ISA Certified Arborist exam 2023 with
100% correct answer -
Site of rapid cell division in the shoot tips, root tips, and cambium are called ________________. -
correct answer -Meristems
Meristems located at the end of the shoots are called primary, or ______________ meristems. - correct
answer -Apical
The tendency for terminal buds to inhibit the growth of lateral buds is called ______________. - correct
answer -apical dominance
The "food factories" of trees are the _________. - correct answer -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. - correct answer -photosynthesis,
oxygen
The green color of leaves is created by the presence of _________________, which is necessary for
photosynthesis to take place. - correct answer -Chlorophyll
is the loss of water vapor from the leaves. - correct answer -Transpiration
The opening and closing of _________ allow for gas exchange, and transpiration is controlled by the
__________ _________. - correct answer -stomata and guard cells
Water and dissolved essential minerals are transported within the tree in the ___________. The
____________ conducts carbohydrates. - correct answer -xylem, phloem
, The ______________ is a layer of meristematic cells located between the phloem and the xylem. -
correct answer -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. - correct answer -Branch collar, branch bark ridge
protects the branches and trunk of a tree from mechanical injury and desiccation. - correct answer -bark
Name four functions of the root system - correct answer -any four of the following: absorption,
conduction, anchorage, storage, hormone production
Water enters young roots or mycorrhizal roots, in part, by a process called _________________. -
correct answer -Osmosis
The orientation of growth in response to an external stimulus is called _____________. Two examples
are ____________ and _______________________. - correct answer -Tropism, ant combination of the
following: phototropism, geotropism
CODIT stands for C________________ O________ D___________ I__________ T_____________. -
correct answer -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. -
correct answer -excurrent, decurrent
Roots and fungi form __________________, which are a symbiotic relationship, aiding in the uptake of
water and minerals. - correct answer -Mycorrhizae
The process by which chemical energy, stored as sugar and starch, is released is called
_____________________. - correct answer -Respiration
100% correct answer -
Site of rapid cell division in the shoot tips, root tips, and cambium are called ________________. -
correct answer -Meristems
Meristems located at the end of the shoots are called primary, or ______________ meristems. - correct
answer -Apical
The tendency for terminal buds to inhibit the growth of lateral buds is called ______________. - correct
answer -apical dominance
The "food factories" of trees are the _________. - correct answer -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. - correct answer -photosynthesis,
oxygen
The green color of leaves is created by the presence of _________________, which is necessary for
photosynthesis to take place. - correct answer -Chlorophyll
is the loss of water vapor from the leaves. - correct answer -Transpiration
The opening and closing of _________ allow for gas exchange, and transpiration is controlled by the
__________ _________. - correct answer -stomata and guard cells
Water and dissolved essential minerals are transported within the tree in the ___________. The
____________ conducts carbohydrates. - correct answer -xylem, phloem
, The ______________ is a layer of meristematic cells located between the phloem and the xylem. -
correct answer -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. - correct answer -Branch collar, branch bark ridge
protects the branches and trunk of a tree from mechanical injury and desiccation. - correct answer -bark
Name four functions of the root system - correct answer -any four of the following: absorption,
conduction, anchorage, storage, hormone production
Water enters young roots or mycorrhizal roots, in part, by a process called _________________. -
correct answer -Osmosis
The orientation of growth in response to an external stimulus is called _____________. Two examples
are ____________ and _______________________. - correct answer -Tropism, ant combination of the
following: phototropism, geotropism
CODIT stands for C________________ O________ D___________ I__________ T_____________. -
correct answer -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. -
correct answer -excurrent, decurrent
Roots and fungi form __________________, which are a symbiotic relationship, aiding in the uptake of
water and minerals. - correct answer -Mycorrhizae
The process by which chemical energy, stored as sugar and starch, is released is called
_____________________. - correct answer -Respiration
