12 Days of Quizzes

Day 12

Well, Christmas Day has passed us by for another year an the New Year is on the horizon. If your New Year resolution is to pass the California Supplemental Exam, you are in the right place.

Scrape up a plate of Christmas cookies and test your knowledge with another CSE quiz. This is the final quiz in the 12 Days of Quizzes series.

On the 12th Day of Christmas…

On the Twelfth Day of Christmas, my true love gave to me…twelve drummers drumming…

Twelve drummers drumming remind me of the pounding of construction equipment on a job site.

All of this machinery can cause soil compaction. Since soil is one of the most important factors in the success or failure of any landscape project, let’s examine some important facts about soil that you need to know for the CSE exam.

Soil Topics and the California Supplemental Exam

Soil compaction is bad for plant roots since compacted soil has fewer and smaller pores for roots, water, and air which plants need to thrive. Conversely, compacted soil is necessary to create stable sub-grade surfaces for structures and building foundations.

On this last day in the 12 Days of Quizzes series, we will examine soil-related issues. Let’s get started.

Quiz 12: Soil Topics and the California Supplemental Exam

1. The main reason for testing a soil for pH and N-P-K is to determine its _________.

 bearing capacity
 permeability
 fertility
 plasticity

2. Which of the following are a grain size category used to classify soil particles? There may be more than one correct selection.

 gravel
 sand
 clay
 humus
 silt

3. Which of the following is not an important determinant of the plant growing capabilities of topsoil?

 drainage
 humus
 acidity
 available nutrients
 color

4. Select the best description of loam soil?

 the ideal blend of sand, silt, and clay mixed in the right proportions that promote optimal growth for most plant species
 soil that has over 20% organic matter by volume
 imported topsoil with manure and a organic matter blended together; useful for amending soil for new plant installations
 soil that drains poorly and should be avoided

5. Which characteristic is not true of clay soils?

 Clay soils tend to shrink when dry and swell when wet.
 Clay soils tend to be excessively drained and hold less water than sandy soils.
 Clay soils have more pore space than other soils.
 Clay soils have the smallest average particle size of the three main soil classifications

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More Quizzes

More quizzes can be found on the 12 Days of Quizzes page.

If you are looking for a study guide to help you prepare to pass the CSE the first time, check out Pass the California Supplemental Exam for Landscape Architects study guide e-book.

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About John

John is a landscape architect who is currently preparing to take the California Supplemental Exam to become licensed in California. He is currently a licensed professional landscape architect in Georgia and Florida. John graduated from California State University, Pomona with a BSLA degree in landscape architecture in 1997 and has extensive practice experience in residential and commercial landscape design.