The optimum temperature for storing yam tuber under cold storage is
- A. 70C
- B. 90C
- C. 130C
- D. 150C
Oil palm trees do well in soils with pH level of
- A. 2.5 - 3.5
- B. 3.5 - 4.5
- C. 5.5 - 6.5
- D. 6.5 - 7.5
The maturity period of groundnut in months is
- A. 1 - 2
- B. 2 - 3
- C. 4 - 5
- D. 6 - 7
Which of the following cereal crops most requires nursery practices?
- A. maize
- B. rice
- C. millet
- D. guinea corn
The type of survey used in determining the flatness or steepness of a farmland is
- A. chain survey
- B. topographical survey
- C. soil survey
- D. traverse survey
Farm surveying equipment include the following except
- A. cross staff
- B. abney level
- C. datum
- D. chain
Farm surveying can be defined as the
- A. leveling of land during road construction
- B. sighting of structures through a theodolite
- C. making measurements on land from which maps are drawn
- D. estimation of the type and properties of soil on a farm
Which of the following gives the correct order of usage of tillage implements on a virgin land?
- A. harrow-ridger-plough
- B. ridger-plough-harrow
- C. harrow-plough-ridger
- D. plough-harrow-ridger
A farm tool used for harvesting heads of rice is the
- A. shear
- B. secateur
- C. sickle
- D. rake
Which of the following sources of farm power will assist in the tillage of more land per unit time?
- A. man
- B. animal
- C. wind
- D. machine
Which of the following is not a source of farm power?
- A. wind
- B. bull
- C. tractor
- D. plough
Replenishing soil nutrients involves the following except
- A. leaching
- B. fallowing
- C. cover cropping
- D. liming
Which of the following mineral elements is essential for chlorophyll formation?
- A. sodium
- B. molybdenum
- C. boron
- D. magnesium
In the determination of soil texture, a soil sample was found to be smooth and powdery when dry and formed a cast when wet. That soil is
- A. clay
- B. silt
- C. loam
- D. sand
A vertical section through the soil is referred to as soil
- A. profile
- B. horizon
- C. structure
- D. texture
Liming is used to correct soil’s
- A. neutrality
- B. acidity
- C. cation exchange capacity
- D. porosity
The chemical weathering that is responsible for changing haematite to limestone is
- A. hydration
- B. solution
- C. oxidation
- D. hydrolysis
The most active agent of physical weathering of rocks in arid regions is
- A. ice
- B. water
- C. wind
- D. animals
The physical factor affecting crop production is
- A. man
- B. temperature
- C. micro-organisms
- D. vegetation
In crop plants, high temperatures may cause
- A. premature dropping of fruits
- B. delayed ripening of fruits
- C. formation of woody stems
- D. prolonged drying of seeds
Poaching is prohibited in dame reserves in order to
- A. preserve wildlife
- B. starve hunters
- C. reduce wildlife population
- D. protect hunters from wild animals