Soil 213: Soil Genesis And Classification Question Paper
Soil 213: Soil Genesis And Classification
Course:Bachelor Of Science In Agriculture
Institution: Chuka University question papers
Exam Year:2013
CHUKA
UNIVERSITY
UNIVERSITY EXAMINATIONS
SECOND YEAR EXAMINATION FOR THE AWARD OF
DEGREE OF BACHELOR OF SCIENCE IN AGRICULTURE
SOIL 213: SOIL GENESIS AND CLASSIFICATION
STREAMS: BSC (AGRIC) Y2S2 TIME: 2 HOURS
DAY/DATE: WEDNESDAY 14/8/2013 11.30AM – 1.30 PM
INSTRUCTIONS:
Answer All Questions in Section A and any Other Two Questions in Section B
SECTION A (TOTAL 30 MARKS)
1. (a) Briefly discuss the four main constituents of soil. [6 Marks]
(b) Explain the difference between soil structure and soil texture. [4 Marks]
2. (a) Explain the term weathering and the types that occur. [6 Marks]
(b) Briefly explain why soil mapping units are classified. [3 Marks]
3. List the letters used to designate the “Master Soil Horizons” and explain what each
means. [6 Marks]
4. What do the three components (hue, value, and chroma) of soil color designation each mean? [5 Marks]
SECTION B (TOTAL 40 MARKS)
5. Explain the 5 soil-forming factors and their importance. [20 Marks]
6. Define soil taxonomy and briefly describe how soil is classified. [20 Marks]
7. Describe the 5 categories of land classification emphasizing on the use in each category. [20 Marks]
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