Stems

Question 0

What is a primordium?

Answer 0

Protects the shoot apical meristem

Question 1

What primary meristem separates the ground meristem into two regions in the stem?

Answer 1

Pro cambium

Question 2

What is the function of a meristem?

Answer 2

Creates, grows, and transports many identical cells and differentiates as needed.

Question 3

Besides the stem tip, where else are apical meristems located?

Answer 3

The root

Question 4

What is the primary function of apical meristems?

Answer 4

House juvenile tissue

Question 5

How does the cell size change as you progress from the zone of cell division to the zone of maturation?

Answer 5

The cells get larger

Question 6

Are other changes in cell appearances visible?

Answer 6

Yes, then nucleus takes up more space in the cell during division and is less condensed in later stages.

Question 7

What tissue type is in the epidermis stem region?

Answer 7

Epidermis

Question 8

What tissue types are present in the cortex region of the stem?

Answer 8

Parenchyma, collenchyma

Question 9

What tissue type is presenting n the vascular bundle region of the stem?

Answer 9

Xylem, phloem, and sclerenchyma

Question 10

What tissue types are presenting the ray regions of the stem?

Answer 10

Parenchyma

Question 11

What tissue type is present in the pith region of the stem?

Answer 11

Parenchyma

Question 12

How are the vascular bundles arranged in the stem of dicots, such as coleus?

Answer 12

Vascular bundles are arranged in circles

Question 13

What cells are found in the epidermis tissue

Answer 13

Epidermis

Question 14

What cell types found in collenchyma tissue?

Answer 14

Collenchyma

Question 15

What cell type is present in parenchyma tissue

Answer 15

Parenchyma

Question 16

What cell type is present in sclerenchyma tissue?

Answer 16

Sclereids and fibers

Question 17

What cell types are present in phloem tissue?

Answer 17

Sieve tube elements and companion cells and phloem parenchyma.

Question 18

What cell types are found in xylem tissue?

Answer 18

Tracheids
Vessel elements
Xylem parenchyma

Question 19

What features are characteristics of a collenchyma cell?

Answer 19

Small cells

Thick cell walls

Question 20

Is the collenchyma located between the ribs, or on the ribs that run length wise on the celery petiole

Answer 20

On the ribs

Question 21

What can you infer is the function of parenchyma cells?

Answer 21

Cortex support

Question 22

When you eat a pear there is often a griddy substance in this type of fruit. What cell type do you expect causes the grid?

Answer 22

Sclereids

Question 23

In the white flesh of the pear which chemical compound doyl u suspect causes the grid?

Answer 23

Lignins

Question 24

Name the tissue types for Sclereids.

Answer 24

Sclerenchyma

Question 25

Name another cell type close related to Sclereids.

Answer 25

Fiber cells (fibers)

Question 26

Wood is composed of which tissue types?

Answer 26

Sclerenchyma | Xylem

Question 27

Which type of cells are found in wood?

Answer 27

Fibers Tracheids Vessel elements

Question 28

Which cell types of wood has tapered ends?

Answer 28

Fiber cells

Question 29

Which cell types of wood has blunt ends

Answer 29

Tracheids

Question 30

What are pits

Answer 30

Holes in the cell to allow water to go through

Question 31

Distinguish between simple and boardered pits

Answer 31

Simple pits are flat | Bordered pits overlap (stacked)

Question 32

Which cell types in wood has simple pits?

Answer 32

Fiber cells

Question 33

Which cell types of wood has bordered pits?

Answer 33

Tracheids

Question 34

What are functions of simple and bordered pits?

Answer 34

Allow water to go through

Question 35

Do gymnosperms have tracheids or vessel elements?

Answer 35

Tracheids

Question 36

Do angiosperms have tracheids or vessel elements?

Answer 36

They have both

Question 37

Which cell types in wood has a perforation plate?

Answer 37

Vessel elements

Question 38

Which is more efficient at collecting water, tracheids or vessel elements?

Answer 38

Vessel elements are more efficient at conducting water because they are shorter and wider, have thin cell walls, and have a perforation plate Tracheids have no perforation plate, are smaller, and thicker

Question 39

How are vascular bundles arranged in the stem of monocots such as corn

Answer 39

Randomly arranged

Question 40

What accounts for the joint appearance of corn stalk and bamboo stems?

Answer 40

Intercalary meristem

Question 41

Are grasses monocots or dicot

Answer 41

Monocots

Question 42

When the lawn is mowed is the apical meristem destroyed?

Answer 42

No, the apical meristem is at the bottom | ???

Question 43

How does cut or mowed grass re grow?

Answer 43

From the apical meristem

Question 44

How do monocots and herbaceous dicot stems differ?

Answer 44

The vascular bundles are in rings in dicot and disperse randomly in monocots

Question 45

How are monocots and herbaceous dicots stems alike?

Answer 45

All have the same components

Question 46

Is coleus a monocots, a herbaceous dicot, or a woody dicot

Answer 46

Herbaceous dicot

Question 47

How do you know whether coleus is monocot, herbaceous dicot, or woody dicot

Answer 47

The vascular bundles are in rings

Question 48

Is mokernut hickory: a monocot, a herbaceous dicot, or a woody dicot? How do you know?

Answer 48

A woody dicot Why?: hickory is wood, and it's vascular bundles contain rings.

Question 49

What are the 7 stem modifications?

Answer 49

``` Tuber Rhizome Thorn Stolon Tendril Cladode Corm ```

Question 50

What is the function of a tuber?

Answer 50

Storage

Question 51

What is the function of a rhizome

Answer 51

Storage

Question 52

What it's he function of a stolon

Answer 52

Ashley says : it's function is a "horizontal stem"

Question 53

What is the function of a thorn?

Answer 53

Defense

Question 54

What is the function of a corm?

Answer 54

Storage

Question 55

What is the function of a tendril?

Answer 55

Attachment

Question 56

What is the function of a cladode?

Answer 56

Photosynthesis

Question 57

What is the function of the shoot apical meristem?

Answer 57

Create Grow Differentiate new cells

Question 58

What tissue is derived from the protoderm?

Answer 58

Epidermal tissue

Question 59

What tissues derive from the ground meristem?

Answer 59

Parenchyma Sclerenchyma Collenchyma

Question 60

What tissues derived from the pro cambium?

Answer 60

Xylem and phloem

Question 61

Where are collenchyma cells located in a cross section? And what features make them useful in that location than in others?

Answer 61

At the cortex | Useful for thick cell walls