The classification of soils into sand, loam and clay is largely determine by the percentage of

• A. mineral matter
• B. organic matter
• C. soil water
• D. soil air

(a) List and discuss the factors hindering Agricultural development in West Africa under the following headings:

(i) Basic amenities

(ii) Farm inputs

Which of the following factors are causes of deforestation in West Africa? I. expansion of cultivated land II. high population growth rate III. conservation of wildlife in game reserves IV. urban growth

• A. I,II and III only
• B. II,III and IV only
• C. I,II and IV only
• D. I,II,III and IV

A socio-cultural factor affecting land availability is?

• A. soil type
• B. religion
• C. topography
• D. mining

Farm surveying is important because it determines

• A. soil fertility
• B. size of farmland
• C. yield of crops
• D. types of implement to use

The commonest method of vegetative propagation is by

• A. layering
• B. budding
• C. cutting
• D. grafting

Which of the following factors is not considered in 5the use of irrigation?

• A. weed seed distribution over the farm
• B. cost of maintenance
• C. availability of water
• D. prevention of salt accumulation through adequate drainage

Rocks formed by the cooling and solidification of molten rocks called magma ejected from beneath the earth's crust is

• A. Igneous rock
• B. Metamorphic rock
• C. Caleima rock
• D. Sedimentary rock

Forages cut fresh and preserved in silo or pit are referred to as

• A. hay
• B. silage
• C. haylage
• D. soilage

An effective control method of the citrus moth is

• A. hand-picking of the moth
• B. spraying with fungicide
• C. use of predators
• D. timely harvesting of ripe fruits