The common name for plants in the Division Psilophyta is A. club mosses. B. horsetails. C. whisk ferns. D. quillworts.

Ground pine and spike mosses are members of which division? A. Pterophyta B. Sphenophyta C. Lycophyta D. Psilophyta

Fig. 21.3

What name is given to the condition in which male and female spores and gametophytes are produced separately on one plant? A. heterospory B. alternation of generations C. homospory D. none of the above

Fig. 21.17d

Fern sporangia form clusters on the back of the leaf called A. indusia. B. pinnae. C. microsporophylls. D. sori.

What is the function of the annulus? A. to produce spores B. to catapult spores out of the sporangium C. to protect the archegonium D. to protect the young sporophyte

What is a prothallus? A. a fern gametophyte B. a club moss strobilus C. a fern fossil D. a fern sporangium

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In the Division Pinophyta, the male gametophyte is produced in the ovule. A. True B. False

In gymnosperms, another name for the strobilus is cone. A. True B. False

Fig. 22.12

Ginkgo trees produce male and female flowers on separate trees. A. True B. False

Gnetophytes are the only gymnosperms that have vessels in their xylem. A. True B. False

Fig. 22.15

Which structure is NOT part of the female gametophyte? A. nucellus B. integument C. egg D. generative cell

Which of the following tissues becomes the seed coat after fertilization in pines? A. micropyle B. nucellus C. megaspore D. integument

In pine, the female gametophyte is housed in the A. aril. B. ovule. C. pollen chamber. D. pollen grain.

Pine Life Cycle

Pine Life Cycle

In pine pollen, the spermatogenous cell A. divides and produces a sterile cell. B. produces one sperm cell. C. produces two sperm cells. D. forms the pollen tube.

Which of the following gymnosperms has only one living species? A. gnetophytes B. cycads C. ginkgoes D. pines

In flowering plants, the female gametophyte develops in the ovule. A. True B. False

Fig. 23.5

Primitive flowers have bilateral symmetry whereas modern flowers have radial symmetry. A. True B. False

What is the ultimate result of megasporocyte meiosis and mitosis? A. the production of 4 diploid cells B. the production of 8 haploid cells C. the production of 8 haploid nuclei D. the production of 4 haploid cells

What is the term used to describe the outer layer of the pollen grain wall? A. exine B. aperature C. micropyle D. seed coat

Fig. 23.8

Fruits that develop from ovaries that have unfertilized eggs are called A. carpels. B. parthenocarpic. C. epigynous. D. inferior.

Red flowers are usually pollinated by A. moths. B. birds and butterflies. C. beetles. D. animals.

Collections of dried, pressed, and labeled plants arranged by family are called A. libraries. B. herbaria. C. archives. D. none of the above.