Waec Agricultural Science 1989 Past Questions and Answers

Question 26:

• WAEC 1989

The units of inheritance which determine the various characteristics of crop are called

A. Chromosomes
B. Nuclei
C. Genes
D. Cytoplasm
E. Membranes

Question 27:

• WAEC 1989

Which of the following crops is a raw material for production of chocolate?

A. Kolanut
B. Coffee
C. Banana
D. Cocoa
E. Avocado pear

Question 28:

• WAEC 1989

In the establishment of pastures, it is best to

A. Plant only grasses
B. Plant only legumes
C. Plant a mixture of grasses and legumes
D. Let the natural grasses grow
E. Allow weeds to mix with the forage crops

Question 29:

• WAEC 1989

A forest established for watershed management will perform the following functions except

A. Reducing water pollution
B. Controlling fish population
C. Controlling erosion
D. Maintaining a steady stream flow
E. Reducing evaporation

Question 30:

• WAEC 1989

The disease which most attacks groundnut is called

A. Rosette
B. Mosaic
C. Soft rot
D. Powdery mildew
E. Brown rot