The distance between two successive yam mounds should be about
- A. 0.10 m
- B. 1.00 m
- C. 10.00 m
- D. 100.00 m
- E. 1000.00 m
The best tool(s) a farmer should use to measure out a large farm accurately include(s) the
- A. garden line and measuring tape
- B. measuring tape and ranging poles
- C. measuring tape only
- D. garden line only
- E. ranging poles and garden line
The most important limitation of agricultural mechanization is
- A. small holdings
- B. lack of technical know-how
- C. poor marketing system
- D. inadequate storage facilities
- E. pest attack
The instrument used to measure the relative humidity is
- A. thermometer
- B. anemometer
- C. hygrometer
- D. hydrometer
- E. rain gauge
Which of the following sources of farm power cannot be effectively used for processing agricultural products?
- A. animals
- B. electricity
- C. sun
- D. machines
- E. wind
The advantage of providing drainage ditches in farms is that it
- A. requires periodic clearing
- B. is inconvenient for farm mechanization
- C. is labour intensive
- D. is unsuitable for draining basement of farm buildings
- E. is easily adopted by samll scale farmers
Rhizobium supplies nitrogen to leguminous plants by
- A. changing some mineral salts to sulphate of ammonia
- B. incoporating urea into its body
- C. fixing atmospheric nitrogen
- D. decomposing plant remains
- E. increasing the PH value of the soil
The following are advantages of the sprinkler method of irrigation except
- A. rate of application of irrigation water can be controlled
- B. portable nature of many sprinkler system make them suitable for use
- C. the sprinkler system can be made automatic
- D. method can be where topography affects horrowing of land
- E. method may be difficult for local farmers to use
Slate is derived from
- A. schist
- B. sandstone
- C. shale
- D. gneiss
- E. quartzite
The function of soil micro-organisms include the following except
- A. decomposition of dead plant and animal remains
- B. recycling of nutrients
- C. causing plant or animal diesases
- D. living as parasites on crop plants
- E. filtration of soil water for plant use
Which of the following is not an effect of burning on the soil?
- A. increasing the organic matter in the soil
- B. increasing the soil nutrients
- C. increasing the acidity of the soil
- D. exposing the soil to erosion
- E. sterilization of the soil
Nitrogen is made available to plants in the form of nitrates through the process of
- A. deamination and nitrification
- B. ammonification and denitrification
- C. deamination and ammonification
- D. nitrification and dentrification
- E. nitrification and ammonification
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