PBOT MT EXAM Flashcards
(94 cards)
1
Q
Type of sepals which are fused with each other
A
GAMOSEPALOUS
2
Q
These are group of leaves modified or adapted for reproduction in the angiosperms
A
FLOWERS
3
Q
The outermost whorl of the flower
A
SEPALS
4
Q
They are generally green in color
A
SEPALS
5
Q
Sepals fall just at the time of opening of flower bud
A
CADUCOUS
6
Q
They collectively constitute the calyx
A
SEPALS
7
Q
Types of sepals
A
- POLYSEPALOUS
- GAMOSEPALOUS
8
Q
Type of sepals which are free from each other
A
POLYSEPALOUS
9
Q
Examples of a polysepalous sepals
A
MUSTARD, RADISH
10
Q
Examples of a gamosepalous sepals
A
COTTON, DATURA, BRINJAL
11
Q
They enclose the outer flower parts in the bud
A
SEPALS
12
Q
Duration of sepals
A
- CADUCOUS
- DECIDUOUS
- PERSISTANT
13
Q
Example/s of a flower that has caducous sepals
A
POPPY
14
Q
Sepals fall after pollination
A
DECIDUOUS
15
Q
Highly condensed and modified reproductive shoot
A
FLOWERS
16
Q
Petals constitute the ____
A
COROLLA
17
Q
It functions to facilitate important event of gamete formation and fusion
A
FLOWERS
18
Q
It connects the ovary to the stigma
A
STYLE
19
Q
Types of petals
A
- ASYMMETRICAL
- SYMMETRICAL
- POLYPETALOUS
- GAMOPETALOUS
20
Q
Sepals that do not fall and remain attached to fruit
A
PERSISTANT
21
Q
Example/s of a flower that has a persistant sepals
A
- TOMATO
- CAPSICUM
- COTTON
- DATURA
- BRINJAL
22
Q
It is the enlarged basal part, on which lies the elongated tube
A
OVARY
23
Q
It is the male part of the flower lying inner to the corolla
A
STAMENS
24
Q
What are the grouping of stamens
A
- ANTHER
- FILAMENT
- CONNECTIVE
25
Usually found at the tip of the style and is receptive surface for pollen grains
STIGMA
26
Grouping of stamens is called ____
ANDROECIUM
27
It is the female part of the flower which comprises the central whorl of modified floral leaves
PISTIL
28
Pistil is collectively called the ____
GYNOECIUM
29
Pistil is consisting of ____
- OVARY
- STYLE
- STIGMA
30
They are usually the conspicuous, colored, attractive part of a flower
PETALS
31
Example/s of flowers that has deciduous sepals
MUSTARD
32
It is the enlarged end of the flower stem or stalk
RECEPTACLE
33
The part where the sepals, petals, stamens, and pistil are attached
RECEPTACLE
34
Variations in floral structure
- 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
35
Two types of variation in floral structure based on flower parts present
- COMPLETE FLOWER
- INCOMPLETE FLOWER
36
The calyx, corolla, androecium and gynoecium are present
COMPLETE FLOWER
37
A flower with one of the four whorl missing
INCOMPLETE FLOWER
38
Two types of variation in floral structure based on sexuality of the flower
- PERFECT FLOWER
- IMPERFECT FLOWER
39
Aka bisexual or hermaphroditic flower
PERFECT FLOWER
40
An irregular flower which resembles butterfly
PAPILLIONACEOUS
41
Aka unisexual flower
IMPERFECT FLOWER
42
It is the staminate flower
ANDROECIUM
43
It is the pistillate flower
GYNOECIUM
44
Plant sources based on sexuality of the flower
- MONOECIOUS PLANTS
- DIOECIOUS PLANTS
45
Staminate and pistillate flowers are present on the same plant
MONOECIOUS PLANTS
46
Parts do not radiate from the center and only one line divides the flower into 2 similar halves
ZYGOMORPHIC OR BILATERALLY SYMMATRICAL FLOWER
47
Staminate and pistillate flowers are born on separate plants
DIOECIOUS PLANTS
48
Example/s of dioecious plants
PAPAYA
49
Two types of variation in floral structure based on size and shape of floral parts
- REGULAR FLOWER
- IRREGULAR FLOWER
50
Types of irregular flower
- BILABIATE
- PAPILLIONACEOUS
- CAESALPINACEOUS
- ORCHIDACEOUS
51
An irregular flower which has two lips
BILABIATE
52
Types of variation in floral structure based on symmetry
- ACTINOMORPHIC OR RADIALLY SYMMETRICAL FLOWER
- ZYGOMORPHIC OR BILATERALLY SYMMETRICAL FLOWER
- ASYMMETRICAL
53
Parts radiate from the center and any line drawn from through center of the flower, thus divides the flower into 2 similar halves
ACTINOMORPHIC OR RADIALLY SYMMETRICAL FLOWER
54
When the flower cannot be divided into two equal halves from any plane
ASYMMETRICAL
55
Example/s of monoecious plants
- SQUASH
- CORN
56
Three types of variations in floral structure based on the position of the ovary
- HYPOGENOUS FLOWER
- EPIGYNOUS FLOWER
- PERIGYNOUS CONDITION
57
Ovary is said to be half inferior
PERIGYNOUS CONDITION
58
It is said to be an inferior ovary
EPIGYNOUS FLOWER
59
Petals, sepals, and stamens are situated below the ovary
HYPOGENOUS FLOWER
60
Ovary is said to be superior
HYPOGENOUS FLOWER
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Other parts of flower arises above the ovary
EPIGYNOUS FLOWER
62
Ovary situated on the receptacle above the points of origin of the perianth and the stamens
HYPOGENOUS FLOWER
63
Stamen and perianth are attached above the ovary
EPIGYNOUS FLOWER
64
Gynoecium is situated in the center and other parts of flower are located on the rim of the thalamus almost at the same level
PERIGYNOUS CONDITION
65
Variations in floral structure based on union of the floral parts
- ADNATION
- CONNATION
66
Types of connation
- SYNSEPALOUS
- SYMPETALOUS
- SYNCARPOUS
- SYNANDROUS
67
With fused sepals
SYNSEPALOUS
68
With fused stamens
SYNANDROUS
69
With fused pistils
SYNCARPOUS
70
With fused petals
SYMPETALOUS
71
Variations in floral structure based o number of flower parts
- MONOCOTYLEDONOUS
- DICOTYLEDONOUS
72
Parts are in multiple of 4 or 5
DICOTYLEDONOUS
73
Parts are in multiples of 3
MONOCOTYLEDONOUS
74
Types of inflorescence
- RACEME
- SPIKE
- CATKIN
- CORYMB
- CYME
- UMBEL
- SPADIX
- COMPOSITE FLOWERS
- PANICLE
- FASCICLE
75
Main axis has short branches or pedicels, each of which terminates in a flower
RACEME
76
Example of a raceme plant
GLADIOLUS
77
A branched raceme
PANICLE
78
Example of a panicle plant
RICE
79
Similar to raceme but flowers on the axis are sessile (without pedicel)
SPIKE
80
Example of a spike plant
BOTTLE BRUSH
81
Spike which is hanging or dropping and bearing only staminate or pistillate flowers
CATKIN
82
Short axis and all pedicellate flowers radiate from the apex of the axis
UMBEL
83
A fleshy spike bearing both staminate and pistillate flowers surrounded by a petalloid bract
SPADIX
84
Pedicel are unequal in length but the flowers are on the same lvel
CORYMB
85
Younger flowers at the center have short pedicel, while the outer older flowers are longer
CORYMB
86
Similar to corymb but the inner flowers are older
CYME
87
Example of a cyme plant
SANTAN
88
Pedicelled or sessile flowers are crowded on one side of the stem
FASCICLE
89
They are group of flowers so arranged to give an appearance of a single flower
COMPOSITE FLOWERS
90
The characteristic of grouping of flowers is called the ___
HEAD
91
Example of a spadix plant
ANTHURIUM
92
Example of a composite flower
- SUNFLOWER
- DAISY
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