ORNAMENTALS GREENLIGHT EXAM
2026-2027 ACTUAL (2026) UPDATE
2026\2027 COMPLETE EXAM Questions
With Correct Detailed & Verified
ANSWERS (100% Accurate Solutions)
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Chlorophyll A - ANSWERS-Only pigment that can participate directly in the light
reactions.
Chlorophyll B - ANSWERS-accessory pigment, does not actively participate in
photosynthesis.
Conifers - ANSWERS-Needle-leaved or scale-leaved, mainly evergreen, cone-bearing
trees or shrubs. Includes pines, spruces and firs.
Contact herbicides - ANSWERS-Kill or stunts parts of the weed that are treated with the
chemical. Most effective against annual weeds.
Control list - ANSWERS-Prohibited noxious weeds for which efforts must be made to
prevent the spread, maturation and dispersal of and propagating plants.
Controlled droplet - ANSWERS-Rotary spray nozzles or controlled droplet applicators.
Spray droplets fall nearly vertically onto the target. Can vary with cup diameter, speed
and flow rates.
, Abiotic - ANSWERS-related to factors or things that are separate and independent from
living things; nonliving (air pollutants, wind, water, temperature)
Abiotic stresses - ANSWERS-Caused by unfavorable growing conditions (drought,
wind, flood)
Absorption - ANSWERS-The movement of pesticides into plants and, to a lesser
degree, soil microorganisms.
Adjuvant/Additive - ANSWERS-Substance added to a pesticide to improve its
effectiveness, usability or safety such as penetrants, spreader-stickers, storage
stabilizers and wetting agents.
adventitious roots - ANSWERS-roots produced by certain stems if roots are separated
from the plant or if injury occurs.
Adsorption - ANSWERS-Adhesion of an ultra thin layer of molecules to the surface of
particles. The molecules do not penetrate the surface.
Aesthetic threshold - ANSWERS-pest population density level when pest management
methods must be applied to prevent reaching unacceptable levels of aesthetic damage
to a plant or landscape
Alleopathy - ANSWERS-chemical inhibition of one plant by another
Annual - ANSWERS-A plant that completes its life cycle in one year
Aquatic life - ANSWERS-Fish, invertebrates and others that live in water.
Bacteria/Bacterium - ANSWERS-Single celled organisms, some of which cause disease
in plants and animals