1. The process of replanting vegetation and rebuilding the soil of disturbed land for the principal purpose to rehabilitate or protect degraded land is called
(A) Disposal of sewage
(B) Preventing soil
(C) Revegetation
(D) Suppression
2. The ratio between the irrigated area and the quantity of water used is called
(A) Nature of crop
(B) Disposal of sewage
(C) Duty of water
(D) Nature of soil
3. The irrigation method in which water is opened in channels in a plot or field so that water can flow freely in all directions and cover the surface of the land in a continuous sheet is
(A) Basin Irrigation
(B) Border method irrigation
(C) Furrow Irrigation
(D) Flood irrigation
4. The method suitable for orchards and other high-value crops where the size of the plot to be irrigated is very small is
(A) Furrow Irrigation
(B) Flood irrigation
(C) Basin Irrigation
(D) Border method irrigation
5. Row crops such as potatoes, cotton, sugarcane, vegetables, etc. can be irrigated by
(A) Basin Irrigation
(B) Flooding irrigation
(C) Furrow Irrigation
(D) Border method irrigation
6. The method that consists of application of water to soil in the form of spray, somewhat as rain, is
(A) Sprinkler irrigation
(B) Drip Irrigation
(C) Basin Irrigation
(D) Trickle irrigation
7. _________ is the method that sprays water at high pressure and thereby the pests are washed. It can irrigate one acre in about one and a half hours.
(A) Drip Irrigation
(B) Sprinkler
(C) Trickle
(D) Rain gun
8. The amount of water required by rice crop is
(A) 500 mm
(B) 2000 mm
(C) 280 mm
(D) 625 mm
9. The term _________ is interchangeably used with the terms water holding capacity and water retention capacity.
(A) Field capacity
(B) Irrigation Scheduling
(C) Drip Irrigation
(D) Depletion of moisture
10. The amount of water required by wheat crop is
(A) 625 mm
(B) 2000 mm
(C) 280 mm
(D) 500 mm