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Introductory Plant Biology, 9/e
Kingsley R. Stern, California State University, Chico
Introduction to Seed Plants: Gymnosperms

Chapter Quiz



1

In the Division Pinophyta, the male gametophyte is produced in the ovule.
A)True
B)False
2

In gymnosperms, another name for the strobilus is cone.
A)True
B)False
3

All species of conifers produce woody seed cones with conspicuous scales.
A)True
B)False
4

Ginkgo trees produce male and female flowers on separate trees.
A)True
B)False
5

The sperm cells of cycads are similar to conifers in that both are non-flagellated.
A)True
B)False
6

Gnetophytes are the only gymnosperms that have vessels in their xylem.
A)True
B)False
7

The seeds and inner bark of pines are edible.
A)True
B)False
8

Which structure is NOT part of the female gametophyte?
A)nucellus
B)integument
C)egg
D)generative cell
9

What is the function of resin in conifers?
A)It prevents fungal and insect attacks.
B)It assists in water transport in the xylem.
C)It makes the wood fibers stronger.
D)All of the above.
10

Which of the following tissues becomes the seed coat after fertilization in pines?
A)micropyle
B)nucellus
C)megaspore
D)integument
11

In pine, the female gametophyte is housed in the
A)aril.
B)ovule.
C)pollen chamber.
D)pollen grain.
12

In pine pollen, the spematogenous cell
A)divides and produces a sterile cell.
B)produces one sperm cell.
C)produces two sperm cells.
D)forms the pollen tube.
13

Which of the following conifers produces a fleshy seed?
A)juniper
B)fir
C)pine
D)spruce
14

Which of the following gymnosperms has only one living species?
A)gnetophytes
B)cycads
C)ginkgoes
D)pines
15

In cycads, pollination is generally brought about by
A)wind.
B)beetles.
C)moths.
D)water.
16

Which division of gymnosperms has plants with small leaves and photosynthetic stems?
A)Pinophyta
B)Ginkophyta
C)Cycadophyta
D)Gnetophyta
17

Which gymnosperm has seeds with an edible starchy food reserve and nutlike flavor?
A)gnetophytes
B)cycads
C)ginkgoes
D)Welwitschia








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