51. Which of the following is a method of irrigation that involves supplying water directly to the roots of plants through tubes or pipes?
a) Flood irrigation
b) Sprinkler irrigation
c) Drip irrigation
d) Canal irrigation
52. Which of the following is a method of irrigation that involves spraying water over the field in a controlled manner?
a) Flood irrigation
b) Sprinkler irrigation
c) Drip irrigation
d) Canal irrigation
53. Which of the following is a method of irrigation that involves flooding the field with water?
a) Flood irrigation
b) Sprinkler irrigation
c) Drip irrigation
d) Canal irrigation
54. Which of the following is a method of irrigation that involves diverting water from rivers or reservoirs to the fields?
a) Flood irrigation
b) Sprinkler irrigation
c) Drip irrigation
d) Canal irrigation
55. Which of the following is a major fertilizer nutrient required by plants for growth and development?
a) Nitrogen
b) Oxygen
c) Carbon
d) Hydrogen
