Question 1
Which of the following is NOT one of the five soil-forming factors identified by Hans Jenny?
Correct Answer:
Soil texture
Question 2
What is the primary mineral component of the clay fraction responsible for the high cation exchange capacity (CEC) of Vertisols?
Correct Answer:
Smectite (montmorillonite)
Question 3
A soil horizon designated 'Bt' indicates which of the following processes?
Correct Answer:
Accumulation of illuvial clay
Question 4
Which soil order is characterized by a mollic epipedon and base saturation of 50% or more throughout the upper part of the profile?
Correct Answer:
Mollisols
Question 5
What is the approximate cation exchange capacity (CEC) range for kaolinite clay?
Correct Answer:
3-15 cmol(+)/kg
Question 1
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About this Exam

Prepare with the CPSS Practice Questions - Certified Professional Soil Scientist Exam practice quiz. This question bank includes 100 questions covering soil, soils, capacity, primary, and clay. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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CPSS Practice Questions - Certified Professional Soil Scientist Exam

This practice set contains 100 questions from the matching question bank and focuses on soil, soils, capacity, primary, and clay. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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