Waec Agricultural Science 1999 Past Questions and Answers

Question 16:

• WAEC 1999

Fertile soil is one which

A. Is easily drained
B. Is well aerated
C. Can produce a good harvest of cowpea
D. Contains all essential plant nutrients in suitable proportions

Question 17:

• WAEC 1999

The effects of practicing crop rotation include the following except

A. Maintaining and improving soil fertility
B. Controlling soil erosion
C. Preventing the build-up of pests and diseases
D. Adding humus to the soil

Question 18:

• WAEC 1999

The method of irrigation suitable for use on a steep slope is

A. Sprinkler irrigation
B. Flood
C. Furrow irrigation
D. Shadoof

Question 19:

• WAEC 1999

The main source of power for subsistence equipment is

A. Animal
B. Machine
C. Electricity
D. Man

Question 20:

• WAEC 1999

The most suitable source of power for stationary equipment on a farm is

A. Machine
B. Electricity
C. Animal
D. Man