Plant Form and Function

Question 1

Roots

Answer 1

1)Anchor plant 2)take up ions/h2o from soil 3)Conduct h2o and ions to shoots 4)store molecules produced in roots

Question 2

Diversity of roots (2)

Answer 2

Fibrous roots and Taproots

Question 3

Main soil nutrients

Answer 3

K, N, P

Question 4

Adventitious Roots (3)

Answer 4

Prop roots, Storage roots, Aerial roots

Question 5

Prop roots

Answer 5

water plants

Question 6

Storage roots

Answer 6

veggies

Question 7

Aerial Roots

Answer 7

allow gas exchange for o2

Question 8

Shoot system (2 parts)

Answer 8

stems (nodes/internodes)
leaves (photosynthesis)
above ground

Question 9

Apical Bud

Answer 9

short tip (depend on environment)

Question 10

Auxiliary Bud

Answer 10

Lateral roots (depend on environment)

Question 11

Modified stems (3)

Answer 11

Stems, Rhizomes, Tubers

Question 12

Stems

Answer 12

store water

Question 13

Rhizomes

Answer 13

modified stem-thickened

Question 14

Tubers

Answer 14

ex: potato-swell to store nutrients (carbon)

Question 15

Leaves Definition and two types

Answer 15

Maximize surface area to aid photosynthesis (simple and compound leaves)

Question 16

Apical Meristems

Answer 16

elongate shoots and roots which causes primary growth of plant

Question 17

Primary Growth

Answer 17

vertical growth

Question 18

Secondary Growth

Answer 18

Horizontal growth/expansion outward

Question 19

Primary Growth-3 Main Tissue Types

Answer 19

Dermal, Vascular, Ground

Question 20

Dermal tissue consists of (2)

Answer 20

Epidermis and stomata

Question 21

Vascular Tissue

Answer 21

CORE

Xylem/Phloem (move things up/down the plant)

Question 22

Ground Tissue

Answer 22

storage, photosynthesis, support

Question 23

How is vascular tissue arranged in monocots?

Answer 23

in a ring arrangement

Question 24

How is the vascular tissue arranged in dicot?

Answer 24

X formation in the root

Question 25

Dermal Tissue

Answer 25

Protective barrier around the plant

Question 26

Dermal Tissue types (3)

Answer 26

Cuticle, Trichomes, Stomata

Question 27

Cuticle

Answer 27

Reduce water loss/infection

Question 28

Trichomes

Answer 28

defense, temp. regulation, water loss

Question 29

Stomata

Answer 29

aid in gas exchange

Question 30

Vascular tissues

Answer 30

Made of Xylem and Phloem

Question 31

Xylem

Answer 31

water transport, die at maturity

Question 32

Phloem

Answer 32

sap transport, not dead at maturity (sieve tubes and companion cells)

Question 33

Ground Tissue Definition

Answer 33

Any tissue that isn’t vascular

Question 34

Internal Ground tissue

Answer 34

Pith

Question 35

Exterior Ground Tissue

Answer 35

Cortex

Question 36

3 types of ground tissue cells

Answer 36

Parenchyma, collenchyma, sclerochyma

Question 37

Parenchyma

Answer 37

most abundant/lease specialized, divide at maturity to develop new plant (thin cell walls)

Question 38

Collenchyma

Answer 38

stay flexible while support growing shoot

Thicker cell walls

Question 39

Sclerochyma (4)

Answer 39

Thick/rigid, secondary cell wall formed with lignin, cell dead at maturity, structural support

Question 40

Secondary Growth-lateral meristems

Answer 40

add thickness to wood plants

Question 41

two types of lateral meristems

Answer 41

vascular cambium (xylem) and cork cambium (replace epidermis with wood