ISA Certified Arborist Test Questions with Verified Answers
1. Site of rapid cell division in the shoot tips, root tips, Meristems
and cambium are called .
2. Meristems located at the end of the shoots are called Apical
primary, or meristems.
3. The tendency for terminal buds to inhibit the growth apical dominance
of lateral buds is called .
4. The "food factories" of trees are the . leaves
5. The process of combines carbon dioxide photosynthesis, oxygen
and water in a reaction driven by light to produce
sugars. is also a product of this reaction.
6. The green color of leaves is created by the presence of Chlorophyll
, which is necessary for photosynthe-
sis to take place.
7. is the loss of water vapor from the leaves. Transpiration
8. The opening and closing of allow for gas stomata and guard cells
exchange, and transpiration is controlled by the
.
9. Water and dissolved essential minerals are transport- xylem, phloem
ed within the tree in the . The
conducts carbohydrates.
10. The is a layer of meristematic cells locat- Cambium
ed between the phloem and the xylem.
11. The is formed when trunk tissue grows Branch collar, branch bark
around branch tissues. As the branch and trunk tis- ridge
, ISA Certified Arborist Test Questions with Verified Answers
sues expand against each other in the branch union,
the is formed.
12. protects the branches and trunk of a tree from me- bark
chanical injury and desiccation.
13. Name four functions of the root system any four of the follow-
ing: absorption, conduc-
tion, anchorage, storage,
hormone production
14. Water enters young roots or mycorrhizal roots, in Osmosis
part, by a process called .
15. The orientation of growth in response to an exter- Tropism, ant combination
nal stimulus is called . Two examples are of the following: phototro-
and . pism, geotropism
16. CODIT stands for C O Compartmentalization of
D I T . decay in trees
17. Trees and upright growth and a strong, central leader excurrent, decurrent
are said to exhibit growth. More
rounded trees, which are often broader than they are
tall, have growth habits.
18. Roots and fungi form , which are a Mycorrhizae
symbiotic relationship, aiding in the uptake of water
and minerals.
19. The process by which chemical energy, stored Respiration
as sugar and starch, is released is called
.
, ISA Certified Arborist Test Questions with Verified Answers
20. Trees that lose their leaves in the autumn are called deciduous, evergreen
. Trees that maintain their leaves for
more than one year are called .
21. The classification of plants is called taxonomy
.
22. List the levels of plant classification. The first letter of Kingdom
each term is given. Phylum
K Class
P Order
C Family
O Genus
F Specific Epithet
G
S
23. are vascular plants whose seeds angiosperms, gym-
are covered (by an ovary). are vascu- nosperms
lar plants with "naked seeds."
24. The term "dicotyledon (dicot)" refers to plants that monocotyledons (mon-
have two seed leaves at germination. Grasses, ba- cots)
nana, and palms belong to another group called
and have only one seed leaf.
25. The naming of plants is called . nomenclature
26. Name five plant characteristics used to identify trees. a. form or growth habit
b. bark texture
c. leaves
d. flowers
e. fruit
1. Site of rapid cell division in the shoot tips, root tips, Meristems
and cambium are called .
2. Meristems located at the end of the shoots are called Apical
primary, or meristems.
3. The tendency for terminal buds to inhibit the growth apical dominance
of lateral buds is called .
4. The "food factories" of trees are the . leaves
5. The process of combines carbon dioxide photosynthesis, oxygen
and water in a reaction driven by light to produce
sugars. is also a product of this reaction.
6. The green color of leaves is created by the presence of Chlorophyll
, which is necessary for photosynthe-
sis to take place.
7. is the loss of water vapor from the leaves. Transpiration
8. The opening and closing of allow for gas stomata and guard cells
exchange, and transpiration is controlled by the
.
9. Water and dissolved essential minerals are transport- xylem, phloem
ed within the tree in the . The
conducts carbohydrates.
10. The is a layer of meristematic cells locat- Cambium
ed between the phloem and the xylem.
11. The is formed when trunk tissue grows Branch collar, branch bark
around branch tissues. As the branch and trunk tis- ridge
, ISA Certified Arborist Test Questions with Verified Answers
sues expand against each other in the branch union,
the is formed.
12. protects the branches and trunk of a tree from me- bark
chanical injury and desiccation.
13. Name four functions of the root system any four of the follow-
ing: absorption, conduc-
tion, anchorage, storage,
hormone production
14. Water enters young roots or mycorrhizal roots, in Osmosis
part, by a process called .
15. The orientation of growth in response to an exter- Tropism, ant combination
nal stimulus is called . Two examples are of the following: phototro-
and . pism, geotropism
16. CODIT stands for C O Compartmentalization of
D I T . decay in trees
17. Trees and upright growth and a strong, central leader excurrent, decurrent
are said to exhibit growth. More
rounded trees, which are often broader than they are
tall, have growth habits.
18. Roots and fungi form , which are a Mycorrhizae
symbiotic relationship, aiding in the uptake of water
and minerals.
19. The process by which chemical energy, stored Respiration
as sugar and starch, is released is called
.
, ISA Certified Arborist Test Questions with Verified Answers
20. Trees that lose their leaves in the autumn are called deciduous, evergreen
. Trees that maintain their leaves for
more than one year are called .
21. The classification of plants is called taxonomy
.
22. List the levels of plant classification. The first letter of Kingdom
each term is given. Phylum
K Class
P Order
C Family
O Genus
F Specific Epithet
G
S
23. are vascular plants whose seeds angiosperms, gym-
are covered (by an ovary). are vascu- nosperms
lar plants with "naked seeds."
24. The term "dicotyledon (dicot)" refers to plants that monocotyledons (mon-
have two seed leaves at germination. Grasses, ba- cots)
nana, and palms belong to another group called
and have only one seed leaf.
25. The naming of plants is called . nomenclature
26. Name five plant characteristics used to identify trees. a. form or growth habit
b. bark texture
c. leaves
d. flowers
e. fruit
