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Botany Lecture > Chapter 6 - Plant Body [Stem] > Flashcards

Chapter 6 - Plant Body [Stem] Flashcards

Learn about the Plant body. [Stem]

1
Q

(enumeration) Functions of Stem

A

Produces & support appendages of plant, Transport water and solutes, photosynthetic in some plants, produce & store materials necessary for life

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2
Q

(identification) First stem of a plant develops from part of a seed embryo called _________.

A

Epicotyl, continuation of Hypocotyl

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3
Q

(T/F) Internodes is the place where the leaves and buds are attached.

A

False, Nodes. Internodes is the portion between any two adjacent nodes.

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4
Q

(identification) Modified leaf that cover the buds during winter season

A

Scales

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5
Q

(identification) an unelongated stem constituting of short internodes and immature leaves and protected by a bud scale.

A

Bud

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6
Q

(identification) Found in the apex/tip of the stem

A

Terminal bud

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7
Q

(identification) found in the nodal section where the leaves are attached

A

Lateral bud

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8
Q

(identification) buds arising from the stems, roots or leaves.

A

Adventitious buds

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9
Q

(identification) formed below the lateral buds when the leaf detach

A

Leaf scars

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10
Q

(identification) Angle made by the leaf stalk and the stem from which the buds are formed.

A

Leaf axil

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11
Q

(enumeration) Kinds of Buds [Based on the organs produced]

A

Leaf buds - Stems and leaves
Flower buds - Flowers only
Mixed buds - both leaves ang Flowers

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12
Q

(enumeration) Kinds of Buds [Based on the Arrangement on the Stems]

A

Alternate, Opposite and Whorled

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13
Q

(T/F) Meristems - The development and differentiation in plants take place

A

True

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14
Q

(enumeration) 3 Primary Meristems

A

Protoderm, Ground Meristems and Procambium (Naulit na)

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15
Q

(enumeration) 3 Primary Tissues

A

Epidermis, Ground Tissue, Vascular Tissue.

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16
Q

(T/F) Primary Phloem - Sieve tube members, companion cells, fibers, sclereids and parenchyma.

A

True

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17
Q

(T/F) Primary Xylem - Tracheids and Vessel elements

A

True

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18
Q

(identification) refers to the suppression of growth by hormones produced in the apical Meristems

A

Apical dominance

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19
Q

(T/F) Reduce evaporation, gas exchange - Epidermis

A

True

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20
Q

(T/F) Photosynthesis, Collenchyma support - Pith

A

False, Cortex.

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21
Q

(T/F) Water storage, defense, disintegrate - Cortex

A

False, Pith.

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22
Q

(T/F) Conduction - Vascular Bundles

A

True

23
Q

(T/F) Support - Phloem Fibers

A

True

24
Q

(T/F) Conduct CH2O into the leaf - Functional Phloem

A

False, Away from the leaf

25
Q

(T/F) Adds .2° Xylem and .2° Phloem - Vascular Cambium

A

False, 2°.

26
Q

(T/F) Xylem conducts minerals up from soil to center.

A

True

27
Q

(identification) Scientific name of Grape

A

Vitis Vinifera

28
Q

(identification) The ________ cells build up to for a thick layer for the bark of a tree.

A

Cork

29
Q

(enumeration) Bark has..

A

Epidermis, Periderm, Cortex, Phloem, Vascular Cambium

30
Q

(enumeration) Wood has..

A

Secondary Xylem only!

31
Q

(enumeration) Pith has..

A

A small percentage of tree diameter at maturity. Hmm.

32
Q

(identification) Scientific name of Giant Sequoia

A

Sequoia Sempervirens

33
Q

(identification) Scientific name of White Pine.

A

Pinus Strobus

34
Q

(identification) Study of growth rings in wood.

A

Dendrochronology

35
Q

(identification) Scientific name of Bermuda grass.

A

Cynodon Dactylon

36
Q

(identification) Horizontal stem that grow above the ground with long Internodes

A

Stolons or Runners

37
Q

(T/F) Spider plant - Chlorophytum

A

True

38
Q

(T/F) Rhizomes - Nephrolepsis

A

False, Fern.

39
Q

(T/F) Fern are stems that grows above the ground with adventitious roots.

A

False, Rhizomes.

40
Q

(T/F) Tubers - Swollen regions of stems that store food of subsequent growth.

A

True

41
Q

(identification) Scientific name of Irish Potatoes

A

Solanum Tuberosum

42
Q

(T/F) Rosette - Stem with long Internodes and leaves attached.

A

False, Long Internodes.

43
Q

(identification) large buds with a small stem at the lower end.

A

Bulbs

44
Q

(identification) resemble bulbs but composed entirely of stem tissue.

A

Corms

45
Q

(identification) leaf-like stems modified for photosynthesis

A

Cladophyll or cladodes

46
Q

(identification) stout fleshy stems that are modified for water and food storage

A

Succulent stems

47
Q

(identification) For protection from grazing animals

A

Thorns

48
Q

(identification) for support

A

Tendrils

49
Q

(identification) powered by transpiration of water from the leaves

A

Root pressure

50
Q

(identification) water is pulled up from the roots due to adhesion of water to the xylem walls and tension generated by the water potential gradient between leaves and xylem.

A

Transpiration pull and water cohesion

51
Q

(enumeration) Other contributing factors of conduction of materials by xylem.

A

Atmospheric pressure, action of living cells, imbibition in cell walls of xylem.

52
Q

(enumeration) Hypothesis of Phloem function.

A

Cytoplasmic streaming, movement through interface, pressure flow or mass flow.

53
Q

(T/F) Transpiration - Cohesion hypothesis for water movement.

A

True

Botany Lecture (8 decks)

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