PLS 6 Exam A+ Pass 2025 New Update
Which flower parts are part of the stamen?
a. Stigma, style
b. Anther, filament
c. Leaf, stem
d. Petals, sepals - Answer- b. Anther, filament
1 - Which flower parts are part of the carpel?
a. Stigma, style
b. Anther, filament
c. Leaf, stem
d. Petals, sepals - Answer- a. Stigma, style
Prof Lieth was inspired to create to Flower Power course when he read "Flower
Confidential" on one of his business trips. Which of the following was the purpose of that
trip?
a. To buy plants for use in a research project
b. To help growers figure out which flowering plants would sell best to various market
segments
c. To boost horticultural flower production capacity as a means for creating peace in a
country that had been at war
a. To create a new UC center as part of the education abroad program - Answer- c. To
boost horticultural flower production capacity as a means for creating peace in a country
that had been at war
Which country was Prof Lieth vising at the time that he was inspired to create the
Flower Power course?
a. China
b. Colombia
c. Equador
d. Montenegro
e. The Netherlands - Answer- d. Montenegro
Sepals - Answer- located at base of flower; surround and protect the bud
petals - Answer- located above sepals; frequently brightly colored (attracts pollinators)
Receptacle - Answer- holds all the flower structures together
Pedicel - Answer- stem of flower
, Stamen - Answer- Male reproductive structure
attached above petals
consists of filament and anther (produces pollen)
Carpel (Pistil) - Answer- Female reproductive structure - centrally located
consists of: stigma (catches pollen), style - tube, ovary - contains one or more ovules
Perfect flower - Answer- contains both stamens and pistils, male and female parts in the
same flower (ex. stargazer lily)
Imperfect flower - Answer- individual flower is either male or female
Monoecious flower - Answer- male and female flowers appear on the same plant (ex.
squash)
Dioecious flower - Answer- a specimen of the plant is either male or female (ex. Ginko
tree)
Complete flower - Answer- has sepals, petals, stamens, and carpels
Incomplete flowers - Answer- lacks one ore more of the 4 basic components of a flower
(Sepals, petals, stamens, carpel)
all imperfect flowers are incomplete
Simple flower - Answer- one single flower per stalk
Compound flower - Answer- inflorescence looks like many flowers on one stalk (ex.
gladiolas)
what are the 3 forms of compound flowers? - Answer- raceme, spike, and corymb
Raceme compound flowers - Answer- unbranched, indeterminate inflorescence with
pedicellate (short floral stalks) flowers along the axis (ex. lily of the valley
Spike compound flowers - Answer- type of raceme that does not have a pedicel (ex.
gladiolus)
corymb compound flowers - Answer- unbranched, indeterminate inflorescence that is
flat-topped or convex (ex. boneset)
Bilateral flower symmetry - Answer- divided by only a single plane into two mirror-image
halves
Radial flower symmetry - Answer- capable of being divided into equal halves along any
diameter
Which flower parts are part of the stamen?
a. Stigma, style
b. Anther, filament
c. Leaf, stem
d. Petals, sepals - Answer- b. Anther, filament
1 - Which flower parts are part of the carpel?
a. Stigma, style
b. Anther, filament
c. Leaf, stem
d. Petals, sepals - Answer- a. Stigma, style
Prof Lieth was inspired to create to Flower Power course when he read "Flower
Confidential" on one of his business trips. Which of the following was the purpose of that
trip?
a. To buy plants for use in a research project
b. To help growers figure out which flowering plants would sell best to various market
segments
c. To boost horticultural flower production capacity as a means for creating peace in a
country that had been at war
a. To create a new UC center as part of the education abroad program - Answer- c. To
boost horticultural flower production capacity as a means for creating peace in a country
that had been at war
Which country was Prof Lieth vising at the time that he was inspired to create the
Flower Power course?
a. China
b. Colombia
c. Equador
d. Montenegro
e. The Netherlands - Answer- d. Montenegro
Sepals - Answer- located at base of flower; surround and protect the bud
petals - Answer- located above sepals; frequently brightly colored (attracts pollinators)
Receptacle - Answer- holds all the flower structures together
Pedicel - Answer- stem of flower
, Stamen - Answer- Male reproductive structure
attached above petals
consists of filament and anther (produces pollen)
Carpel (Pistil) - Answer- Female reproductive structure - centrally located
consists of: stigma (catches pollen), style - tube, ovary - contains one or more ovules
Perfect flower - Answer- contains both stamens and pistils, male and female parts in the
same flower (ex. stargazer lily)
Imperfect flower - Answer- individual flower is either male or female
Monoecious flower - Answer- male and female flowers appear on the same plant (ex.
squash)
Dioecious flower - Answer- a specimen of the plant is either male or female (ex. Ginko
tree)
Complete flower - Answer- has sepals, petals, stamens, and carpels
Incomplete flowers - Answer- lacks one ore more of the 4 basic components of a flower
(Sepals, petals, stamens, carpel)
all imperfect flowers are incomplete
Simple flower - Answer- one single flower per stalk
Compound flower - Answer- inflorescence looks like many flowers on one stalk (ex.
gladiolas)
what are the 3 forms of compound flowers? - Answer- raceme, spike, and corymb
Raceme compound flowers - Answer- unbranched, indeterminate inflorescence with
pedicellate (short floral stalks) flowers along the axis (ex. lily of the valley
Spike compound flowers - Answer- type of raceme that does not have a pedicel (ex.
gladiolus)
corymb compound flowers - Answer- unbranched, indeterminate inflorescence that is
flat-topped or convex (ex. boneset)
Bilateral flower symmetry - Answer- divided by only a single plane into two mirror-image
halves
Radial flower symmetry - Answer- capable of being divided into equal halves along any
diameter
