Agricultural Science Questions
Question 1361:
The largest kola-nut producing vegetation zone in West Africa is the
- A Sahel savanna
- B Sudan savanna
- C Derived savanna
- D Mangrove swamp
Question 1362:
Which of the following processes does not lead to the physical disintegration of rocks? The
- A Heating and cooling of rock surfaces
- B Expansion and contarction of rock minerals
- C Formation of cracks and crevices
- D Rapid cooling and solidification of rocks
Question 1363:
The two main elements of climate which affect soil formation are
- A Rainfall and temperature
- B Rainfall and air
- C Temperature and light
- D Wind and relative hunidity
Question 1364:
Soil erosion caused by water can be controlled by
- A Overgrazing and bush burning
- B Ploughing and harrowing
- C Land clearing and stumping
- D Afforestation and erection of bunds
Question 1365:
Although clayey soils are rich in nutrients, they are not good for most agricultural crop production because they
- A Do not release their nutrients
- B Are too compact and poorly aerated
- C Lose their nutrients too readily after rains
- D Contain too much iron,aluminium and boron