Designed by Pyeongsug Kim ©2008 SI Online Gymnosperms Practice Question Topic 17 Spring 2009 Dr. Hughey’s Bio 3 (Lab.)

What is botanical name in each picture? What does it produce? Phylum ___________ A)B) Designed by Pyeongsug Kim, ©2009

Phylum ___________ What does this structure (botanical) name? What does this structure produce? A B C Label. A: B: C:

Designed by Pyeongsug Kim, ©2009 Phylum ___________ A: B: C: D: E: F: The botanical name of the left structure? Label

In each microsporangium - Each microspore mother cell ( ( ))  (meiosis/mitosis)  ___ microspores  (meiosis/mitosis)  Develops into __________ enclosed by immature male gam metophytes. Designed by Pyeongsug Kim, ©2009 In the male cone,what does each Microsporophyll bears? How many? two microsporangia The following explains what happens inside a male cone. Fill in the blank or circle it.

Designed by Pyeongsug Kim, ©2009 What is common name and botanical name in the left structure? Label. A: B: C: D: A B C How many cells are included in each structure? D What is the function of D on the structure?

Designed by Pyeongsug Kim, ©2009 Left pictures are shown pollination of a Gymnosperms. How do gymnosperms ferilize? What is the name of left structure? After pollination, write three things happens to pollen. 1) 2) 3) Are the sperms seen in the left structure?

Designed by Pyeongsug Kim, ©2009 A B C A: B: C: D: D How many sperms per each male(micro) gametophytes? Label What is the name of left structure? What is the function of B on the structure? (True/False) Two sperms fertilize two eggs. Justify your answer.

In the stage of A, each scale bears _________, which eventually develop into seeds. Designed by Pyeongsug Kim, ©2009 What is the name of structure A & B? A is young one and B is mature one. Phylum ___________ The part (red circle) is called “scale.” A B In the stage of B, each scale bears _________.

Designed by Pyeongsug Kim, ©2009 Phylum ___________ A: B: C: D: E: F: What is the name of left structure? Label Continue to next slide….

Designed by Pyeongsug Kim, ©2009 A B D C The picture is cross section of a structure in female cone. What is the structure name? This structure develops into what? Label A: B: C: D: Is this picture shown during or after fertilization? How do you know? The part C develops into what?

(Before/After) fertilization How do you know? Designed by Pyeongsug Kim, ©2009 Which one is after fertilization? (Before/After) fertilization A B What is this? function?

Designed by Pyeongsug Kim, ©2009 You are seeing pine seeds and cross- section of a seed. A pine seed is developed from _______. A E F G C B D H The part I develops into __________________. Label A: B: C: D: E: F: G: H: I: I The part B is developed from _________.

Designed by Pyeongsug Kim, ©2009 You are seeing pine seedings. What is the green one(botanical name)?

Pines are (monoecious/dioecious), both male and female cones or _______ are borne on the (same/different) plant. Designed by Pyeongsug Kim, ©2009 In some Pinus, female cones are in the higher branches than male cones. Why? Pines are __________ dominant. Pines are (homosporous/heterosporous) You are seeing a pine tree. What stage is this tree in its life cycle?

Phylum ___________ Genus ___________ Designed by Pyeongsug Kim, ©2009 Phylum ___________ Genus ___________

Designed by Pyeongsug Kim, ©2009 Phylum ___________ Genus ____________ What is the “species” of the below picture? A B Label A & B: Monoecious? Dioecious? Which one is male or female plant?

Designed by Pyeongsug Kim, ©2009 Phylum ___________ Genus ____________ a b A B What are A & B? Hint:plant a is female. Plant b is male. Monoecious? Dioecious?

Designed by Pyeongsug Kim, ©2009 Phylum ___________ Genus ____________ What is the structure name in a small picture? Monoecious? Dioecious?

Designed by Pyeongsug Kim, ©2009 Phylum ___________ Genus ____________ Monoecious? Dioecious? The left picture is come from male plant. What is the name of this structure?