66. Which of the following is a commonly used irrigation method that involves flooding the fields with water?
a) Drip irrigation
b) Sprinkler irrigation
c) Furrow irrigation
d) Flood irrigation
67. Which of the following is a commonly used irrigation method that involves spraying water over the fields?
a) Drip irrigation
b) Sprinkler irrigation
c) Furrow irrigation
d) Flood irrigation
68. Which of the following is a commonly used irrigation method that involves applying water directly to the plant roots?
a) Drip irrigation
b) Sprinkler irrigation
c) Furrow irrigation
d) Flood irrigation
69. Which of the following is a commonly used irrigation method that involves creating furrows or trenches to direct water to the plant roots?
a) Drip irrigation
b) Sprinkler irrigation
c) Furrow irrigation
d) Flood irrigation
70. Which of the following is a commonly used pest control method that involves the use of chemical substances to kill pests?
a) Biological control
b) Integrated pest management
c) Chemical control
d) Organic farming
