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BOTANY LEC > M4: PLANT HISTOLOGY > Flashcards

M4: PLANT HISTOLOGY Flashcards

1
Q

histology came from the words:

A

“histos” - tissue
“logia” - study of

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1
Q

study of tissue

A

HISTOLOGY

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2
Q

histos

A

tissue

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3
Q

logia

A

study of

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4
Q

cells are made up of __

A

tissues

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5
Q

a group of CLOSELY ASSOCIATED cells that PERFORM RELATED STRUCTURE and are similar in structure

A

PLANT TISSUE (a system)

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6
Q

3 types of PLANT TISSUES

A

GROUND TISSUE
DERMAL TISSUE
VASCULAR TISSUE

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7
Q

where CELL DIVISION takes place

A

MERISTEMATIC STEM

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8
Q

PRIMARY MERISTEMS

A

PROTODERM
GROUND MERISTEM
PROCAMBIUM

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9
Q

lahat ng nakausli (stem pataas)

A

SAM - SHOOT APICAT MERISTEM

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10
Q

root meristem kinempers

A

RAM - ROOT APICAT MERISTEM

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11
Q

OUTERMOST; forms EPIDERMIS

A

PROTODERM

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12
Q

ground tissue (cortex + epidermis)

A

GROUND MERISTEM

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13
Q

INNERMOST; primary vascular tissue

A

PROCAMBIUM

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14
Q

where tissues ORIGNIATE

A

MERISTEM

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15
Q
  • lengthen stems and roots
  • responsible for PRIMARY GROWTH
A

APICAL MERISTEMS

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16
Q
  • increase WIDTH of stems
  • responsible for SECONDARY GROWTH
A

LATERAL MERISTEMS

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17
Q

TWO TYPES OF LATERAL MERISTEMS

A

VASCULAR CAMBIUM
CORK CAMBIUM

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18
Q

vascular tissue

A

VASCULAR CAMBIUM

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19
Q

cork - woody plant

A

CORK CAMBIUM

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20
Q

PRODUCES TISSUES FOR SECONDARY GROWTH that function primarily in support and conduction

A

VASCULAR CAMBIUM

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21
Q

is in the form of a THIN CYLINDER that runs the length of roots and stems of WOODY PLANTS

A

CORK CAMBIUM

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22
Q

where does cork cambium lies?

A

OUTSIDE THE VASCULAR CAMBIUM

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23
Q

it lies outside the vascular cambium

A

CORK CAMBIUM

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24
Q

grasses and related plants - neither cork / vascular cambium

A

INTERCALARY MERISTEMS

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25
Q

have APICAL MERISTEMS in the vicinity of nodes (these are leaf attachment areas)

A

INTERCALARY MERISTEMS

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26
Q

DEVELOP AT INTERVALS along stems, where, like the tissues produced by apical meristems, their tissues ADD TO STEM LENGTH.

A

INTERCALARY MERISTEMS

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27
Q

PROTECTS THE SOFT TISSUES of plants and CONTROLS INTERACTIONS WITH THE PLANTS’ SURROUNDINGS

A

DERMAL TISSUE

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28
Q

a dermal tissue that is usually a SINGLE LAYER of cells COVERING the YOUNGER PARTS of a plant. it secretes a waxy layer called the cuticle that inhibits water loss

A

EPIDERMIS

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29
Q

a WAXY LAYER that the epidermis secretes which INHIBITS WATER LOSS

A

CUTICLE

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30
Q

3 REGIONS OF LEAF

A

EPIDERMIS
MESOPHYLL
VEINS

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31
Q

this exists on younger plants

A

EPIDERMIS

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32
Q

covers and protects plant surfaces

A

EPIDERMIS

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33
Q

in plants with secondary growth, the ____ replaces epidermis

A

PERIDERM

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34
Q

a WAXY SUBSTANCE sa PERIDERM

A

SUBERIN

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35
Q

GAS EXCHANGE sa PERIDERM

A

LENTICELS

36
Q

found in adult plants

A

PERIDERM

37
Q

aerial roots

A

VELAMEN ROOTS

38
Q

produce aerial roots called velamen roots

A

EPIDERMIS

39
Q

most epidermal cells secrete a FATTY SUBSTANCE called _____ within and on the surface of the outer walls

A

CUTIN

40
Q

cutin forms a protective layer called the

A

CUTICLE

41
Q

constitutes the outer bark and is primarily composed of somewhat rectangular and box-like CORK CELLS, which are DEAD at maturity

A

PERIDERM

42
Q

the PERIDERM secretes a fatty substance called

A

SUBERIN

43
Q

waterproofing to protect the phloem and other tissues from frying out and mechanical injury

A

SUBERIN

44
Q

cork cells are present

A

PERIDERM

45
Q

bubble shaped cells

A

BULLIFORM CELLS

46
Q

location where MOST of the PHOTOSYNTHESIS takes place

A

MESOPHYLL

47
Q

UPPER REGION with compactly stacked BARREL SHAPED or post shaped parenchyma cells in two rows; with 80% of leaf chloroplast

A

PALASIDE MESOPHYLL

48
Q

PALASIDE MESOPHYLL is composed of __% of leaf chloroplast

A

80%

49
Q

LOWER REGION containing LOOSELY ARRANGED parenchyma cells with lots of AIR SPACES in between them, with cells having NUMEROUS CHLOROPLAST

A

SOPNGY MESOPHYLL

50
Q

type of mesophyll that is not found in MONOCOTS

A

SPONGY MESOPHYLL

51
Q

central vein

A

MIDRIB

52
Q

o The HAIR LIKE STRUCTURE in the epidermis

A

TRICHOMES

53
Q

these tissues are involved in photosynthesis, storage, regeneration, support, and protection

A

GROUND TISSUE

54
Q

a COMPLEX plant tissue

A

EPIDERMIS

55
Q

epidermis is usually __ cell thick

A

ONE

56
Q

3 TYPES OF GROUND TISSUE

A

PARENCHYMA
SCLERENCHYMA
COLLENCHYMA

57
Q

have THIN CELL WALLS and large vacuoles and are MOST ABUNDANT OF ALL THE CELLS

A

PARENCHYMA

58
Q

this is found in parenchyma cells

A

INTERCELLULAR SPACE

59
Q

this performs photosynthesis and STORE PROTEIN AND STARCH

A

PARENCHYMA

60
Q

ALIVE AT MATURITY

A

PARENCHYMA

61
Q

a type of parenchyma cell that is found in AQUATIC PLANTS

A

AERENCHYMA

62
Q

composed of ELONGATED CELLS and have THICK CELL WALL

A

COLLENCHYMA

63
Q

a type of parenchyma cell na MARAMING CHLOROPLASTS

A

CHLORENCHYMA

64
Q

intercellular space is NOT FOUND in ____

A

COLLENCHYMA

65
Q

provide support for GROWING TISSUES, like stem

A

COLLENCHYMA

66
Q

DEAD AT MATURITY

A

SCHLERENCHYMA

67
Q

composed of NARROW DEAD THICK-WALLED CELLS

A

SCHLERENCHYMA

68
Q

UNEVEN CELL WALL

A

COLLENCHYMA

69
Q

provide SUPPORT FOR THE PLANT

A

SCLERENCHYMA

70
Q

hardening agent that is found in SCLERENCHYMA

A

LIGNIN

71
Q

composed of XYLEM and PHLOEM which function in the TRANSPORT OF WATER AND DISSOLVED SUBSTANCES

A

VASCULAR TISSUE

72
Q

transports material BETWEEN THE ROOT AND THE SHOOT of the plant

A

VASCULAR TISSUE

73
Q

XYLEM is also known as

A

CONDUCTING SCHLERENCHYMA

74
Q

conducted water and dissolved materials

A

XYLEM

75
Q

these cells are DEAD and HOLLOW AT MATURITY that are found in xylem

A

CONDUCTING CELLS

76
Q

consist of a combination of parenchyma cells, fibers, vessels, tracheids, and ray cells

A

XYLEM

77
Q

LONG TUBES composed of individual cells, called vessel elements

A

VESSELS

78
Q

vessels are composed of individual cells called ______

A

VESSEL ELEMENTS

79
Q

a cell wall in xylem that is only present during maturity

A

RAY CELLS

80
Q

are dead at maturity and have relatively thick secondary cell walls, are TAPERED AT EACH END, the ends OVERLAPPING with those of other tracheids

A

TRACHEIDS

81
Q

TRANSPORTS SUGARS (throughout the leaf of the plant)

A

PHLOEM

82
Q

cells that are found in phloem that ASSIST IN THE LOADING OF SUGARS

A

COMPANION CELLS

83
Q

mix of sclerenchyma, parenchyma, etc.

A

COMPANION CELLS

84
Q

Its main conducting cells are sieve-tubes members

A

PHLOEM

85
Q

flowering plants

A

DICOT

86
Q

found BETWEEN THE CORTEX AND VASCULAR TISSUE

A

ENDODERMIS

87
Q
A

BOTANY LEC (20 decks)

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