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Twenty Questions       Subject: Plants
Twenty Questions 1     2     3     4    5 6     7     8     9    10 11    12   13     14   15 16    17   18     19   20
1. What are the major distinctionsbetweens plants and algae   Apical meristems   Multicellular embryos dependent on the ...
2. Summarize the general process ofAlternation of Generations   Male and female gametophytes produce    gametes by mitosi...
3. What are the four majordivisions of plants?   Bryophytes; seedless vascular plants;    gymnosperms; angiosperms
4. Name and describe two reproductivestructures of angisperms.   An angiosperm has its gametophytes in its    flowers and...
5. Name three types of plant tissue.   Dermal, Vascular, Ground
6. Name and describe three types ofplant cells.   Parenchyma cells- most abundant; throughout    plant; perform most meta...
7. What are stomata and how do theyfunction?
8. Give three distinguishing characteristicsof monocots and dicots.
9. Name the hormone responsible forfruit ripening.   Ethylene
10. Describe the xylem. What is thedriving force behind the movementwithin?   In xylem, it is actually tension (negative ...
11. What is the function of auxin?
12. Why is nitrogen important tothe plant? Where does it comefrom?
13. What is double fertilization?   Two sperm nuclei of a pollen grain unite with    nuclei of the embryo sac of an angio...
14. What is phototropism and howdoes it work?
15. Name two adaptations that aid inthe uptake of water by roots.
16. Explain the purpose of phloem andhow it moves substances.   Sugar transport   The phloem transports the organic prod...
17. What is the largest organelle inmost mature plant cells?   Vacuole
18. What is vascular cambium?   The vascular cambium is a type of meristem in    the vascular tissue of plants. The vascu...
19. Name adaptations important forterrestrial plants.   Vascular tissue   Must protect gametes, zygotes, and embryos    ...
20. Summarize the results of thetranspiration lab.
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Questions plants (1)

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Questions plants (1)

  1. 1. Twenty Questions Subject: Plants
  2. 2. Twenty Questions 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
  3. 3. 1. What are the major distinctionsbetweens plants and algae Apical meristems Multicellular embryos dependent on the parent plant Alternation of generations Sporangia that produce walled spores Gametangia that produce gametes
  4. 4. 2. Summarize the general process ofAlternation of Generations Male and female gametophytes produce gametes by mitosis Fertilization results in a diploid zygote The zygotes undergoes mitosis and develops into the diploid sporophyte The sporophyte produces haploid spores by meiosis A spore develops by mitosis into a gametophyte
  5. 5. 3. What are the four majordivisions of plants? Bryophytes; seedless vascular plants; gymnosperms; angiosperms
  6. 6. 4. Name and describe two reproductivestructures of angisperms. An angiosperm has its gametophytes in its flowers and its seeds packaged inside fruits Anther- sac on stamen in which pollen grains develop Carpel- female; consists of a stalk an ovary at the base and a sticky tip known as the stigma
  7. 7. 5. Name three types of plant tissue. Dermal, Vascular, Ground
  8. 8. 6. Name and describe three types ofplant cells. Parenchyma cells- most abundant; throughout plant; perform most metabolism Collenchyma cells- grouped in cylinders; help support growing parts of plant Schlerenchyma cells- exist where plant is no longer growing; tough cell walls
  9. 9. 7. What are stomata and how do theyfunction?
  10. 10. 8. Give three distinguishing characteristicsof monocots and dicots.
  11. 11. 9. Name the hormone responsible forfruit ripening. Ethylene
  12. 12. 10. Describe the xylem. What is thedriving force behind the movementwithin? In xylem, it is actually tension (negative pressure) caused by transpiration that drives long-distance transport
  13. 13. 11. What is the function of auxin?
  14. 14. 12. Why is nitrogen important tothe plant? Where does it comefrom?
  15. 15. 13. What is double fertilization? Two sperm nuclei of a pollen grain unite with nuclei of the embryo sac of an angiosperm One sperm nucleus unites with the egg to form the triploid, primary endosperm nucleus The other sperm unites with the two nuclei located in a single cell at the center of the embryo sac. Double fertilization is unique to angiosperms.
  16. 16. 14. What is phototropism and howdoes it work?
  17. 17. 15. Name two adaptations that aid inthe uptake of water by roots.
  18. 18. 16. Explain the purpose of phloem andhow it moves substances. Sugar transport The phloem transports the organic products of photosynthesis throughout the plant via translocation Source to Sink
  19. 19. 17. What is the largest organelle inmost mature plant cells? Vacuole
  20. 20. 18. What is vascular cambium? The vascular cambium is a type of meristem in the vascular tissue of plants. The vascular cambium is the source of both the secondary xylem (inwards, towards the pith) and the secondary phloem (outwards), and is located between these tissues in the stem and root. A few leaves have a vascular cambium Found in Dicots and gymnosperms
  21. 21. 19. Name adaptations important forterrestrial plants. Vascular tissue Must protect gametes, zygotes, and embryos from drying out Produces gametes in gametangium Most release their offspring to the air or rely on animals
  22. 22. 20. Summarize the results of thetranspiration lab.

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