Waec Agricultural Science Past Questions For Year 2005
Question 11
Clay particles hold cations because they
- A. are negatively charged
- B. become hardened when dry
- C. are very small in size
- D. have definite shapes
Question 12
Soils in forest areas would normally have
- A. low moisture content
- B. high proportion of sand
- C. high proportion of humus
- D. low microbial activity
Question 13
The most active agent of physical weathering in arid regions is
- A. wind
- B. water
- C. temperature
- D. ice
Question 14
The first vegetation zone which runs across the coast of most West African countries is the
- A. derived savanna
- B. mangrove forest
- C. guinea savanna
- D. rain forest
Question 15
Energy in fossil materials may be harnessed as
- A. water energy
- B. wind energy
- C. electrical energy
- D. fuel energy
