ISA - Arborist Certification Test - Chapter 3 /21
Verified Questions With Complete Solutions (Rated
A+)
√Answer o, a - Quiz :The majority of fine, absrobing roots of a tree are in the __
and __ horizons.
√Answer :compact, pore space - Quiz :Driving vehicles across wet soil will
_____ the soil and destroy soil _____ _____.
√Answer :Buffering Capacity - Quiz :_____ ______ is the soil property that
resists changes to the pH.
√Answer :True - Quiz :True/False - Negatively charged clay particles hold
cations near their surface.
√Answer :soil structure - Quiz :______ _______ modifies the effects of soil
texture as the soil particles form clumps or aggregates.
√Answer :acidic, neutral, alkaline - Quiz :On the pH scale, less that 7 is ____, 7
is ____ and more that 7 is _____.
√Answer :100 - Quiz :A pH of 5 is ____ times more acidic than a pH of 7
√Answer :leaching - Quiz :the process in which ions of essential element wash
down through the soil profile and are lost is called ______.
√Answer :cations - Quiz :Many essential elements are dissolved in soil water in
the form of positively charged particles called _____.
√Answer :alkaline - Quiz :If the soil is to ______, iron an manganese may be in
chemical from that is unavailable to trees.
√Answer :rhizosphere - Quiz :The ______ is the zone of intense biological
activity near the actively elongating roots.
√Answer :buffering capacity - Quiz :ability to maintain pH
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