Waec Agricultural Science 2019 Past Questions and Answers

Question 51:

• WAEC 2019

(a) Write the full meaning of the acronyms of the following non-governmental agricultural organizations:
(i) WARDA;
(ii) IITA;
(iii) FAO;
(iv) ILCA.

(b) Mention six ways in which agriculture is of benefit to rural communities.

(c) List four liming materials used in agriculture.

(d) Give four examples of sedimentary rocks.

Question 52:

• WAEC 2019

(a) (i) Name the disease associated with the observed symptoms.
(ii) List three ways of controlling the disease named in 2(a)(i).

(b) (i) State three pests of cocoa.
(ii) State three ways of controlling the pests mentioned in 2(b)(i).

(c)Enumerate five factors to be considered in siting a crop farm;

(d) Mention three ways of maintaining survey equipment.

Question 53:

• WAEC 2019

(a) (i) Define the term drainage.
(ii) State four reasons why waterlogged agricultural land should be drained.

(b)List six factors affecting nutrient availability in the soil.

(c) Complete the table below on the causative organisms of crop diseases.
DiseaseCausative Organism

Rice blast	(i)
Groundnut rosette	(ii)
Cassava mosaic	(iii)
Root knot of tomatoe	(iv)
Maize rust	(v)
Tristeza	(vi)

Question 54:

• WAEC 2019

(a) (i) Differentiate between intensive system and extensive system of livestock management.
(ii) State five disadvantages of keeping livestock on free range system.

(b) State six ways in which ornamental plants are important.

Question 55:

• WAEC 2019

(a) Explain the following terms as used in animal production:

Malnutrition
Weaning
Heat period
Candling


(b)Distinguish between maintenance ration and production ration in animal nutrition.
(c)State three effects of malnutrition on farm animals.
(d)State five effects of deforestation.