Chapter 10

Question 1

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

Answer 1

fibrous root systems

Question 2

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

Answer 2

node

Question 3

If a plant’s guard cells malfunctions,

Answer 3

the plant might suffer excessive water loss

Question 4

In an opposite leaf arrangement,

Answer 4

two leaves are attached at a node

Question 5

The exchange of gases in the woody areas of plants takes place through tiny openings in the bark

Answer 5

lenticels

Question 6

To control their own growth, plants produce ________

Answer 6

hormones

Question 7

The passage of water vapor out of the leaf through the stomata

Answer 7

transpiration

Question 8

The study of plants

Answer 8

botany

Question 9

Plants

Answer 9

• are eukaryotic
• are producers
• have cell walls

Question 10

An annual growth ring is composed of

Answer 10

springwood and summerwood

Question 11

A component of plant cell walls

Answer 11

cellulose

Question 12

Caused by the presence of water inside plant cells

Answer 12

turgor pressure

Question 13

A chloroplast is an example of this

Answer 13

plastid

Question 14

A collection of xylem

Answer 14

wood

Question 15

Transports a sugar solution

Answer 15

phloem

Question 16

Arrangements of xylem and phloem in leaves and in nonwoody plants

Answer 16

vascular bundles

Question 17

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

Answer 17

epidermis

Question 18

The outer covering of a woody plant

Answer 18

bark

Question 19

Carries water from the roots to the leaves

Answer 19

xylem

Question 20

Special pigments that control a plant’s response to light

Answer 20

phytochromes

Question 21

Growth away from a factor

Answer 21

negative tropism

Question 22

Reversible, repeatable plant movements

Answer 22

nastic

Question 23

A growth response to gravity

Answer 23

gravitropism

Question 24

A growth response to light

Answer 24

phototropism

Question 25

Plants that bloom when nights are long

Answer 25

short-day plants

Question 26

A response to the length of time exposed to light

Answer 26

photoperiodism

Question 27

Stems that are hard and not flexible

Answer 27

woody stems

Question 28

This is a growth region in plants

Answer 28

vascular cambium

Question 29

A plants stem exhibits this

Answer 29

negative gravitropism

Question 30

A type of plant hormone

Answer 30

Auxin

Question 31

The closing of a Venus flytrap is an example of _______ movement

Answer 31

nastic movement

Question 32

Mastic movements are caused by changes in _________ ________

Answer 32

turgor pressure

Question 33

These are located on the underside (bottom) of leaves

Answer 33

stomata

Question 34

When a tree has been girdled, food (sugar) cannot be transported to the bottom of the tree because the _________ has been removed

Answer 34

phloem