Waec Agricultural Science Questions
Question 531:
Which of the following is not an effect of bush burning on the soil?
- A Sterilizing soil against some harmful soil micro-organisms
- B Destroying the structure of soil
- C Increasing rate of nitrogen mineralization
- D Predisposing soil erosion
- E Maintaining high levels of soil nutrients reserves
Question 532:
Irrigation can be defined as
- A High water table for plants
- B A system of farming in whivh crops are provided with water artificially
- C A type of farming where crops depend mostly on rainfall
- D A type of farming practised in the fprest zones
- E The storage of water for future farm operation
Question 533:
Which of the following is not an advantage of farm mechanization?
- A Timely farm operations
- B High operating cost
- C Green-manuring
- D Improvement of yields
- E Rapid land clearing
Question 534:
A fruit with many seeds that has many joined cerpels and dehisces along all sutures from base to apex is referred to as a
- A Cereal
- B Legume
- C Capsule
- D Berry
- E Nut