Waec Agricultural Science 1992 Past Questions and Answers

Question 21:

• WAEC 1992

Which of the following forest trees is a soft wood?

A. Mahogany
B. Teak
C. Shea-butter
D. Ebony
E. Gmelina

Question 22:

• WAEC 1992

Soil-borne diseases of crops can be effectively reduced by

A. Terracing
B. Crops rotation
C. Liming
D. Irrigation
E. Mulching

Question 23:

• WAEC 1992

Gametes are produced through the process of

A. Fusion
B. Meiosis
C. Mitosis
D. Pollination
E. Fertilization

Question 24:

• WAEC 1992

Which of the following is the most suitable raw material used in the production of pulp in paper industry?

A. Hardwood
B. Softwood
C. Heartwood
D. Sapwood
E. Plywood

Question 25:

• WAEC 1992

Which of the following explains the term pruning?

A. Removal of unnecessary branches of trees crops
B. Adequate spacing of seedlings during transplanting
C. Removal of diseases or dead crops from the farm
D. Hardening of seedlings in the nursery
E. Ripening of fruits before the development of embryo