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
Deforestation generally decreases due to :
Rainfall.
Soil erosion.
Drought.
Global warming.
Which of the following is the most important natural resource of energy ?
Electricity.
Biogas.
Fossil fuel.
Atomic fission.
What is the forest area in India ?
9% of geographical area.
19% of geographical area.
29%of geographical area.
37%of geographical area.
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.
Fresh water wetlands where trees or shrubs dominate is called :
Swamps.
Riverine.
Marshes.
None of the above.
Resource available in unlimited quantity on earth.
Exhaustible resources
Natural resource
inexhaustible resources
None of these
Range land refers to :
Wetland.
Grass land.
Desert.
Dry land.
Silent Valley has been preserved as it has :
Rare plants and animals.
Valuable timber plants.
Recreational value.
Natural forests.
