Agricultural Science 2001 Waec Past Questions and Answers

Question 11 :

• WAEC 2001

The physical factor affecting crop production is

A. Man
B. Temperature
C. Micro-organisms
D. Vegetation

Question 12 :

• WAEC 2001

The most active agent of physical weathering of rocks in arid regions is

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

Question 13 :

• WAEC 2001

The chemical weathering that is responsible for changing haematite to limestone is

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

Question 14 :

• WAEC 2001

Liming is used to correct soil's

A. Neutrality
B. Acidity
C. Cation exchange capacity
D. Porosity

Question 15 :

• WAEC 2001

A vertical section through the soil is referred to as soil

A. Profile
B. Horizon
C. Structure
D. Texture