Leaves

Question 1

The main photosynthetic organ.

Answer 1

leaves

Question 2

has vascular tissue bundles that arise from the midrib

Answer 2

veins

Question 2

part of the leaf that is flat and the light-harvesting portion

Answer 2

leaf blade /lamina

Question 2

Upper leaf zone; VENTRAL; smooth

Answer 2

adaxial surface

Question 2

Lower leaf zone; DORSAL with large veins portrude

Answer 2

abaxial surface

Question 2

part of the leaf that that holds the blade out into the light

Answer 2

petiole

Question 2

Most of this type of plant have parallel major veins of equal diameter that run the length of the blade.

Answer 2

monocot

Question 2

What is the center main vein of a leaf

Answer 2

midrib

Question 2

it is the outline of the leaf.

Answer 2

margin

Question 2

this helps in identification of a species

Answer 2

leaf shape

Question 2

opposite of the apex and tip of the leaf blade.

Answer 2

base

Question 2

where does leaves develop?

Answer 2

leaf primordia

Question 2

function in protecting the bud and photosynthesis

Answer 2

stipule

Question 2

monocot lack petiole, instead what do they have?

Answer 2

leaf sheath that envelopes the stem

Question 2

In basal angiosperms and
eudicots what is their venation

Answer 2

netted pattern - reticulate venation

Question 2

what do you call the venation of monocots with long, strap shaped leaves, the larger veins run side by side with few obvious interconnections

Answer 2

parallel venation

Question 2

what type of plant where leaf primordia encircle shoot apical meristem.

Answer 2

monocot

Question 3

Most of these types of plant generally have a branched network of veins arising from the midrib that runs down the center of the blade

Answer 3

dicot

Question 3

what determines the phyllotaxy?

Answer 3

shoot apical meristem

Question 3

classifications of leaf margin

Answer 3

entire, toothed, lobed, parted

Question 4

architectural feature important to light capture.

Answer 4

Phyllotaxy

Question 5

produced in roots and leaves in response to water deficiency.

Answer 5

Abscisic acid

Question 5

one main midrib

Answer 5

unicostate

Question 6

what type of plant where shoot apical meristem produce leaf primordia

Answer 6

dicot

Question 6

more than one major vein

Answer 6

multicostate

Question 7

without ligule what is the leaf angle?

Answer 7

smaller leaf angle

Question 8

the blades are not divided into distinct parts, although they may be deeply lobed

Answer 8

simple leaves

Question 9

leaves lack petioles since attached directly by its base without a stalk

Answer 9

sessile

Question 10

are divided into leaflets, each usually with its own small petiole

Answer 10

compound leaves

Question 11

is an extension of the petiole

Answer 11

rachis

Question 11

plants that require an environment that is neither too wet nor too dry

Answer 11

mesophytes

Question 12

modified branches that arise in the axils of leaves

Answer 12

thorns

Question 13

neither a stem nor a leaf but a small, more or less slender, sharp outgrowth from the cortex and epidermis

Answer 13

prickle

Question 13

membranous outgrowth at base of blade of most grasses

Answer 13

ligule

Question 14

hinge for blade to project at an angle from the stem

Answer 14

auricle

Question 14

helps in positioning the leaf

Answer 14

auricle and appendages.

Question 15

controls the opening and closing of leaflets

Answer 15

pulvini

Question 15

leaf sheath and laminar joint is =

Answer 15

collar

Question 16

types of simple leaf

Answer 16

obtuse, palmate, cordate, round, reniform

Question 16

what is the stimuli of makahiya plant?

Answer 16

touch

Question 17

do compound leaf has node and internode?

Answer 17

none

Question 18

petioles attached to middle of blade

Answer 18

peltate

Question 19

swollen area at leaf base and allows movement as response to stimuli

Answer 19

Pulvinus

Question 19

leaflets attach at same point

Answer 19

palmately compound

Question 19

leaflets form in pairs along central stalk (rachis)

Answer 19

pinnately compound

Question 20

sessile leaves surround and are pierced by stem

Answer 20

perfoliate

Question 21

first leaves to form on axillary buds; protect axillary buds

Answer 21

prophyll

Question 22

base of petiole and cells release enzyme; breaks cell walls causing leaf to easily drop

Answer 22

abscission zone

Question 22

morphologically different leaves on same plant

Answer 22

leaf dimorphism

Question 23

leaf blade of fern

Answer 23

frond

Question 24

movement independent of stimuli

Answer 24

nastic movement

Question 25

directional movement to/from stimuli

Answer 25

tropism movement

Question 26

what type of movement do venus flytrap follow?

Answer 26

nastic movement

Question 27

what type of movement do prayer plant follow?

Answer 27

tropism movement

Question 28

thigmonasty vs thigmotropism

Answer 28

thigmonasty - does not involve direction, thigmotropism involves direction.

Question 29

is pulvinuse nastic or tropism?

Answer 29

nastic

Question 29

leaves for photosynthesis

Answer 29

foliage leaves

Question 30

outer covering, arised from protoderm

Answer 30

epidermis

Question 30

embryonic leaf for storage

Answer 30

cotyledon

Question 31

openings in the epidermis that regulates gas exchange

Answer 31

stomata

Question 31

outermost waxy layer and protects against drought

Answer 31

cuticle

Question 32

plants that require a large supply of water or grow wholly or partly submerged in water

Answer 32

hydrophytes

Question 32

plants that are adapted to arid habitats

Answer 32

xerophytes

Question 33

dominant transpiration that accounts for water loss in plants through escape of water vapor through stomata

Answer 33

Stomatal transpiration

Question 33

water vapor directly diffuses through cuticle and out to atmosphere

Answer 33

Cuticular Transpiration

Question 34

The ground tissue of the leaf, with its large volume of intercellular spaces and numerous chloroplasts, that is particularly specialized for photosynthesis

Answer 34

mesophyll

Question 35

2 differentiation of mesophyll cells

Answer 35

palisade and spongy

Question 36

between palisade and spongy mesophyll which has more chlorophyll

Answer 36

palisade parenchyma

Question 37

stomatal distribution of dicot

Answer 37

scattered (kidney shaped)

Question 37

stomatal distribution of monocot

Answer 37

rows (dumbbell shaped)

Question 38

both sides have stomata

Answer 38

amphistomatic

Question 39

stomata is only found on the abaxial side

Answer 39

hypostimatic

Question 40

stomata is only found on the adaxial side

Answer 40

epistomatic

Question 40

specialized parenchyma cells for photosynthesis

Answer 40

chlorenchyma

Question 41

mesophyll region in monocot

Answer 41

no differentiation

Question 42

mesophyll region in dicot

Answer 42

differentiated into two (palisade and spongy)

Question 43

concentric arrangement of the mesophyll and bundle-sheath layers in C4 plants

Answer 43

Kranz Anatomy

Question 43

function of palisade mesophyll

Answer 43

absorbing light

Question 44

function of spongy mesophyll

Answer 44

for gas exchange

Question 44

What is the size and thickness of sun leaves and shade leaves?

Answer 44

sun leaves - smaller and thicker shade leaves - larger and thinner

Question 44

where is the location of sun leaves and shade leaves?

Answer 44

sun leaves at top shade leaves at bottom

Question 45

which has more chlorophyll sun leaves or shade leaves?

Answer 45

shade leaves have more chlorophyll

Question 46

which has more rubisco, sun leaves or shade leaves?

Answer 46

sun leaves have more rubisco (faster carbon fixation)

Question 47

what is the environment of venus fly traps

Answer 47

nutrient deficient

Question 48

economic importance of leaves

Answer 48

source of nutrition, flavor, medicine and well-being, fiber, recreation.

Question 49

Two small bulges in leaf development

Answer 49

leaf buttress

Question 50

hormone responsible for leaf initiation

Answer 50

auxin

Question 51

stimulate form of the bulge form (leaf buttress)

Answer 51

cytokinin

Question 52

what does leaf buttress develops into?

Answer 52

leaf primordium

Question 53

stage of leaf development primordial leaf axis is developed to petiole, midrib or rachis

Answer 53

primary morphogenesis

Question 54

stage of leaf development where the final form and size is achieved

Answer 54

secondary morphogenesis

Question 55

stage of leaf development where marginal meristem develop into lamina

Answer 55

primary morphogenesis

Question 56

Expansion and elongation of the leaf occur largely by

Answer 56

intercalary growth