A. Desert areas
B. Hilly areas
C. Plains
D. Riverine areas
Soil Erosion and Conservation
Soil Erosion and Conservation
A. Irrigated agriculture
B. Overgrazing
C. Tourism
D. Developmental activities
A. Rain fall
B. Frequent cyclones
C. Erosion of surface soil
D. Frequent landslides
A. Soil erosion
B. Pollution
C. No floods
D. None of these
A. Cotton
B. Pigeon pea
C. Green gram
D. Maize
A. Fast running rivers
B. Wind
C. Heavy rains
D. Glaciers
A. Prevention of spread of desert
B. To check soil erosion by wind and rains
C. To check soil erosion by afforestation
D. All of these
A. Wind screens
B. Good plant covers
C. Restricted human activity
D. Low rainfall
A. Deforestation
B. Afforestation
C. Ozone layer
D. Goats and grazing animals
A. Gravel and sand
B. Sand and calcium
C. Clay and humus
D. Silt and earthworms