Jamb Agricultural Science Questions
Question 61:
Bulldozers are powerful tractors and expensive machines with a
- A Broad steel blade
- B Narrow steel blade
- C Tiny steel blade
- D Small steel blade
Question 62:
Bulldozer is used for the following purpose except
- A Bush clearing
- B Felling trees and stumps
- C Leveling the ground
- D Planting of trees
Question 63:
Which of the following is not a component of an incubator ?
- A Electric heater
- B Temperature
- C Thermostat
- D Insulator
Question 64:
The following are advantages of using disc plough over mouldboard plough in West Africa except
- A Disc plough makes deeper cuts than mouldboard plough
- B Disc plough buries weeds more completely than mouldboard plough
- C The disc plough is designed to roll over stumps and obstacles which may easily damage the edges of mouldboard plough
- D Mouldboard plough makes deeper cuts than disc plough