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WorksheetsMorphology of Flowering Plant IV (Flower)
Total questions: 120
Worksheet time: 3600secs
Flower is a modified?
Shoot
Root
Calyx
Leaves
A flower is a modified shoot wherein the shoot apical meristem changes to
Axial Meristem
Nodular Meristem
Floral Meristem
Nodal Meristem
In floral meristem __________ do not elongate
Nodes
Internodes
Stipule
Pedicle
The axis gets _________ in the floral part
Compressed
Elongated
Oblongated
Condensed
The ____________ produces different kinds of floral appendages laterally at successive nodes
Apical
Axis
Meristem
None of the Above
When a shoot tip transforms into a flower, it is always
Sedentary
Plural
Solitary
Dormant
The arrangement of flowers on the floral axis is termed as
Florotaxy
Phyllotaxy
Inflorescence
Phosphorescence
Inflorescence depends on whether the ____ gets developed into a flower or _________ to grow
Continues; Apex
Apex; Continues
Axil; Halts
Axil; Continues
There are how many major types of inflorescence?
Two
Three
Four
Five
In __________ type of inflorescences the main axis continues to grow, the flowers are borne laterally in an acropetal succession
Axial
Racemose
Cymose
Capitulum
In __________ type of inflorescence the main axis terminates in a flower, hence is limited in growth.The flowers are borne in a basipetal order
Racemose
Cymose
Spheranose
Catkin
In angiosperms the unit of sexual reproduction is ?
Stem
Root
Flower
Bract
A typical flower has how many different kinds of whorls?
Two
Three
Four
Five
The swollen end of the stalk or pedicel of a flower is called as
Thalamus
Receptacle
Both "A" and "B"
None of the Above
Which one of the following are floral whorls?
Roots; Stamen; Carpel; Calyx
Stamen; Carpel; Calyx; Corolla
Androecium; Gynoecium; Sepals; Petals
Both "B" and "C"
Which of the following floral parts are accessory in nature ?
Calyx; Corolla
Sepals; Petals
Both "A" and "B"
None of the Above
Which of the following are essential parts of floral whorl?
Androecium; Carpel
Gynoecium; Stamen
Stamen; Gynoceium
All of the Above
When the calyx or corolla are not distinct they are termed as ?
Perianth
Tepals
Both "A" and "B"
None of the Above
When a flower has Both androecium and gynoecium it is called as
Bisexual
Unisexual
Trisexual
Hetrosexual
A flower having either androecium or gynoecium is called as?
Bisexual
Unisexual
Hetrosexual
Hermaphrodite
Depending on symmetry of flower how many types exist ?
Two
Three
Four
Five
When a flower can be divided into two equal radial halves in any radial plane passing through the centre, it is said to be
Actinomorphic
Radially symmetrical
Zygomorphic
Both "A" and "B"
Which of the following plants is an example of actinomorphic radial symmetry
All of The Above
When a flower can be divided into two similar halves only in one particular vertical plane, it is called as
Actinomorphic
Zygomorphic
Bilaterally Symmetrical
Both "B" and "C"
Pea plant is an example of which type of floral symmetry
Actinomorphic
Bilateral
Zygomorphic
Both "B" and "C"
Gulmohar flower is having which type of floral symmetry?
Actinomorphic
Radial
Zygomorphic
Heteromorphic
Bean plant has which kind of flower symmetry ?
Asymmetric
Radial
Bilateral
Actinomorphic
Cassia is an example of which floral whorl symmetry
Actinomorphic
Zygomorphic
Radial
Asymmetric
A flower is _______________ if it cannot be divided into two similar halves by any vertical plane passing through the centre
Asymmetric
Irregular
Similar
Both "A" and "B"
A-Actinomorphic; B-Radial
A-Radial; B-Zygomorphic
A-Actinomorphic; B-Irregualr
A-Zygomorphic; B-Bilaterl
When floral appendages are three it is known as?
Trimerous
Triceratops
Tricosane
Trichomerous
When the floral appendages are four in count they are known as?
Tetracosane
Tetrapack
Tetraops
Tetramerous
Pentamerous flowers have how many appendages?
Six
Seven
Five
Ten
A-Hexamerous; B-Pentamerous
A-Trimerous; B-Pentamerous
A-Tetramerous; B-Pentamerous
A-Tetracoccus; B-Pentacoccus
A modified leaf or scale, typically small, with a flower or flower cluster in its axil
Bracts
Stipule
Pedicle
Petiole
Flowers without bracts are known as
Exbracteate
Imbracteate
Ebractemate
Embracteate
In the __________________ flower the gynoecium occupies the highest position while the other parts are situated below it, the ovary in such flowers is said to be superior
Epigynous
Endogynous
Hypogynous
Perigynous
If gynoecium is situated in the centre and other parts of the flower are located on the rim of the thalamus almost at the same level, it is called
Hypogynous
Perigynous
Epigynous
Endogynous
In ______________ flowers, the margin of thalamus grows upward enclosing the ovary completely and getting fused with it, the other parts of flower arise above the ovary
Epigynous
Perigynous
Hypogynous
Endogamous
A-Perigynous; B-Hypogynous; C-Epigynous
A-Epigynous; B-Perigynous; C-Hypogynous
A-Hypogynous; B-Perigynous; C-Epigynous
A-Hypogynous; B-Epigynous; C-Perigynous
Which of the following have a hypogynous ovary position?
All of the Above
Which of the following have perigynous ovary?
All of the Above
Which of these plants have a epigynous position of the ovary?
All of the Above
The ___________ is the outermost whorl of the flower and the members are called __________
Calyx; Corolla
Calyx; Sepals
Sepals; Calyx
Calyx; Petals
Generally, sepals are _________ leaf like and protect the flower in the ___ stage
Green; Bud
Yellow; Growth
Green; Growth
Purple; Bud
When the sepals are united the calyx is termed as ?
Adunarsepalous
Amalgosepalous
Gamosepalous
Fusosepalous
How many major types exist of calyx depending on their union or solitary form ?
Two
Three
Four
Seven
When the sepals are free the calyx is termed as ?
Unisepalous
Solisepalous
Polysepalous
Fissosepalous
Together, all of the petals of a flower are called
Sepal
Corolla
Corona
Campulate
Petals are modified ____________ that surround the reproductive parts of flowers. They are often __________ or unusually shaped to attract __________
Stem; Dark; Humans
Leaves; Dull coloured; Bees
Leaves; Brightly Coloured; Pollinators
Leaves; Brightly Coloured; Butterflies
When the petals are united they are termed as
Gamosepalous
Gamopetalous
Gamocorollous
Gamogamous
When the petals are free they are termed as ?
Polysepalous
Polygamous
Polypetro
Polypetalous
The mode of arrangement of sepals or petals in floral bud is known as
Hibernation
Aestivation
Torpor
None of the Above
The main types of aestivation are
Four
Five
Three
Six
When sepals or petals in a whorl just touch one another at the margin, without overlapping
Valvate
Twisted
Imbricate
Vexillary
If one margin of the (petal/sepal) appendage overlaps that of the next one
Valvate
Twisted
Imbricate
Vexillary
If the margins of sepals or petals overlap one another but not in any particular direction
Valvate
Twisted
Imbricate
Vexillary
Aestivation in which the largest (standard) overlaps the two lateral petals (wings) which in turn overlap the two smallest anterior petals (keel)
Valvate
Twisted
Imbricate
Vexillary
A-Valvate; B-Twisted; C-Imbricate; D-Quincuncial; E-Vexillary
A-Valvate; B-Imbricate; C-Twisted; D-Quincuncial; E-Vexillary
A-Valvate: B-Twisted; C-Quincuncial; D-Imbricate; E-Vexillary
A-Valvate; B-Vexillary; C-Imbricate; D-Twisted; E-Quincuncial
Calotropis has which aestivation
Valvate
Vexillary
Imbricate
Twisted
China rose has which floral arrangement ?
Twisted
Vexillary
Valvate
Imbricate
Okra (Lady finger) has which type of aestivation ?
Vexillary
Valvate
Imbricate
Twisted
Cotton plant has which kind of floral appendicular arrangement ?
Valvate
Imbricate
Twisted
Vexillary
Cassia species of plant have which type of aestivation ?
Twisted
Axillary
Imbricate
Vexillary
Gulmohar plant has which floral appendage ?
Imbricate
Vexiallty
Vexillary
Twisted
Pisum sativum has which type of aestivation ?
Vexillary
Valvate
Imbricate
Twisted
Bean flowers have an aestivation
Twisted
Imbricate
Vexillary
Valvate
Vexillary aestivation is also known as
Papua new guinea
Papilionaceous
Valvate
Vexicum
Androecium is the
Female Reproductive Part of a flower
Male Reproductive Part of a flower
Female Reproductive Part of a stem
Male Reproductive Part of a stem
Androecium is also known as
Carpel
Pistil
Male
Stamen
Each stamen consists of ?
Filament; Anther
Carpel; Anther
Stigma; Anther
Style; Anther
Anther is usually ______ and each ____ has ____ chambers, known as the ________
Trilobed; Lobe; Sac
Bilobed; Lobe; Pollen-sac
Spherical; Sphere; Spherosome
Bilobed; Lobular; Pollen
The ________________ are produced in pollen-sacs
Polls
Pollen
Pullen
Putin
A staminode is
Strong Stamen
Weak Stamen
Fertilised Stamen
Sterile Stamen
When the stamens are fused to the petals they are known as
Epiphyllous
Epipetalous
Epipetal
Epigynous
When the stamens are fused to perianth they are known as
Epiphyllous
Epigynous
Epipetalous
Epidermis
Gynoecium is
Male Reproductive part of Flower
Female Reproductive part of Flower
Female Reproductive part of Carpel
Female Reproductive part of Ovary
A single female reproductive part is known as
Carpel
Stigma
Style
Ovary
A carpel consists of how many parts
Two
Three
Four
Five
Carpel is also known as
Pistol
Pistal
Pistil
Pista
Carpel is made up of
Stigma; Style; Ovary
Stigma; Stamen; Filament
Stigma; Filament; Ovary
Stigma; Style; Anther
______ is the enlarged basal part, on which lies the elongated tube, the style
Stigma
Filament
Ovary
Anther
The ___________ connects the ovary to the _________
Style; Stigma
Stigma; Style
Filament; Stigma
Filament; Style
The _________ is usually at the tip of the _______ and is the receptive surface for pollen grains
Style; Stigma
Style; Ovary
Stigma; Style
Stigma; Ovary
Each ovary bears one or more __________
Pollen Grains
Placenta
Ovules
Stigma
Each ovary bears one or more ovules attached to a flattened, cushion-like __________
Pollen
Placenta
Sacs
Ovule
When more than one carpel is present, they may be free and are called _____________
Syncarpous
Apocarpous
Mesocarpous
Epicarpous
When carpels are fused they are known as
Apocarpous
Gamocarpous
Fusocarpous
Syncarpous
Brinjal is an
Epipetalous
Epigynous
Epiphyllous
Epidermous
Lilly plant has a _______ type of stamen
Epipetalous
Epiphyllous
Epigynous
Epidermis
When the stamens in a flower are free they are termed as?
Monoandrous
Uniandrous
Polyandrous
Polypedalous
When the stamens are united they into a single bunch they are termed as
Monoandrous
Monoadelphous
Polyadelphous
Polyandrous
When the stamens are united into two separate bunches (bundles) they are termed as
Diandrous
Didelphous
Diadelphous
Delphinus
When the stamens are separated into more than two bundles or bunches they are termed as/known as
Polystamen
Polyandrous
Polyadelphous
Polypetalous
Monocarpous
Apocarpous
Polycarpous
Syncarpous
Monocarpous
Apocarpous
Polycarpous
Syncarpous
Monocarpous
Apocarpous
Polycarpous
Syncarpous
Apocarpous
Syncarpous
Polycarpous
Monocarpous
After fertilisation, the ______ develop into seeds and the _______ matures into a fruit.
Ovules; Ovary
Ovary; Ovules
Endosperm; Seed
Ovules; Endosperm
The arrangement of ovules within the ovary is known
as
Phyllotaxy
Inflorescence
Placentation
Aestivation
How many types of placentation exist?
Two
Four
Six
Five
In _________ placentation the placenta forms a ridge along the ventral suture of the ovary and the ovules are borne on this ridge forming two rows
Marginal
Axial
Parietal
Free central
When the placenta is axial and the ovules are attached to it in a multilocular ovary, the placentaion is said to be
Marginal
Basal
Free Central
Axile
In ________ placentation, the ovules develop on the inner wall of the ovary or on peripheral part. Ovary is one-chambered but it becomes two- chambered due to the formation of the false septum
Parietal
Axile
Marginal
Basal
When the ovules are borne on central axis and septa are absent it is known as ____________ placentation
Free central
Basal
Marginal
Axile
In _______ placentation, the placenta develops at the base of ovary and a single ovule is attached to it
Basal
Marginal
Axile
Free central
Marginal
Central
Basal
Axile
Axile
Free
Basal
Marginal
Basal
Axile
Free Central
Marginal
Free Central
Basal
Marginal
Axile
Basal
Free Central
Axile
Parietal
Marginal
Axile
Parietal
Basal
Marginal
Free Central
Basal
Axile
Marginal
Axile
Parietal
Basal
Marginal
Axile
Parietal
Free Central
Marginal
Axile
Parietal
Basal
There may be a variation in the length of filaments within a flower such as
Both "A" and "B"
