During which of the following plant propagation methods is the tool represented used?
- A. Seed planting
- B. Seedling transplant
- C. Budding
- D. Layering
Study the diagram above and answer question
The crop associated with the diagram above is?
- A. Theobroma cacao
- B. Zingiber officinale
- C. Hevea brasiliensis
- D. Gossypium hirsutum
The diagram above shows parts of a plough.
Study it and answer this question.
The part labelled I in the diagram is the
- A. hitch
- B. handle
- C. plough share
- D. mould board
In encouraging farmers to produce more of a particular crop, the Nigerian government has helped farmers in marketing that crop through the establishment of
- A. rural schools of agriculture
- B. markets for the sale of crops
- C. marketing boards
- D. rural extension offices
Which of the following nutrient element is a macro-nutrient?
- A. phosphorus
- B. zinc
- C. iron
- D. manganese
A biotic factor influencing agricultural production is
- A. rainfall
- B. predator
- C. soil structure
- D. wind
Which of the following is an example of igneous rock?
- A. gneiss
- B. limestone
- C. standstone
- D. granite
Crop rotation has the following effects on the soil except
- A. maintenance of soil fertility
- B. reducing concentration of soil pests
- C. improving soil structure
- D. predisposing soil to leaching
Which of the following will be responsible for the poor yield of fertile soil in a high rainfall area?
- A. leaching of soil nutrients
- B. very low pH value of land
- C. lack of soil microbes
- D. high alkalinity of soil
A soil with pH2 can be described as
- A. moderately acidic
- B. moderately alkaline
- C. highly acidic
- D. highly alkaline
The most common soil mineral found in all crystalline rocks and a main constituent of granite and sandstone is
- A. biotite
- B. quartz
- C. mica
- D. granite
The damage to the stem of maize plants resulting in hollowness and lodging is most likely caused by
- A. rodents
- B. grasscutters
- C. stem borers
- D. weevils
Which of the following is not normally a pasture crop?
- A. mucuna
- B. centrosema
- C. stylosanthes
- D. giant star grass
The main purpose of including leguminous crops in pastures is to serve as a source of
- A. proteins
- B. vitamins
- C. minerals
- D. carbohydrates
A soil with the PH range of 6.1 to 6.9 can be described as
- A. alkaline
- B. very acidic
- C. slightly alkaline
- D. slightly acidic
During the processes of soil formation, the cracks or crevices that are first noticed on the rocks are normally caused by
- A. ice
- B. man
- C. wind
- D. temperature
The soil nutrient which is important as a constituent of plant proteins and hormones is
- A. calcium
- B. sulphur
- C. iron
- D. potassium
Which of the following is not component of soil?
- A. air
- B. water
- C. organic matter
- D. texture
The physical properties of soil include the following except
- A. PH
- B. colour
- C. moisture content
- D. porosity
One of the limitation of mechanization of farms is
- A. reduction in the cost of production
- B. exposure of soil to the effects of climate
- C. increase in yield of crops
- D. reduction of farm labour
The most appropriate farm machinery for breaking soil is the
- A. harrow
- B. plough
- C. ridger
- D. tractor