BOT 3015 Sample Exam 2 For no. 1--16, match the following by placing the letter representing the best possible answer in the space to the left.  __1. oldest living plant  __2. tallest living plant  __3. most massive living plant  __4. largest sperm in “plant kingdom”  __5. tree with flat, fan-shaped leaves  __6. source of cancer-fighting medicine  __7. “palm-like” tree with compound leaves  __8. desert shrub with scale-like leaves  __9. a “conifer” that doesn’t produce its seeds in a cone  __10. a “living fossil” from China revered by Buddhists  __11. closest relative to the weird African plant, Welwitschia  __12. most widespread gymnosperm in Florida  __13. some local folklore says wood of this tree was used in Noah’s ark  __14. pollen has wing-like projections for wind dispersal  __15. has both male and female parts on the same plant  __16. has male and female parts on separate plants  KEY  A. Cycas, cycad  B. Ephedra  C. Ginkgo  D. Pinus, pine  E. Sequoia, redwood  F. Sequoiadendron, California big tree  G. Taxus, yew  H. Torreya  - - - - - - -  __17. The remains of the archegonium of a moss that covers the capsule is called: (A) gemma, (B) protonema, (C) calyptra, (D) elater, (E) annulus, (F) indusium, (G) sorus.  __18. What does Selaginella have that Pinus does not: (A) strobilus, (B) heterospory, (C) homospory, (D) antheridium, (E) archegonium, (F) oogonium.  __19. What does Selaginella have that Lycopodium does not: (A) strobilus, (B) heterospory, (C) homospory, (D) antheridium, (E) archegonium, (F) oogonium.  __20. Which of the following represents an early stage of a moss sporophyte: (A) annulus, (B) sorus, (C) antheridium, (D) archegonium, (E) protonema, (F) spore.  __21. A synonym for megasporangium is: (A) annulus, (B) nucellus, (C) sorus, (D) prothallus, (E) integument, (F) gemma, (G) soredium.  - - - - - - - -  For nos. 22-30, match the following by placing the letter representing the best possible answer in the space to the left.  __22. the genus Equisetum belongs here  __23. the genus Selaginella belongs here  __24. the genus Marchantia belongs here  __25. has jointed stems with a “cone” at the tip  __26. can have tracheids in its gametophyte  __27. has no tracheids  __28. tree ferns and water ferns belong here  __29. to which group would the terms “sorus” and “indusium” best apply  __30. a leafless, vascular plant with dichotomous branches would most likely belong here  KEY  A. Bryophyta  B. Lycophyta  C. Psilophyta  D. Pterophyta  E. Sphenophyta  - - - - - - - -  __31. In seed plants, the tissue that eventually becomes the seed coat is termed: (A) gemmae, (B) integument, (C) nucellus, (D) prothallus, (E) microsporangium, (F) calyptra.  __32. Presence of archegonia but no antheridia best represents which major group of plants: (A) algae, (B) ferns, (C) gymnosperms, (D) hornworts, (E) liverworts, (F) mosses.  __33. When vegetative gametophyte tissue is considerably reduced, it is referred to as: (A) prokaryotic, (B) procambium, (C) prothallus, (D) protonema, (E) protococcal.  ____34 & 35. List, with answers in alphabetical sequence, TWO (2 and only two!) features that most accurately distinguish mosses and vascular plants from algae and fungi: (A) true chlorophyll, (B) vessels and sieve cells, (C) multicellular gametangia, (D) multicellular gametes, (E) multicellular haploid generation, (F) multicellular diploid generation, (G) integuments, (H) embryos, (J) seeds, (K) dikaryotic tissue, (L) prokaryotic cells, (M) protococcal cells.