CHAPTER 26

Question 0

Production of woody tissues— secondary xylem, secondary phloem, and periderm

Answer 0

Secondary growth

Question 1

Secondary growth increases in the ____

Answer 1

Width of a plant

Question 2

Woody stem

From the outside in

Answer 2

Epidermis 
Periderm 
Cortex 
Primary phloem 
Secondary phloem 
Vascular cambium 
Secondary xylem 
Primary xylem 
Pith

Question 3

In a woody stem the epidermis

Answer 3

Will be lost as the plant expands

Question 4

____ replaces the epidermis

Answer 4

Periderm

Question 5

Periderm is composed of

Answer 5

Cork, cork cambium and phelloderm

Question 6

The cortex will be

Answer 6

Lost as the plant expands

Question 7

Primary phloem is the part of the phloem ____ from the vascular cambium

Answer 7

Furthest

Question 8

Secondary phloem contains bands of

Answer 8

Sclerenchyma fibers and parenchyma in phloem rays

Question 9

Wood stem

Vascular cambium produces

Answer 9

Secondary xylem toward the inside
And
Secondary phloem toward the outside

Question 10

Secondary xylem contains

Answer 10

Scattered sclerenchyma fibers and parenchyma in xylem Rays

Question 11

The part of the xylem furthest from the vascular cambium

Answer 11

Primary xylem

Question 12

___ is in the center

Answer 12

Pith

Question 13

An annual ring can be divided into two regions

Answer 13

Early/spring wood and late/summer wood

Question 14

Has very large vessels/tracheids

Answer 14

Early wood

Question 15

Has smaller vessels/tracheids

Answer 15

Late wood

Question 16

In diffuse porous an annual ring

Answer 16

Can NOT be divided into two regions

Question 17

Angiosperm

Answer 17

Have vessels and tracheids
Has sieve tube elements
Is called a hard wood
Is DICOT only

Question 18

Gymnosperm

Answer 18

Has tracheids only/ vesselless
Has sieve cells
Is called a soft wooed
Often has resin ducts/ canals

Question 19

The three types of sections

Answer 19

Cross
radial
Tangential

Question 20

A cut that is perpendicular to the long axis of the stem

Answer 20

Cross section or transverse section

Question 21

A cut that is longitudinal to the long axis of the stem

Answer 21

Radial section also known as quarter sawed

Question 22

A longitudinal cut off-center or on a tangent to the cylinder

Answer 22

Tangential section or plain sawed

Question 23

The diameter of vessels and tracheids are seen

Xylem Rays look like bicycle spikes

Answer 23

Cross section or transverse section

Question 24

The length of vessels and tracheids are seen | Xylem Rays look like brick paths

Answer 24

Radial section or quarter sawed

Question 25

The length of vessels and tracheids are seen | Xylem Rays look like ellipses of cells

Answer 25

Tangential section or plain sawed

Question 26

The two regions wood is divided into

Answer 26

Heart wood or the darkens nonfunctional xylem And Sapwood or the lighter functional xylem

Question 27

Secondary xylem in which its living xylem parenchyma grows into its dead tracheids and vessels

Answer 27

Nonfunctional xylem

Question 28

Bark is composed of

Answer 28

``` Periderm Cortex(if present) Primary phloem( if present) Secondary phloem Vascular cambium ```

Question 29

Two regions that bark is divided into

Answer 29

Outer bark -- older part being shed by the tree | Inner bark-- new part

Question 30

Inner bark includes

Answer 30

The vascular cambium and functional secondary phloem

Question 31

Edible bark

Answer 31

``` Potato skin(periderm) Cinnamon(inner bark of the sienna plant) ```