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Biology 2e

Review Questions

Biology 2eReview Questions

4.

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

  1. green algae
  2. red algae
  3. brown algae
  4. angiosperms
5.

Alternation of generations means that plants produce:

  1. only haploid multicellular organisms
  2. only diploid multicellular organisms
  3. only diploid multicellular organisms with single-celled haploid gametes
  4. both haploid and diploid multicellular organisms
6.

Which of the following traits of land plants allows them to grow in height?

  1. alternation of generations
  2. waxy cuticle
  3. tracheids
  4. sporopollenin
7.

How does a haplontic plant population maintain genetic diversity?

  1. Zygotes are produced by random fusion.
  2. Gametes are created through meiosis.
  3. Diploid spores undergo independent assortment during mitosis.
  4. The zygote undergoes meiosis to generate a haploid sporophyte.
8.

What characteristic of Charales would enable them to survive a dry spell?

  1. sperm with flagella
  2. phragmoplasts
  3. sporopollenin
  4. chlorophyll a
9.

Which one of these characteristics is present in land plants and not in Charales?

  1. alternation of generations
  2. flagellated sperm
  3. phragmoplasts
  4. plasmodesmata
10.

A scientist sequences the genome of Chara, red algae, and a tomato plant. What result would support the conclusion that Charophytes should be included in the Plantae kingdom?

  1. The Chara genome is more similar to the red algae than the tomato plant.
  2. All three genomes are distinctly different.
  3. The Chara genome is more similar to the tomato plant genome than the red algae genome.
  4. The tomato plant genome is distinct from the red algae genome.
11.

Which of the following features does not support the inclusion of Charophytes in the Plantae kingdom?

  1. Charophyte chloroplasts contain chlorophyll a and b.
  2. Charophyte plant cell walls contain plasmodesmata to allow transfer between cells within multicellular organisms.
  3. Charophytes do not exhibit growth throughout the entire plant body.
  4. Charophytes are multicellular organisms that lack vascular tissue.
12.

Which of the following structures is not found in bryophytes?

  1. a cellulose cell wall
  2. chloroplast
  3. sporangium
  4. root
13.

Stomata appear in which group of plants?

  1. Charales
  2. liverworts
  3. hornworts
  4. mosses
14.

The chromosome complement in a moss protonema is:

  1. 1n
  2. 2n
  3. 3n
  4. varies with the size of the protonema
15.

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.
16.

A botanist travels to an area that has experienced a long, severe drought. While examining the bryophytes in the area, they notice that many are in the same life-cycle stage. Which life-cycle stage should be the most common?

  1. zygote
  2. gametophyte
  3. sporophyte
  4. archegonium
17.

Microphylls are characteristic of which types of plants?

  1. mosses
  2. liverworts
  3. club mosses
  4. ferns
18.

A plant in the understory of a forest displays a segmented stem and slender leaves arranged in a whorl. It is probably a ________.

  1. club moss
  2. whisk fern
  3. fern
  4. horsetail
19.

The following structures are found on the underside of fern leaves and contain sporangia:

  1. sori
  2. rhizomes
  3. megaphylls
  4. microphylls
20.

The dominant organism in fern is the ________.

  1. sperm
  2. spore
  3. gamete
  4. sporophyte
21.

What seedless plant is a renewable source of energy?

  1. club moss
  2. horsetail
  3. sphagnum moss
  4. fern
22.

How do mosses contribute to returning nitrogen to the soil?

  1. Mosses fix nitrogen from the air.
  2. Mosses harbor cyanobacteria that fix nitrogen.
  3. Mosses die and return nitrogen to the soil.
  4. Mosses decompose rocks and release nitrogen.
23.

The production of megaphylls by many different species of plants is an example of _____.

  1. parallel evolution
  2. analogy
  3. divergent evolution
  4. homology
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