1. SI Biology SI session Lab. Practice for Final Part III Spring 2010
Dr. Hughey’s Bio 3 (Lab.)
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2. Designed by Pyeongsug Kim, ©2009
Phylum _____________
Genus _____________
Coniferophyta
Pinus A) B)
What is botanical name in each picture? What does it produce?
A -
B -
Microsporangiate strobili-produce pollen
Megasporangiate(ovulate) strobili – bearing megasporangia
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3. Designed by Pyeongsug Kim, ©2009
What does this structure (botanical) name?
Microsporangiate strobili
What does this structure produce?
Pollen
Label. A: B: C: A
Microsporophyll
Microsporangia
Pollen B C
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4. Designed by Pyeongsug Kim, ©2009#3
The botanical name of the structure?
Megasporangiate(ovulate) strobili
Label. A: B: C: D: E: F:
Ovulriferous scale
Megasporocyte
Nucellus(megasporangia)
Integument
Micropyle
Sterile bract
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5. Designed by Pyeongsug Kim, ©2009
What is common name and botanical name in the structure?
Pollen; immature male(micro); gametophytes(n)
How many cells are included in each structure? A
4-celled
What is the function of A on the structure?
Aid in dispersal by wind
What is the name of the structure?
Germinating pollen.; Microgammetophyte(n).
Are the sperms seen in the structure?
Nope! The sperms DO NOT appear until the female gametophyte is mature.
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6. Designed by Pyeongsug Kim, ©2009
What is the structure the arrow points? function?
Pollen tube; fuses with egg cell and conveys the sperms.
What type of tissue system is the picture?
Ground tissue system
What type of tissue is seen? Function?
Sclerenchyma
What is the name of structure of the purple star shape?
Sclereid; strengthen, support, storage
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7. What type of tissue system is in a) & b)? Vascular system #8 D b) a) C B
What type of tissue system is in a) & b)?
Vascular system
What type of tissue is in a) & b)?
a) Phloem b) Pholem
Label.
A: C:
B: D:
Sieve-tube elements (mature) Companion cells
P-Protein(Phloem-protein) Parenchyma
Which one can be seen in angiosperm?
in gymnosperm? a) b)
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8. Designed by Pyeongsug Kim, ©2009
Phylum _____________
Genus _____________
Cycadophyta
Cycas
Phylum _____________
Genus _____________
Cycadophyta
Zamia
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9. Designed by Pyeongsug Kim, ©2009
Is this monocot? Eudicot?
How do you know?
Eudicot; two cotyledons are present
What stage is this embryo in?
A B-
Heart stage
Torpedo stage A B
#11
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10. Designed by Pyeongsug Kim, ©2009
Label. A: B: C: D: E: F: G: H: A H
Stigma
Anther
Filament
Ovary
Receptacle
Sepal
Style
Petal B G C D F E
Some part is collectively called: “carpel(pistil).” Which part?
A,G,& D
“stamen.” Which part?
“corolla.” Which part?
“calyx.” Which part?
B &C
a bundle of H
a bundle of F
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11. Briefly define the following terms.
Hypogynous-
Perigynous-
Epigynous-
Incomplete flower-
Imperfect flower-
Pistilate(Carpellate) –
Staminate -
whorls attached below the ovary.
stamens and petals adnate to the calyx, forming a tube (hypanthium) at the base of the ovary.
whorls attached above the ovary.
A flower lacking sepals, petals, stamens, or pistils.
A flower lacking either stamens or carpels.
An imperfect flower having only pistils(carpels).
An imperfect flower having only stamens

12. Designed by Pyeongsug Kim, ©2009A
Actinomorphic? Zygomorphic?
A: B:
Actinomorphic
Zygomorphic
Write the term of ovary position in each. A:
B: C:
Epigynous
Perigynous
Hypogynous
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13. Designed by Pyeongsug Kim, ©2009
What part of flower are seen in the slide A) & B)? A
Anther
Which one is mature or immature? How do you know? B
A)-immature B)-mature
Pollen grains can be seen in slide B and the wall of microsporangia is open. A A) C D
Label A-
B(little dots) – C- D- E-
Filament
Microsporocytes(2n)
Microsporangia
Pollen grains
Pollen grain sac B) E
What produce in each C & E?
C: produce microsporocytes(2n)
E: produce pollen
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14. Designed by Pyeongsug Kim, ©2009
What is the picture?
Germinating pollen grain A
Label A- B- C- B
Pollen grain
Sperms
Tube nucleus C
What is the botanical name?
Microgametopyte(n); (Mature male gametophyte(n))
What happens inside?
Form two sperms and pollen tube.
What is double fertilization?
the union of one sperm(n) with egg(n); the other sperm with two polar nuclei
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15. Determine weather each flower is Monocot or Eudicot. How do you know?B
Determine weather each flower is Monocot or Eudicot.
How do you know?
A- Monocot;3 petals, 3 setals, 6 stamens
B- Eudicot; 5 petals, 5 setals, 5 stamens
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How many types of flowers are seen?
What are they?
Two: Ray flowers, disk flowers;
Name the family of this flower.
Asteraceae
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17. Designed by Pyeongsug Kim, ©2009A
In the following picture, which part of the flower are cut by cross section?
Ovary B
How many locules are seen?
5 locules C
Label. A: B: C:
Ovarian wall,Ovules
Placenta
Locules
What type of placentation?
Axile
Which one develops into seed?
ovules D
What is the ovary position in each fruit when it is in the flower stage?
Superior ovary (Hypogynous)
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18. Designed by Pyeongsug Kim, ©2009
What type of placentation each? A: B: C:
Parietal
Axile
Free Central
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