(a) Define: (i) Taungya farming, (ii) Crop rotation.

(b) State four advantages of taungya farming.

(c) State four principles underlying the choice of a crop rotation system

(d) Enumerate four advantages of crop rotation.

(e) Under what situations would you recommend to a farmer to embark on crop rotation?

(a) State four ways in which ornamental plants are important. [4 marks]

(b) Give two examples each of (i) ornamental trees, (ii) ornamental shrubs. (c) Explain the following: (i) pasture, (ii) forage. (d) State four roles of legumes in agriculture. 

(a) Discuss seven economic importance of insect pests in crop production.

(b) Name two hosts of cotton stainer.

(c) List two soil-dwelling insect pests of crops and state five general control measures of insect pests of crops.

Discuss briefly: (a) Temperature; (b) Relative humidity; (c) Light; in relation to poultry production and state two ways of controlling the effect of each.

(a) Write short notes on the following systems of breeding: (i) In-breeding; (ii) Line-breeding; (iii) Cross-breeding

(b) State three methods of collecting semen from a proven male for use in artificial insemination.