64
Which of the following materials cannot be used for liming?
- A. gypsum
- B. basic slag
- C. chalk
- D. urea
65
The relative proportion of each fraction of soil in a soil sample determines its
- A. texture
- B. structure
- C. profile
- D. catena
66
Water-logged soils impede good crop growth and development because
- A. the fibrous roots are destroyed
- B. crop roots are deprived of sufficient oxygen
- C. excessive water stops root growth
- D. soil around roots become too cold for root growth
67
Which of the following statements about farm settlement schemes is false? They are set up
- A. to encourage young young people to take up farming
- B. to provide employment for young school leavers
- C. to develop rural infrastructure
- D. for research and publicity
68
In which of the following activities is land not used for agricultural purposes?
- A. afforestation
- B. mining
- C. ranching
- D. fish farming
69
Perishability of farm produce can be minimized through
- A. modification of the crop genetic compostion
- B. adoption of continuous cropping system
- C. reducing water supply to growing crops
- D. use of machines to harvest crops
70
Which of the following agricultural raw material would a glue-processing industry require?
- A. cotton
- B. coconut
- C. cassava
- D. kola