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BOTANY > Plant Tissues > Flashcards

Plant Tissues Flashcards

1
Q
  • Derived from shoot and root apical
  • primary tissues
A

Primary Plant Body (Herbaceous Body)

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2
Q
  • Plant that never becomes woody
  • lives >1yr
A

Herb

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3
Q
  • derived from meristems other than apical meristems
  • secondary tissues (wood & bark)
A

Secondary plant body (woody body)

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4
Q

Has primary tissues at its root and tips
Secondary tissues arise inside the primary tissues

A

Woody plant

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5
Q

Group of cells that perform specific function

A

Tissues

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6
Q

Classification based on stage of development

A

Embryonic / meristematic
Permanent

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7
Q

Actively dividing development

A

Meristematic

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8
Q

Classification based on composition

A

Simple (one type)
Complex (diss. Types)

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9
Q

Meristematic classification based on: INITIATING CELLS (origin)

A

Primary meristem
Secondary mersitem
Promeristem (primordial meristem)

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10
Q

Meristematic classification based on: position in the plant body (location)

A

Apical (length)
Intercalary (elongation)
Lateral (thickness)

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11
Q

Meristematic classification based on: FUNCTION

A

Protoderm (dermatogen) - epidermis/dermal tissue system
Procambium (plerome) - primary vascular tissue
Fundamental/ground (periblem) - ground tissue

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12
Q

No longer dividing
Stable cells

A

Permanent Tissues

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13
Q

Types of permanent tissues

A

Simple permanent tissues
Complex permanent tissue

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14
Q

Classified based on the nature of the cell wall
One type of cells
Dermal/protective/ground/fundamental

A

Simple Permanent tissue

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15
Q

Vascular
Diff kinds of calls but similar function

A

Complex permanent tissue

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16
Q

Mass of parenchyma cells
Soft parts of the plant

A

Parenchyma Tissue

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17
Q

Thin walls / Large Vacuole
Alive at maturity
Subtypes specialized for tasks
Most common

A

Parenchyma cells

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18
Q

Parenchyma cell: involved in photosynthesis

A

Chlorenchyma cells

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19
Q

Parenchyma cells: short distance transport of material

A

Transfer calls

20
Q

Parenchyma cells: secrete nectar, fragrances, mucilage, resins and oils

A

Glandular cells

21
Q

Parenchyma cells: Large intercellular spaces, specializes in gas exchange

A

Aerenchyma

22
Q

Mass of collenchyma cells

A

Collenchyma tissue

23
Q

Unevenly thickened primary walls
Alive at maturity
PLASTICITY
Shoot tips and young petioles

A

Collenchyma cells

24
Q

Mass of Sclerenchyma cells

A

Sclerenchyma tissues

25
Q

Lignified primary nd secondary walls
Dead at maturity
ELASTICITY
Water transport

A

Scelerenchyma cells

26
Q

Inflexible and brittle hard impenetrable surfaces

A

Sclereids (stone cells)

27
Q

FLEXIBLE
Elongates as the internode length increas
Resists insects

A

Fibers

28
Q

Common source for paper and linen cloth

A

Flax fibers

29
Q

Water conducting cells
Movement of water in pits

A

Tracheids

30
Q

Large perforation for easy water movement

A

Vessel Elements

31
Q

Outermost surface of herbaceous stem
Protection, material regulation
Encrusted w CUTIN
Guard cells, trichomes, root hairs

A

Epidermis (simple dermal parenchyma)

32
Q

Guard + stomatal pore =

A

Stoma / stomata

33
Q

Epidermis: serves as WATER RESERVOIR

A

Accessory cells

34
Q

Epidermis: longitudinal rows of VACUOLATED CELLS

A

Bulliform cells

35
Q

For the ELONGATION of the epidermal cell outward

A

Epidermal hair

36
Q

Epidermal outgrowths/hairs

A

Trichomes

37
Q

Outer covering of WOODY stems
Suberin
Produced by the cork cambium
NO INTERCELLULAR SPACES

A

Cork/ Phellem

38
Q

Vascular tissue system

A

Xylem
Phloem

39
Q

Brings water and mineral salts from root to plant

A

Xylem

40
Q

Complex tissue: Moves food

A

Phloem

41
Q

Xylem consists of :

A

Tracheids, vessels, xylem parechyma, xylem fibres

42
Q

Xylem: stores water and minerals

A

Xylem parenchyma

43
Q

Phloem consists of:

A

Sieve tubes, companion cells, phloem parenchyma, phloem fibres

44
Q

Phloem: transports food from leaves to all parts of the plant

A

Sieve tubes, companion cells

45
Q

Phloem: stores food

A

Phloem parenchyma

46
Q

processes by which distinct cell types arise from precursor cells

A

Differentiation

BOTANY (3 decks)

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