National Open University Exam Past Question – SOS 301 INTRODUCTIONS TO PEDOLOGY AND SOIL CLASSIFICATION
NATIONAL OPEN UNIVERSITY OF NIGERIA SOS 301 INTRODUCTIONS TO PEDOLOGY AND SOIL CLASSIFICATION
14-16 AHMADU BELLO WAY, VICTORIA ISLAND LAGOS
SCHOOL OF AGRICULTURAL SCIENCES
OCTOBER/NOVEMBER 2014 EXAMINATION
COURSE CODE: SOS 301
COURSE TITLE: INTRODUCTIONS TO PEDOLOGY AND SOIL CLASSIFICATION
INSRUCTION: Answer Any Four Questions in
TIME ALLOWED: 2 1/2 hours
Question 0ne
Discuss the types and importance of soil amendment to agriculture
Question Two
a) What is soil?
b) Briefly enumerate the importance of soil to man
c) Based on particle size analysis, list the three 3 basic types of soils
Question Three
a) Describe the structure call Rock b) List the 3 types of rocks
c) Write a short descriptive note on each of the rock types
Question four
a) What is weathering?
b) List the common types of weathering
c) Write a comprehensive note on physical weathering
Question five
a) List the 3 basic groups of soil properties
b)List and discuss the soil physical and biological properties
Question Six
a) List the components of i) chemical weathering ii) biological weathering b) Describe soil formation under passive and active factors