Practical

Question 1

Primary cell wall stains:

Answer 1

Purple because cellulose in cell wall

Question 2

Cell with secondary cell wall stains:

Answer 2

blue because it has lignin

Question 3

Onion cell

Answer 3

cells long and rounded, nucleus is pushed to the side of the cell because of the vacuole

Question 4

Elodea

Answer 4

Chloroplasts: Oval shape, function in photosynthesis, Cytoplasmic streaming

Question 5

Cytoplasmic streaming

Answer 5

cytoskeleton movement

Question 6

potato

Answer 6

Amyloplasts for starch storage, good energy source

Question 7

Druse

Answer 7

Calcium oxylate crystal , found in central vacuole. little star shaped thingy

Question 8

Apical meristem leaves surrounding

Answer 8

dome shaped, the leaves surrounding are leaf primordia they protect

Question 9

Apical meristem what cells

Answer 9

tunica and corpus

Question 10

tunica

Answer 10

top of apical meristem gives rise to epidermis

Question 11

corpus

Answer 11

towards the center of the dome, gives rise to the rest of the plant body

Question 12

Parenchyma

Answer 12

pith and cortex

Question 13

cortex parenchyma

Answer 13

cells are smaller and aid in photosynthesis

Question 14

pith parenchyma

Answer 14

larger and function as storage cells

Question 15

chlorenchyma

Answer 15

photosynthetic parenchyma cells with chloroplasts just below the epidermis

Question 16

Water lilly left parenchyma

Answer 16

arenchyma (filled with large air spaces) has astrosclerids

Question 17

celery collenchyma

Answer 17

primary wall uneven and thick. the bundles found just under the epidermis. looks like checkers

Question 18

sclerenchyma types (2)

Answer 18

astrosclerids and brachysclerid

Question 19

astrosclerids

Answer 19

sikes in water lilly, intrusive growth

Question 20

brachysclerid

Answer 20

pits in lignified secondary cell wall

Question 21

Sclerenchyma

Answer 21

fiber with intrusive growth along plant axis (tall)

thin shape and stiff lignified walls

Question 22

In the epidermis- stoma comprised of what

Answer 22

guard cells and pores and subsidiary cells surrounding

Question 23

tricomes

Answer 23

outgrowths of leaf epidermal cells (plant hairs)

Question 24

corn stem cross

Answer 24

vascular bundles containing phloem and xylem

Question 25

vascular bundles in corn

Answer 25

Phloem is oriented towards the outside

Xylem toward the inside

Question 26

in the face…

Answer 26

forehead phloem, eyes are xylem(red b/c lignin)

Question 27

Tracheids

Answer 27

developed first– thin, long, tapered not stacked end to end. bordered pits

Question 28

Vessel elements

Answer 28

large and wide, stacked for rapid water transport

Question 29

sieve tube elements

Answer 29

flowering plants: found in phloem, transport cells, companion cells border

Question 30

sieve cells

Answer 30

non- flowering: transport cells and helped by albuminous cells

Question 31

secondary growth

Answer 31

grow out towards stem widening

Question 32

axial

Answer 32

vessels, tracheids, fibers, phloem

Question 33

radial

Answer 33

rays

Question 34

Bark

Answer 34

secondary phloem, has subernin

Question 35

wood

Answer 35

secondary xylem, has lignin

Question 36

late wood

Answer 36

smaller vessels less water, can detect drought

Question 37

early wood

Answer 37

large vessels more water, light wood

Question 38

pine wood

Answer 38

rays and tracheids

Question 39

bordered pits

Answer 39

in tracheids have a margo(outside) and torus(inside)

Question 40

perforation plates

Answer 40

element of flowering wood

Question 41

cell in flowering plant that most resembles a tracheid

Answer 41

fibers!

Question 42

2ndary phloem triangles

Answer 42

rays expand, fibers are dark blue

Question 43

periderm

Answer 43

cork is outside flat cells, cork cambuim then cork parenchyma

Question 44

cork cells

Answer 44

dead and squished can take damage without harming the plant

Question 45

cork oak

Answer 45

rings, corks and in Mediterranean