The soil erosion can be prevented by
Over grazing
Deforestation
Afforestation
Natural predation
The fuel wood crisis can be overcome by
Better wood stoves
Greater afforestation
Efficient wood extractions
Using alternative energy sources like solar energy
Man and biosphere programme (MAB) was launched by
WPSI
IUCNNR
UNESCO
WHO
An excessive felling of trees leads to
Increase of fertility
Increases in soil erosion
Decrease in productivity
Both '1' and '3'
Afforestation (planting of tree in new areas) is done by
Eucalyptus
Bamboos
Exotic species
Indigenous plants
The trees occurring in two storeys is the characteristic feature of
Mediterranean scrub forests
Tropical savannah
Temperate deciduous forests
Northern coniferous forests
Which of the following is an example of biotic resource of energy?
Salts
Rocks
Water
Milk
Crop rotation is used by farmers to increase
Soil fertility
Community area
Organic content of soil
Nitrogenous content in the soil
In India, tropical rain forests are found in
Darjeeling
Karnataka
Andaman
Jammu & Kashmir
Savannas are
Desert
Tropical rain forest
Grassland with scattered trees
Dense forest with cose canopy
