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HS 210 Exam Questions And Answers 100%
Verified And Updated.
Which of the following is NOT typically found in a micropropagation media? - Answer✔Perlite
What happens during the pretransplant stage of micropropagation? - Answer✔New roots form
During which stage of micropropagation are the plantlets cut apart and placed on a media with a
high cytokinin:auxin ratio to encourage the formation of new shoots? - Answer✔Multiplication
As a person propagating plants at home, why might you want to know if a specific plant species
frequently produced apomictic seed? - Answer✔Apomictic seed will yield offspring identical to
the parent plant.
The type of cell division that occurs in the reproductive parts of the plant and in which the
daughter cells are NOT genetically identical to the parent cell is called: - Answer✔Meiosis
A flower on a dioecious plant can be? - Answer✔Imperfect and incomplete
Which of the following accurately describes what takes place during double fertilization? -
Answer✔The correct answer is: One male pollen cell fuses with one female egg cell to form the
diploid zygote while another pollen cell fuses with the two polar nuclei to form the triploid
endosperm.
What class of plants does double fertilization occur in? - Answer✔Angiosperms
During double fertilization, when one of the pollen cells fuses with the two polar nuclei, which
of the following is formed? - Answer✔Endosperm
The female reproductive organ of a flower is called: - Answer✔The pistil
If a flower is perfect, it must at least contain which of the following parts? - Answer✔Pistil and
stamen
The male gamete of a plant is the - Answer✔Pollen
After the fertilization, the ovary of the flower becomes the: - Answer✔Fruit
After fertilization, the ovule of the flower becomes the - Answer✔Seed
Which of the following is a common breeding goal for ornamental plants?
1|Page
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a. Larger flowers
b. Fragrance
c. Non-invasiveness
d. Disease resistance
e. All of the above - Answer✔All of the above
If you wanted to cross two plants with very small flowers that would be difficult to work with by
hand, which of the following techniques might you want to use to make the cross? -
Answer✔Insect pollination
You are working with an invasive, ornamental plant that you are trying to breed to make sterile
(or at least infertile). Which of following techniques would probably be most helpful in
achieving that goal? - Answer✔Wide across
A plant that is the direct result of a controlled cross of two parent plants and that is the first
generation of offspring from that cross is referred to as: - Answer✔F1 Hybrid
What type of seed is pictured above? - Answer✔Type lll
Which of the following methods should be used to break chemical dormancy? -
Answer✔Leaching
Which of the following methods should be used to break physiological deep dormancy? Check
all answers that apply.
Select one:
a. Leaching
b. Warm moist stratification
c. Cool moist stratification Correct
d. Seed coat removal
e. Scarification - Answer✔Cool moist stratification
Which of the following methods typically should be used to break double dormancy? Check all
answers that apply. - Answer✔c. Scarification Correct
d. Cool moist stratification
Seeds with double dormancy often need both a scarification and a stratification treatment. Which
treatment should be performed first? - Answer✔Scarification
Which of the following methods should be used to break epicotyl dormancy? Check all answers
that apply.
Select one or more:
2|Page
HS 210 Exam Questions And Answers 100%
Verified And Updated.
Which of the following is NOT typically found in a micropropagation media? - Answer✔Perlite
What happens during the pretransplant stage of micropropagation? - Answer✔New roots form
During which stage of micropropagation are the plantlets cut apart and placed on a media with a
high cytokinin:auxin ratio to encourage the formation of new shoots? - Answer✔Multiplication
As a person propagating plants at home, why might you want to know if a specific plant species
frequently produced apomictic seed? - Answer✔Apomictic seed will yield offspring identical to
the parent plant.
The type of cell division that occurs in the reproductive parts of the plant and in which the
daughter cells are NOT genetically identical to the parent cell is called: - Answer✔Meiosis
A flower on a dioecious plant can be? - Answer✔Imperfect and incomplete
Which of the following accurately describes what takes place during double fertilization? -
Answer✔The correct answer is: One male pollen cell fuses with one female egg cell to form the
diploid zygote while another pollen cell fuses with the two polar nuclei to form the triploid
endosperm.
What class of plants does double fertilization occur in? - Answer✔Angiosperms
During double fertilization, when one of the pollen cells fuses with the two polar nuclei, which
of the following is formed? - Answer✔Endosperm
The female reproductive organ of a flower is called: - Answer✔The pistil
If a flower is perfect, it must at least contain which of the following parts? - Answer✔Pistil and
stamen
The male gamete of a plant is the - Answer✔Pollen
After the fertilization, the ovary of the flower becomes the: - Answer✔Fruit
After fertilization, the ovule of the flower becomes the - Answer✔Seed
Which of the following is a common breeding goal for ornamental plants?
1|Page
, ©FYNDLAY 2024/2025 ALL RIGHTS RESERVED.
a. Larger flowers
b. Fragrance
c. Non-invasiveness
d. Disease resistance
e. All of the above - Answer✔All of the above
If you wanted to cross two plants with very small flowers that would be difficult to work with by
hand, which of the following techniques might you want to use to make the cross? -
Answer✔Insect pollination
You are working with an invasive, ornamental plant that you are trying to breed to make sterile
(or at least infertile). Which of following techniques would probably be most helpful in
achieving that goal? - Answer✔Wide across
A plant that is the direct result of a controlled cross of two parent plants and that is the first
generation of offspring from that cross is referred to as: - Answer✔F1 Hybrid
What type of seed is pictured above? - Answer✔Type lll
Which of the following methods should be used to break chemical dormancy? -
Answer✔Leaching
Which of the following methods should be used to break physiological deep dormancy? Check
all answers that apply.
Select one:
a. Leaching
b. Warm moist stratification
c. Cool moist stratification Correct
d. Seed coat removal
e. Scarification - Answer✔Cool moist stratification
Which of the following methods typically should be used to break double dormancy? Check all
answers that apply. - Answer✔c. Scarification Correct
d. Cool moist stratification
Seeds with double dormancy often need both a scarification and a stratification treatment. Which
treatment should be performed first? - Answer✔Scarification
Which of the following methods should be used to break epicotyl dormancy? Check all answers
that apply.
Select one or more:
2|Page
