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PBOT MT > PBOT MT EXAM > Flashcards

PBOT MT EXAM Flashcards

1
Q

Type of sepals which are fused with each other

A

GAMOSEPALOUS

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2
Q

These are group of leaves modified or adapted for reproduction in the angiosperms

A

FLOWERS

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3
Q

The outermost whorl of the flower

A

SEPALS

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4
Q

They are generally green in color

A

SEPALS

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5
Q

Sepals fall just at the time of opening of flower bud

A

CADUCOUS

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6
Q

They collectively constitute the calyx

A

SEPALS

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7
Q

Types of sepals

A
  • POLYSEPALOUS
  • GAMOSEPALOUS
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8
Q

Type of sepals which are free from each other

A

POLYSEPALOUS

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9
Q

Examples of a polysepalous sepals

A

MUSTARD, RADISH

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10
Q

Examples of a gamosepalous sepals

A

COTTON, DATURA, BRINJAL

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11
Q

They enclose the outer flower parts in the bud

A

SEPALS

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12
Q

Duration of sepals

A
  • CADUCOUS
  • DECIDUOUS
  • PERSISTANT
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13
Q

Example/s of a flower that has caducous sepals

A

POPPY

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14
Q

Sepals fall after pollination

A

DECIDUOUS

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15
Q

Highly condensed and modified reproductive shoot

A

FLOWERS

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16
Q

Petals constitute the ____

A

COROLLA

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17
Q

It functions to facilitate important event of gamete formation and fusion

A

FLOWERS

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18
Q

It connects the ovary to the stigma

A

STYLE

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19
Q

Types of petals

A
  • ASYMMETRICAL
  • SYMMETRICAL
  • POLYPETALOUS
  • GAMOPETALOUS
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20
Q

Sepals that do not fall and remain attached to fruit

A

PERSISTANT

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21
Q

Example/s of a flower that has a persistant sepals

A
  • TOMATO
  • CAPSICUM
  • COTTON
  • DATURA
  • BRINJAL
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22
Q

It is the enlarged basal part, on which lies the elongated tube

A

OVARY

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23
Q

It is the male part of the flower lying inner to the corolla

A

STAMENS

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24
Q

What are the grouping of stamens

A
  • ANTHER
  • FILAMENT
  • CONNECTIVE
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25
Q

Usually found at the tip of the style and is receptive surface for pollen grains

A

STIGMA

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26
Q

Grouping of stamens is called ____

A

ANDROECIUM

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27
Q

It is the female part of the flower which comprises the central whorl of modified floral leaves

A

PISTIL

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28
Q

Pistil is collectively called the ____

A

GYNOECIUM

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29
Q

Pistil is consisting of ____

A
  • OVARY
  • STYLE
  • STIGMA
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30
Q

They are usually the conspicuous, colored, attractive part of a flower

A

PETALS

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31
Q

Example/s of flowers that has deciduous sepals

A

MUSTARD

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32
Q

It is the enlarged end of the flower stem or stalk

A

RECEPTACLE

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33
Q

The part where the sepals, petals, stamens, and pistil are attached

A

RECEPTACLE

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34
Q

Variations in floral structure

A
  • BASED ON FLOWER PARTS PRESENT
  • BASED ON SEXUALITY OF THE FLOWER
  • BASED ON SIZE AND SHAPE OF FLORAL PARTS
  • BASED ON FLORAL SYMMETRY
  • BASED ON THE POSITION OF THE OVARY
  • BASED ON UNION OF THE FLORAL PARTS
  • BASED ON NUMBER OF FLOWER PARTS
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35
Q

Two types of variation in floral structure based on flower parts present

A
  • COMPLETE FLOWER
  • INCOMPLETE FLOWER
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36
Q

The calyx, corolla, androecium and gynoecium are present

A

COMPLETE FLOWER

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37
Q

A flower with one of the four whorl missing

A

INCOMPLETE FLOWER

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38
Q

Two types of variation in floral structure based on sexuality of the flower

A
  • PERFECT FLOWER
  • IMPERFECT FLOWER
39
Q

Aka bisexual or hermaphroditic flower

A

PERFECT FLOWER

40
Q

An irregular flower which resembles butterfly

A

PAPILLIONACEOUS

41
Q

Aka unisexual flower

A

IMPERFECT FLOWER

42
Q

It is the staminate flower

A

ANDROECIUM

43
Q

It is the pistillate flower

A

GYNOECIUM

44
Q

Plant sources based on sexuality of the flower

A
  • MONOECIOUS PLANTS
  • DIOECIOUS PLANTS
45
Q

Staminate and pistillate flowers are present on the same plant

A

MONOECIOUS PLANTS

46
Q

Parts do not radiate from the center and only one line divides the flower into 2 similar halves

A

ZYGOMORPHIC OR BILATERALLY SYMMATRICAL FLOWER

47
Q

Staminate and pistillate flowers are born on separate plants

A

DIOECIOUS PLANTS

48
Q

Example/s of dioecious plants

A

PAPAYA

49
Q

Two types of variation in floral structure based on size and shape of floral parts

A
  • REGULAR FLOWER
  • IRREGULAR FLOWER
50
Q

Types of irregular flower

A
  • BILABIATE
  • PAPILLIONACEOUS
  • CAESALPINACEOUS
  • ORCHIDACEOUS
51
Q

An irregular flower which has two lips

A

BILABIATE

52
Q

Types of variation in floral structure based on symmetry

A
  • ACTINOMORPHIC OR RADIALLY SYMMETRICAL FLOWER
  • ZYGOMORPHIC OR BILATERALLY SYMMETRICAL FLOWER
  • ASYMMETRICAL
53
Q

Parts radiate from the center and any line drawn from through center of the flower, thus divides the flower into 2 similar halves

A

ACTINOMORPHIC OR RADIALLY SYMMETRICAL FLOWER

54
Q

When the flower cannot be divided into two equal halves from any plane

A

ASYMMETRICAL

55
Q

Example/s of monoecious plants

A
  • SQUASH
  • CORN
56
Q

Three types of variations in floral structure based on the position of the ovary

A
  • HYPOGENOUS FLOWER
  • EPIGYNOUS FLOWER
  • PERIGYNOUS CONDITION
57
Q

Ovary is said to be half inferior

A

PERIGYNOUS CONDITION

58
Q

It is said to be an inferior ovary

A

EPIGYNOUS FLOWER

59
Q

Petals, sepals, and stamens are situated below the ovary

A

HYPOGENOUS FLOWER

60
Q

Ovary is said to be superior

A

HYPOGENOUS FLOWER

61
Q

Other parts of flower arises above the ovary

A

EPIGYNOUS FLOWER

62
Q

Ovary situated on the receptacle above the points of origin of the perianth and the stamens

A

HYPOGENOUS FLOWER

63
Q

Stamen and perianth are attached above the ovary

A

EPIGYNOUS FLOWER

64
Q

Gynoecium is situated in the center and other parts of flower are located on the rim of the thalamus almost at the same level

A

PERIGYNOUS CONDITION

65
Q

Variations in floral structure based on union of the floral parts

A
  • ADNATION
  • CONNATION
66
Q

Types of connation

A
  • SYNSEPALOUS
  • SYMPETALOUS
  • SYNCARPOUS
  • SYNANDROUS
67
Q

With fused sepals

A

SYNSEPALOUS

68
Q

With fused stamens

A

SYNANDROUS

69
Q

With fused pistils

A

SYNCARPOUS

70
Q

With fused petals

A

SYMPETALOUS

71
Q

Variations in floral structure based o number of flower parts

A
  • MONOCOTYLEDONOUS
  • DICOTYLEDONOUS
72
Q

Parts are in multiple of 4 or 5

A

DICOTYLEDONOUS

73
Q

Parts are in multiples of 3

A

MONOCOTYLEDONOUS

74
Q

Types of inflorescence

A
  • RACEME
  • SPIKE
  • CATKIN
  • CORYMB
  • CYME
  • UMBEL
  • SPADIX
  • COMPOSITE FLOWERS
  • PANICLE
  • FASCICLE
75
Q

Main axis has short branches or pedicels, each of which terminates in a flower

A

RACEME

76
Q

Example of a raceme plant

A

GLADIOLUS

77
Q

A branched raceme

A

PANICLE

78
Q

Example of a panicle plant

A

RICE

79
Q

Similar to raceme but flowers on the axis are sessile (without pedicel)

A

SPIKE

80
Q

Example of a spike plant

A

BOTTLE BRUSH

81
Q

Spike which is hanging or dropping and bearing only staminate or pistillate flowers

A

CATKIN

82
Q

Short axis and all pedicellate flowers radiate from the apex of the axis

A

UMBEL

83
Q

A fleshy spike bearing both staminate and pistillate flowers surrounded by a petalloid bract

A

SPADIX

84
Q

Pedicel are unequal in length but the flowers are on the same lvel

A

CORYMB

85
Q

Younger flowers at the center have short pedicel, while the outer older flowers are longer

A

CORYMB

86
Q

Similar to corymb but the inner flowers are older

A

CYME

87
Q

Example of a cyme plant

A

SANTAN

88
Q

Pedicelled or sessile flowers are crowded on one side of the stem

A

FASCICLE

89
Q

They are group of flowers so arranged to give an appearance of a single flower

A

COMPOSITE FLOWERS

90
Q

The characteristic of grouping of flowers is called the ___

A

HEAD

91
Q

Example of a spadix plant

A

ANTHURIUM

92
Q

Example of a composite flower

A
  • SUNFLOWER
  • DAISY
93
Q
A
94
Q
A

PBOT MT (6 decks)

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