The correct option is
C Traditional methods of irrigation:
A) Rahat system: In this system, one wheel is rotated by a cattle and another wheel in the well has buckets attached to it. Whenever cattle moves the wheel, bucket gets filled which pours water in the crop fields.
B) Dhekli system: In this method, one end of the bucket is tied to a rope and other to a rock. Farmer pulls the bucket, get it filled with water and pours it in crop fields. Modern methods of irrigation:
C) Drip irrigation: In this system, each plant is connected to a small pipe which is further connected to a large pipe. This large pipe is connected to a well which allow water droplets to reach plants through small pipes.
D) Sprinkler irrigation: In this
irrigation, the perpendicular pipes, having rotating nozzles on top
, are joined to the main pipeline which allows water to escapes from the rotating nozzles. Eventually, water gets sprinkled on the crop.