The parent material of a soil is formed from the disintegration of
- A. sand
- B. gravel
- C. silt
- D. rock
- E. organic matter
The process whereby rocks are broken down into small particles through both physical and chemical factors is known as
- A. rock hydration
- B. rock degradation
- C. oxidation
- D. erosion
- E. weathering
Which of the following environmental factors is likely to have the greatest influence on crop production in Nigeria?
- A. temperature
- B. vegetation
- C. air movement
- D. moisture
- E. pressure
The factor that does not influence land use is
- A. toptgraphy
- B. population pressure
- C. population graph
- D. forest establishment
- E. soil type
If a crop requires 1.5 kg phosphorus per hectare, how many kg of manure will be required per hectare if 1 kg manure contains 0.49 kg of phosphorus?
- A. 2.47
- B. 2.97
- C. 7.35
- D. 12.39
- E. 30.61
The cross-section of a segment of soil showing the horizons or layers is known as the soil
- A. structure
- B. texture
- C. section
- D. depth
- E. profile
Which of the following constitutes a direct monetary cash assistance from government to farmers?
- A. agricultural development programmes
- B. extension services
- C. supply of inputs
- D. loans
- E. tractor hiring services
The commonest method of land tenure in Nigeria is
- A. lease
- B. inheritance
- C. outright purchase
- D. pledge
- E. state allocation
Peasant farmers sell almost all their produce immediately after harvesting because
- A. stored produce would be lost to pests
- B. there are inadequate storage facilities
- C. stored produce lose their quality
- D. the commonest method of land tenure in nigeria
- E. the prices offered for stored produce are low