Waec Agricultural Science 2005 Past Questions and Answers

Question 11:

• WAEC 2005

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 12:

• WAEC 2005

The most active agent of physical weathering in arid regions is

A. Wind
B. Water
C. Temperature
D. Ice

Question 13:

• WAEC 2005

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 14:

• WAEC 2005

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 15:

• WAEC 2005

Under which of the following conditions will organic matter in the soil decompose fastest?

A. Optimum pH
B. Low temperature
C. Anaerobic conditions
D. Waterlogged condition