitrogen fixing bacteria.
Decaying organic matter.
Intensive agriculture.
Resource available in unlimited quantity on earth.
Exhaustible resources
Natural resource
inexhaustible resources
None of these
