Waec Agricultural Science Past Questions For Year 2017
Question 11
Which of the following agents is not associated with chemical weathering?
- A. oxidation
- B. pressure
- C. hydrolysis
- D. carbonation
Question 12
Predators are used by farmers to
- A. control pests
- B. induce flowering in plants
- C. protect the soil
- D. hasten fruit ripening
Question 13
The following are climatic conditions affecting agricultural production except
- A. rainfall
- B. relative humidity
- C. temperature
- D. topography
Question 14
A social factor which affects land availability and use is
- A. temperature
- B. soil pH
- C. light intensity and duration
- D. culture of the people
Question 15
In the above diagram, what crop roots are represented?
- A. a legume
- B. a cereal
- C. a tuber
- D. a spice