8. Your friend has parallelogram garden having a base of 250 decimeter and a height of 10 meters. You noticed that the unit of measurement used are different. How will you able to find the surface area? A. multiply 250dm by 10 meters b. convert 250 dm to meter and multiply by 10 meters c. convert decimeter to meter and divide by 10 meter d. divide 250 decimeter by 10 meter 9. A rectangular farm of your neighbor has a length of 50 meters and 3000 centimeters wide. What will be the surface area of your neighbor's farm? A. 45000 sq. meter b. 4500 sq. meter c. 450 sq. meter d. 45 sq. meter 10. What is the surface area of a circle which has a radius of 10 meters. A. 3140 sq. meter b. 314 sq. meter c. 31.4 sq. meter d. 62.8 sq. meter 11. You have a trapezoidal field having a bases of 6 meters and 14 meters and a Height of 8 meter. What will be the surface area? A. 60 sq. meter b. 70 sq. meter c. 80 sq. meter d. 90 sq. meter 12. What is the surface area of a rectangular farm whose length of 150 meters and 1000 decimeter wide. A, 15000 hectares b. 150 hectares C. 15 hectares d. 1.5 hectares 13. 1 hectare is equal to how many square meters? A. 100 sq. meter b. 1000 square meter c. 10000 sq. meter d. 100000 sq. meter 14 Which characteristics is not belonging to horizontal system? A. more space between row to row b. inter-cultural operations can be done in both ways. C. layout in rectangular space d. the seventh tree is planted in the center and called septule 15. Which characteristics is not belonging to square system? A. row to row and plant to plant distance is similar b. plants are exactly at right angle to each other c. plants are planted in the corner of equilateral triangle d. intercultural operations can be done in both direction 16. Which is not a function of farm irrigation system? A. diverting water from the source b. conveying it to individual fields within the farm c. distributing it within each field d. there is no need for a drainage system 17. Which is not an essential feature of a plan? A. topographical data b. water source capacity c. soil and crop characteristics d. plant and plant only God knows 18. Which is an advantage of drip or trickle irrigation? A. water is conserved b. there are low pressure system c. there is no need for a drainage system d. all of the above 19. This tool is an example of a digging tool? A bolo b. crowbar c. grab hoe d. pruning shear 20. What tool does not belong to the group? A crowbar b. mattock c. shovel d. pruning shear 21. What best describes that farm tools are very important in agricultural crop production. a. makes work easier b. make work faster c. save time and effort d. all of the above​