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Digestive System > Botany Introduction > Flashcards

Botany Introduction Flashcards

1
Q

Life Cycle of Plants

A

Heteromorphic Alternation of Generation

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2
Q

Major characteristics of plants

A 
Multicellular
Photosynthetic/autotrophic
embryophytes
asexual and sexual reproduction
exhibits life cycle
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3
Q

fertilization wherein one size is bigger

A

oogamy

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4
Q

fertilization wherein gametes have same size; usually in lower life forms

A

isogamy

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5
Q

aids sperm cell in swimming

A

wind or water

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6
Q

2 major groups of plants

A

vascular and non-vascular

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7
Q

for water conduction

A

xylem

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8
Q

for food conduction

A

phloem

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9
Q

functions of roots

A

storage
anchorage
production of hormones

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10
Q

2 types of root system

A

tap root and fibrous or diffuse

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11
Q

protects the root tip

A

root cap

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12
Q

root cap type of tropism

A

positive geotropism

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13
Q

photosynthetic organ

A

leaf

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14
Q

leaf stalk

A

petiole

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15
Q

pores in the stem where gaseous exchange take place

A

lenticels

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16
Q

part of the stem that divides to increase the length

A

apical meristem

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17
Q

point of attachemnt in the stem

A

node

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18
Q

between nodes

A

internode

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19
Q

covering of stem

A

bark

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20
Q

forms when leaves are detached

A

scars

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21
Q

found inside the bark

A

wood

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22
Q

immature organs in the wood

A

buds

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23
Q

part of the wood: outer and lighter

A

sapwood

24
Q

part of the wood: inner and darker

A

heartwood

25
Q

represent amount of wood produced in one year

A

annual rings or growth rings

26
Q

part of the flower that holds all the floral parts

A

receptacle or torus

27
Q

stalk of flower

A

peduncle

28
Q

contains pollen (part of a flower)

A

anther

29
Q

group of petals

A

corolla

30
Q

group of sepals

A

calyx

31
Q

contains ovule

A

ovary

32
Q

baby or immature seeds in the ovary

A

ovule

33
Q

elevates the stigma to catch pollen

A

style

34
Q

sticky flattened part, at the tip of the style

A

stigma

35
Q

vegetative organs

A

leaf and stems

36
Q

reproductive organs

A

flowers OR fruits

37
Q

mixed buds

A

flowers and leaves

38
Q

mature or ripened ovary

A

fruit

39
Q

mature or ripened ovules

A

seeds

40
Q

2 axes of the seed

A

epicotyl and hypocotyl

41
Q

axis of the seed that gives rise to shoot system

A

epicotyl

42
Q

axis of the seed that gives rise to root system

A

hypocotyl

43
Q

products of double fertilization

A

triploid endosperm; diploid zygote

44
Q

1 sperm + 2 polar nuclei

A

endosperm 3N

45
Q

1 sperm + egg cell

A

zygote 2N

45
Q

Fusion of gametes

A

Syngamy

46
Q

Known as Bryophytes

A

Mosses
Liverworts
Hornworts

47
Q

Known as fern allies

A

Whiskferns
Clubmosses
Horsetail
Ferns

48
Q

Gymnosperms

A

Cycads
Ginkgoes
Gnetophytes
Pines

49
Q

Part of the root tip that increase absorptive capacity

A

Root hair

50
Q

Protects the root tip

Positive geotropism

A

Root cap

51
Q

Zones of the root tip

A

Maturation
Elongation
Division

52
Q

Root system best for absorption

A

Fibrous or diffuse

53
Q

Tongue like outgrowth between stem and petiole

A

Stipule

54
Q

Hair like in the stem and leaf sheath

A

Ligules

55
Q

Connects the leaf to the stem (parallel venation)

A

Leaf sheath

56
Q

Petals + sepals

A

Perianth

Digestive System (10 decks)

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