3.6.1 Asexual, Fl Struct, Gamete Formation FMQuiz Homework Solution
Q. What is meant by vegetative propagation?
A. Reproduction that does not involve the
production of seed
Q. Are the products of vegetative propagation
clones?
A. Yes
Q. Give examples of natural vegetative propagation
that involve different parts of a plant.
A. Rhizomes; Corms; Root & stem tubers; Bulbs
Q. Two male gametes are derived from the
generative nucleus. Do these gametes form as a
result of mitosis or meiosis?
A. Mitosis
Q. List techniques of artificial vegetative
propagation that are used for flowering plants.
A. Cuttings; Layering; Grafting; Budding; Tissue
culturing
Q. State a role of the sepal.
A. Protection; Photosynthesis
Q. What is the role of the stigma?
A. Traps (catch) pollen; Where pollen lands
Q. What is the function of the petal?
A. Attraction of insects
Q. Suggest one advantage of artificial propagation.
A. Fast; Preserves desirable features; Cheap; More
reliable
Q. Give two differences between vegetative
propagation and propagation involving seeds.
A. No gametes (one parent); Identical plants; Rapid
production; No outside agent
Q. What term is used for the type of asexual
reproduction that produces a daughter plant by
runners?
A. Vegetative propagation
Q. Would you expect a daughter plant produced by
a runner to be haploid or diploid?
A. Diploid
Q. Give two ways in which the petals may be
adapted for their function.
A. Colour; Scent; Size; Shape
Q. Describe the development of pollen grains from
microspore mother cells.
A. Meiosis, 4 haploid microspores, divides by
mitosis, tube and generative nucleus, pollen grain
matures
Q. What happens to the two polar nuclei?
A. Fuse with male gamete nucleus to form triploid
endosperm nucleus
Q. State what happens to the ovule after
fertilisation.
A. Becomes the seed
Q. Name the two main types of reproduction.
A. Sexual & Asexual
Q. What is the role of the stigma?
A. Receives pollen
Q. Suggest one disadvantage of artificial
propagation.
A. Lack of variation; Diseases inherited
Q. State a role of the ovary.
A. Produces (contains) ovule or embryo sac or
female gametes; Becomes fruit; Site of fertilisation
Q. Describe the fate of the two male gamete
nuclei.
A. One fuses with “egg” nucleus other fuses with
primary endosperm nucleus or polar nuclei
Q. Name a part of a flower from which a fruit
develops.
A. Carpel; Ovary
Q. State a role of the anther.
A. Pollen production, storage and release
Q. True or False. Endosperm is a food reserve in
some seeds.
A. TRUE
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