Waec Agricultural Science 2019 Past Questions and Answers

Question 56:

• WAEC 2019

(a) What is depreciation in agricultural production?
(b) Distinguish between the following pairs of terms as used in agricultural production:
(i) farm records and farm accounts;
(ii) credit and subsidy;
(iii) assets and liabilities.
(c) State five problems of agricultural extension in West Africa.
(d) Enumerate five factors that affect the supply of cassava in West Africa

Question 57:

• WAEC 2019

(a) Explain four roles of government in agricultural development under the following
headings:
(i) pest and disease control;
(ii) marketing of agricultural produce.
(b) Give four general problems of land tenure system in agricultural development in West
Africa.
(c)List three farm machinery and three farm implements.

Question 58:

• WAEC 2019

(a) Complete the table below.
WeedBotanical nameMethod of dispersalGoat weed Siam weed Water leaf



(b) List three examples of each of the following factors affecting land availability for
agriculture:
(i) physical factors;
(ii) economic factors.
(c) Enumerate four effects of pollution on agricultural lands and ponds.
(d) State two ways of minimizing land and pond pollution.

Question 59:

• WAEC 2019

(a) Using the table below, classify the following crops based on their life cycle.
CropClassification based on life cycleMango Rice Groundnut Cotton Pepper Soya bean Oil palm Yam Tomato Rubber Ginger Cocoa Cowpea Carrot




(b) List four components of a typical soil with their percentage volume.
Soil component Percentage volume(i) (ii) (iii) (iv)




(c) State three methods of applying inorganic fertilizers to the soil.

Question 60:

• WAEC 2019

(a) Distinguish between spacing and thinning in crop production.

(b) Discuss the cultivation of oil palm under the following headings:
(i) botanical name;
(ii) two varieties;
(iii) method of propagation;
(iv) soil requirement;
(v) spacing on the field;
(vi) Diseases.

(c) Enumerate six ways in which forest resources are important to the economy of West Africa.
(d) What is apiculture?