Chapter 13

Question 1

What is the proper order for the movement of water through a plant?

Answer 1

root hair, root, xylem, stomata

Question 2

Do roots have a spongy layer?

Answer 2

No

Question 3

Which cells regulate the size of the stomata?

Answer 3

guard cells

Question 4

If a plant’s guard cells malfunction what will happen?

Answer 4

the plant might suffer excessive water loss

Question 5

Which layer is under the upper epidermis and is made up of tall, thin, closely packed cells?

Answer 5

palisade layer

Question 6

Plant hormones are used to ___________

Answer 6

kill weeds, root cuttings and control fruit ripening

Question 7

True or False

Nearly all plant cells carry on aerobic cellular respiration.

Answer 7

True

Question 8

True or False

Plants store energy only as starch.

Answer 8

False

Question 9

True or False

The vascular cambium is a growth region in plants

Answer 9

True

Question 10

True or False

A plant’s stem exhibits negative gravitropism

Answer 10

True

Question 11

True or False

Plants can move

Answer 11

True

Question 12

True or False

Phytochrome is associated with tropisms

Answer 12

False

Question 13

A growth response of plants to their environment

Answer 13

tropism

Question 14

A plant’s response of growing away from a factor

Answer 14

negative tropism

Question 15

A plant’s response to growing toward a factor

Answer 15

positive tropism

Question 16

reversible, repeatable plant movements

Answer 16

nastic

Question 17

a plant’s growth response to gravity

Answer 17

gravitropism

Question 18

a plant’s growth response to light

Answer 18

phototropism

Question 19

plants that bloom when nights are long

Answer 19

short-day plants

Question 20

a plant’s response to auxin

Answer 20

elongation

Question 21

a plant’s response to the length of time it is exposed to light

Answer 21

photoperiodism

Question 22

plants that bloom whenever moisture and temperature are acceptable

Answer 22

day-neurtral plants

Question 23

The tiny extensions in the epidermis cells of the root that help them to absorb water are called

Answer 23

root hairs

Question 24

__________ occurs when water vapor passes out of the leaf through the stomata.

Answer 24

transpiration

Question 25

Exchange of gases in the woody areas of plants that takes place through tiny opening in the bark called ______

Answer 25

lenticels

Question 26

During photosynthesis, the gas _____________ must enter the leaf from the atmosphere.

Answer 26

carbon dioxide

Question 27

On a typical leaf, you will find the stomata in the _________ epidermal surface.

Answer 27

lower

Question 28

Auxin is a type of plant ___________

Answer 28

hormone

Question 29

Be able to label the plant leaf diagram on page 185

Answer 29

chloroplast, vein, xylem, phloem, cuticle, guard cell, stoma