Lab Practical

Question 1

Monocot

Answer 1

1 cotyledon, parallel leaves, scattered vascular bundles, fibrous root system

Question 2

Dicot

Answer 2

2+ cotyledons, reticulate leaves, circular vascular bundles, taproot system

Question 3

Collenchyma

Answer 3

structural support, edges of plant tissue, near epidermis

Question 4

Leaf Primordia

Answer 4

early shoot, develops into bud

Question 5

Apical meristem

Answer 5

undifferentiated cells, tips of roots and shoots

Question 6

Axillary Buds

Answer 6

dormant embryonic shoot

Question 7

Amyloplast

Answer 7

storage of starch granules, stained purple

Question 8

Sclereids

Answer 8

thick cell walls, pear’s gritty texture

Question 9

Lenticel

Answer 9

allow O2 to enter the plant, allows for gas exchange in loose tissue, stimluates growth

Question 10

Pine (Gym) Transverse

Answer 10

vertical thin rp/vertical boxy tracheids

Question 11

Oak (Ang) Transverse

Answer 11

vertical thin rp/vertical circular vessel elements/surrounded by smaller circular fibers

Question 12

Pine (Gym) Radial

Answer 12

Long thin vertical trachieds/Horizontal thin rp

Question 13

Oak (Ang) Radial

Answer 13

Long skinny vertical fibers, gapping vertical vessel, small circular horizontal rp

Question 14

Pine (Gym) Tangential

Answer 14

Vertical wispy trachieds/small circular rp in between

Question 15

Oak (Ang) Tangential

Answer 15

Long vertical fibers/large vessel whole/small circular rp in between fibers

Question 16

Gymnosperms

Answer 16

tracheids, pit membrane, sieve cells, sieve pores

Question 17

Angiosperms

Answer 17

vessel elements, sclerieds, fibers, phloem sieve tubes (members, plates, companion cells)

Question 18

Phloem Sieve Tube

Answer 18

sieve tube members, sieve plate, “plunger”

Question 19

Stomatal Guard Cells Open

Answer 19

Hydrated

Question 20

Stomatal Guard Cells Closed

Answer 20

Dehydrated

Question 21

Adaxial

Answer 21

top, palisades parenchyma

Question 22

Abaxial

Answer 22

bottom, stomata, spongy parenchyma

Question 23

Monocot Leaves

Answer 23

Adaxial bundle sheath extensions

Question 24

Shade Leaf

Answer 24

thinner, less tightly packed

Question 25

Sun Leaf

Answer 25

expensive, thicker, more tightly packed, burns more sugar

Question 26

Hydrophyte

Answer 26

aerenchyma and fewer stomata, huge circular aerenchyma holding O2

Question 27

Xerophyte

Answer 27

stomatalcrypts

Question 28

Leaf Abscission Zone

Answer 28

cortex parenchyma cells that are affected are stained and are corked off, vascular tissue is unaffected until the cork tissue has made it fully across

Question 29

Leaf Vein Networks

Answer 29

mesophyll (site of chloroplasts)

Question 30

Root Anatomy

Answer 30

Region of Maturation, Region of Elongation, Region of Division, Root Cap

Question 31

Root Hairs

Answer 31

Region of Maturation

Question 32

Monocot Root

Answer 32

Central pith, xylem and phloem surrounding

Question 33

Dicot Root

Answer 33

Central xylem, surrounding phloem

Question 34

Pericycle

Answer 34

Lateral root origin

Question 35

Casparian Strip

Answer 35

ring-like band that controls the movement of water and solutes into the vascular tissue

Question 36

Root Nodules

Answer 36

symbiotic infection of bacteria, nitrogen-fixing bacteria, swelling of the appendage on the lateral root

Question 37

Anet

Answer 37

Assimilation of Carbon (umol/m^2s)

Question 38

E

Answer 38

Evapotranspiration (mol/m^2s)

Question 39

gsw

Answer 39

stomatal conductance (mol/m^2s)

Question 40

Fv/Fm

Answer 40

chlorophyll fluorescence

Question 41

LI-6800

Answer 41

Measures CO2/H20

Question 42

IRGA

Answer 42

Infrared Gas Analyzer, two calibrated chambers, measuring difference in photosynthetic rate, matching occurs, drift happens, latch closes

Question 43

Thermocouple

Answer 43

Two metals have a difference in temperature, which triggers a voltage that can be quantified

Question 44

Driving Force (pressure)

Answer 44

P + G + H

Question 45

Conductance

Answer 45

flux/driving force

Question 46

Xcs

Answer 46

(l x conductance)/ xylem area

Question 47

Lcs

Answer 47

(l x conductance)/ leaf area