Waec Agricultural Science 2016 Past Questions and Answers

Question 11:

• WAEC 2016

Land is said to be a fixed asset in Agriculture. This means that

A. Its features and topography are fixed
B. Soil nutrients and its vegetative cover can be replaced
C. Its size remains fixed over time
D. Its micro organic composition is constant over time

Question 12:

• WAEC 2016

The most limiting factor affecting land availability for agriculture in urban settlements is

A. Soil type
B. Topography
C. Climate
D. Population pressure

Question 13:

• WAEC 2016

Rhizobium supplies nitrogen to leguminous plants by

A. Incorporating urea into their bodies
B. Fixing atmospheric nitrogen into the soil
C. Decomposing plant and animals remains
D. Decreasing the pH value of the soil

Question 14:

• WAEC 2016

An example of igneous rock is

A. Granite
B. Limestone
C. Coal
D. Sandstone

Question 15:

• WAEC 2016

In chemical weathering of rocks, the equation Fe,₂O₃+3H₂O → Fe₂O₃3H₂O represents

A. Carbonation
B. Hydration
C. Solution
D. Oxidation