CH. 20

Which of the following is NOT a property common to both land plants and green
algae?
A) Photosynthesis using chlorophyll a
B) Cellulose cell walls
C) Starch as a storage form of energy
D) The presence of a cuticle and stomata

In the alternation of generations in plants, the gametophyte is _______ and
produces gametes by _______.
A) diploid; meiosis
B) diploid; mitosis
C) haploid; meiosis
D) haploid; mitosis

Which group of bryophytes is most like its green algae ancestor?
A) Mosses
B) Liverworts
C) Hornworts
D) Both a and c

When spores are released from a sporangium, they form
A) a gametophyte.
B) a gemma.
C) a sporophyte.
D) a sperm cell.

How does the presence of vascular tissue (xylem and phloem) affect a
plant?
A) It reduces the plant's dependence on a moist environment.
B) It allows specialization of roots, leaves, and stems.
C) It allows for the growth of larger plants.
D) All of the above.

Why do ferns require a shady, moist environment?
A) They lack vascular tissue.
B) They lack a water-retaining cuticle layer.
C) The production of spores within the sporangium requires
D) They use swimming sperm for sexual reproduction.
moisture.

Which type of plant produces a seed that is surrounded by a fruit?
A) Gymnosperm
B) Angiosperm
C) Bryophyte
D) True fern

Reproduction in a gymnosperm is associated with
A) male and female cones.
B) airborne pollen grains.
C) the formation of pollen tubes.
D) All of the above.

What is one key adaptation of the angiosperms?
A) Dominant gametophyte generation
B) Pollen grains that use pollen tubes to fertilize egg cells
C) The use of flowers as reproductive structures
D) Both a and b

How does the concept of co-evolution apply to the angiosperms?
A) Angiosperms co-exist with simpler land plants like bryophytes.
B) Evolutionary changes to the environment have altered the diversity of
fruits.
C) The shape of a flower selects for the type of pollinator that can visit
it.
D) The type of pollinator selects for the form of seed dispersal.

All of the following are evidence for the descent of plants from green algae
except:
A) Both plants and some green algae have an alternation of generations life
cycle.
B) Both plants and green algae have cellulose cell walls.
C) Both plants and green algae store sugars as starch.
D) Both plants and green algae have chloroplasts

Which of the following is/are adaptations to a terrestrial habitat?
A) A waxy cuticle provides support for growth of tall plants.
B) A complex polymer called lignin that reduces water loss.
C) Specialized pores or stomata can open and close that reduce water
loss.
D) Plant embryos with a tough outer coat.
E) Both C and D.

Why are bryophytes restricted to moist habitats?
A) They are too small to compete in drier climates.
B) Water is required for dispersal of the spores which grow into
gametophytes.
C) Water is required for the dispersal of the seeds.
D) Gemmae require water for dispersal.
E) Fertilization occurs when motile sperm swim to egg-producing
structures.

Bryophytes are different from ferns because _____________.
A) only ferns have vascular tissue
B) ferns have seeds while bryophytes are seedless
C) bryophytes are restricted to moist environments because of their swimming
D) only bryophytes have xylem and phloem
sperm while ferns are not
E) A, C, and D are correct.

Which of the following is found in gymnosperms but not angiosperms?
A) flowers
B) seeds
C) pollen
D) cones
E) fruits

Which of the following is a gymnosperm?
A) monocotyledons
B) ferns
C) conifers
D) gnetophytes
E) Both C and D.

What is the function of a pollen tube?
A) It transports pollen from the male gametophyte to the female
gametophyte.
B) It is the tube through which pollen leaves the pollen sac or
microsporangium.
Correct answer:
C) It grows into the female gametophyte to deliver sperm cells.
D) It is part of the young sporophyte.