Waec Agricultural Science 1997 Past Questions and Answers

Question 31:

• WAEC 1997

Which of the following group of crops can be attacked by smut diseases?

A. Suggarcane, maize and banana
B. Rice, maize and guinea corn
C. Guinea corn, sugarcanr and rubber
D. Maize, guinea corn and yam
E. Rubber, rice and guinea corn

Question 32:

• WAEC 1997

Cultural methods of controlling pests include the following except

A. Crop rotation
B. Adequate spacing
C. Timely planting
D. Frequency of weeding
E. Mulching

Question 33:

• WAEC 1997

The aims of crop improvement include the following except

A. Increasing crop yield
B. Increasing crop resistence of pests and doseases
C. Improving the quality of the crop plants
D. Improving crop growth habit
E. Improving the infracstructural facilities in a farm

Question 34:

• WAEC 1997

The branch of crop production which is normally concerned with crop improvement is

A. Plant breeding
B. Plant science
C. Horticulture
D. Plant protection
E. Crop physiology

Question 35:

• WAEC 1997

Which of the following is the primary function of the gizzard?

A. Storage of food before digestion
B. Fermentation of ingested food
C. Grinding of ingested food into smaller particles
D. Exposure of food to enzymatic digestion
E. Absorption of digested food particles