Question 1

Most of the pulpwood for paper today comes from pines.

Accepted Answer

A) True 
 B)False

Question 2

Living conifers (genus Pinus)  are native to ________.

Accepted Answer

A)   Australia
B)   Southern Hemisphere
C)   Northern Hemisphere
D)   Central and South America
E)   all continents except Antarctica

Question 3

Resin consists of turpentine and rosin.

Accepted Answer

A) True 
 B)False

Question 4

Welwitschia plants have trunks like palm trees.

Accepted Answer

A) True 
 B)False

Question 5

The Pacific Yew tree is a source of an anticancer drug called taxol.

Accepted Answer

A) True 
 B)False

Question 6

Male pine cones commonly take four years to mature.

Accepted Answer

A) True 
 B)False

Question 7

Conifer resins are a source of which of the following?

Accepted Answer

A)   turpentine
B)   dammar
C)   rosin
D)   amber
E)   All of these answers are correct.

Question 8

The first plants to produce seeds looked very much like

Accepted Answer

A)   mosses.
B)   horsetails.
C)   pines.
D)   quillworts.
E)   ferns.

Question 9

The specific cells of pines that develop into pollen grains are

Accepted Answer

A)   sperms.
B)   megaspores.
C)   nucellus cells.
D)   microspores.
E)   eggs.

Question 10

Which of the following is NOT a gnetophyte?

Accepted Answer

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

Question 11

After fertilization the integument of gymnosperms becomes

Accepted Answer

A)   a fruit.
B)   an embryo.
C)   a seed coat.
D)   nutritive tissue.
E)   an ovule.

Question 12

Which of the following groups of gymnosperms have vessels in their wood?

Accepted Answer

A)   gnetophytes (Division Gnetophyta) 
B)   conifers (Division Coniferophyta) 
C)   Ginkgoes (Division Ginkgophyta) 
D)   Cycads (Division Cycadophyta) 
E)   All of these answers are correct.

Question 13

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.

Question 14

Eastern white pine and bald cypress trees provided so many useful products that their populations were drastically reduced before the end of 19th century.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is an aril?

Accepted Answer

A)   nutritive tissue surrounding the female gametophyte of conifers
B)   an alternate name for a pine needle
C)   a fleshy cuplike covering surrounding the ovule of a yew
D)   a light, airy seed
E)   All of these answers are correct.

Question 16

Conifers (Division Coniferophyta)  date back to the

Accepted Answer

A)   Devonian period.
B)   Permian period.
C)   Triassic period.
D)   Carboniferous period.
E)   Silurian period.

Question 17

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.

Question 18

Edible or otherwise useful gymnosperms do not include

Accepted Answer

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

Question 19

Western North America contains populations of the tallest, most massive, and oldest of the gymnosperms living. They are: ________.

Accepted Answer

A)   California gum tree, elephant tree, and creosote
B)   coastal redwood, giant redwood, and bristlecone pine
C)   bald cypress, red pine, and jack pine
D)   Zamia, red cedar, and dawn redwood
E)   None of these.

Question 20

Which of the following is NOT associated with conifers?

Accepted Answer

A)   hypodermis
B)   resin canals
C)   albuminous cells
D)   vessel elements and fibers
E)   soft wood

Exam 22: Introduction to Seed Plants: Gymnosperms

The Pacific Yew tree is a source of an anticancer drug called taxol.

Correct AnswerverifiedShow Answer

Most of the pulpwood for paper today comes from pines.

Correct AnswerverifiedShow Answer

Resin consists of turpentine and rosin.

Correct AnswerverifiedShow Answer

The first plants to produce seeds looked very much like

Correct AnswerverifiedShow Answer

Which of the following is an aril?

Correct AnswerverifiedShow Answer

Which of the following is NOT associated with conifers?

Correct AnswerverifiedShow Answer

Conifers (Division Coniferophyta) date back to the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Eastern white pine and bald cypress trees provided so many useful products that their populations were drastically reduced before the end of 19th century.

Correct AnswerverifiedShow Answer

Which of the following groups of gymnosperms have vessels in their wood?

Correct AnswerverifiedShow Answer

Conifer resins are a source of which of the following?

Correct AnswerverifiedShow Answer

The specific cells of pines that develop into pollen grains are

Correct AnswerverifiedShow Answer

Living conifers (genus Pinus) are native to ________.

Correct AnswerverifiedShow Answer

Welwitschia plants have trunks like palm trees.

Correct AnswerverifiedShow Answer

Which statement about the nucellus is INCORRECT?

Correct AnswerverifiedShow Answer

Western North America contains populations of the tallest, most massive, and oldest of the gymnosperms living. They are: ________.

Correct AnswerverifiedShow Answer

Which of the following is NOT a gnetophyte?

Correct AnswerverifiedShow Answer

After fertilization the integument of gymnosperms becomes

Correct AnswerverifiedShow Answer

Edible or otherwise useful gymnosperms do not include

Correct AnswerverifiedShow Answer

Male pine cones commonly take four years to mature.

Correct AnswerverifiedShow Answer

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