Waec Agricultural Science 1993 Past Questions and Answers

Question 61:

• WAEC 1993

Discuss briefly the ways in which the following factors contribute to the problems of agricultural development in Nigeria: (a) finance; (b) farm input; (c) transportation; (d) storage and processing facilities.

Question 62:

• WAEC 1993

(a) State two functions of a cultivator. (b) Name five tools or implements for each of the following farm processes: (i) land preparation; (ii) planting (iii) harvesting; (iv) crop processing (c) Give four reasons why farmers cultivate small holdings.

Question 63:

• WAEC 1993

(a) What is rock weathering? (b) State four factors that affect formation of soil. (c) Explain briefly four types of chemical weathering.

Question 64:

• WAEC 1993

Describe briefly the effects of the following farming practices on the soil; (a) bush burning; (b) overgrazing; (c) clean clearing; (d) fertilizer application.

Question 65:

• WAEC 1993

State two symptoms and two control measures of the following plant diseases: (a) cassava mosaic; (b) groundnut rosettes; (c) root-knot of okra; (d) bacterial blight of cotton