(a) State four merits of each of the following: (i) agriculture; (ii) forestry; (iii) wildlife conservation (b) List four non-agricultural uses of land

(a) Describe briefly four types of individual land tenure systems. (b) List four advantages and four disadvantages of the land use act.

(a) Discuss three effects of each of the following factors on crop production: (i) water; (ii) air; (iii) soil microbes. (b) List three edaphic and four climatic factors that affect crop productivity. 

(a) Explain briefly the processes of formation of (i) igneous rocks; (ii) sedimentary rocks; (iii) metamorphic rocks. (b) Give two examples of each of igneous and metamorphic rocks and three examples of sedimentary rocks.