1. Designed by Pyeongsug Kim ©2009 sibio@att.netsibio@att.net SI Online (practice questions) Spring 2010 Topic 16 Seedless Vascular Plants Dr. Hughey’s Bio 3 Botany Lab.,

2. Designed by Pyeongsug Kim, ©2009 Phylum ______________ Order ______________ Genus ______________ Please, check marks what this plant has during its life cycle. ___ Root ___ Spores ___ Xylem/phloem ___ Stem ___ Rhizoid ___ Holdfast ___ Pollen ___ Stape ___ Seed ___ Flower/fruit ___ Male or female cone ___ Fruit ___ Sporophyte ___ Rhizome ___ Gametophyte ___ Leaves ___ Sperm/Egg Psilotales Pteridophyta Psilotum What is the botanical name of the entire structure? Include haploid or diploid. Sporophyte(2n) Is this plant sporophyte dominant or gametophyte dominant? Sporophyte dominant

3. What is the botanical name of the yellow thing in this picture? Sporangium(or Sporangia); Meiosis Designed by Pyeongsug Kim, ©2009 What happens inside? Include haploid or diploid if necessary. Which one occurs inside? Meiosis? Mitosis? Produce spores(n)

4. Designed by Pyeongsug Kim, ©2009 Define the following term. (Don’t memorize, but should understand.) small leaves that contain a single strand of vascular tissue. large leaves that contain multiple strands of vascular tissue. Microphylls - Megaphylls - Microsporophyll- Microsporangia- Megasporophyll- Megasporangia- a modified leaf that bears microsporangia. a sporangium that produces microspores. a modified leaf that bears megasporangia. a sporangium that produces megaspores. Homosporous- Heterosporous- production of one type of spore from one kind of sporangium. production of two types of spores from two different kinds of sporangia.

5. Designed by Pyeongsug Kim, ©2009 You are looking at the microscope slide. It is the cross section of the yellow thing the arrow point. What is the structure name in left microscope? What happen inside? Sporangium: Produce spores(n) Is this plant homosporous? or heterosporus? How do you know? Homosporus; production of one type of spore from one kind of sporangium.

6. Designed by Pyeongsug Kim, ©2009 Based on your definition in previous slide write the term corresponding to each picture. A) B) C) D) A) B) C) D) Microphylls Megaphylls Homosporous Heterosporous

7. Designed by Pyeongsug Kim, ©2009 There are two types of leaves in vascular plant based on strand of vascular tissue. What are they? Microphylls, Megaphylls In the left picture, which type of leaves (in your answer of the previous question) is in the left picture? How do you know? Megaphylls contain multiple strands of vascular tissue.

8. Designed by Pyeongsug Kim, ©2009 Phylum ______________ Genus ______________ Lycopodium Lycopodiophyta What is the name of the leaves on this plants? Microphylls Label in the picture below. A) B) C) D) A) B) C) D) Strobili Microphylls Rhizome Roots In A),B),C)&D) Which structure is photosynthetic? Microphylls

9. Designed by Pyeongsug Kim, ©2009 Phylum ______________ Genus ______________ Selaginella Lycopodiophyta A) B) C) D) Label in the left picture. What is the name of the leaves on this plants? Microphylls Strobilus Root Leaf(microphyll) Stem What is the entire of structure? Include haploid or diploid if necessary. Sporophyte(2n)

10. Phylum ______________ Genus ______________ Isoetes Lycopodiophyta A B C Label in the left picture. Is this plant homosporous? or heterosporus? How do you know? Heterosporous; production of two types of spores from two different kinds of sporangia. Designed by Pyeongsug Kim, ©2009 A) B) C) Ligule Microsporangium Megasporangium

11. Designed by Pyeongsug Kim, ©2009 What is the name of structure the arrow point in the left plant ? Phylum ______________ Genus ______________ Lycopodium Lycopodiophyta Strobilus Name two things that the structure is consisting of? nonphotosynthetic sporophylls and sporangia Is the structure the arrow point in the left plant photosynthetic? Nope!

12. Designed by Pyeongsug Kim, ©2009 Sporophylls Sporangia If this slide is from Lycopodium, what type of spores are each sporangium containing? How do the spores replicate? Is this plant homosporous? or heterosporus? How do you know? Tetrads of Spores. Tetrad = Four. Meiosis Homosporus; production of one type of spore from one kind of sporangium. A B Label A) B) Which one, a), b), or entire structure is photosynthetic? What is name of the entire structure you seeing? None of them Strobilus Phylum ______________ Genus ______________ Lycopodium Lycopodiophyta

13. Designed by Pyeongsug Kim, ©2009 Megasporophylls Megasporangia(Megaspores) Microsporangia(Microspores) Microsporophylls What is name of the entire structure you seeing? Strobilus Is this plant homosporous? or heterosporus? How do you know? Heterosporous; production of two types of spores from two different kinds of sporangia. Label A) B) C) D) A B C D Which one, a), b), c), d) or entire structure is photosynthetic? None of them Phylum ______________ Genus ______________ Selaginella Lycopodiophyta

14. Designed by Pyeongsug Kim, ©2009 What is name of the entire structure you seeing? Strobilus Is this plant homosporous? or heterosporus? How do you know? Heterosporous; production of two types of spores from two different kinds of sporangia.

15. Designed by Pyeongsug Kim, ©2009 Phylum _____________ Pteridophyta Order ___________ Polypodium Filicales A D B C E F A: B: C: D: E: F: Sporophyte (2n) Rizome Roots Gametophyte(n) (Prothallus) Spores(n) Sori (contains sporangia) Genus ___________ Label and Include haploid or diploid if necessary.

16. Genus ___________ Designed by Pyeongsug Kim, ©2009 Phylum _____________ Pteridophyta Order ___________Filicales Polypodium Megaphylls; Yes, it is phothosynthetic What is the name of structure the arrow point in the left plant ? Is it phothosynthetic? What stage is this plant in its life cycle? Include haploid or diploid if necessary. Sporophyte(2n) Based on your answer, we can say this plant is __________ dominant. sporophyte What is sorus(sori)? Give an example with phylum, order, and genus that has sori or sorous. Cluster of sporangia; Pteridophyta; Filicales; Polypodium

17. What is the Phylum, order, genus of left plant? Designed by Pyeongsug Kim, ©2009 Pteridophyta; Filicales; Polypodium What is the name of this structure? Fiddle head Young sporophyte (2n) What stage is in its life cycle?

18. Designed by Pyeongsug Kim, ©2009 What is the name of round things in both plants. What happens inside? A) B) Sori; Contain sporangia that produce spores. What is the difference between plant A) and B)? (be specific) A)Naked Sori B)Sori covered by indusia Phylum _____________ Order ___________ Pteridophyta Filicales

19. Genus ___________ Designed by Pyeongsug Kim, ©2009 Phylum _____________ Pteridophyta Order ___________Filicales Polypodium Sporangia Indusia A) B) A B What is the name of structure in two slide? Sori; Contain sporangia that produce spores Label A: B: C: C Sporangia with spores What is the function of B? Protect sporangia

20. Is this strucrue is homosporus or heterosporus? How do you know? What is the name of structure you are seeing? Sori; Contain sporangia that produce spores Homosporus; production of one type of spore from one kind of sporangium. Designed by Pyeongsug Kim, ©2009

21. What is the main method of dispersal of spores in this plant? Dispersal of spores by wind Designed by Pyeongsug Kim, ©2009 A B C What is the name of round structure? What happens inside? sporangia that produce spores Label. A) B) C) Lip cells Spores(n) Annulus

22. Designed by Pyeongsug Kim, ©2009 Phylum _____________ Pteridophyta Order ___________Filicales Polypodium Prothallus What is the name of structure you are seeing? What is the botanical name of structure you are seeing?Include haploid or diploid if necessary. Gametophyte(n) A B C This structure is from _________ by _______(cell division).a spore(n)mitosis Label in the left picture. Include haploid or diploid if necessary. A: B: C: Archegonia Antheridia Rhizoids

23. Designed by Pyeongsug Kim, ©2009 What is the left structure? Each this structure contains ________. one egg(n) Archegonia What is the left structure? Each this structure contains _______________________ and produce ________. Antheridia Sperms(n) Spermatogenesis tissue(n) Describe the sperms(in other words, the presence of flagellates) and how to get the egg? Multiflagellated sperms; When it rains, sperm swim to the eggs in archegonia

24. Designed by Pyeongsug Kim, ©2009 Phylum _____________ Pteridophyta Order ___________Filicales Polypodium Sporophyte(2n) Rhizoid Roots A B(hair-like structure) C Label including haploid or diploid if necessary. A: B: C: Choose vascular structure in A,B, & C. A:Sporophyte(2n) & C:Roots

25. Designed by Pyeongsug Kim, ©2009 Order ___________Psilotales Psilotum. Pteridophyta Phylum _____________ Archegonium & Antheridium What is the left structure? Write the reproductive structure(s) that it contains. Gametophyte(n) A) B) Based on your answer is it monoecious or dioecious? Dioecious We can say this plant is ________ dominant. sporophyte Write each structure in the left cartoon and what produce in each. A) B) Archegonium Antheridium

26. Order ___________ Phylum _____________ Pteridophyta Equisetales Equisetum. Designed by Pyeongsug Kim, ©2009 A B C Label Strobilus Node Internode A) B) C) Structure D) Structure E) Structure DStructure E What stage is this plant in its life cycle? Include haploid or diploid if necessary. Sporophyte(2n) Vegetative shoots Sporophyte(2n) Fertile shoots Indicate fertile or infertile in each. Infertile Fertile Strcuture D: Structure E:

27. Designed by Pyeongsug Kim, ©2009 Order ___________ Phylum _____________ Pteridophyta Equisetales Equisetum. Strobilus (cone) What is the name of entire structure? Label A) B) Sporangia Sporangiophore Is this plant homosporous? or heterosporus? How do you know? Homosporus; production of one type of spore from one kind of sporangium.

28. Designed by Pyeongsug Kim, ©2009 Order ___________ Phylum _____________ Pteridophyta Equisetales Equisetum. What is the name of red dot? Spores(n) What is the name of thread-like thing? Function? Elaters; aid in the disposal of spores.

29. Designed by Pyeongsug Kim, ©2009 The left picture is one of structures in Equisetum. What stage is this plant in its life cycle? Include haploid or diploid if necessary. Gametophyte(n) Is it bisexual or unisexual? Bisexual We can say this plant is ______________ dominant. sporophyte(2n)