Waec Agricultural Science Questions
Question 461:
The factors affecting formation of soil include the following except
- A Organisms
- B Time
- C Topography
- D Catena
- E Climate
Question 462:
Inhibition of root and bark development, fruiting and seed formation in crops is due to the deficiency of
- A Phosphorus
- B Boron
- C Nitrogen
- D Chlorine
- E Molybdenum
Question 463:
Which of the following is not an effect of grazing on the soil?
- A Enrichment of soil with animal dung
- B Exposure of soil to erosion
- C Destruction of soil structure
- D Increase in soil acidity
- E Reduced rate of water percolation
Question 464:
In underground drainage
- A Ditches are constructed to remove excess water
- B Furrows in which water collects are made
- C Water seeps into the tiles to reach an outlet where water is disposed
- D Water is pumped through perforated pipes to crops
- E Ditches are dug from a source of water to the farmland
Question 465:
Which of the following is not an edaphic factor affecting agricultural production?
- A Soil PH
- B Soil texture
- C Predators
- D Soil structure
- E Soil type