pennisetum purpureum is the botanical name for
- A. gamba grass
- B. carpet grass
- C. bahama grass
- D. elephant grass
The practice of cutting only matured forest trees and allowing other young ones to grow is known as
- A. regeneration
- B. afforestation
- C. deforestation
- D. selectiv exploitation
In a laboratory analysis of maize grains, the following results were obtained:I. the dry matter content of 80 percent made up of 30.0 parts carbohydrate,3.3 parts ash, 13.8 parts fibre and 1.7 parts protein. II. the remainder of the dry matter is oil. What is the percentage of oil in the dry matter?
- A. 31.2
- B. 39.0
- C. 48.8
- D. 64.0
When sugarcane is allowed to flower before harvesting, the
- A. sucrose content is reduced
- B. pith is formed
- C. tissue will turn red
- D. cane will rot
Legumes that produce edible seeds are called
- A. pulses
- B. spices
- C. grains
- D. cereals
Cotton can thrive well in the mangrove areas if
- A. appropriate fertilizer is applied to the soil
- B. sunshine is lower in intensity
- C. land is sufficiently drained
- D. white flies are controlled
The amount of planting material needed for a given area of land is known as
- A. seed rate
- B. plant population
- C. seed volume
- D. plant density
Which of the following is a function of the hopper of a grain sheller?
- A. rubbing cobs against one another
- B. receiving maize cobs to be shelled
- C. separating chaff from the grains
- D. drying shelled maize grains
The major advantage of human power over all other sources of power is man’s
- A. normal power output of 75 watts per day
- B. ability to work in any climatic condition
- C. intelligence to control work
- D. strength when at work
Which of the following is the correct trend in the historical development of power on the farm?
- A. animal power-man power-mechanical power
- B. man power-animal power-mechanical power
- C. man power-mechanical power-animal power
- D. animal power-mechanical power-man power
If 200kg of NPK fertilizer is required for an hectare of maize farm, calculate the amount of the fertilizer required for 15 hectares of maize farm.
- A. 600 kg
- B. 2,000 kg
- C. 3,000 kg
- D. 6,000 kg
Wood ash and oil palm bunches are rich sources of
- A. potassium
- B. nitrogen
- C. molybdenum
- D. sulphur
In the nitrogen cycle,nitrosomonas and nitrobacter are responsible for
- A. ammonification
- B. nitrification
- C. dentrification
- D. nitrogen reduction
A farmer who applies gypsum on his farmland intends to
- A. decrease soil acidity
- B. increase soil acidity
- C. decrease soil alkalinity
- D. increase soil alkalinity
Which of the following soil characteristics is constant?
- A. moisture content
- B. texture
- C. structure
- D. mineral matter content
The most important factor affecting the rate of erosion is the
- A. amount of organic matter in the soil
- B. slope of the land
- C. composition of soil
- D. amount of rainfall
Which of the following is not an example of metamorphic rock?
- A. granite
- B. gneiss
- C. schist
- D. quartzite
The equatorial rain forest belt is not usually used for cattle production because of the
- A. low relative humidity
- B. absence of natural grasslands
- C. incidence of tse-tse flies
- D. dense vegetative growth
The main aim of establishing game reserves is to
- A. prevent rare species of wild animals from extinction
- B. generate income
- C. provide employment
- D. discourage poaching
Agricultural uses of land include
- A. silviculture
- B. mining
- C. housing
- D. transportation
Government agricultural policies include the following except
- A. increasing the production of food crops and animals
- B. increasing the efficiency of production of export crops
- C. supplying raw materials for use in local industries
- D. increasing the number of peasant farmers