Soil erosion in plains consequent to rain fall is initiated by:
A.Rill erosion
B.Sheet erosion
C.Gully erosion
D.All of these
A.Rill erosion
B.Sheet erosion
C.Gully erosion
D.All of these
A.Upright
B.Inverted
C.Rhomboidal
D.Linear
A.Rural industry projects
B.Electrification of rural areas
C.Both (a) & (b)
D.None of these
A.Biological nitrogen fixation
B.Electrification of nigrogen
C.Industries
D.All the above
A.Which are derived from gymnosperms such as pines, evergreen, needle like leaves seeds in cones
B.Hardwoods are those derived from angiosperms such as oak, ash, popular, with broad leaves seed enclosed bearing flowers
C.Wood responsible for sap conduction is termed as sap wood
D.As the wood increases in diameter, cells to the inside are block. This portion of wood is known as heart wood
E.All of the above
A.Plus trees: Trees of good genetic and phenotic constitution
B.Seed stands: Small patches of trees in the forest which are better in characters
C.It is best to collect seed from trees in such groups
D.All of the above
A.Use of resistant varieties
B.Physical
C.Biotechnical
D.Biological
E.All of the above
A.79.5m
B.89.9m (295 ft)
C.99.5 m
D.None of these
A.1840
B.1842
C.1843
D.1844