The alternate heating and cooling of rocks will result in
- A. sublimation
- B. solidification
- C. fragmentation
- D. molten magma
Which of the following is not correct about the importance of agriculture?
- A. provision of the raw materials for agro-based industries
- B. serving as main source of foreign exchange
- C. supply of food
- D. provision of employment
A characteristic feature of subsistence agriculture is
- A. diseases control
- B. supply of labour by farm families
- C. wholesale of farm harvest
- D. purchasing of seeds for planting
In the nitrogen cycle , nitrite is oxidized to nitrate by
- A. nitrobacter
- B. nitrosomonas
- C. azotobacter
- D. rhizobium
The replacement of traditional farming methods with modern methods is a step in agricultural
- A. expansion
- B. education
- C. development
- D. diversification
Financial assistance from the government to the farmers is usually in the following forms except
- A. tax
- B. loans
- C. credit
- D. subsidy
The following are characteristics of quartz except
- A. having cleavage
- B. being granular
- C. being glass-like
- D. having shiny surface
Although clay soil is rich in nutrients, they are not good for most agricultural crop production because they do not release their nutrients are too compact and poorly aerated contain too much iron, aluminum, and boron lose their nutrient too readily after rain
- A. do not release nutrients
- B. are too compact or poorly aerated
- C. contains too much iron,aluminum and boron
- D. lose their nutrient readily after rain
The most important factor that determines the rate of agricultural development in a country is the
- A. number of machinery available in the country
- B. readiness of farmers to adopt viable agricultural research results
- C. quantity of herbicides used in the country
- D. provision of raw materials for industries
The diagram above illustrates a reproductive process in a farm animal, study the process and answer the questions:
- A. gestation
- B. heat
- C. ovulation
- D. lactation
The factors that affect the number and the activities of soil micro-organisms include the following except
- A. soil moisture
- B. top biography
- C. degree of soil acidity
- D. soil aeration
Which of the following will not lead to loss of nitrogen compound from the soil?
.
- A. burning
- B. crop removal
- C. lodging
- D. leaching
Which of the following processes will not lead to the loss of nutrients from the soil?
- A. leaching
- B. harvesting
- C. erosion
- D. mulching
Which of the following soil water is tightly held to the surface of the soil particles?
- A. capillary water
- B. superfluous water
- C. hygroscopic water
- D. gravitational water
Which of the following processes does not lead to the physical disintegration of rock?
- A. expansion and contraction of rock minerals
- B. formation of cracks and cervices in the rocks
- C. heating and cooling of rock surface
- D. rapid cooling and solidification of rocks
Igneous rocks formed within the crust are called
- A. plutonic
- B. volcanic
- C. stratified
- D. guartzite
The roles of government in the development of agriculture include the following except
- A. provision of subsidies
- B. establishment of farm settlements
- C. training of farmers children
- D. recommending loans
The horizon of the soil profile that encourages the greatest level of microbial activity is
- A. D -horizon
- B. A-horizon
- C. C-horizon
- D. B-horizon
Food shortage can be minimized by
- A. hoarding
- B. natural hazards
- C. illegal exportation of farm produce
- D. efficient pest control services
Which of the following uses of land should be given more attention in Nigeria for self-sufficiency in food production?
- A. building of research centi-es
- B. establishment of wildlife
- C. establishment of agriculture and forestry
- D. construction of roads
Which of the following defines agriculture?
- A. a way of life by which farmers produced food
- B. the raising of crops to satisfy human needs
- C. the science and art of farming to satisfy human needs
- D. the raising of farm animals by rural communities