Plant structure

Question 1

What does herbaceous mean?

Answer 1

nonwoody (aerial part dies back)

Question 2

Example of annual

Answer 2

corn

Question 3

Biennials

Answer 3

herbaceous plants that grow, reproduce, and die in 2 year or less

Question 4

Example of biennial

Answer 4

cabbage

Question 5

Woody plants are all perenials. true/false

Answer 5

true

Question 6

What does the root system do for plants?

Answer 6

obtain water and dissolved minerals

anchors it

Question 7

What does the shoot system do for plants?

Answer 7

obtain sunlight 
exchange gases (CO2, O2, H2O)

Question 8

List the three types of plant tissue along with what they do.

Answer 8

ground- photosynthesis, storage, and support
vascular- conduction
dermal- covering

Question 9

What plant organs consist of all 3 tissues.

Answer 9

roots
stems
leaves
flowers
fruits

Question 10

List the three ground tissuses

Answer 10

parenchyma
collenchyma
sclerenchyma

Question 11

What does vascular tissue do?

Answer 11

conducts material throughout the plant

provides strength and support

Question 12

List the 2 types of vascular tissue

Answer 12

Xylem

Phloem

Question 13

What are the conducting cells of xylem

Answer 13

tracheids
vessel elements
both are dead and hollow at maturity

Question 14

What are the conducting elements of phloem?

Answer 14

sieve tube elements

assisted by companion cells

Question 15

What are the two types of dermal tissue?

Answer 15

epidermis

periderm

Question 16

Describe the location of the epidermis?

Answer 16

covers herbaceous plant body

usually a single lay of cells

Question 17

Describe the location of the periderm

Answer 17

covers woody parts of plant body when epidermis is destroyed

outer bark of trees

Question 18

What secretes the cuticle?

Answer 18

the epidermis

Question 19

Trichomes

Answer 19

outgrowths or hairs

Question 20

In salty enviroments, specialized trichomes on leaves remove excess____that accumulates in the plant

Answer 20

salt

Question 21

In desert plants, trichomes on aierial parts increase ____of light, cooling _____tissues

Answer 21

reflection

internal

Question 22

Stingging nettles have trichomes that contain______chemicals

Answer 22

irritating

Question 23

Root Hairs

Answer 23

simple trichomes that increase surface area of root epidermis, increasing absorption

Question 24

Periderm is a complex tissue composed mainly of ___ cells and cork ____ cells

Answer 24

cork

parenchyma

Question 25

Cork cells are coated with what ? Why?

Answer 25

suberin

to reduce water loss

Question 26

Cork parenchyma cells function mainly as what?

Answer 26

storage

Question 27

Where does growth happen in plants?

Answer 27

the meristem

Question 28

Plant growth involves 3 processes. What?

Answer 28

cell division- increase in number of cells
cell elongation
cell differentiation- specialization into various cell types

Question 29

Primary growth

Answer 29

growth in stem and root length

Question 30

Secondary Growth

Answer 30

increase in plant girth

Question 31

Apical meristem

Answer 31

responsible for primary growth

Question 32

Two Lateral meristems

Answer 32

responsible for secondary growth