Waec Agricultural Science 2017 Past Questions and Answers

Question 26:

• WAEC 2017

Heat treatment of oil palm seeds before sowing helps to

A. Mobilize nutrients for the embryo
B. Harden the mesocarp
C. Break embryo dormancy
D. Improve disease resistance

Question 27:

• WAEC 2017

Imported plants are expected to be

A. Vaccinated
B. Improved upon
C. Treated
D. Quarantined

Question 28:

• WAEC 2017

A breeding method which involves the production of heterozygous populations from homozygous lines is

A. Inbreeding
B. Introduction
C. Selection
D. Hybridization

Question 29:

• WAEC 2017

A raw material that could be obtained from the forest is

A. Margarine
B. Honey
C. Mutton
D. Butter

Question 30:

• WAEC 2017

Which of the following methods of plant propagation is limited to plants which root easily?

A. Grafting and cutting
B. Layering and cutting
C. Budding and layering
D. Grafting and layering