A major raw material of the paper industry is
- A. pulp
- B. gum
- C. latex
- D. bark
Coffea spp. grows best
- A. on lowlands
- B. on highlands
- C. in mangroves
- D. in rain forests
Which of the following is not a characteristic of weeds?
- A. resistant to trampling
- B. produces numerous seeds
- C. seeds have short period of viability
- D. aggressive growth habit
The most convenient method of fertilizer application used when crops have been planted in rows is
- A. foliar application
- B. broadcasting
- C. drilling
- D. ring placement
Which of the following products is not from coconut?
- A. candy
- B. copra
- C. oil
- D. jam
Grafting involves the
- A. fusion of the gametes of two plants
- B. inducement of rooting from two stems
- C. transfer of a bud from one plant to another
- D. joining of two parts from related plants
Training of yam vines is important to
- A. ease passage in the farm
- B. suppress weeds
- C. increase photosynthesis
- D. prevent rodent attack
Which of the following activities are cultural practices? I. Harrowing II. Filling-in III. Mulching
- A. I and II only
- B. I and III only
- C. II and III only
- D. I, II and III
A farmstead should be located close to a source of water because of the following reasons except
- A. reduction of overhead cost
- B. operation of efficient irrigation system
- C. processing of farm produce
- D. erosion of farm structures
The survey instrument used for measuring horizontal and vertical angles on the field is the
- A. theodolite
- B. prismatic compass
- C. offset staff
- D. arrow
The objectives of farm mechanization include the following except to
- A. obtain higher farm yield
- B. carry out farm operation quickly
- C. improve the quality of farm produce
- D. produce disease-resistant crop varieties
The function of the mouldboard in a mouldboard plough is to
- A. cut a horizontal line in the soil
- B. give support to the share
- C. invert the furrow slice
- D. keep the equipment steady during operation
The main sources of farm power in West Africa are
- A. wind,solar and mechanical
- B. human,animal and mechanical
- C. mechanical,solar and human
- D. electrical,mechanical and solar
An advantage of sprinkler irrigation is that
- A. it assists farmers to raise a greater varity of crops
- B. it is easy to instal
- C. large areas of land can be irrigated
- D. it can be afforded by peasant farmers
Which of the following effects is not due to water-logging?
- A. inhibition of crop development
- B. enhancement of leaching
- C. inhibition of the activities of soil microorganisms
- D. wilting of crop roots
The following farming practices expose the soil to agents of erosion except
- A. bush burning
- B. land clearing
- C. crop rotation
- D. overgrazing
In the carbon cycle, atmospheric carbon dioxide is replenished by
- A. respiration
- B. transpiration
- C. lightening
- D. dentrification
Streak disease of maize is caused by
- A. virus
- B. nematode
- C. fungus
- D. bacterium
Physical properties of clay soil include
- A. low porosity and low capillarity
- B. high porosity and high capillarity
- C. low porosity and high capillarity
- D. high porosity and low capillarity
Which of the following factors is both a physical and a chemical agent of rock weathering?
- A. temperature
- B. animal
- C. water
- D. oxygen
High temperature and pressure convert sandstone to
- A. basalt
- B. quartzite
- C. coal
- D. limestone