Exam 1 Review


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Exam 1 Review

  1. 1. BY 124 REVIEW<br />Exam One<br />
  2. 2. Question 1<br />Review the life cycle of a typical moss plant by filling in the following blanks:<br />The dominant generation is the a)_____. Female gametophytes produce eggs in the b)______. Male gametophytes produce sperm in the c)________. Sperm d)_______ through the damp environment to fertilize the egg. The zygote remains in the archegonium and grows into the e)______, still attached to the female gametophyte. Spores are formed by the process of f)______ in the g)______. When shed, spores develop into the h)_______. <br />
  3. 3. Question 2<br />Adaptations for terrestrial life seen in all plants are<br />chlorophylls a and b<br />cells walls of cellulose and lignin<br />Sporopollenin, protection and nourishment of embryo by gametophyte<br />Vascular tissue and stomata<br />Alternation of generations<br />
  4. 4. Question 3<br />Bryophytes differ from all other land plant groups because<br />Their gametophyte generation is dominant<br />They are lacking in gametangia<br />They have flagellated sperm<br />They are not embryophytes<br />Of all of the above<br />
  5. 5. Question 4<br />If a plant’s life cycle includes both a male and a female gametophyte, the sporophyte plat must be<br />Heterosporous<br />Homosporous<br />Homologous<br />Analogous<br />Megasporous<br />
  6. 6. Question 5<br />[Life cycle of a pine]<br />Describe a pollen cone and the formation of a male gametophyte. <br />
  7. 7. Question 6<br />[Life cycle of a pine]<br />Describe a ovulate cone and the formation of a female gametophyte. <br />
  8. 8. Question 7<br />Name the four whorls of modified leaves that make up a flower. <br />
  9. 9. Question 8<br />What does a seed consist of?<br />
  10. 10. Question 9<br />List the four phyla that are considered gymnosperms<br />
  11. 11. Question 10<br />Where would you find a microsporangium in the life cycle of a pine?<br />Within the embryo sac in an ovule<br />In the pollen sacs in an anther<br />At the base of a sporophyll in a pollen cone<br />On a scale-like sporophyll found in an ovulate cone<br />Forming a seed coat surrounding a pine seed<br />
  12. 12. Question 11<br />In which of the following groups do sperm no longer have to swim to reach the female gametophyte?<br />bryophytes<br />ferns<br />gymnosperms<br />angiosperms<br />Both c and d<br />
  13. 13. Question 12<br />An example of coevolution is<br /><ul><li>A flower with a nectar tube that is the length of its pollinator’s proboscis (elongated appendage from the head/sucking organ)
  14. 14. The synchronization of nutrient development and fertilization resulting from double fertilization
  15. 15. Win pollination in conifers
  16. 16. The evolution of seeds in both gymnosperms and angiosperms
  17. 17. The development of alternation of generations independently in land plants and some algal groups</li></li></ul><li>Question 13<br />Which types of plant cells are dead at functional maturity?<br />
  18. 18. Question 14<br />Which types of plant cells lack nuclei at functional maturity?<br />
  19. 19. Question 15<br />Starting from the outside, place the letters of the tissues in the order in which they are located in a woody tree trunk. <br />Primary phloem<br />Secondary phloem<br />Primary xylem<br />Secondary xylem<br />Pith<br />Cork cambium<br />Vascular cambium<br />Cork cells<br />
  20. 20. Question 16<br />Explain the contribution of each of the following to the long-distance transport of water: <br />Transpiration:<br />Cohesion:<br />Adhesion:<br />Tension:<br />
  21. 21. Question 17<br />Epiphytes <br />Have haustoria for anchoring to their host plants and obtaining xylem or phloem sap<br />Are symbiotic relationships between leaves and fungi<br />Grow on other plants and obtain nutrients from their hosts<br />Grow on other plants and do not obtain nutrients from their hosts<br />Are able to fix their own nitrogen<br />
  22. 22. Question 18<br />What function does double fertilization serve?<br />
  23. 23. Question 19<br />Name two important messengers in plant hormonal systems. <br />
  24. 24. Question 20<br />What kind of root growth do auxins promote? What kind of charge does auxin have? How are auxins transported in plants?<br />
  25. 25. GOOD LUCK STUDYING!<br />