Question 1

With the exception of a few woody vines, the growth form of the gymnosperms are __________________.

Accepted Answer

A)  woody trees or shrubs 
B)  herbaceous 
C)  parasitic on flowering plants 
D)  seed-producing 
E)  flower-producing 
A)  woody trees or shrubs 
B)  herbaceous 
C)  parasitic on flowering plants 
D)  seed-producing 
E)  flower-producing A

Question 2

In the life cycle of a typical conifer (e.g., a pine)

Accepted Answer

A)  pollen is produced in woody cones. 
B)  pollen is produced in inconspicuous flowers. 
C)  seeds are produced in woody cones. 
D)  the pollen tube grows down through the style to reach the archegonium. 
E)  there are two integuments surrounding the embryo sac. 
A)  pollen is produced in woody cones. 
B)  pollen is produced in inconspicuous flowers. 
C)  seeds are produced in woody cones. 
D)  the pollen tube grows down through the style to reach the archegonium. 
E)  there are two integuments surrounding the embryo sac. C

Question 3

Fungi play an important role in the growth of pines.

Accepted Answer

A) True 
 B)False  True

Question 4

In pines a pollen grain reaches the nucellus via the

Accepted Answer

A)  archegonium. 
B)  micropyle. 
C)  pollen tube. 
D)  embryo. 
E)  megasporangium. 
A)  archegonium. 
B)  micropyle. 
C)  pollen tube. 
D)  embryo. 
E)  megasporangium.

Question 5

Most of the pulpwood for paper today comes from pines.

Accepted Answer

A) True 
 B)False

Question 6

Giant redwoods are easily damaged in forest fires because of their thin bark.

Accepted Answer

A) True 
 B)False

Question 7

Male pine cones commonly take four years to mature.

Accepted Answer

A) True 
 B)False

Question 8

Which statement about the nucellus is INCORRECT?

Accepted Answer

A)  Nucellus tissue is found within the ovule of the gymnosperms. 
B)  The nucellus is covered by the integuments. 
C)  The nucellus plays a role in both male and female gametophytes. 
D)  The food stored in the nucellus is used by the developing megagametophyte. 
E)  The ovule, nucellus, and integument are diploid tissues. 
A)  Nucellus tissue is found within the ovule of the gymnosperms. 
B)  The nucellus is covered by the integuments. 
C)  The nucellus plays a role in both male and female gametophytes. 
D)  The food stored in the nucellus is used by the developing megagametophyte. 
E)  The ovule, nucellus, and integument are diploid tissues.

Question 9

A strobilus (pl.strobili)is ________________________.

Accepted Answer

A)  an asexual reproductive structure 
B)  part of the gymnosperm gametophyte 
C)  compact, spirally-arranged group of sporophylls 
D)  found in liverworts 
E)  found in flowering plants 
A)  an asexual reproductive structure 
B)  part of the gymnosperm gametophyte 
C)  compact, spirally-arranged group of sporophylls 
D)  found in liverworts 
E)  found in flowering plants

Question 10

Which of the following is NOT a gnetophyte?

Accepted Answer

A)  Ephedra 
B)  Podocarpus 
C)  Welwitschia 
D)  Gnetum 
E)  joint fir 
A)  Ephedra 
B)  Podocarpus 
C)  Welwitschia 
D)  Gnetum 
E)  joint fir

Question 11

Gymnosperms generally have broad leathery leaves.

Accepted Answer

A) True 
 B)False

Question 12

Early explorers in North America found numbers of pines stripped of their bark by Native Americans.The primary reason Native Americans did this was

Accepted Answer

A)  they wanted the bark for fuel. 
B)  they were tapping the resin for various uses. 
C)  they were trying to kill bark borer beetles. 
D)  they used the phloem for food. 
E)  they used the bark for shelter thatching. 
A)  they wanted the bark for fuel. 
B)  they were tapping the resin for various uses. 
C)  they were trying to kill bark borer beetles. 
D)  they used the phloem for food. 
E)  they used the bark for shelter thatching.

Question 13

Edible or otherwise useful gymnosperms do not include

Accepted Answer

A)  horsetails. 
B)  cycads. 
C)  Ephedra (joint fir). 
D)  ginkgoes. 
E)  kauri pines. 
A)  horsetails. 
B)  cycads. 
C)  Ephedra (joint fir). 
D)  ginkgoes. 
E)  kauri pines.

Question 14

The mature male gametophyte of a pine consists of a germinated pollen grain with a pair of sperms in the pollen tube.

Accepted Answer

A) True 
 B)False

Question 15

Pine leaf fascicles (clusters)usually

Accepted Answer

A)  remain for most of the life of the tree. 
B)  are angular on all sides. 
C)  all fall off, a few at a time, every growing season. 
D)  consist of four to eight leaves or needles in all except one or two species. 
E)  fall off within two to five years of their maturing. 
A)  remain for most of the life of the tree. 
B)  are angular on all sides. 
C)  all fall off, a few at a time, every growing season. 
D)  consist of four to eight leaves or needles in all except one or two species. 
E)  fall off within two to five years of their maturing.

Question 16

This is the largest group of living gymnosperms, comprising about 50 genera and 550 species.

Accepted Answer

A)  cycads 
B)  gnetophytes 
C)  conifers 
D)  ginkgos 
E)  none of these answers are correct 
A)  cycads 
B)  gnetophytes 
C)  conifers 
D)  ginkgos 
E)  none of these answers are correct

Question 17

The sporophylls of pines are usually spirally arranged in strobili.

Accepted Answer

A) True 
 B)False

Question 18

The phylum Gingophyta is represented by _________ living species.

Accepted Answer

A)  three genera and 30 
B)  one 
C)  approximately 100, primarily north of the equator 
D)  approximately 90, primarily in the tropics 
E)  zero 
A)  three genera and 30 
B)  one 
C)  approximately 100, primarily north of the equator 
D)  approximately 90, primarily in the tropics 
E)  zero

Question 19

The female gametophyte of pines usually contains two to six

Accepted Answer

A)  pollen grains. 
B)  integument cells. 
C)  archegonia. 
D)  micropyles. 
E)  pollen chambers. 
A)  pollen grains. 
B)  integument cells. 
C)  archegonia. 
D)  micropyles. 
E)  pollen chambers.

Question 20

The seeds of ginkgoes have a fleshy covering and look plumlike.

Accepted Answer

A) True 
 B)False

Exam 22: Introduction to Seed Plants: Gymnosperms

With the exception of a few woody vines, the growth form of the gymnosperms are __________________.

In the life cycle of a typical conifer (e.g., a pine)

Fungi play an important role in the growth of pines.

In pines a pollen grain reaches the nucellus via the

Most of the pulpwood for paper today comes from pines.

Giant redwoods are easily damaged in forest fires because of their thin bark.

Male pine cones commonly take four years to mature.

Which statement about the nucellus is INCORRECT?

A strobilus (pl.strobili)is ________________________.

Which of the following is NOT a gnetophyte?

Gymnosperms generally have broad leathery leaves.

Early explorers in North America found numbers of pines stripped of their bark by Native Americans.The primary reason Native Americans did this was

Edible or otherwise useful gymnosperms do not include

The mature male gametophyte of a pine consists of a germinated pollen grain with a pair of sperms in the pollen tube.

Pine leaf fascicles (clusters)usually

This is the largest group of living gymnosperms, comprising about 50 genera and 550 species.

The sporophylls of pines are usually spirally arranged in strobili.

The phylum Gingophyta is represented by _________ living species.

The female gametophyte of pines usually contains two to six

The seeds of ginkgoes have a fleshy covering and look plumlike.

What Is Plant Biology

The Nature of Life

Cells

Tissues

Roots and Soils

Stems

Leaves

Flowers, Fruits, and Seeds

Water in Plants

Plant Metabolism

Growth

Meiosis and Alternation of Generation

Genetics

Plant Breeding and Propagation

Evolution

Plant Names and Classification

Domain Kingdombacteria, Domain King-Domarchaea, and Viruses

Kingdom Protista

Kingdom Fungi

Introduction to the Plant Kingdom: Bryophytes

The Seedless Vascular Plants: Ferns and Their Relatives

Seed Plants: Angiosperms

Flowering Plants and Civilization

Ecology

Biomes

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