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Biology 2 > Lesson 1 ? > Flashcards

Lesson 1 ? Flashcards

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1
Q

provide
support to a growing plant.

A

Collenchyma

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2
Q

they are strong and
flexible

celery strings are strands
of collenchyma

they have unevenly thick
cell walls

A

Collenchyma

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3
Q

the most common plant cell type.

A

Parenchyma

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4
Q

store starch, oils and water

A

Parenchyma

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5
Q

help heal wounds to the plant

A

Parenchyma

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6
Q

have thin flexible walls

A

Parenchyma

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7
Q

Plants passively transport water through the xylem

explains water movement

A

cohesion-tension theory

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8
Q

tendency of water molecules to bond with each other.

A

cohesion

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9
Q

covers the
outside of a plant.

A

dermal tissue

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10
Q

found inside a plant.

A

ground tissue

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11
Q

travels from roots to the top of trees.

A

water

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12
Q

contains specialized cells.

A

xylem

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13
Q

Water and dissolved minerals move through

A

xylem

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14
Q

vessel elements

A

short and wide

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15
Q

tracheid cells

A

long and narrow

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16
Q

xylem cells

A

die at maturity

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17
Q

the loss of water
vapor through leaves.

A

Transpiration

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18
Q

water vapor exits

A

leaf stomata

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19
Q

is the tendency of water molecules to bond with other substances.

A

adhesion

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20
Q

create tension within xylem that helps move water upward.

A

Cohesion and adhesion

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21
Q

are the strongest plant cell type.

A

Sclerenchyma

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22
Q

used by humans to make
linen and rope

A

Sclerenchyma

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23
Q

die when they reach
maturity

A

Sclerenchyma

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24
Q

second cell wall hardened
by lignin

A

Sclerenchyma

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25
Q

Vascular tissue transports

A

water, minerals and organic
compounds.

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26
Q

xylem transports

A

water
and minerals

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27
Q

phloem transports

A

photosynthetic products

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28
Q

allows
for the transport of water,
minerals, and sugars.

A

vascular system

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29
Q

carries sugars from
photosynthesis throughout the plant.

A

Phloem

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30
Q

contains specialized cells.

A

Phloem

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31
Q

have holes at
ends

A

sieve tube elements

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32
Q

helps sieve tube elements

A

companion cells

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33
Q

unlike xylem, phloem tissue

A

alive

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34
Q

There are two main types
of roots.

A

Fibrous root systems, Taproot systems

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35
Q

have
one main root.

A

Taproot systems

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36
Q

have fine branches.

A

Fibrous root systems

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37
Q

support plants, transport materials, and provide
storage.

A

Stems

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38
Q

form the support system of vascular plants.

A

Roots and stems

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39
Q

grow
underground
for storage

A

Stems

40
Q

anchor plants and absorb mineral nutrients from soil.

A

Roots

41
Q

covers the tip

A

root cap

42
Q

an area
of growth

A

apical meristem

43
Q

contains
xylem and phloem

A

vascular cylinder

44
Q

absorb light and carry out
photosynthesis.

A

Leaves

45
Q

surround each stoma.

A

Guard cells

46
Q

Leaf margins may be

A

toothed, entire, or lobed.

47
Q

Leaf veins may be

A

parallel or pinnate.

48
Q

increases
a plant’s length.

A

Primary growth

49
Q

increases a plant’s width.

A

Secondary growth

50
Q

Leaves may be

A

simple, compound, or double compound.

51
Q

help
determine the
age of a tree.

A

Tree rings

52
Q

can be woody, and
form protective bark.

A

stem

53
Q

Pieces of tissues from one plant are placed on a
sterile medium and used to grow new individuals
in mass numbers.

A

Tissue Culture

54
Q

arise from axillary
bud on very short stem with
thick fleshy leaves (only in
monocots).

A

bulb

55
Q

New shoots arise from axillary bud on swollen,
short, fleshy, underground stem.

A

Tuber

56
Q

Has both male and female sex organs

A

Hermaphrodites

57
Q

Leaves or pieces of stems or roots are cut from one plant, planted in soil and used to grow new individuals.

A

Cutting

58
Q

Small stems from one plant are
attached to larger stems or roots of
another plant.

A

Budding and Grafting

59
Q

Also called as stolons

A

Runner

60
Q

New plants arise at nodes of above - ground
horizontal stem.

A

Runner

61
Q

New plants arise at nodes
of underground horizontal
rootlike stem.

A

Rhizomes

62
Q

It is often faster than growing plants from seeds.

This method involves a little help from human by using a
piece of plant material.

A

Artificial Propagation Method

63
Q

New plants arise from very short, thickened underground stem with thin, scaly leaves.

A

Corns

64
Q

Type of reproduction in plants from its vegetative parts or
specialized reproductive structures.

A

VEGETATIVE REPRODUCTION

65
Q

Occurs when pollen iS carried from the stamen to the stigma of the same plant.

A

Self Pollination

66
Q

Occurs when pollen is carried to the stigma of another plant.

A

Cross Pollination

67
Q

pollen that grows into the stigma, down the
style and into the ovary.

A

Pollen tube

68
Q

a swollen and ripe ovary which contains one or many
seeds.

A

Fruit

69
Q

a reproductive structure in which a plant embryo and a
food source is contained.

A

Seed

70
Q

a strong tissue that protects and surrounds a
seed.

A
71
Q

male reproductive part

A

Stamen

72
Q

makes pollen grains

A

Anther

73
Q

holds up the anther

A

Filament

74
Q

female reproductive part.

A

Pistil

75
Q

top part of the carpel

A

Stigma

76
Q

joins the stigma and the ovary

A

Style

77
Q

contains the female sex cells

A

Ovary

78
Q

Transfer of pollen grains from the stamen to the stigma
of a flower.

A

Pollination

79
Q

process wherein the seeds together with its
fruit are carried away from the parent plant.

A

Seed Dispersal

80
Q

a process in which a new plant grows from a
seed.

A

Germination

81
Q

tiny plant, which is the youngest stage of plant
growth.

A

Plant Embryo

82
Q

one of the modified leaves.

A

Sepal-

83
Q

one
of the soft, colorful
parts of a flower.

A

Petal-

84
Q

the end part of the
flower stalk upon which the floral
organs are born.

A

receptacle-

85
Q

a stalk bearingS flower

A

Peduncle-

86
Q

Agents of Pollination

A

Wind
• Water
• Bees
• Bats
Birds

87
Q

from seed germination to maturity, involves a
combination of cellular responses and molecular
interaction.

A

Plant growth,

88
Q

Does not involve the fusion of gametes.

A

Asexual

89
Q

Requires only one parent.

A

Asexual

90
Q

Offspring are genetically identical to parents.

A

Asexual

91
Q

Offsprings are clones.

A

Asexual

92
Q

Involves fusion of sex cells to form zygote.

A

Sexual

93
Q

Requires two parents.

A

Sexual

94
Q

Offsprings show variations

A

Sexual

95
Q

Transmission of characteristics.

A

Sexual

Biology 2 (11 decks)

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