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Morphology of Flowering Plant IV (Flower)

Total questions: 120

Worksheet time: 3600secs

Name
Class
Date
1.

Flower is a modified?

a)

Shoot

b)

Root

c)

Calyx

d)

Leaves

2.

A flower is a modified shoot wherein the shoot apical meristem changes to

a)

Axial Meristem

b)

Nodular Meristem

c)

Floral Meristem

d)

Nodal Meristem

3.

In floral meristem __________ do not elongate

a)

Nodes

b)

Internodes

c)

Stipule

d)

Pedicle

4.

The axis gets _________ in the floral part

a)

Compressed

b)

Elongated

c)

Oblongated

d)

Condensed

5.

The ____________ produces different kinds of floral appendages laterally at successive nodes

a)

Apical

b)

Axis

c)

Meristem

d)

None of the Above

6.

When a shoot tip transforms into a flower, it is always

a)

Sedentary

b)

Plural

c)

Solitary

d)

Dormant

7.

The arrangement of flowers on the floral axis is termed as

a)

Florotaxy

b)

Phyllotaxy

c)

Inflorescence

d)

Phosphorescence

8.

Inflorescence depends on whether the ____ gets developed into a flower or _________ to grow

a)

Continues; Apex

b)

Apex; Continues

c)

Axil; Halts

d)

Axil; Continues

9.

There are how many major types of inflorescence?

a)

Two

b)

Three

c)

Four

d)

Five

10.

In __________ type of inflorescences the main axis continues to grow, the flowers are borne laterally in an acropetal succession

a)

Axial

b)

Racemose

c)

Cymose

d)

Capitulum

11.

In __________ type of inflorescence the main axis terminates in a flower, hence is limited in growth.The flowers are borne in a basipetal order

a)

Racemose

b)

Cymose

c)

Spheranose

d)

Catkin

12.

In angiosperms the unit of sexual reproduction is ?

a)

Stem

b)

Root

c)

Flower

d)

Bract

13.

A typical flower has how many different kinds of whorls?

a)

Two

b)

Three

c)

Four

d)

Five

14.

The swollen end of the stalk or pedicel of a flower is called as

a)

Thalamus

b)

Receptacle

c)

Both "A" and "B"

d)

None of the Above

15.

Which one of the following are floral whorls?

a)

Roots; Stamen; Carpel; Calyx

b)

Stamen; Carpel; Calyx; Corolla

c)

Androecium; Gynoecium; Sepals; Petals

d)

Both "B" and "C"

16.

Which of the following floral parts are accessory in nature ?

a)

Calyx; Corolla

b)

Sepals; Petals

c)

Both "A" and "B"

d)

None of the Above

17.

Which of the following are essential parts of floral whorl?

a)

Androecium; Carpel

b)

Gynoecium; Stamen

c)

Stamen; Gynoceium

d)

All of the Above

18.

When the calyx or corolla are not distinct they are termed as ?

a)

Perianth

b)

Tepals

c)

Both "A" and "B"

d)

None of the Above

19.

When a flower has Both androecium and gynoecium it is called as

a)

Bisexual

b)

Unisexual

c)

Trisexual

d)

Hetrosexual

20.

A flower having either androecium or gynoecium is called as?

a)

Bisexual

b)

Unisexual

c)

Hetrosexual

d)

Hermaphrodite

21.

Depending on symmetry of flower how many types exist ?

a)

Two

b)

Three

c)

Four

d)

Five

22.

When a flower can be divided into two equal radial halves in any radial plane passing through the centre, it is said to be

a)

Actinomorphic

b)

Radially symmetrical

c)

Zygomorphic

d)

Both "A" and "B"

23.

Which of the following plants is an example of actinomorphic radial symmetry

a)
b)
c)
d)

All of The Above

24.

When a flower can be divided into two similar halves only in one particular vertical plane, it is called as

a)

Actinomorphic

b)

Zygomorphic

c)

Bilaterally Symmetrical

d)

Both "B" and "C"

25.

Pea plant is an example of which type of floral symmetry

a)

Actinomorphic

b)

Bilateral

c)

Zygomorphic

d)

Both "B" and "C"

26.

Gulmohar flower is having which type of floral symmetry?

a)

Actinomorphic

b)

Radial

c)

Zygomorphic

d)

Heteromorphic

27.

Bean plant has which kind of flower symmetry ?

a)

Asymmetric

b)

Radial

c)

Bilateral

d)

Actinomorphic

28.

Cassia is an example of which floral whorl symmetry

a)

Actinomorphic

b)

Zygomorphic

c)

Radial

d)

Asymmetric

29.

A flower is _______________ if it cannot be divided into two similar halves by any vertical plane passing through the centre

a)

Asymmetric

b)

Irregular

c)

Similar

d)

Both "A" and "B"

30.
a)

A-Actinomorphic; B-Radial

b)

A-Radial; B-Zygomorphic

c)

A-Actinomorphic; B-Irregualr

d)

A-Zygomorphic; B-Bilaterl

31.

When floral appendages are three it is known as?

a)

Trimerous

b)

Triceratops

c)

Tricosane

d)

Trichomerous

32.

When the floral appendages are four in count they are known as?

a)

Tetracosane

b)

Tetrapack

c)

Tetraops

d)

Tetramerous

33.

Pentamerous flowers have how many appendages?

a)

Six

b)

Seven

c)

Five

d)

Ten

34.
a)

A-Hexamerous; B-Pentamerous

b)

A-Trimerous; B-Pentamerous

c)

A-Tetramerous; B-Pentamerous

d)

A-Tetracoccus; B-Pentacoccus

35.

A modified leaf or scale, typically small, with a flower or flower cluster in its axil

a)

Bracts

b)

Stipule

c)

Pedicle

d)

Petiole

36.

Flowers without bracts are known as

a)

Exbracteate

b)

Imbracteate

c)

Ebractemate

d)

Embracteate

37.

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

a)

Epigynous

b)

Endogynous

c)

Hypogynous

d)

Perigynous

38.

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

a)

Hypogynous

b)

Perigynous

c)

Epigynous

d)

Endogynous

39.

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

a)

Epigynous

b)

Perigynous

c)

Hypogynous

d)

Endogamous

40.
a)

A-Perigynous; B-Hypogynous; C-Epigynous

b)

A-Epigynous; B-Perigynous; C-Hypogynous

c)

A-Hypogynous; B-Perigynous; C-Epigynous

d)

A-Hypogynous; B-Epigynous; C-Perigynous

41.

Which of the following have a hypogynous ovary position?

a)
b)
c)
d)

All of the Above

42.

Which of the following have perigynous ovary?

a)
b)
c)
d)

All of the Above

43.

Which of these plants have a epigynous position of the ovary?

a)
b)
c)
d)

All of the Above

44.

The ___________ is the outermost whorl of the flower and the members are called __________

a)

Calyx; Corolla

b)

Calyx; Sepals

c)

Sepals; Calyx

d)

Calyx; Petals

45.

Generally, sepals are _________ leaf like and protect the flower in the ___ stage

a)

Green; Bud

b)

Yellow; Growth

c)

Green; Growth

d)

Purple; Bud

46.

When the sepals are united the calyx is termed as ?

a)

Adunarsepalous

b)

Amalgosepalous

c)

Gamosepalous

d)

Fusosepalous

47.

How many major types exist of calyx depending on their union or solitary form ?

a)

Two

b)

Three

c)

Four

d)

Seven

48.

When the sepals are free the calyx is termed as ?

a)

Unisepalous

b)

Solisepalous

c)

Polysepalous

d)

Fissosepalous

49.

Together, all of the petals of a flower are called

a)

Sepal

b)

Corolla

c)

Corona

d)

Campulate

50.

Petals are modified ____________ that surround the reproductive parts of flowers. They are often __________ or unusually shaped to attract __________

a)

Stem; Dark; Humans

b)

Leaves; Dull coloured; Bees

c)

Leaves; Brightly Coloured; Pollinators

d)

Leaves; Brightly Coloured; Butterflies

51.

When the petals are united they are termed as

a)

Gamosepalous

b)

Gamopetalous

c)

Gamocorollous

d)

Gamogamous

52.

When the petals are free they are termed as ?

a)

Polysepalous

b)

Polygamous

c)

Polypetro

d)

Polypetalous

53.

The mode of arrangement of sepals or petals in floral bud is known as

a)

Hibernation

b)

Aestivation

c)

Torpor

d)

None of the Above

54.

The main types of aestivation are

a)

Four

b)

Five

c)

Three

d)

Six

55.

When sepals or petals in a whorl just touch one another at the margin, without overlapping

a)

Valvate

b)

Twisted

c)

Imbricate

d)

Vexillary

56.

If one margin of the (petal/sepal) appendage overlaps that of the next one

a)

Valvate

b)

Twisted

c)

Imbricate

d)

Vexillary

57.

If the margins of sepals or petals overlap one another but not in any particular direction

a)

Valvate

b)

Twisted

c)

Imbricate

d)

Vexillary

58.

Aestivation in which the largest (standard) overlaps the two lateral petals (wings) which in turn overlap the two smallest anterior petals (keel)

a)

Valvate

b)

Twisted

c)

Imbricate

d)

Vexillary

59.
a)

A-Valvate; B-Twisted; C-Imbricate; D-Quincuncial; E-Vexillary

b)

A-Valvate; B-Imbricate; C-Twisted; D-Quincuncial; E-Vexillary

c)

A-Valvate: B-Twisted; C-Quincuncial; D-Imbricate; E-Vexillary

d)

A-Valvate; B-Vexillary; C-Imbricate; D-Twisted; E-Quincuncial

60.

Calotropis has which aestivation

a)

Valvate

b)

Vexillary

c)

Imbricate

d)

Twisted

61.

China rose has which floral arrangement ?

a)

Twisted

b)

Vexillary

c)

Valvate

d)

Imbricate

62.

Okra (Lady finger) has which type of aestivation ?

a)

Vexillary

b)

Valvate

c)

Imbricate

d)

Twisted

63.

Cotton plant has which kind of floral appendicular arrangement ?

a)

Valvate

b)

Imbricate

c)

Twisted

d)

Vexillary

64.

Cassia species of plant have which type of aestivation ?

a)

Twisted

b)

Axillary

c)

Imbricate

d)

Vexillary

65.

Gulmohar plant has which floral appendage ?

a)

Imbricate

b)

Vexiallty

c)

Vexillary

d)

Twisted

66.

Pisum sativum has which type of aestivation ?

a)

Vexillary

b)

Valvate

c)

Imbricate

d)

Twisted

67.

Bean flowers have an aestivation

a)

Twisted

b)

Imbricate

c)

Vexillary

d)

Valvate

68.

Vexillary aestivation is also known as

a)

Papua new guinea

b)

Papilionaceous

c)

Valvate

d)

Vexicum

69.

Androecium is the

a)

Female Reproductive Part of a flower

b)

Male Reproductive Part of a flower

c)

Female Reproductive Part of a stem

d)

Male Reproductive Part of a stem

70.

Androecium is also known as

a)

Carpel

b)

Pistil

c)

Male

d)

Stamen

71.

Each stamen consists of ?

a)

Filament; Anther

b)

Carpel; Anther

c)

Stigma; Anther

d)

Style; Anther

72.

Anther is usually ______ and each ____ has ____ chambers, known as the ________

a)

Trilobed; Lobe; Sac

b)

Bilobed; Lobe; Pollen-sac

c)

Spherical; Sphere; Spherosome

d)

Bilobed; Lobular; Pollen

73.

The ________________ are produced in pollen-sacs

a)

Polls

b)

Pollen

c)

Pullen

d)

Putin

74.

A staminode is

a)

Strong Stamen

b)

Weak Stamen

c)

Fertilised Stamen

d)

Sterile Stamen

75.

When the stamens are fused to the petals they are known as

a)

Epiphyllous

b)

Epipetalous

c)

Epipetal

d)

Epigynous

76.

When the stamens are fused to perianth they are known as

a)

Epiphyllous

b)

Epigynous

c)

Epipetalous

d)

Epidermis

77.

Gynoecium is

a)

Male Reproductive part of Flower

b)

Female Reproductive part of Flower

c)

Female Reproductive part of Carpel

d)

Female Reproductive part of Ovary

78.

A single female reproductive part is known as

a)

Carpel

b)

Stigma

c)

Style

d)

Ovary

79.

A carpel consists of how many parts

a)

Two

b)

Three

c)

Four

d)

Five

80.

Carpel is also known as

a)

Pistol

b)

Pistal

c)

Pistil

d)

Pista

81.

Carpel is made up of

a)

Stigma; Style; Ovary

b)

Stigma; Stamen; Filament

c)

Stigma; Filament; Ovary

d)

Stigma; Style; Anther

82.

______ is the enlarged basal part, on which lies the elongated tube, the style

a)

Stigma

b)

Filament

c)

Ovary

d)

Anther

83.

The ___________ connects the ovary to the _________

a)

Style; Stigma

b)

Stigma; Style

c)

Filament; Stigma

d)

Filament; Style

84.

The _________ is usually at the tip of the _______ and is the receptive surface for pollen grains

a)

Style; Stigma

b)

Style; Ovary

c)

Stigma; Style

d)

Stigma; Ovary

85.

Each ovary bears one or more __________

a)

Pollen Grains

b)

Placenta

c)

Ovules

d)

Stigma

86.

Each ovary bears one or more ovules attached to a flattened, cushion-like __________

a)

Pollen

b)

Placenta

c)

Sacs

d)

Ovule

87.

When more than one carpel is present, they may be free and are called _____________

a)

Syncarpous

b)

Apocarpous

c)

Mesocarpous

d)

Epicarpous

88.

When carpels are fused they are known as

a)

Apocarpous

b)

Gamocarpous

c)

Fusocarpous

d)

Syncarpous

89.

Brinjal is an

a)

Epipetalous

b)

Epigynous

c)

Epiphyllous

d)

Epidermous

90.

Lilly plant has a _______ type of stamen

a)

Epipetalous

b)

Epiphyllous

c)

Epigynous

d)

Epidermis

91.

When the stamens in a flower are free they are termed as?

a)

Monoandrous

b)

Uniandrous

c)

Polyandrous

d)

Polypedalous

92.

When the stamens are united they into a single bunch they are termed as

a)

Monoandrous

b)

Monoadelphous

c)

Polyadelphous

d)

Polyandrous

93.

When the stamens are united into two separate bunches (bundles) they are termed as

a)

Diandrous

b)

Didelphous

c)

Diadelphous

d)

Delphinus

94.

When the stamens are separated into more than two bundles or bunches they are termed as/known as

a)

Polystamen

b)

Polyandrous

c)

Polyadelphous

d)

Polypetalous

95.
a)
b)
c)
d)
96.

a)
b)
c)
d)
97.
a)
b)
c)
d)
98.

a)

Monocarpous

b)

Apocarpous

c)

Polycarpous

d)

Syncarpous

99.

a)

Monocarpous

b)

Apocarpous

c)

Polycarpous

d)

Syncarpous

100.

a)

Monocarpous

b)

Apocarpous

c)

Polycarpous

d)

Syncarpous

101.

a)

Apocarpous

b)

Syncarpous

c)

Polycarpous

d)

Monocarpous

102.

After fertilisation, the ______ develop into seeds and the _______ matures into a fruit.

a)

Ovules; Ovary

b)

Ovary; Ovules

c)

Endosperm; Seed

d)

Ovules; Endosperm

103.

The arrangement of ovules within the ovary is known

as

a)

Phyllotaxy

b)

Inflorescence

c)

Placentation

d)

Aestivation

104.

How many types of placentation exist?

a)

Two

b)

Four

c)

Six

d)

Five

105.

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

a)

Marginal

b)

Axial

c)

Parietal

d)

Free central

106.

When the placenta is axial and the ovules are attached to it in a multilocular ovary, the placentaion is said to be

a)

Marginal

b)

Basal

c)

Free Central

d)

Axile

107.

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

a)

Parietal

b)

Axile

c)

Marginal

d)

Basal

108.

When the ovules are borne on central axis and septa are absent it is known as ____________ placentation

a)

Free central

b)

Basal

c)

Marginal

d)

Axile

109.

In _______ placentation, the placenta develops at the base of ovary and a single ovule is attached to it

a)

Basal

b)

Marginal

c)

Axile

d)

Free central

110.
a)

Marginal

b)

Central

c)

Basal

d)

Axile

111.

a)

Axile

b)

Free

c)

Basal

d)

Marginal

112.

a)

Basal

b)

Axile

c)

Free Central

d)

Marginal

113.

a)

Free Central

b)

Basal

c)

Marginal

d)

Axile

114.

a)

Basal

b)

Free Central

c)

Axile

d)

Parietal

115.

a)

Marginal

b)

Axile

c)

Parietal

d)

Basal

116.

a)

Marginal

b)

Free Central

c)

Basal

d)

Axile

117.

a)

Marginal

b)

Axile

c)

Parietal

d)

Basal

118.

a)

Marginal

b)

Axile

c)

Parietal

d)

Free Central

119.

a)

Marginal

b)

Axile

c)

Parietal

d)

Basal

120.

There may be a variation in the length of filaments within a flower such as

a)
b)
c)
d)

Both "A" and "B"