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Botany > Morphology of Flowering Plants > Flashcards

Morphology of Flowering Plants Flashcards

1
Q

Leaf originate from?

A

Apical bud, in acropetal fashion

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2
Q

Tap root va fibrous root

A

Tap root has 1 major root from where other secondary and tertiary roots arise, it’s found in dicots.

Fibrous root first has short lived primary root which degenerates to form many fibers from base of stem in monocots.

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3
Q

Adventitious root

A

Root arising form any part other than radicle.
Eg:- banyan tree, monstera, some grasses, asparagus(for storage) and sweet potato(storage).

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4
Q

Route modification for food storage

A

Tap roots like carrot, turnip and adventitious roots like sweet potato and asparagus

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5
Q

Root modification for support

A

Prop root of banyan, stilt root of sugarcane and maize.

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6
Q

Root modification for respiration

A

Pneumatophore of rhizophora

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7
Q

Regions of root

A

Region of maturation(most proximal/closest)
Maximum size, cw complete, has root hair

Region of elongation
Long length, more vacuole

Region of meristematic activity
Continuous division, small cells, dense protoplasm, large nucleus, thin cw, abundant plasmodesmatal connections

Root cap(most distal/distant)
Thimble like for protecting root

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8
Q

Underground stem for food storage

A

Ginger, potato, turmeric, Colocasia and zaminkand.

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9
Q

Perennation

A

Atem modification that helps plant to grow for multiple seasons in oxalis.

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10
Q

Stem tendrils

A

Formed by axillary bud for support
In guards:- cucumber, pumpkin, bottleguard and gravevines.

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11
Q

Thorn

A

Stem modification
In bougainvillea and citrus

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12
Q

Photosynthetic stem

A

Opuntia/cactus(flat photosynthetic stem called phylloclade)
Euphorbia(cylindrical stem)

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13
Q

Runner

A

Stem modification in grass, oxalis and strawberry.(GrOSs)

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14
Q

Stolon

A

In mint and jasmine
(MJ style)

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15
Q

Offset

A

In pistia and eichhornia
(Ei!, Piss off)

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16
Q

Sucker

A

In pineapple, chrysanthemum and banana
(PCB)

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17
Q

Lead venations

A

Paraller in monocots and reticulate in dicots

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18
Q

Pinnate leaf

A

Feather like, midrib becomes rachis.
In neem

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19
Q

Palmate leaves

A

Palm like in cotton, silk

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20
Q

Alternate phyllotaxy

A

Mustard, sunflower and china rose
(M.Sc. is an alternate option)

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21
Q

Opposite

A

In calotropis and guava
(C and G are opposite in dna)

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22
Q

Whorled

A

Alstonia
(Whorl- whArL)

23
Q

Leaf tendrils

A

Pea

24
Q

Leaf spines

A

Cactus

25
Q

Modification of leaf for food storage

A

Onion and garlic

26
Q

Phyllode vs phylloclade

A

Phyllode= flatened petiole(part that attaches leaf to mother axis) for photosynthesis in Australian acacia

Phylloclade= flatened stem of cactus for photosynthesis.

27
Q

Racemose

A

Acropetal succession- infinite growth
In fabaceae

28
Q

Cymose

A

Basipetal succession- limited growth
In liliaceae

29
Q

Actinomorphic

A

MCD
Mustard, china rose, dhatura

30
Q

Zygomorphic

A

PG College Band
Pea
Gulmohar
Cassia
Bean

31
Q

Assymetrical

A

Canna (one eyed person)

32
Q

Trimerous

A

In monocots like liliaceae and poaceae(grasses)

33
Q

Tetramerous

A

In dicots like brassicaceae(mustard family)

34
Q

Pentamerous

A

In dicots like solanaceae and fabaceae

35
Q

Hypogynous

A

Superior ovary (G above line)
In MCB
Mustard, china rose, brinjal

36
Q

Perigynous

A

Half inferior ovary (G-)
In RPP
Rose, peach and plum

37
Q

Epigynous

A

Inferior ovary(G below line)
In CSG
Cucumber, sunflower(ray florets) and guava.

38
Q

Valvate

A

No overlapping
Calotropis
(CoNVo)

39
Q

Twisted

A

Regular overlapping
In CLC- chinarose, ladyfinger and cotton.

40
Q

Imbricate

A

Irregular overlapping
In Gulmohar and Cassia (CGI)

41
Q

Vaxillary

A

Aka paplionaceous(pea and bean family)
1 standard, 2 wings and 2 keel in pea and bean.

42
Q

Epipetalous

A

Solanaceae(brinjal)

43
Q

Epitepalous

A

Liliaceae

44
Q

Apocarpus

A

Free carpel
In lotus and rose (LARry)

45
Q

Syncarpous

A

Fused carpel
In mustard and tomato (TySM)

46
Q

Marginal

A

Pea (MP)

47
Q

Axile

A

TLC
Tomato, lemon and chinarose

48
Q

Parietal

A

MAP
Mustard and argemone

49
Q

Replum

A

False septum present in parietal placentation to divide chamber into 2

50
Q

Free central

A

Dianthus, primrose (Free DiP)

51
Q

Basal

A

Sunflower and marigold (MBBS)

52
Q

Drupe

A

Monocarpellary superior ovary im mango and coconut.

53
Q

Plumule and radicle covering in monocots

A

Coleorrhiza- radicle
Coleoptile- plumule

Botany (5 decks)

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