Jamb Agricultural Science Past Questions For Year 2020
Question 31
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
Question 32
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
Question 33
A soil with pH2 can be described as
- A. moderately acidic
- B. moderately alkaline
- C. highly acidic
- D. highly alkaline
Question 34
During which of the following plant propagation methods is the tool represented used?
- A. Seed planting
- B. Seedling transplant
- C. Budding
- D. Layering
Question 35
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
