Review Questions

The land plants are probably descendants of which of these groups?

1. green algae
2. red algae
3. brown algae
4. angiosperms

The event that leads from the haploid stage to the diploid stage in alternation of generations is ________.

1. meiosis
2. mitosis
3. fertilization
4. germination

Moss is an example of which type of plant?

1. haplontic plant
2. vascular plant
3. diplontic plant
4. seed plant

Why do mosses grow well in the Arctic tundra?

1. They grow better at cold temperatures.
2. They do not require moisture.
3. They do not have true roots and can grow on hard surfaces.
4. There are no herbivores in the tundra.

Which is the most diverse group of seedless vascular plants?

1. the liverworts
2. the horsetails
3. the club mosses
4. the ferns

Which group are vascular plants?

1. liverworts
2. mosses
3. hornworts
4. ferns

Which of the following traits characterizes gymnosperms?

1. The plants carry exposed seeds on modified leaves.
2. Reproductive structures are located in a flower.
3. After fertilization, the ovary thickens and forms a fruit.
4. The gametophyte is longest phase of the life cycle.

What adaptation do seed plants have in addition to the seed that is not found in seedless plants?

1. gametophytes
2. vascular tissue
3. pollen
4. chlorophyll

Pollen grains develop in which structure?

1. the anther
2. the stigma
3. the filament
4. the carpel

Corn develops from a seedling with a single cotyledon, displays parallel veins on its leaves, and produces monosulcate pollen. It is most likely:

1. a gymnosperm
2. a monocot
3. a eudicot
4. a basal angiosperm