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Pharmacy > Exercise No8 Botany Lab > Flashcards

Exercise No8 Botany Lab Flashcards

1
Q

Histology

A

Study of tissues and cells under a microscope

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2
Q

Meristematic tissues

A

Can be differentiated
Produce cells that quickly differentiate or specialize and become permanent tissue
Differentiate ito 3 makn types
Dermal
Vascular
Ground

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3
Q

Dermal tissues

A

Covers the plant
Can be found on the outer layer of the roots, stems and leaves

Functions:
Transpiration
Gas exchange
Defense

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4
Q

Vascular tissues

A

The plumbing system if the plant

Functions:
Allows water, nutrients & dissolved sugars from photosynthesis to pass throgh the parts of the plant
Composed of 2 primary conducting tissue
Xylem
Phloem

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5
Q

Ground tissue

A

Tissues that are not considered dermal or vascular tissues

Functions:
Store molecules such as starch
Photosynthesize ( such as mesophyll)
Support

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6
Q

Permanent tissue

A

Tissues that cannot be differentiated further
They lost the ability to divide

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7
Q

Parenchymal cells

A

Composes the horizontal rays in wood
Retains the ability to divide
Important in vegetative regeneration and wound healing
Responsible for photosynthesis, storage & transport
Integral part to vascular tissues where it provides routes of exchange of materials within and between xylem and phloem

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8
Q

Collenchymal cells

A

Living cells with thick primary walls

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9
Q

Sclerenchymal cells

A

Dead cells with very thick cell walls
Are lignified

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10
Q

Safranin
Staining agent

A

C20H19N4Cl
Counterstain in coloring cell nuclei red

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11
Q

Sieve plates

A

Thin plates which separate neighboring phloem cells

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12
Q

Epidermal

A

Epidermis
Trichome hairs
Stomata

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13
Q

Ground

A

Parenchyma
Collenchyma
Sclerenchyma
Mesophyll

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14
Q

Vascular

A

Xylem
Phloem
Cambium

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15
Q

Monocot roots

A

Fibrous
Form a wide network of thin roots that originates from the stem
Stay close to the surface of the soil

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16
Q

Dicot roots

A

Taproots
Form a aingle thick root that grows deep into the soil
Smaller lateral branch

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17
Q

Modified roots

A

Radish - fusiform root
Carrot - conical root
Turnip - napifor root
Mirabilis - tuberous root

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18
Q

Roots

A

Subterranean system of plants
Main anchorage of plants
Absorbs water and minerals from substrate
Produce hormones to regulate overall plant growth

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19
Q

Tap roots

A

As a food storage

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20
Q

Mangrove roots

A

For respiration

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21
Q

Potato and asparagus roots

A

Adventitious roots

22
Q

Banyan tree roots

A

Prop roots

23
Q

Corn roots

A

Stilt roots

24
Q

Money plant and vanilla roots

A

Climbing roots

25
Q

Orchids

A

Clinging roots

26
Q

Talisay tree roots

A

Butress roots

27
Q

Viacum and cuscuta

A

Sucking roots or haustoria

28
Q

Jussiaea

A

Floating root

29
Q

Water chestnut

A

Assimilatory root

30
Q

Stem

A

Provides the main axis to which the leaves, flowers and the fruit attach
Can be woody and herbaceous

31
Q

Potato, ginger and gabi stem

A

As food storage

32
Q

Stem tendrils from axillary buds

A

Help support plants such as grapes, cucumber, watermelon and ampalaya

33
Q

For defense

A

Thorns of the citrus

34
Q

Stem of cactus

A

May photosynthesize

35
Q

Stolons or runners

A

Stems extend laterally along the soil surface

36
Q

Onion bulbs

A

Modified stem

37
Q

Leaves

A

Site for photosynthesis

38
Q

Leaf primordia

A

The first indication that a new leaf is on its way to maturity

39
Q

Bulge

A

Leaf butress, elongates until a flattened blade appears attached to the petiole

40
Q

Sessile leaves

A

Leaves with no petiole and attached directly to the stem

41
Q

Mesophyll

A

Where photosynthesis takes place

42
Q

Palisade mesophyll

A

A picket on cell layer thick mesophyll

43
Q

Spongy mesophyll

A

Collection of photosynthetic cells thatare loosely arrange to allow good difusion of gasses

44
Q

Leaf shapes and sizes

A

Inportant in the survival of plants

45
Q

Thicker leaves

A

If water is limited

46
Q

Smaller leaf blades

A

For areas with ating winds to minimize wind drag

47
Q

Phyllotaxy

A

Arrangement of the leaves

48
Q

Thigmotropism

A

The response of plants to touch

49
Q

Floating leaves

A

Water likies and water spinach have extra cells between the mesophyll to allow bouyancy

50
Q

Bracts

A

Extra layer of leaves underneath the flowers

Pharmacy (25 decks)

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