Exam One

QUESTION 1 Review the life cycle of a typical moss

plant by filling in the following blanks:

The dominant generation is the a)_____. Female gametophytes produce eggs in the b)______. Male gametophytes produce sperm in the c)________. Sperm d)_______ through the damp environment to fertilize the egg. The zygote remains in the archegonium and grows into the e)______, still attached to the female gametophyte. Spores are formed by the process of f)______ in the g)______. When shed, spores develop into the h)_______.

QUESTION 2 Adaptations for terrestrial life seen in all

plants areA. chlorophylls a and bB. cells walls of cellulose and ligninC. Sporopollenin, protection and nourishment of

embryo by gametophyteD. Vascular tissue and stomataE. Alternation of generations

QUESTION 3 Bryophytes differ from all other land

plant groups because

a) Their gametophyte generation is dominant

b) They are lacking in gametangiac) They have flagellated spermd) They are not embryophytese) Of all of the above

QUESTION 4If a plant’s life cycle includes both a male

and a female gametophyte, the sporophyte plat must bea) Heterosporousb) Homosporousc) Homologousd) Analogouse) Megasporous

QUESTION 5 [Life cycle of a pine]

Describe a pollen cone and the formation of a male gametophyte.

QUESTION 6 [Life cycle of a pine]

Describe a ovulate cone and the formation of a female gametophyte.

QUESTION 7 Name the four whorls of modified

leaves that make up a flower.

QUESTION 8 What does a seed consist of?

QUESTION 9 List the four phyla that are

considered gymnosperms

QUESTION 10 Where would you find a

microsporangium in the life cycle of a pine?

a) Within the embryo sac in an ovuleb) In the pollen sacs in an antherc) At the base of a sporophyll in a pollen coned) On a scale-like sporophyll found in an

ovulate conee) Forming a seed coat surrounding a pine seed

QUESTION 11 In which of the following groups do

sperm no longer have to swim to reach the female gametophyte?

a) bryophytesb) fernsc) gymnospermsd) angiospermse) Both c and d

QUESTION 12 An example of coevolution is

A flower with a nectar tube that is the length of its pollinator’s proboscis (elongated appendage from the head/sucking organ)

The synchronization of nutrient development and fertilization resulting from double fertilization

Win pollination in conifers The evolution of seeds in both gymnosperms

and angiosperms The development of alternation of generations

independently in land plants and some algal groups

QUESTION 13 Which types of plant cells are dead at

functional maturity?

QUESTION 14 Which types of plant cells lack nuclei

at functional maturity?

QUESTION 15 Starting from the outside, place the

letters of the tissues in the order in which they are located in a woody tree trunk.

a) Primary phloem

b) Secondary phloem

c) Primary xylem

d) Secondary xylem

e) Pith

f) Cork cambium

g) Vascular cambium

h) Cork cells

QUESTION 16 Explain the contribution of each of

the following to the long-distance transport of water: Transpiration: Cohesion: Adhesion: Tension:

QUESTION 17 Epiphytes

a) Have haustoria for anchoring to their host plants and obtaining xylem or phloem sap

b) Are symbiotic relationships between leaves and fungi

c) Grow on other plants and obtain nutrients from their hosts

d) Grow on other plants and do not obtain nutrients from their hosts

e) Are able to fix their own nitrogen

QUESTION 18What function does double fertilization serve?

QUESTION 19 Name two important messengers in

plant hormonal systems.

QUESTION 20What kind of root growth do auxins promote?

What kind of charge does auxin have? How are auxins transported in plants?

GOOD LUCK STUDYING!