Chapter 12

Question 1

Which of the following is not a characteristic of all plants?

a. multicellular
b. plastids
c. cell walls
d. green color

Answer 1

green color

Question 2

Which of the following does not belong with the other three?

a. stems
b. cellulose
c. roots
d. leaves

Answer 2

cellulose

Question 3

A region on a stem where a leaf is or was attached is called a ____________

Answer 3

node

Question 4

The root systems of grasses that consist of many nearly equal-sized roots are

Answer 4

fibrous root systems

Question 5

In an opposite leaf arrangement, how many leaves are attached at the node?

Answer 5

two leaves are attached at a node

Question 6

An annual growth ring is composed of

Answer 6

xylem, springwood, summerwood

Question 7

The plant tissue that carries water from the roots to the leaves is

Answer 7

xylem

Question 8

Nonvascular plants do not contain

Answer 8

xylem or phloem

Question 9

The two main groups of seed plants are

Answer 9

gymnosperms and angiosperms

Question 10

Angiosperms produce

Answer 10

fruit

Question 11

What is the minimum number of leaflets a leaf must have to be a compound leaf?

Answer 11

two

Question 12

Do any nonvascular plants produce seeds? If so, name one.

Answer 12

There is no such plant

Question 13

Name one gymnosperm

Answer 13

pine, spruce, cycad, ginkgo

Question 14

major component of plant cell walls

Answer 14

cellulose

Question 15

caused by the presence of water inside plant cells

Answer 15

turgor pressure

Question 16

a chloroplast, for example

Answer 16

plastid

Question 17

made primarily of long, hollow cells that transport water

Answer 17

xylem

Question 18

a collection of xylem, is also known as ________

Answer 18

wood

Question 19

conducts sugar solution

Answer 19

phloem

Question 20

arrangements of xylem and phloem in leaves and nonwoody plants

Answer 20

vascular bundles

Question 21

the type of cell that can be used to make rope or cloth

Answer 21

fiber

Question 22

the outermost tissue of leaves, young roots, and young stems

Answer 22

epidermis

Question 23

a waxy substance secreted by the epidermis

Answer 23

cuticle

Question 24

the region to the outside of the xylem in a tree trunk

Answer 24

bark

Question 25

produced by the cork cambium

Answer 25

cork

Question 26

term for plants that have water-conducting tissue

Answer 26

vascular

Question 27

the rootlike anchoring structure of mosses

Answer 27

rhizoid

Question 28

the plant group that contains the true mosses

Answer 28

bryopphytes

Question 29

another nonvascular plant besides the mosses and liverworts

Answer 29

hornwort

Question 30

a fern leaf

Answer 30

frond

Question 31

an immature, coiled fern leaf also known as a fiddlehead

Answer 31

crosier

Question 32

a plant which has silica in its cell walls

Answer 32

horsetail

Question 33

the plant group having seeds that are not completely covered

Answer 33

gymnosperms

Question 34

the plant group known as the flowering plants

Answer 34

angiosperms

Question 35

True or False

Leaves are organs

Answer 35

True

Question 36

True or False

Roots branch at nodes

Answer 36

False

Question 37

True or False

A prime root system has one main root

Answer 37

False

Question 38

True or False

Herbaceous stems are usually flexible

Answer 38

True

Question 39

True or False

The petiole is the structure that attaches the leaf blade to the node

Answer 39

True

Question 40

True or False

Ferns do not require water for their reproduction

Answer 40

False