(a) Explain the term soil structure and state its importance in agriculture. (b) State four properties each of clay and sandy soil. 

In a tabular form, discuss cocoa, yam and millet production under the following sub-headings: (a) climatic requirement; (b) soil requirement; (c) cultural practices; (d) method of propagation.

(a) State the laws of Mendel (b) Discuss three advantages and two disadvantages of: (i) introduction-, (ii) selection in crop improvement

(a) What is rangeland ? (b) Discuss seven practices of management and improvement of rangeland

Explain how each of the following practices can bring about high yield from a fish pond: (a) deweeding: (b) desilting (c) supplementary feeding (d) fertilization.