Chapter 25 Review Reproduction in Seed Plants

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Chapter 25 ReviewReproduction in Seed Plants

• Charles Page High School
• Dr. Stephen L. Cotton

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Chapter 25 Review

• A structure essential to the survival of any
  species of gymnosperm is a _____.
• Female pine cones do not produce ________.
• Male and female gametes are produced in separate
  flowers in a _________.

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Chapter 25 Review

• The sterile leaves of a flower are the _____ and
  _______.
• In a flower, the embryo sac is the entire
  ________.
• All the petals of a flower form the ________.

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Chapter 25 Review

• The sticky surface on which wind deposits pollen
  grains is the ____.
• The pistil of a flower is made up of one or more
  _____.
• Among the following, which is the smallest
  filament pollen grain pollen chamber anther

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Chapter 25 Review

• Each of the following occurs during the formation
  of an embryo sac except that a megaspore mother
  cell produces four cells by mitosis a megaspore
  mother cell grows inside the ovary all but one
  of the haploid cells die a haploid cell divides
  to produce eight nuclei

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Chapter 25 Review

• As it grows through the style, a pollen tube
  contains two _____.
• The triploid (3N) structure in the seed is the
  ______.
• Most of the food consumed by humans is the ____
  of grasses.

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Chapter 25 Review

• During fertilization, a sperm nucleus unites with
  the _____.
• After fertilization occurs, part of the ovule
  toughens to form the __.
• A fertilized flower induces the plant to pour
  energy into developing fruits and seeds by
  producing ___.

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Chapter 25 Review

• When a pea seed starts to grow, it uses food
  stored in __ cotyledon(s).
• Cocoanuts can be dispersed safely in water to new
  areas when they are ______.
• In a seed, the region at the base of the
  hypocotyl is the _____.

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Chapter 25 Review

• The part of a flowering plant that enables it to
  be dispersed naturally into different
  environments is the ______.
• In reproduction in a pine tree, the ______ grows
  into the ovules.

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Chapter 25 Review

• The trees in a huge bamboo forest may be the
  descendants of one plant that reproduced by ____.
• New African violet plants can grow asexually from
  fallen _____.
• A horticulturist must reproduce seedless plants
  by ______.

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Chapter 25 Review

• A partially cut stem of a plant is bent to the
  ground and buried when the plant is reproduced by
  ______.
• Grafts are successful only if the two plant parts
  involved are firmly connected to each other at
  their _______.

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Chapter 25 Review

• A common house plant produced by layering is the
  ______.
• When it has just been layered, the treated stem
  of a plant receives water from ______.
• Seeds that do not grow when they first mature
  must enter a period of ________.

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Chapter 25 Review

• As most monocot seeds start to grow, the shoot is
  protected by a _____.
• In temperate climates, the seeds of many plants
  are dormant during the _____.

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Chapter 25 Review

• In gymnosperms, the gametophyte generation is
  within the ____.
• In _____, the megasporangia are produced on the
  outer surface of cones.

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Chapter 25 Review

• The silk of a corn plant is actually the
  ______.
• The transfer of pollen from one flower to another
  is ___-pollination.
• Plants are induced to pour energy into developing
  fruits and seeds by ______.

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Chapter 25 Review

• If you split open the two cotyledons of a bean
  seed, you will not observe the _____.
• Although a fire may destroy a forest of pine
  trees, the ____ stimulates the growth of seeds.

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Chapter 25 Review

• In an embryo sac, fertilization involves _____
  nuclei.
• Male and female flowers occur in ______ plants in
  the willow.