Waec Agricultural Science 2000 Past Questions and Answers

Question 21:

• WAEC 2000

Which of the following is the correct trend in the historical development of power on the farm?

A. Animal power-man power-mechanical power
B. Man power-animal power-mechanical power
C. Man power-mechanical power-animal power
D. Animal power-mechanical power-man power

Question 22:

• WAEC 2000

The major advantage of human power over all other sources of power is man's

A. Normal power output of 75 watts per day
B. Ability to work in any climatic condition
C. Intelligence to control work
D. Strength when at work

Question 23:

• WAEC 2000

Which of the following is a function of the hopper of a grain sheller?

A. Rubbing cobs against one another
B. Receiving maize cobs to be shelled
C. Separating chaff from the grains
D. Drying shelled maize grains

Question 24:

• WAEC 2000

The amount of planting material needed for a given area of land is known as

A. Seed rate
B. Plant population
C. Seed volume
D. Plant density

Question 25:

• WAEC 2000

Cotton can thrive well in the mangrove areas if

A. Appropriate fertilizer is applied to the soil
B. Sunshine is lower in intensity
C. Land is sufficiently drained
D. White flies are controlled