The National Tree-planting campaign in Nigeria is an example of
- A. regeneration of forest
- B. afforestation
- C. taungya farming
- D. forest reservation
- E. forest degeneration
Yam setts are usually planted with cut surface
- A. downward and sloping at 45 degrees
- B. downwards and vertically at 90 degrees
- C. upward and vertically at 90 degrees
- D. upwards and sloping at 45 degrees
- E. sideways and sloping at 90 degrees
A fungicide is important in maize production because it
- A. prevents the attack of causative organisms generally
- B. makes maize seeds more viable
- C. assists in the control of corn smut
- D. scares away mammalian peats
- E. prevents the attack by stem borers
Which of the following is a primary product of forest trees?
- A. paper
- B. particle board
- C. timber
- D. cardboard
- E. pulp
The main purpose of including leguminous crops in pastures is to serve as a source of
- A. proteins
- B. vitamins
- C. minerals
- D. carbohydrates
- E. green vegetables
The primary product of ginger is the
- A. rhizome
- B. fruit
- C. seed
- D. flower
- E. leaf
Mechanization would remain uneconomical in West Africa as long as
- A. farmers are small and scattered
- B. land acquisition remains in the hands of farmers
- C. basic amenities are inadequate
- D. machines are not available for farming operation
- E. extension officers are not provided with transport facilities
Shellers are used to remove
- A. bracts from grains
- B. grains from cobs
- C. husk from grains
- D. dirt from grains
- E. cobs from stalks
The best source of power for weeding in nursery is
- A. animal
- B. man
- C. machine
- D. wind
- E. sun
Which of the following sets of farm operations can use electricity as a source of power?
- A. clearing, tilling and levelling
- B. processing, storage and ploughing
- C. processing, storage and extraction
- D. harrowing, winnowing and storage
- E. winnowing, ridging and shelling
A moistened soil sample which can be moulded to form a smooth continuous ring is characteristic of
- A. sandy clay
- B. heavy clay
- C. loamy sand
- D. clay loam
- E. heavy loam
In which of the following ways are metamorphic rocks formed?
- A. By physical distintegration of igneous rocks
- B. by alternative layering of particles of sedimentary and igneous rocks
- C. by the combination of igneous and sedimentary rocks
- D. through biological change of original rock
- E. through chemical changes caused by heat and pressure
The type of crop planted and the livestock raised in any given area depends primarily on the
- A. type of climate
- B. physical factors
- C. biotic factors
- D. socio-economic factors
- E. edaphic factors
Land is considered to be an essential factor in agricultural production because
- A. it is most abundant
- B. it is important for development
- C. crop, fisheries and livestock production are practised on land
- D. it cannot be increased in quatity
- E. crop production is usually done on land
Which of the following factors may be considered in adopting a particular method of irrigation?
- A. topography of the land
- B. characteristics of the soil
- C. type of farming system
- D. type of crops to be grown
- E. size of land to be irrigated
Prolonged application of ammonium sulphate fertilizer on a given soil can lead to the
- A. decay of tuber and root crops
- B. increase in beneficial soil micro-organisms
- C. increase in soil acidity
- D. damage of soil structure
- E. increase in the alkalinity of soil
What is the percentage of water content of a soil sample if the mass of fresh soil is 180 gm and mass of dried soil is 120 gram?
- A. 45.5%
- B. 40.4%
- C. 38.3%
- D. 35.3%
- E. 33.3%
Coal is an example of
- A. igneous rock
- B. metamorphic rock
- C. plutonic rock
- D. volcanic rock
- E. sedimentary rock
The response of crops to day-length is referred to as
- A. photoperiodism
- B. photosynthesis
- C. photogenesis
- D. venalization
- E. volatilisation
land use is influenced by the following except
- A. population density
- B. population growth
- C. climatic conditions
- D. topography
- E. fallowing
Which of the following is not a problem of agricultural development?
- A. inadequate land availability
- B. lack of finance
- C. improved and adequate storage facilities
- D. lack of basic amenities and infrastructure
- E. poor transportation facilities