Waec Agricultural Science 2011 Past Questions and Answers

Question 26:

• WAEC 2011

In crop production, ginger is propagated by

A. Seed
B. Bulb
C. Rhizome
D. Corm

Question 27:

• WAEC 2011

A regulatory control of diseases in crop production is

A. Rouging
B. Quarantine
C. Crop rotation
D. Soil tillage

Question 28:

• WAEC 2011

Yellow colouration of the lower leave of a growing maize plant may be due to deficiency in

A. Potassium
B. Phosphorus
C. Zinc
D. Nitrogen

Question 29:

• WAEC 2011

Which of the following insects transmits swollen shoot disease of cocoa?

A. Stem borer
B. Mealybug
C. Whitefly
D. Scale insect

Question 30:

• WAEC 2011

The main objectives of establishing forest in the arid regions is to

A. Check desert enroachment
B. Provide firewood for cooking
C. Provide bush meat
D. Improve the beauty of the environment