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MORPHOLOGY OF FLOWERS

Total questions: 52

Worksheet time: 26mins

Name
Class
Date
1.

The standard petal of a papillionaceous corolla is also called

a)

Pappus

b)

Vexillum

c)

Corona

d)

Carina

2.

Radial symmetry is found in the flowers of

a)

Brassica

b)

Trifolium

c)

Pissum

d)

Cassia

3.

The term ‘polyadelphous’ is related to

a)

gynocieum

b)

androcieum

c)

calyx

d)

COROLLA

4.

Flowers are unisexual in

a)

Pea

b)

Cucumber

c)

China rose

d)

Onion

5.

When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

a)

Vexillary

b)

Imbricate

c)

Twisted

d)

Valvate

6.

In China rose the flowers are

a)

Actinomorphic, hypogynous with twisted aestivation

b)

Actinomorphic, epigynous with valvate aestivation

c)

Zygomorphic, hypogynous with imbricate aestivation

d)

Zygomorphic, epigynous with twisted aestivation

7.

Cymose inflorescence is present in

a)

Sesbania

b)

solanum

c)

Trifolium

d)

Brassica

8.

Vexillary aestivation is characteristic of the family

a)

Fabaceae

b)

Asteraceae

c)

Solanaceae

d)

Brassicaceae

9.

Flowers are zygomorphic in

a)

Gulmohur

b)

Tomato

c)

Datura

d)

Mustard

10.

Keel is characteristic of the flowers of

a)

Gulmohur

b)

Cassia

c)

Calotropis

d)

Beans

11.

The technical term used for the androecium in a flower of China rose

a)

Monoadelphos

b)

Diadelphous

c)

Polyandrous

d)

Polyadelphous

12.

WHat does G tell us about position of ovary in a flower?

a)

ovary is inferior

b)

ovary is superior

c)

flower is perigynous

d)

flower is epigynous

13.

Identify the condition of petals in the given image of cherry flower

a)

polysepalous

b)

gamosepalous

14.

Identify the type of flower on the basis of position of ovary in the given image.

a)

hypogynous

b)

perigynous

c)

epigynous

d)

none of the above

15.

Identify the conditon of stamens in the given flower

a)

polyandrous

b)

synandrous and monoadelphous

c)

Polyandrous and monoadelphous

d)

synandrous and diadelphous

16.

Identify the type of inflorescence shown here

a)

Solitary

b)

Cymose

c)

Racemose

d)

Noe of the above

17.

Arrangement of flowers on floral axis is called –

a)

Placentation

b)

Phyllotaxy

c)

Inflorescence

d)

Angiology

18.

A flower is –

a)

A modified shoot

b)

The reproductive unit in angiosperms

c)

The reproductive unit of gymnosperms

d)

a and b

19.

Which of the following flowers is not actinomorphic (radially symmetry)?

a)

Mustard

b)

Datura

c)

Chilli

d)

Pea

20.

Stalk of flower is known as

a)

Pedicel

b)

Petiole

c)

Peduncle

d)

Petal

21.

Arrangement of flowers on floral axis is called –

a)

Placentation

b)

Phyllotaxy

c)

Inflorescence

d)

Angiology

22.

Inflorescence is meant for –

a)

Bearing flower

b)

Ensuring cross pollination

c)

Protection of flower

d)

Fruits formation

23.

Racemose inflorescence is identified by –

a)

Acropetal arrangement of flowers on peduncle

b)

Presence of sessile flowers

c)

Continuous growth of main axis

d)

a and c

24.

Cymose inflorescence is identified by –

a)

Basipetal arrangement of flowers on the main axis (peduncle)

b)

The limited growth of the main axis as main axis terminates in a flower

c)

Both a and b

d)

Presence of sessile flower

25.

Petals and Sepals are collectively called as;

a)

calyx

b)

Perianth

c)

Corolla

d)

Pistil

26.

A flower petal is collectively called as;

a)

Callyx

b)

Corolla

c)

Perianth

d)

Pedicle

27.

A Leaflike structure of a flower that protects the Corolla.

a)

Petals

b)

Filament

c)

Sepals

d)

Stigma

28.

Refers to the specialized leaves that may be as colourful as petals and can attract pollinators the way petals do.

a)

Pistil

b)

Sepals

c)

Bracts

d)

Anther

29.

When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

a)

Vexillary

b)

Imbricate

c)

Twisted

d)

Valvate

30.

In China rose the flowers are

a)

Actinomorphic, hypogynous with twisted aestivation

b)

Actinomorphic, epigynous with valvate aestivation

c)

Zygomorphic, hypogynous with imbricate aestivation

d)

Zygomorphic, epigynous with twisted aestivation

31.

Flowers are zygomorphic in

a)

Gulmohur

b)

Tomato

c)

Datura

d)

Mustard

32.

Keel is characteristic of the flowers of

a)

Gulmohur

b)

Cassia

c)

Calotropis

d)

Beans

33.

WHat does G tell us about position of ovary in a flower?

a)

ovary is inferior

b)

ovary is superior

c)

flower is perigynous

d)

flower is epigynous

34.

Identify the condition of petals in the given image of cherry flower

a)

polysepalous

b)

gamosepalous

35.

Identify the type of flower on the basis of position of ovary in the given image.

a)

hypogynous

b)

perigynous

c)

epigynous

d)

none of the above

36.

Identify the type of inflorescence shown here

a)

Solitary

b)

Cymose

c)

Racemose

d)

Noe of the above

37.

When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

a)

Vexillary

b)

Imbricate

c)

Twisted

d)

Valvate

38.

The standard petal of a papillionaceous corolla is also called

a)

Pappus

b)

Vexillum

c)

Corona

d)

Carina

39.

Identify the correct statement :

a)

Hypogynous flowers have inferior ovary

b)

Perigynous flowers have inferior ovary

c)

Hypogynous flowers have superior ovary

d)

Epigynous flowers have superior ovary

40.

Racemose inflorescence is identified by –

a)

Acropetal arrangement of flowers on peduncle

b)

Presence of sessile flowers

c)

Continuous growth of main axis

d)

a and c

41.

Vexillary aestivation is characteristic of the family

a)

Fabaceae

b)

Asteraceae

c)

Solanaceae

d)

Brassicaceae

42.

Identify this type of ovary

a)

hypogynous

b)

perigynous

c)

epigynous

43.
The filament___________
a)
holds up the anther
b)
protects the petal
c)
is the male part of the flower
d)
catches pollen
44.
The ovary, style, and the stigma make up the female part of a plant called the ?
a)
stamen
b)
petals
c)
stem
d)
carpel (pistil)
45.

Placentation in which ovules develop on the inner wall of the ovary or in peripheral part, is

a)

Basal

b)

Axile

c)

Parietal

d)

Free central

46.

In marginal placentation, the ovules are arranged –

a)

Along the inner wall of the carpel in a syncarpous ovary

b)

Along the margin of single carpel

c)

In the middle of the ovary

d)

To the base of the ovary

47.

Many pulse of daily use belong to one of the families below

a)

Solanaceae

b)

Fabacae

c)

Liliaceae

d)

Poaceae

48.

Question 48.

The colored part of a Bougainvillea flower is the

a)

(a) corolla

b)

(b) calyx

c)

(c) bracts

d)

(d) androecium

49.

Q 49. Tomato and tobacco belongs to which family

a)

Malvaceae

b)

Liliaceae

c)

Solanaceae

d)

Fabaceae

50.

Flowers with this floral diagram belongs to:

a)

Fabaceae

b)

Liliaceae

c)

Solanaceae

d)

Asteraceae

51.

Which one of these floral formulas belongs to the Liliaceae family?

a)

⊕☿P2+2A6G(3)

b)

⊕☿P3A3+3G(3)

c)

⊕☿P3+3A3+3G(3)

d)

⊕☿P3+3A0G(̅3̅)

52.

Which type of aestivation is seen in this flower

a)

Imbricate

b)

Vexillary

c)

Twisted

d)

Valvate

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