The alien species introduced into lake Victoria that was responsible for the extinction of cichlid fishes is
African catfish
Water hyacinth
Carrot grass
Nile perch
The government of India in 1980s has introduced a concept to work closely with the local communities for protecting and managing forests. The concept is
forest research institutes
panel of local communities for forest management
joint forest management
jhum cultivation
Silent valley is tropical evergreen forest located in
Kerala
Karnataka
Maharashtra
Orissa
A renewable exhaustible natural resource is
coal
petroleum
minerals
forest
The least porous soil among the following is a
loamy soil
silty soil
clayey soil
peaty soil
The taxon likely to join the category of endangered category in near future is
extinct
rare
vulnerable
living fossil
In soil profile, humus is present in
horizon-O
horizon-A
horizon-B
horizon-C
The species diversity of plants on earth will be
2.4%
22%
8.1%
85%
The shifting cultivation method called jhum belongs to the category of
industrial forestry
agroforestry
commercial forestry
social forestry
Which of the following is exhaustible but limited source of energy?
Nuclear fuel
Water energy
Fossil fuel
Solar energy