ISA Certified Arborist Exam Prep | Arborist Test with
125 Questions and Detailed Solutions; for the
International Society of Arboriculture's Certified
Arborist Certification Examination
Site of rapid cell division in the shoot tips, root tips, and
cambium are called ________________.
Meristems
Meristems located at the end of the shoots are called
primary, or ______________ meristems.
Apical
The tendency for terminal buds to inhibit the growth of
lateral buds is called ______________.
apical dominance
The "food factories" of trees are the _________.
leaves
The process of ____________ combines carbon dioxide
and water in a reaction driven by light to produce sugars.
_____________ is also a product of this reaction.
photosynthesis, oxygen
The green color of leaves is created by the presence of
_________________, which is necessary for
photosynthesis to take place.
Chlorophyll
is the loss of water vapor from the leaves.
Transpiration
The opening and closing of _________ allow for gas
exchange, and transpiration is controlled by the
__________ _________.
stomata and guard cells
Water and dissolved essential minerals are transported
within the tree in the ___________. The ____________
conducts carbohydrates.
xylem, phloem
The ______________ is a layer of meristematic cells
located between the phloem and the xylem.
, Cambium
The ______ ________ is formed when trunk tissue grows
around branch tissues. As the branch and trunk tissues
expand against each other in the branch union, the
__________ ______ ________ is formed.
Branch collar, branch bark ridge
protects the branches and trunk of a tree from mechanical
injury and desiccation.
bark
Name four functions of the root system
any four of the following: absorption, conduction, anchorage,
storage, hormone production
Water enters young roots or mycorrhizal roots, in part, by
a process called _________________.
Osmosis
The orientation of growth in response to an external
stimulus is called _____________. Two examples are
____________ and _______________________.
Tropism, ant combination of the following: phototropism,
geotropism
CODIT stands for C________________ O________
D___________ I__________ T_____________.
Compartmentalization of decay in trees
Trees and upright growth and a strong, central leader are
said to exhibit _________________ growth. More rounded
trees, which are often broader than they are tall, have
______________ growth habits.
excurrent, decurrent
Roots and fungi form __________________, which are a
symbiotic relationship, aiding in the uptake of water and
minerals.
Mycorrhizae
The process by which chemical energy, stored as sugar
and starch, is released is called _____________________.
Respiration
125 Questions and Detailed Solutions; for the
International Society of Arboriculture's Certified
Arborist Certification Examination
Site of rapid cell division in the shoot tips, root tips, and
cambium are called ________________.
Meristems
Meristems located at the end of the shoots are called
primary, or ______________ meristems.
Apical
The tendency for terminal buds to inhibit the growth of
lateral buds is called ______________.
apical dominance
The "food factories" of trees are the _________.
leaves
The process of ____________ combines carbon dioxide
and water in a reaction driven by light to produce sugars.
_____________ is also a product of this reaction.
photosynthesis, oxygen
The green color of leaves is created by the presence of
_________________, which is necessary for
photosynthesis to take place.
Chlorophyll
is the loss of water vapor from the leaves.
Transpiration
The opening and closing of _________ allow for gas
exchange, and transpiration is controlled by the
__________ _________.
stomata and guard cells
Water and dissolved essential minerals are transported
within the tree in the ___________. The ____________
conducts carbohydrates.
xylem, phloem
The ______________ is a layer of meristematic cells
located between the phloem and the xylem.
, Cambium
The ______ ________ is formed when trunk tissue grows
around branch tissues. As the branch and trunk tissues
expand against each other in the branch union, the
__________ ______ ________ is formed.
Branch collar, branch bark ridge
protects the branches and trunk of a tree from mechanical
injury and desiccation.
bark
Name four functions of the root system
any four of the following: absorption, conduction, anchorage,
storage, hormone production
Water enters young roots or mycorrhizal roots, in part, by
a process called _________________.
Osmosis
The orientation of growth in response to an external
stimulus is called _____________. Two examples are
____________ and _______________________.
Tropism, ant combination of the following: phototropism,
geotropism
CODIT stands for C________________ O________
D___________ I__________ T_____________.
Compartmentalization of decay in trees
Trees and upright growth and a strong, central leader are
said to exhibit _________________ growth. More rounded
trees, which are often broader than they are tall, have
______________ growth habits.
excurrent, decurrent
Roots and fungi form __________________, which are a
symbiotic relationship, aiding in the uptake of water and
minerals.
Mycorrhizae
The process by which chemical energy, stored as sugar
and starch, is released is called _____________________.
Respiration
