Waec Agricultural Science 2008 Past Questions and Answers

Question 16:

• WAEC 2008

A farmer applied NPK 15:11:8 at planting. What is the percentage of potassium in the fertilizer?

A. 23.53%
B. 32.35%
C. 33.33%
D. 44.12%

Question 17:

• WAEC 2008

The following equipment can be used for irrigation except

A. Bucket
B. Watering can
C. Knapsack sprayer
D. Siphon tube

Question 18:

• WAEC 2008

Excessive drainage of soil water can be checked by the addition of adequate quantities of

A. N.P.K 15 - 15 - 15
B. Sulphate of ammonia
C. Single superphosphate
D. Compost manure

Question 19:

• WAEC 2008

Considering all costs, the cheapest source of energy for domestic use is

A. Eloectricity
B. Sunlight
C. Biogas
D. Water

Question 20:

• WAEC 2008

The implement used for pulverizing the soil is the

A. Planter
B. Ridger
C. Horrow
D. Plough