Seeds Questions 2008

  1. ____ cotyledons
  2. ____ dicot
  3. ____ dormancy
  4. ____ embryo
  5. ____ endosperm
  6. ____ epicotyl
  7. ____ germination
  8. ____ hypocotyl
  9. ____ monocot
  10. ____ plumule
  11. ____ radicle
  12. ____ seed
  13. ____ seed coat
  1. plant structure with an embryo, food reserve and protective coat.
  2. outer layer of seed.
  3. embryonic root.
  4. nutrient tissue stored in some seeds.
  5. rudimentary plant formed after fertilization.
  6. area of shoot between the cotyledons and the first true leaves.
  7. seed leaves.
  8. portion of embryo between the radicle and cotyledons.
  9. bud of the embryo.
  10. flowering plant with one cotyledon, parallel-veined leaves and flower parts in threes.
  11. flowering plant with two cotyledons, net-veined leaves and flower parts in fours or fives.
  12. resumption of growth of the embryo.
  13. period of inactivity.
  1. List three of the four requirements for germination:
  2. Seed dormancy can be advantageous to a plant because it allows dispersal to new habitats by wind, water, animals. Describe an example of each dispersal agent and the plant that uses it.
  3. Explain how seed dormancy allows the plant to synchronize to the environment.
  4. There are two general categories of dormancy are seed coat dormancy and embryo dormancy. Give an example of a specific dormancy mechanism for each category.
  5. What we did to the Lupin seeds is called ______.
  6. Explain stratification.
  7. Leaching with water is a way to break seed dormancy. What is being leached?
  8. The greater genetic diversity of seeds is both advantages and disadvantage to propagation by seed. Explain how that can be.
  9. The two main ways to propagate plants are: