Designed by Pyeongsug Kim ©2010 [email protected]@att.net SI session Lab. Practice for Final Part...

Designed by Pyeongsug Kim ©2010 [email protected]

SI session

Lab. Practice for

Final

Part III

Spring 2010

Dr. Hughey’s Bio 3 (Lab.)

mailto:[email protected]

http://sibiology.science-i.com/



A) B)

Designed by Pyeongsug Kim, ©2009

Phylum _____________Genus _____________

ConiferophytaPinus

What is botanical name in each picture? What does it produce?

A -B -

Microsporangiate strobili-produce pollen Megasporangiate(ovulate) strobili – bearing megasporangia


A

B

C

What does this structure (botanical) name? Microsporangiate strobili

What does this structure produce? Pollen

Label.A: B:C:

MicrosporophyllMicrosporangiaPollen


#3

The botanical name of the structure? Megasporangiate(ovulate) strobili

Label.A:B:C:D:E:F:

Ovulriferous scaleMegasporocyteNucellus(megasporangia)IntegumentMicropyleSterile bract


A

What is the name of the structure?

What is common name and botanical name in the structure? Pollen; immature male(micro); gametophytes(n)

How many cells are included in each structure?

What is the function of A on the structure?

4-celled

Aid in dispersal by wind

Germinating pollen.; Microgammetophyte(n).

Are the sperms seen in the structure? Nope! The sperms DO NOT appear until the female gametophyte is mature.


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

A

B C

D

a) b)

#8


What type of tissue system is in a) & b)? What type of tissue is in a) & b)?

Vascular systema) Phloem b) Pholem

Label.A: C:B: D:

Sieve-tube elements (mature) Companion cellsP-Protein(Phloem-protein) Parenchyma

Which one can be seen in angiosperm? in gymnosperm? b)

a)


Phylum _____________Genus _____________

CycadophytaCycas

Phylum _____________Genus _____________

CycadophytaZamia


#11

AB

Is this monocot? Eudicot? How do you know?

Eudicot; two cotyledons are present

What stage is this embryo in?Heart stageTorpedo stage

A- B-


A

B

C

D

E

F

H

G

Label.A:B:C:D:E:F:G:H:

Stigma Anther Filament Ovary Receptacle Sepal Style Petal

Some part is collectively called: “carpel(pistil).” Which part? A,G,& D “stamen.” Which part?“corolla.” Which part?“calyx.” Which part?

B &Ca bundle of H a bundle of F

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


AB

Actinomorphic? Zygomorphic?A: B:Actinomorphic Zygomorphic

Write the term of ovary position in each.A: B: C:

Epigynous Perigynous Hypogynous


A

B)

A

B

D

A) C

E

What part of flower are seen in the slide A) & B)? Anther

Which one is mature or immature? How do you know? A)-immature B)-maturePollen grains can be seen in slide B and the wall of microsporangia is open.

LabelA- B(little dots) –C- D- E-

MicrosporangiaPollen grains Pollen grain sac

FilamentMicrosporocytes(2n)

What produce in each C & E?C: produce microsporocytes(2n)E: produce pollen


AB

C

What is the picture? Germinating pollen grain

Pollen grainSpermsTube nucleus

LabelA- B-C-

What is double fertilization?the union of one sperm(n) with egg(n); the other sperm with two polar nuclei

Microgametopyte(n); (Mature male gametophyte(n))What is the botanical name?

What happens inside?Form two sperms and pollen tube.


AB

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


How many types of flowers are seen? What are they? Two: Ray flowers, disk flowers;

Name the family of this flower. Asteraceae


A

B

C

D

In the following picture, which part of the flower are cut by cross section? Ovary

How many locules are seen? 5 locules

Label.A: B:C:

Ovarian wall,OvulesPlacentaLocules

What type of placentation? AxileWhich one develops into seed? ovules

What is the ovary position in each fruit when it is in the flower stage?

Superior ovary (Hypogynous)


What type of placentation each? A:B:C:

ParietalAxile Free Central

Designed by Pyeongsug Kim ©2010 [email protected]@att.net SI session Lab. Practice for Final Part...

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