The major climatic factors influencing agricultural activities in the tropics include the following except
- A. rainfall
- B. temperature
- C. sunlight
- D. pressure
- E. wind
During the processes of soil formation, the cracks or crevices that are first noticed on the rocks are normally caused by
- A. ice
- B. man
- C. wind
- D. temperature
- E. solution
Which of the following is a day-neutral crop?
- A. millet
- B. maize
- C. coffee
- D. tomato
- E. cocoa
In the process of recycling carbon in nature, carbondioxide is used by crops during
- A. respiration
- B. decomposition
- C. burning
- D. fruiting
- E. photosynthesis
Which of the following is the best way to reduce surface run-off on farmlands?
- A. adding more clay to the soil
- B. providing adequate plant cover
- C. planting acrss the slope
- D. planting annual crops
- E. erecting strong fences round the farm
Which of the following statement about crop rotation is not correct?
- A. it involves alternating legumes with non-legumes
- B. the use of legumes in rotation helps to maintain soil fertility
- C. it encourages the build up of pests and diseases of crop
- D. a good rotation system minimizes exposure of soil to erosion
- E. it reduces infestation of land on rotation by weeds
The soil nutrient which is important as a constituent of plant proteins and hormones is
- A. calcium
- B. magnesium
- C. iron
- D. potassium
- E. sulphur
Which of the following is not component of soil?
- A. air
- B. water
- C. organic matter
- D. microorganism
- E. texture
The disadvantages of land fragmentation include the following except
- A. difficulty in effecting soil conservation practices
- B. unsuitability of mechanising such land
- C. facilitating the use of simple and cheap tools
- D. enhancing wastage of labour
- E. wastage of time in moving from one plot to another
Land tenure system is a process of
- A. conversing soil types
- B. determining the suitability of soil for agriculture
- C. acquiring land for agricultural purposes
- D. determining mineral deficiencies of a soil
- E. developing land for building indutries