Nitrogen is important in plants because it is mainly needed in

• A. fruit formation
• B. root development
• C. leaf formation
• D. cell division

The most important factor which determines the demand for cowpea by consumers is the

• A. income of consumers
• B. price of cowpea
• C. supply of cowpea
• D. taste of consumers

Agricultural extension teaching methods are classified on the basis of

• A. teaching materials
• B. topics to be taught
• C. attitude
• D. audience size

Which of the following criteria are used in selecting agricultural extension teaching methods? I. time available for the programme II. the number of farmers involved III. The agricultural needs of the farmers

• A. I and II only
• B. I and III only
• C. II and III only
• D. I,II and III

The following farming practices expose the soil to agents of erosion except

• A. bush burning
• B. land clearing
• C. crop rotation
• D. overgrazing

Which of the following describes the effects of excessive nitrogen application on the growth of maize plants?

• A. high vegetative growth with low yield
• B. high vegetative growth with high yield
• C. low vegetative growth with high yield
• D. low vegetative growth with low yield

The act of mating in cattle is known as

• A. tupping
• B. treading
• C. lambing
• D. Service

Which of the following insects transmits swollen shoot virus of Cocoa?

• A. Stem borer
• B. Mealybug
• C. White fly
• D. Capsid

The process of grafting in crop production involves

• A. the fusion of gametes of two crops
• B. indicating rooting from stems
• C. the trandfer of a bud from one crop to another
• D. the joining of two parts from related crops

The problems associated with land tenure through inheritance include the following except

• A. small land holdings for family members
• B. hatred among family members arising from land sharing
• C. right of individuals to free use and control of inherited land
• D. difficulty to sell part of inherited land