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Biology

Review Questions

BiologyReview 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.

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

  1. sperm with flagella
  2. phragmoplasts
  3. sporopollenin
  4. chlorophyll a
8.

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
9.

Which of the following structures is not found in bryophytes?

  1. a cellulose cell wall
  2. chloroplast
  3. sporangium
  4. root
10.

Stomata appear in which group of plants?

  1. Charales
  2. liverworts
  3. hornworts
  4. mosses
11.

The chromosome complement in a moss protonema is:

  1. 1n
  2. 2n
  3. 3n
  4. varies with the size of the protonema
12.

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.
13.

Microphylls are characteristic of which types of plants?

  1. mosses
  2. liverworts
  3. club mosses
  4. ferns
14.

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
15.

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

  1. sori
  2. rhizomes
  3. megaphylls
  4. microphylls
16.

The dominant organism in fern is the ________.

  1. sperm
  2. spore
  3. gamete
  4. sporophyte
17.

What seedless plant is a renewable source of energy?

  1. club moss
  2. horsetail
  3. sphagnum moss
  4. fern
18.

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.
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