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Sexual Reproduction In Flowering Plants Flashcards

1
Q

Accessory whorls

A

Calyx and Corolla

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2
Q

Essential

A

Androecium and gynoecium

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3
Q

Father of plant embryology

A

CF Wolf

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4
Q

Father of Indian embryology

A

P Maheswari

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5
Q

Embryo formed by meiosis and fertilization

A

Amphimixis

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6
Q

Middle layer is made up of

A

Parenchymatous cell

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7
Q

Pollen kit is made of

A

Lipids and carotenoids

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8
Q

In endothelium callose is absent at some places called

A

Stomium

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9
Q

Hay fever

A

Pollens of ambrosi

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10
Q

Smallest pollen grain

A

Myosotis

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11
Q

Largest pollen grain

A

Mirabilis

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12
Q

Longest pollen grain

A

Zostera

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13
Q

Largest egg,ovule and male gamete is present in

A

Cycas

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14
Q

Radius of pollen grain

A

25-50microm

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15
Q

Fascinating array of patterns and designs

A

Exine

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16
Q

Intine characters

A

Thin and continues, made up of cellulose and pectin

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17
Q

Vegetative cell

A

Large and irregular nucleus , food reserve

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18
Q

Generative cell

A

Small and spindle shaped, dense cytoplasm

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19
Q

2 celled stage

A

60%

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20
Q

Pollen allergy

A

Parthenium or carrot gras

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21
Q

Longest pollen tube

A

Sea mays

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22
Q

Liquid nitrogen -196C

A

Cryopreservation

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23
Q

Pollen viability in cereals

A

30 mins

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24
Q

Pollen viability in rosaceae, leguminaceace, solanaceae

A

Months

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25
Q

Ovarian cavity

A

Locule

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26
Q

1 ovule

A

Wheat, paddy , mango

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27
Q

Many ovary

A

Papaya, watermelon , orchids

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28
Q

Erect ovule

A

Orthotropous

29
Q

Inverted ovule

A

Anatropous and common

30
Q

Both ovule and embryo sac are curved

A

Amphitropous

31
Q

Ovule curved and embryo sac straight

A

Campylotropous

32
Q

Right angled ovule

A

Hemitropous

33
Q

360 ovule

A

Circinotropous

34
Q

Papaver

A

Multicarpellary and syncarpous

35
Q

Multicarpellary and apocarpous

36
Q

Embryo sac

A

7 celled 8 uncleated

37
Q

Both cleistogamous and chasmogamous

A

Viola ( common pansy), commelina, oxalis

38
Q

Water pollinated fresh water

A

Vallisneria and hydrilla

39
Q

Water pollination marine water

A

Zostera ( ribbon shaped pollen), mucilaginous covering, both submerged

40
Q

Water hyacinth and water Lily pollination

A

Insect or wind

41
Q

Bird pollinator

A

Sun bird and humming bird

42
Q

Reptile pollinators

A

Geka and garden lizard

43
Q

Fly and beetle

A

Foul odour

44
Q

Tallest flower

A

Amorphophallus ( 6 feet)

45
Q

Moth and yucca

A

Pollination symbiosis

46
Q

Monoecious plant

A

Castor, maize, pea, pinus, maize, chara, coconut, cucurbits

47
Q

Dioceous

A

Papaya, date plan, mustard, cycas, marchantia

48
Q

Stages of embryo

A

Zygote - pro embryo- globular embryo- heart embryo - mature

49
Q

Grass family cotyledon

50
Q

Non albuminous

A

Pea, bean, groundnut

51
Q

Ex albuminous

A

Castor, coconut, wheat, maize, barley

52
Q

Remnant nucellus

A

Perisperm, beet and black pepper

53
Q

Dormancy, seed becomes relatively dry by

54
Q

False fruit

A

Strawberry, cashew, apple

55
Q

Parthenocarpic

56
Q

Oldest seed (10,000yrs)

A

Lupine articus

57
Q

Oldest seed (2000yrs)

A

Phoenix dactyliferous, king herods

58
Q

Large no of seeds

A

Orchid, (orobranche, strings) - parasitic plants , ficus

59
Q

Apomixis

A

Asteraceae, grasses, ( citrus and mango)

60
Q

Corn cob - tassels

A

Stigma and style

61
Q

Water pollination

A

30 genera and monocotyledons

62
Q

Animal pollination

63
Q

Snail pollination

A

Malacophily

64
Q

Man pollination

A

Anthropophily

65
Q

Bat pollination

A

Chiropterophily

66
Q

Ant pollination

A

Myrmicophily

67
Q

Snake pollination

A

Ophiophily

68
Q

Insect pollination

A

Entamophily

Bio (12 decks)

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