Jamb Agricultural Science Past Questions and Answers

Question 396:

• JAMB 2022

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 397:

• JAMB 2022

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 398:

• JAMB 2022

Which of the following is not a component of an incubator ?

A. Electric heater
B. Temperature
C. Thermostat
D. Insulator

Question 399:

• JAMB 2022

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

Question 400:

• JAMB 2022

____________ is a secondary tillage implement

A. Harrow
B. Plough
C. Ridger
D. Disc plough