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plant science > Unit 1 > Flashcards

Unit 1 Flashcards

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Biology 101 flashcards
1
Q

annuals

A

completes after 1 year

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2
Q

biennials

A

completes after 2 years

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3
Q

perennials

A

keeps growing

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4
Q

what does the ovule contain

A

embryo of flowering plant

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5
Q

radicle

A

root

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6
Q

epicotyl

A

extension above the cotyledon

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7
Q

cotyledon

A

essential food supply before the true leaves come in

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8
Q

epigeal

A

brings shell above ground

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9
Q

hypogeal

A

shell stays in ground

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10
Q

fungicide

A

what the seed is covered with to help the growth of fungus

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11
Q

what temp do seeds germinate best at?

A

70-80 F

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12
Q

autotrophic

A

something that survives with carbon dioxide

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13
Q

name taxonomy

A

kingdom, phylum/division, class, order, family, genus, species

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14
Q

imbide

A

take in water

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15
Q

what 4 parts does a flower need to be complete?

A

sepals, petals, stamens, pistils

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16
Q

what makes a flower incomplete?

A

missing either the stamen or pistil

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17
Q

what is the pistil also known as?

A

carpel

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18
Q

what does the zygote become?

A

the seed

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19
Q

what light does a plant need to grow?

A

red and blue light

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20
Q

transpiration

A

water loss through leaves

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21
Q

stomata

A

small opening on underside of leaf

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22
Q

blade

A

main body leaf

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23
Q

petiole

A

attaches blade to stem

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24
Q

midrib

A

central bein down middle of leaf

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25
Q

apex

A

tip of leaf

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26
Q

base

A

bottom of leaf, attaches to petiole

27
Q

margin

A

edge of leaf

28
Q

what if the leaf is brown, crispy on the sides?

A

this can be caused by salt

29
Q

lenticels

A

so gas can move or come out of leaflllllllllllllllllllllllllllllllllll

30
Q

translocate

A

move nutrients from roots to leaves

31
Q

poaceae

A

grass

32
Q

what does a dicot stem look like?

A

a pinwheel

33
Q

turgor

A

pressure that comes out of plant, helps plants stand up

34
Q

what are the roots primary function?

A

respiration, translocate, store food, anchor, give off CO2

35
Q

dehiscent

A

splitting or bursting open

36
Q

indehiscent

A

not splitting opening to release the seeds when ripe

37
Q

angiosperm

A

vascular plants with stems, roots, and leaves

38
Q

what are found in flowers in an angiosperm?

A

seeds

39
Q

gymnosperms

A

seeds found in cones

40
Q

determinate

A

plants that grow to a certian maturity

41
Q

indeterminate

A

grows all season long (not one big collection)

42
Q

inflorsecnce

A

flowering structure

43
Q

plant growth regulation

A

reactions depends on amount of hormone and tissue senstiivty

44
Q

plant growth regulation

A

reactions depends on amount of hormone and tissue sensitivity

45
Q

what are the 5 classes of pgr?

A

auxin, Gibberellins, cytokinin, abscisic, ethylene

46
Q

auxin

A

a group that regulates plant growth and roots

47
Q

gibberellins

A

molecules that regulate seed dormancy

48
Q

cytokinins

A

molecules that regulate cell division and stimulate shoot formation

49
Q

abscisic acid

A

hormone that regulates seed maturation and responses to CHANGE IN WATER

50
Q

ethylene

A

regulates fruit ripening

51
Q

tropisms

A

plant growth toward or away form a stimulus

52
Q

phototropism

A

light source tropisms

53
Q

gravitropism

A

gravitational field tropism

54
Q

thigmotropism

A

directional growth response to contact with object

55
Q

seismonasty

A

a nastic movement result from shaking or contact

56
Q

nyctinasty

A

plant’s response from light or dark

57
Q

totipotent

A

contains gene’s of parents (clone) PROPAGATION

58
Q

tissue culture

A

collection of techniques to grow and maintain a plant

59
Q

what is the order of tissue layers from inner to outer on a tree

A

pith, heartwood, sapwood, vascular cambium

60
Q

Aggregate fruits develop from a single flower with many what

A

ovaries

61
Q

where does cell division occur?

A

in the meristem

62
Q

How many cotyledons does a dicot have?

A

2

63
Q

name 3 types of plant tissue

A

dermal, ground, vascular

64
Q

What color is the radicle?

A

creamy white

plant science (4 decks)

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