meristems - -site of rapid cell division in the shoot
tips, root tips, and cambium:
branch bark ridge - -as branch and trunk tissues
expand against each other int he branch union, the
apical - -meristems located at the end of the shoots ______________ _______________ _____________is
are called primary, or _________________ meristems formed
apical dominance - -the tendency for terminal buds bark - -______________ protects the branches and
to inhibit the growth of lateral buds is called trunk of a tree from mechanical injury and desiccation
________________
osmosis - -water enters young roots or mycorrhizal
leaves - -the food factories of trees are the roots in part, by a process called _____________
______________
tropism - -the orientation of growth in response to an
photosynthesis - -the process of ______________ external stimulus is called ______________
combines carbon dioxide and water in a reaction driven by
light to produce sugars...also produces oxygen
compartmentalization od decay in trees - -CODIT
stands for _____________
chlorophyll - -the green color of leaves is created by
the presence of _____________, which is necessary for
photosynth to take place excurrent - -trees with upright growth and strong
central leader are ______________
transpiration - -the loss of water vapor from leaves
decurrent - -trees with rounded, broader multi-leader
growth habit are ______________
stomata - -the opening and closing of
_____________ allow for gas exchange
mycorrhizae - -roots and fungi form _____________
guard cells - -transpiration is controlled by
___________ respiration - -the process by which chemical energy,
stored as sugar and starch, is released is called
_______________
xylem - -water and dissolved essential minerals are
transported within the tree in the ______________
deciduous - -trees that lose their leaves in the
autumn
phloem - -carbohydrates are conducted through the
tree in the ____________
evergreen - -trees that maintain their leaves for
more than one year
cambium - -the ____________ is a layer of
meristematic cells located between the phloem and xylem
taxonomy - -the classification of plants
branch collar - -the _____________
_______________ is formed when trunk tissue grows angiosperms - -plants whose seeds are covered
around branch tissues. (not conifers)
, Arborist Certification Test Prep with Verified Answers
1- -in 1 foot of clay soil with 4 inches of water would
gymnosperms - -plants with naked seeds (conifers) in the soil approximately how many inches of water would
be available to the tree
dicotyledon (dicot) - -plants with two seed leaves at
germination true - -T/F- soil can hold water so tightly in
micropores that the ability of tree roots to absorb the water
is restricted
monocotyledons (monocots) - -plants with only one
seed leaf at germination (grasses, banana, palms)
clay - -which is most fine? sand, silt, or clay
nomenclature - -the naming of plants
sand - -which is most coarse? sand silt or clay
one - -a compound leaf with multiple leaflets will
have how many bud(s) true - -T/F- over time mulching can improve soil
structure, reduce compaction, and add organic matter to
soil
genus - -in the scientific name Acer saccharum,
"Acer" identifies the _____________
100 - -A pH of 5 is ____ times more acidic than a pH
of 7
varieties/cultivars - -species are often subdivided
into ________________ that have distinct differences
from the general species leaching - -the process in which ions of essential
elements wash down through the soil profile and are lost is
called _____
cultivar - -a ___________________ is a cultivated
variety
cations - -many essential elements are dissolved in
soil water in the form of positively charged particles called
opposite - -when two leaves and/or buds are ______
located at the same node on a twig, the arrangement is
called ________________
alkaline - -if soil is too _____ , iron and manganese
may be in a chemical form that is unavailable to trees
O,A - -the majority of absorbing roots are in the
_____ _____ horizons
high - -clay soils and soils high in organic matter
usually have a _____ buffering capacity
compact, pore space - -driving on wet soil will
_____ the soil and destroy soil ______ _____
rhizosphere - -the ________ zone is the zone of
intense biological activity near the actively elongating roots
buffering capacity - -_____ _____ is the soil
property that resists change to the pH
soil food web - -the diversity of living organisms
moving and interacting in the soil is called the ___ ____
True - -T/F- negatively charged clay particles hold ____
cations near the surface