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DIL Subjects > Botany (new terms) > Flashcards

Botany (new terms) Flashcards

1
Q

Ovary Wall

A

mass of tissue, enclose and protect the ovule

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2
Q

locule

A

lying within the ovary wall

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3
Q

Funiculus

A

stalk of the ovule

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4
Q

placenta

A

tissue on the ovary wall where the ovule derive its food. T

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5
Q

Integument

A

outermost tissue which develop into a seed. It consists the outer and inner wall enclosing the nucellus.

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6
Q

Microphyle

A

opening or pore for gases and pollen grains

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7
Q

Nucellus

A

layer of cell enclosing the embryo one

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8
Q

Embryo sac

A

sap filled membrane with 8 types of cells

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9
Q

egg or ovum

A

largest cell near the microphyle

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10
Q

syngergius

A

on both sides of the egg cell

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11
Q

polar nuclei

A

at the center

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12
Q

antipodals

A

opposite the microphyle

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13
Q

Epipetalous

A

stamen fused with the petal

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14
Q

free stamen

A

its anther has its own filament

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15
Q

monadelphous

A

stamen with fused filament forming staminal column

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16
Q

diadelphous

A

stamen of two groups: 1 free, 1 unite

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17
Q

syngensceous

A

stamen united by the anther but with free filaments

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18
Q

microsporogenesis

A

development of microspore

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19
Q

microspore

A

a spore that gives rise to male gametophyte

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20
Q

microsporangium

A

sporangium that bears the microspore

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21
Q

microsporocyte

A

diploid cells in which meiosis occurs resulting in 4 microspores

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22
Q

pollen sacs

A

anther is usually made up of elongated tubes called

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23
Q

Megasporegenesis

A

development of megaspore

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24
Q

megaspore

A

a spore that gives rise to female gametophyte

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25
Q

megasporangium

A

sporangium that bears megaspore

26
Q

megasporocyte

A

a diploid cell in which meiosis occurs, resulting in 4 megaspores

27
Q

petiolule

A

stalk below the lowest pair of leaflets in a compound leaf

28
Q

Sessile

A

when petiole is absent

29
Q

petiolate

A

when petioles are present

30
Q

stipule

A

ear like apendages

31
Q

stipel

A

stipules found at the base of the leaflet

32
Q

stipulate

A

plants with stipules

33
Q

exstipulate

A

plants without stipules

34
Q

margin

A

outer boundary of the leaf

35
Q

base

A

part near the stem

36
Q

apex

A

the terminal or distal pointed end of the leaf

37
Q

leaf sheath

A

part of the leaf that surrounds the stem in monocot plants

38
Q

ligule

A

attaches the leaf sheath to the leaf blade in monocots

39
Q

rachis

A

part of the axis of a pinnately compound leaf

40
Q

leaflet

A

the divided plate of a compound leaf

41
Q

Crystals

A

by-product of metabolism

42
Q

4 different types of crystals

A

rosette
prismatic
raphides
cystolith

43
Q

bundle sheath

A

surrounds the xylem and phloem, it serves as the medium for the exchange of food, water and minerals. It is made up of closely arranged parenchyma cells, and encloses the vascular bundles.

44
Q

Sclerenchyma, collenchyma, and parenchyma

A

mechanical or supporting tissues consist of ___ ____ ____ cells in the midrib

45
Q

Cirrhose apex
leaflet
petiole

A

tendrils - cylindrical coiling structures which develop from:

46
Q

glycolysis

A

initial breakdown of sugar

47
Q

phosphorylation

A

phosphate containing compound is added to sugar in preparation for the sugar breakdown

48
Q

sugar cleavage

A

splitting of carbon into two identical molecules

49
Q

pyruvic acid formation

A

immediate products are formed and oxygen, carbon dioxide and water are formed while the absence of oxygen, alcohols and acids are formed.

50
Q

cuticular

A

transpiration occurs within cuticle

51
Q

stomatal

A

transpiration occurs within stomata

52
Q

transpiration

A

loss of water in plants in vapor form

53
Q

ephermal leaves

A

temporary leaves that grow in cactus

54
Q

guttation

A

loss of water in plants in droplet or liquid form

55
Q

pedicel

A

stalk of the flower

56
Q

perianth

A

petals and sepals collectively

57
Q

androecium

A

stamen

58
Q

gymnocium

A

pistil

59
Q

apetalous (naked)

A

Flower without petals or perianth

60
Q

Choripetalous (polypetalous)

A

flowers with petals of separated petals

61
Q

Gamopetalous (sympetalous)

A

petals united forming the corolla tube.

62
Q

Ligulate

A

petal splits to a straplike petal lobe

DIL Subjects (10 decks)

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