ISA Certified Arborist Questions And Answers 2024
Pair of specialized cells that regulate the opening and closing of stomate due to the change in water pressure within cells. Answer guard cells
Absorb and conduct water and minerals, anchor and support plant, storage of extra food and produce h...
ISA Certified Arborist Questions And Answers 2024
Pair of specialized cells that regulate the opening and closing of
stomate due to the change in water pressure within cells.
Answer guard cells
Absorb and conduct water and minerals, anchor and support
plant, storage of extra food and produce hormones. Answer
Functions of root system
Tendency of growth or variation of a plant in response to an
external stimulus such as gravity or light. Answer Tropism
plant growth produced as a response to the force of gravity,
either positive, as in the direction of gravity (roots), or negative,
as in opposite the direction of gravity (shoots) Answer
Geotropism
Influence of light on the direction of plant growth. Tendency of
plants to grow toward light.: Answer Phototropism
tree growth habit characterized by a central leader and
pyramidal crown. Answer excurrent
rounded or spreading growth habit of the crown of a tree.
Answer decurrent
In plants, process by which carbohydrates are converted into
energy by using oxygen. Answer Respiration
Plants with exposed seeds, usually within cones. Answer
Gymnosperms
Plant with seeds born in an ovary. Consists of two large groups:
monocotyledons (grasses, palms, and related plants) and
dicotyledons (mostly woody trees, shrubs and herbaceous
plants, and related plants). Answer Angiosperms
, Results from the breakdown of chlorophyll and the expression
of other pigments in the leaf. Anthocyanins (reds and purples)
and carotenoids (yellows, oranges and reds) are expressed.
Answer Fall foliage color
naturally occurring compounds that act in small quantities to
regulate plant growth and development.
•Auxin, gibberellins, cytokinins, ethylene, abscissic acid
Answer plant growth regulators
Science that studies the description, denomination, and
classification of living organisms based on their similarities and
differences Answer Taxonomy
Study of the form and structure of plants and other living
organisms Answer Morphology
Plant with two cotyledons in its embryo; netted or palmate leaf
veins; and flowers with three, four, or five petals, or petals in
multiples of these numbers Answer Dicotyledon
Plant with an embryo that has one seed leaf (cotyledon).
Examples are grasses and palms. Answer Monocotyledon
Type of compound leaf with veins or leaflets radiating in a
fanlike pattern. Answer Palmate
Type of compound leaf, with leaflets along each side of a
compound axis. Answer Pinnate
Leaf with two or more leaflets. Answer compound leaf
a leaf with a single blade Answer simple leaf
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