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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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Soil 213: Soil Genesis And Classification Question Paper

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