Plant Form

Question 1

What do plants have?

Answer 1

Cells
Tissue
Organs
Organ systems

Question 2

What are the two layers some plant cell walls have?

Answer 2

Primary cell wall
secondary cell wall

Question 3

What is the primary cell wall form?

Answer 3

the outermost cell wall layer

Question 4

What does the secondary cell wall form?

Answer 4

the tough layer inside the primary wall

Question 5

What is the middle lamella?

Answer 5

the sticky layer that lies between adjacent plant cells

Question 6

What is the plasmodesmata?

Answer 6

Openings in the cell wall that allow cells to communicate and exchange materials easily

Question 7

What are the five major types of plant cells?

Answer 7

parenchyma
collenchyma
sclerenchyma
water-conducting
food-conducting

Question 8

What are Parenchyma cells?

Answer 8

the most abundant cell in plants which is thin and flexible primary cell wall

Question 9

What is the function of Parenchyma cells?

Answer 9

perform most of the metabolic functions of a plant

Question 10

What are some features of Collenchyma cells? (3)

Answer 10

1. lack secondary wall
2. unevenly thick primary cell wall
3. flexible support in actively growing parts of the plant

Question 11

Sclerenchyma cells have a thick secondary wall usually strengthened with what?

Answer 11

lignin

Question 12

True of False: Sclerenchyma cells can elongate

Answer 12

False: They cannot elongate at maturity since they are only found in regions of plants that have stopped growing

Question 13

What are the two types of Sclerenchyma cells

Answer 13

Fibers
Sclereids

Question 14

What are features of fiber sclerenchyma cells

Answer 14

long and slender usually arranged in bundles

Question 15

What are features of sclereids sclerenchyma cells

Answer 15

shorts that fibers, with thick irregular and very hard secondary walls

Question 16

What are the five major types of plant cells

Answer 16

1. parenchyma cells
2. collenchyma cells
3. sclerenchyma cells
4. water conducting cells
5. food-conducting cells

Question 17

What are the two types of tissue Xylem is made from

Answer 17

Tracheids and vessel elements

Question 18

What are the two types of cells phloem tissue is made from?

Answer 18

Sieve-tube elements
companion cells

Question 19

Xylem moves water ___ the plant

Answer 19

Up the plant

Question 20

Phloem moves food ___ the plant

Answer 20

down the plant

Question 21

At maturity are Phloem dead or alive?

Answer 21

Alive

Question 22

At maturity are Xylem dead or alive?

Answer 22

Dead

Question 23

What are the small holes in the Dermal Tissue called?

Answer 23

Stoma

Question 24

What is the purpose of Stoma?

Answer 24

gas exchange

Question 25

What are the two systems in plants?

Answer 25

Shoot system and root system

Question 26

What are the two parts of a plant stem?

Answer 26

Nodes Internodes

Question 27

Where are nodes found?

Answer 27

where leaves develop

Question 28

Where are Internodes found?

Answer 28

space between nodes

Question 29

Plants use Indererminate growth, what does this mean?

Answer 29

They continue growing throughout the organisms life

Question 30

What are the two types of growth that happen during Primary Growth?

Answer 30

roots push downwards through soil shoots grow upwards towards the sun

Question 31

True or False: In Primary Growth, growth only occurs at the root and tips

Answer 31

True!

Question 32

Where are the Apical Meristems located?

Answer 32

tips of the roots or shoots

Question 33

Where are root caps located?

Answer 33

Covering the Apical Meristems

Question 34

What are the three "zones" behind the root caps?

Answer 34

Zone of Cell Division Zine of Elongation Zone of Differentiation

Question 35

What is the purpose of Secondary Growth?

Answer 35

To increase the thickness of stems and roots

Question 36

In secondary growth what are Lateral Meristems?

Answer 36

Areas of active cell division

Question 37

Where are the two cylinders which Lateral Meristems exist in?

Answer 37

extending along the roots and shoots

Question 38

What are the two cylinders that lateral meristems called?

Answer 38

Vascular Cambium Cork Cambium

Question 39

Where is Vascular cambium located

Answer 39

between prime xylem and prime phloem

Question 40

Whee is the cork cambium located

Answer 40

the outer edge of stem cortex