Edition Steele
The following is not a characteristic of an insect:
A. Three segmented body
B. Six legs
C. Two pairs of wings
D. Two tentacles - ANSWER:D. Two tentacles
The following is not used to measure greenhouse crop nutrient levels:
A. Soil tests
B. Soluble salts meter
C. Foliar analysis
D. Tensiometer - ANSWER:D. Tensiometer
Light intensity can be measured in units of:
A. Nanometers
B. Micrometers
C. Foot-candles
D. Newtons - ANSWER:C. Foot-candles
A ___________results from crossing parents of different genotype for a trait.
A. clone
,B. scion
C. species
D. hybrid - ANSWER:D. hybrid
The ________ transports water and nutrients from the roots to other parts of the plant.
A. phloem
B. xylem
C. pith
D. cambium - ANSWER:B. xylem
Crassula argentea is the botanical name for Jade Plant. Crassula is the _______ of the plant.
A. family
B. cultivar
C. species
D. genus - ANSWER:D. genus
Indolebutyric acid (IBA) is commonly used to:
A. control insects
B. control diseases
C. raise soil pH
D. promote rooting of cuttings - ANSWER:D. promote rooting of cuttings
Signal words on labels alert the user to the toxicity of a pesticide. Which of the following words is not
used as a signal word?=
A. DANGER
B. HAZARDOUS
,C. CAUTION
D. WARNING - ANSWER:B. HAZARDOUS
Which of the following flower parts is contained in the pistil?
A. sepal
B. receptacle
C. anther
D. style - ANSWER:D. style
_________ is the process of softening or breaking a seed coat in order to overcome seed dormancy.
A. Scarification
B. Stratification
C. Ratification
D. Augmentation - ANSWER:A. Scarification
Prior to transplanting, seedlings should be _______________.
A. kept in the dark.
B. grown at a temperature of 90°F.
C. hardened-off
D. allowed to dampen-off. - ANSWER:C. hardened-off
In order to lower the pH of a soil, materials containing ________ are used.
A. dolomite
B. lime
C. hydrated lime
, D. sulfur - ANSWER:D. sulfur
Which of the following nutrients would be retained more by a root medium with high cation exchange
capacity (CEC)?
A. Potassium
B. Phosphate
C. Nitrate
D. Sulfate - ANSWER:A. Potassium
Soluble salts in medium is measured by electrical conductivity (EC). An appropaite EC range for flowering
potted crops using the pour through extraction method is:
A. 0.25mS/cm to 0.75 mS/cm
B. 0.5 mS/cm to 2.0 mS/cm
C. 1.0 mS.cm to 4.6 mS/cm
D. 3.0 mS.cm to 6.2 mS/cm - ANSWER:C. 1.0 mS.cm to 4.6 mS/cm
Soilless medium can be amended with which of the following materials prior to potting to provide
magnesium?
A. Epsom Salt
B. Gypsum
C. Micronutrients mix
D. Triple superphospate - ANSWER:A. Epsom Salt
The Worker Protection Standards (WPS) developed for agriculture pesticides was implemented by what
government agency?
A. United States Department of Agriculture
B. Agriculture Cooperative Extension Service