19177.Gamma and X-rays are not used for remote sensing because
They are absorbed by object
They are reflected by object
They are absorbed by layer atmosphere
They are not absorbed
19178.Plantation of trees along with monocot crops is known
Agroforestry
Silviculture
Social forestry
Afforestation
19180.Planting of trees on unused farm land, road and rail sides etc is called
Social forestry
Agroforestry
General forestry
Commercial forestry
19181.Planting of trees on unused farmland, Rail and road sides is
Commercial Forestry
Agroforestry
Social forestry
Reforestation
19183.Planting of trees, shrubs and others in between crop plants for commercial exploitation and stabilization of soil is
Taungya system
Social forestry
Agroforestry
Production plantation
19184.There is decrease in _____ because of deforestation
Soil erosin
Global warming
Rainfall
Drought
19186.Serious threat to wild life is
Habitat destruction
International trade
Introduction of exotic species
Over exploitation
19188._____ and _____ are combination of Agroforestry
Fodder crops, fibre crop
Food crops, fibre crop
Trees, grasses
Food crops, tree crop
19189.Radiations not useful in remote sensing are
UV radiations
Microwaves
Ultrasonic waves
Infra-red radiations
19191.The function of tree plantation is celebrated through
Environment day
Vanikaran
Social forestry programme
Vasant Mahotsav
19192.Reforstation is
Plantation of forests
Plantation forests in deforested areas
Cutting down of forets
Management of forets
19194.A recent technique for the study of vegetation is
Ground photography
Remote sensing
Field work
Observation
19195.Shifting cultivation is also known as
Taungyo system
Jhum cultivation
Socia forestry
Plant cultivation
19196.The life supporting gases such as O2, CO2 and N2 are primarily concentrated in _______.
troposphere
exosphere
homosphere
stratosphere