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biology class xi > morphology of flowering plants > Flashcards

morphology of flowering plants Flashcards

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1
Q

dicot plants

A

tap root; mustard

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2
Q

monocot plants

A

fibrous roots, wheat (originates from base of stem)

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3
Q

adventitious roots

A

roots from parts of the plant other than radicle (grass, monstera, banyan tree)

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4
Q

region of meristematic activity

A

very small cells, thin walled with dense cytoplasm

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5
Q

modifications of root for support

A

prop roots in banyan
stilt roots in maize, sugarcane (lower nodes of stem)

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6
Q

storage of food

A

tap roots
carrots
turnip

adventitious roots
sweet potato
asparagus

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7
Q

respiration

A

pneumatophores in rhizophora

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8
Q

underground stems (organs of perennation)

A

potato
ginger
turmeric
zaminkand
colocasia

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9
Q

stem tendrils

A

gourds- cucumber, pumpkin, watermelon
grapevine

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10
Q

thorns

A

citrus
bougainvillea

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11
Q

opuntia

A

flattened stems

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12
Q

euphorbia

A

cylindrical fleshy stems

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13
Q

underground stems of grass strawberry

A

spread to new niches

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14
Q

mint
jasmine

A

laterally above ground and then touch the ground

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15
Q

pistia
eichhornia

A

water runners

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16
Q

banana
pineapple
chrysanthemum

A

underground lateral propagation

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17
Q

pulvinus

A

leguminous plants

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18
Q

reticulate venation

A

dicots

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19
Q

parallel venation

A

monocots

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20
Q

pinnately compound leaf

A

rachis
neem

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21
Q

palmately compound leaf

A

silk cotton

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22
Q

alternate phyllotaxy

A

china rose
mustard
sunflower

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23
Q

opposite phyllotaxy

A

calotropis
guava

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24
Q

whorled phyllotaxy

A

alstonia

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25
Q

modifications of leaves
tendrils

A

peas

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26
Q

spines

A

cactus

27
Q

food storage

A

onion
garlic

28
Q

Australian acacia

A

short lived leaves
petioles synthesize food

29
Q

insectivourous plants

A

pitcher plant
venus fly trap

30
Q

racemose inflorescence

A

acropetal succession (base to apex)

31
Q

cymose

A

basipetal succession (apex to base)

32
Q

perianth

A

petals and sepals not distinct
lily

33
Q

actinomorphic (radial)

A

mustard
datura
chilli

34
Q

zygomorphic (bilateral)

A

pea
gulmohur
bean
cassia

35
Q

asymmetric

A

canna

36
Q

hypogynous flower

A

superior ovary

mustard
china rose
brinjal

37
Q

perigynous flower

A

half inferior ovary

plum
rose
peach

38
Q

epigynous flower

A

inferior ovary

guava
cucumber
ray florets of sunflower

39
Q

valvate aestivation

A

calotropis

40
Q

twisted aestivation

A

china rose
lady’s finger
cotton

41
Q

imbricate aestivation

A

cassia
gulmohur

42
Q

vexillary/papilionaceous aestivation

A

pea
bean

43
Q

sterile stamen

A

staminode

44
Q

epipetalous

A

stamen fused with petals
brinjal

45
Q

epiphyllous/epitepalous

A

stamen fused with perianth
lily

46
Q

monoadelphous stamen

A

china rose

47
Q

diadelphous stamen

A

pea

48
Q

polyadelphous stamen

A

citrus

49
Q

variation in length of filaments

A

salvia
mustard

50
Q

apocarpous carpels

A

free
lotus
rose

51
Q

syncarpous carpels

A

fused
mustard
tomato

52
Q

marginal placentation

A

pea

53
Q

axile placentation

A

china rose
tomato
lemon

54
Q

pareital placentation

A

one chambered but two due to formation of false septum

mustard
argemone

55
Q

free central placentation

A

dianthus
primrose

56
Q

basal placentation

A

sunflower
marigold

57
Q

pericarp

A

epicarp
mesocarp
endocarp

58
Q

drupe

A

mango
coconut

monocarpellary superior ovaries

59
Q

dicot seed

A

seed coat (testa-outer ; tegmen-inner)
hilum
micropyle
castor (endosperm)
bean, pea, gram (non endospermous)

60
Q

monocot seed

A

endospermous except orchids
proteinous aleurone layer
shield shaped scutellum
plumule coleoptile
radicle coleorhiza

61
Q

brassicaceae

A

mustard
+ bisexual K2+2 C4 A2+4 Ģ(2)

62
Q

fabaceae

A

papilionoideae from family leguminosae
non endospermous seeds

% bisexual K(5) C1+2+(2) A(9)+1 Ģ1

pulses: gram, arhar, sem, moong, soyabean
edible oil: soyabean, ground nut
dye: indigofera
fibres: sun hemp
fodder: sesbania, trifolium
ornamentals: lupin, sweet pea
medicine: muliathi

63
Q

solanaceae

A

endospermous seeds
potato family

+ bisexual K(5) C(5)A5 Ģ(2)

food: tomato, brinjal, potato
spice: chilli
medicine: belladonna, ashwagandha
fumigatory: tobacco
ornamentals: petunia
solanum nigrum (makoi)

64
Q

liliaceae

A

lily family
monocotyledonous plants
endospermous seeds

Br + bisexual P(3+3)A(3+3) Ģ(3)

ornamentals: tulip, gloriosa
medicine: aloe
vegetables: asparagus
colchicine: colchicum autumnale
onion (allium cepa)

biology class xi (4 decks)

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