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Morphology of Flowering Plants

Total questions: 91

Worksheet time: 46mins

Name
Class
Date
1.

plants, which produce characteristic pneumatophores and show vivipary belong to

a)

mesophytes

b)

halophytes

c)

psammophytes

d)

hydrophytes

2.

In Bougainvillea thorns are the modifications of

a)

stipules

b)

adventitious root

c)

stem

d)

leag

3.

The morphological nature of the edible part of coconut is

a)

perisperm

b)

cotyledon

c)

endosperm

d)

pericarp

4.

the standard petal of a popilionaceous corolla is also called

a)

pappus

b)

vexillum

c)

corona

d)

carina

5.

Stem modified into flat green organs performing the functions of leaves are known as

a)

phyllodes

b)

phylloclades

c)

scales

d)

cladodes

6.

Which of the following is not a stem modification?

a)

Thorns of Citrus

b)

Tendrils of cucumber

c)

Flattened structures of Opuntia

d)

Pitcher of Nepenthes

7.

Tricarpellary, syncarpous gynoecium is found in flowers of

a)

Solanaceae

b)

Fabaceae

c)

Poaceae

d)

Liliaceae

8.

Free-central placentation is found in

a)

Dianthus

b)

Argemone

c)

Brassica

d)

Citrus

9.

Radial symmetry is found in the flowers of

a)

Brassica

b)

Trifolium

c)

Pisum

d)

Cassia

10.

How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?

a)

Three

b)

Four

c)

Five

d)

Six

11.

The term 'Polyadelphous' is related to

a)

Gynoecium

b)

androecium

c)

corolla

d)

calyx

12.

Flowers are unisexual in

a)

pea

b)

cucumber

c)

China rose

d)

onion

13.

Roots play insignificant role in absorption of water in

a)

sunflower

b)

Pistia

c)

pea

d)

wheat

14.

Axile placentation is present in

a)

dianthus

b)

lemon

c)

pea

d)

Argemone

15.

among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior overy?

a)

Five

b)

Six

c)

Three

d)

Four

16.

Placenta and pericarp are both edible portions in

a)

apple

b)

banana

c)

tomata

d)

potato

17.

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

18.

Which one of the following statements is correct?

a)

The seed in grasses is not endospermic

b)

Mango is a parthenocarpic fruit

c)

A proteinaceous aleurone layer is present in maize grain

d)

A sterile pistil is called a staminode

19.

An example of edible underground stem is

a)

carrot

b)

groundnut

c)

sweet potata

d)

potato

20.

An aggregate fruit is one which develops form

a)

multicarpellary syncarpous gynoecium

b)

multicarpellary apocarpus gyncoecium

c)

complete inflorescence

d)

multicarpellary superior ovary

21.

Non-albuminous seed is porduced in

a)

maize

b)

castor

c)

wheat

d)

pea

22.

Among bitter gourd, mustard, brinjal, pumpkin, China rose, lupin, cucumber, sunnhemp, gram, guava, bean, chilli, plum, Petunia, tomato, rose, Withania, potato, onion, aloe and tulip, how many plants have hypogynous flower?

a)

Six

b)

Ten

c)

Fifteen

d)

Eighteen

23.

In china rose theflowers are

a)

actinomorphic, hypogynous with twisted aestivation

b)

actinomorphic, epigynous with valvate aestivation

c)

Zytomorphic, hypogynous with imbricate aestivation

d)

zytomorphic, epigynous with twisted aestivation

24.

Seed coat is not thin, membranous in

a)

maize

b)

coconut

c)

groundnut

d)

gram

25.

Perisperm differs from endosperm in

a)

being a haploid tissue

b)

having no reserve food

c)

being a diploid tissue

d)

its formation by fusion of secondary nucleus with several sperms

26.

Placentation in tomato and lemon is

a)

parietal

b)

free central

c)

marginal

d)

axile

27.

Cymose inflorescence is present in

a)

Solanum

b)

Sesbania

c)

Trifolium

d)

Brassica

28.

the gynoecium consists of many free pistils in flowers of

a)

Aloe

b)

tomato

c)

Papaver

d)

Michelia

29.

Which one of the following is correctly matched?

a)

Onion -Bulb

b)

Ginger - Sucker

c)

Chlamydomonas - Conidia

d)

Yeast - Zoospores

30.

How many plants in the list given below have composite fruits that develop from an inflorescence?

Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry

a)

Four

b)

Five

c)

Two

d)

Three

31.

The coconut water and the edible part of coconut are equivalent to

a)

endosperm

b)

endocarp

c)

mesocarp

d)

embryo

32.

Vexillary aestivation is characteristic of the family

a)

Fabaceae

b)

Asteraceae

c)

Solanaceae

d)

Brassicaceae

33.

Phyllode is present in

a)

Asparagus

b)

Euphorbia

c)

Australian Acacia

d)

Opuntia

34.

Which one of the following statements is correct?

a)

Seeds of orchids have oil-rich endosperm

b)

Placentaion in primrose is basal

c)

Flower of tulip is a modified shoot

d)

In tomato, fruit is a capsule

35.

The 'eyes' of the potato tuber are

a)

flower buds

b)

shoot buds

c)

axillary buds

d)

root buds

36.

The correct floral formula of chilli is

a)

k(5) C(5) A5 G(2)

b)

k(5) C(5) A(5) G2

c)

k5 C5 A(5) G2

d)

k(5) C5 A5 G(2)

37.

Flowers are zygomorphic in

a)

gulmohur

b)

tomata

c)

datura

d)

mustard

38.

The ovary is half inferior in flowers of

a)

cucumber

b)

cotton

c)

guava

d)

peach

39.

A drupe develops in

a)

wheat

b)

pea

c)

tomato

d)

mango

40.

Keel is characteristic of the flowers of

a)

gulmohur

b)

Cassia

c)

Calotropis

d)

bean

41.

In unilocular vary with a single ovule, the placentaion is

a)

marginal

b)

basal

c)

free central

d)

axile

42.

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

a)

monadelphous

b)

diadelphous

c)

polyandrous

d)

polyadelphous

43.

Vegetation propagation in mint occurs by

a)

runner

b)

offset

c)

rhizome

d)

sucker

44.

Cotyledons and testa are edible parts of

a)

groundnut and pomegranate

b)

walnut and tamarind

c)

french bean and coconut

d)

cashew nut and litchi

45.

An example of axile placentaion is

a)

Argemone

b)

Dianthus

c)

lemon

d)

marigold

46.

A fruit developed from hypanthodium inflorescence is called

a)

hesperidium

b)

sorosis

c)

syconus

d)

caryopsis

47.

An example of a seed with endosperm, perisperm and caruncle is

a)

cotton

b)

coffee

c)

lily

d)

castor

48.

The fruit is chambered, develpoed form inferior ovary and has seeds with succulent testa in

a)

pomegranate

b)

orange

c)

guava

d)

cucumber

49.

The fleshy receptacle of syconous of fig encloses a number of

a)

Achenes

b)

samaras

c)

berries

d)

mericarps

50.

Dry inbehiscent singlt-seeded fruit formed from bicarpellary syncarpous inferior

a)

caryopsis

b)

cypsela

c)

berry

d)

cremocarp

51.

What type of placentaion is seen in sweet pea?

a)

Axile

b)

Free central

c)

Marginal

d)

Basal

52.

Pineapple (ananas) fruit develops form

a)

a multipistillate syncarpous flower

b)

a cluster of compactly borne flowers on a common axis

c)

a multilocular monocarpellary flower

d)

a unilocular polycarpellary fower

53.

In a cereal grain the single cotyledon of embryo is represented by

a)

scutellum

b)

prophyll

c)

coleoptile

d)

colearhiza

54.

Long filamentous threads protruding at the end of the young cob of maize are

a)

styles

b)

ovaries

c)

hairs

d)

anthers

55.

Juicy hair-like structures observed in the lemon fruit develop from

a)

mesocarp and endocarp

b)

exocarp

c)

mesocarp

d)

endocarp

56.

'which of the following is a correct pair?

a)

Cusculta - Parasite

b)

Dischidia - Instectivorous

c)

Opuntia - Predator

d)

Capsella - Hydrophyte

57.

Edible part in mango is

a)

mesocarp

b)

epicarp

c)

endocarp

d)

epidemis

58.

Geocarpic fruit is

a)

potato

b)

groundnut

c)

onion

d)

garlic

59.

Bicarpellary gynoecium and oblique ovary occurs in

a)

mustard

b)

banana

c)

pisum

d)

brinjal

60.

Roots of which plant contains an oxidising agent?

a)

Carrot

b)

Soyabean

c)

Mustard

d)

Radish

61.

Which is correct pair for edible part?

a)

Tomato - Thalamus

b)

Maize - Cotyledons

c)

Guava - Mesocarp

d)

Date palm - Pericarp

62.

Edible part of banana is

a)

epicarp

b)

mesocarp and less developed endocarp

c)

endocarp and less developed mesocarp

d)

epicarp and mesocarp

63.

Match the following and indicate which is correct?

a)

Cucurbitaceae - Orange

b)

Malvaceae - Cotton

c)

Brassicaceae - wheat

d)

Leguminosae - sunflower

64.

Edible part in litchi is

a)

mesocarp

b)

fleshy aril

c)

endosperm

d)

pericarp

65.

The type of placentation in which vary is syncarpous, unilocular and ovules on sutures is called

a)

apical placentation

b)

parietal placentation

c)

marginal placentation

d)

superficial placentation

66.

Angiosperm to which the largest flowers belong is

a)

total stem parasite

b)

partial stem parasite

c)

total root parasite

d)

partial root parasite

67.

The plant, which bears clinging roots, is

a)

Trape

b)

orchid

c)

screw pine

d)

podostemon

68.

Floral features are chiefly used in angiosperms identification because

a)

flowers are of various colours

b)

flowers can be sagely pressed

c)

reproductive parts are more stable and conservative than vegetative parts

d)

flowers are nice to work with

69.

The embryo in sunflower has

a)

one cotyledon

b)

two cotyledons

c)

many cotyledons

d)

no cotyledon

70.

Which plant will lose its economic value if its fruits are produced by induced parthenocarpy?

a)

Grape

b)

Pomegranate

c)

Banana

d)

Orange

71.

Heterospory and seed habit are often discussed in relation to a structure called

a)

spathe

b)

bract

c)

petiole

d)

ligule

72.

Which one of the following is a true fruit?

a)

Apple

b)

Pear

c)

Cashewnut

d)

Coconut

73.

Which part of the coconut produces coir?

a)

Seed coat

b)

Mesocarp

c)

Epicarp

d)

Pericarp

74.

Buttress roots are found in

a)

Sorghum

b)

Banyan

c)

Terminalia

d)

Pandanus

75.

Tetradynamous stamens are found in

a)

Malvaceae

b)

Solanaceae

c)

Cruciferae

d)

Liliaceae

76.

A perennial plant differs from biennial in

a)

having underground perennating structure

b)

having asexual reproductive structures

c)

being tree species

d)

hot dying after seasonal production of flowers

77.

Hypanthodium is

a)

thalamus

b)

fruit

c)

inflorescence

d)

ovary

78.

Plant having column of vascular tissues, bearing fruits and having a tap root system is

a)

monocot

b)

dicot

c)

gymnosperm or dicot

d)

gymnosperm or monocot

79.

Pulses are obtained from

a)

Fabaceae

b)

Asteraceae

c)

Poaceae

d)

Solanaceae

80.

Vivipary is

a)

seed germination with subterranean cotyledons

b)

seed germination with epiterranean cotyledons

c)

fruit development without pollination

d)

seed germination inside the fruit while attached to the plant

81.

Epipetalous and syngenesious stamens occur in

a)

solanaceae

b)

Brassicaceae

c)

Fabaceae

d)

Asteraceae

82.

Botanical name of cauliflower is

a)

Brassica oleracea var. cepitata

b)

Brassica campestris

c)

Brassica oleracea var. botrytis

d)

Brassica oleracea var. gemmifera

83.

Velamen is found in

a)

roots of screwpine

b)

aerial and terrestrial roots of orchids

c)

leaves of Ficus elastica

d)

aerial roots of orchids

84.

Vegetative reproduction of Agave occurs

a)

rhizome

b)

stolon

c)

bulbils

d)

sucker

85.

New banana plants develop from

a)

rhizome

b)

sucker

c)

stolon

d)

seed

86.

Oil reserve of groundnut is present in

a)

embryo

b)

cotyledons

c)

endosperm

d)

underground tubers

87.

A family delimited by type of inflorescence is

a)

Fabaceae

b)

Asteraceae

c)

Solanaceae

d)

Liliaceae

88.

Vivipary is characteristics of

a)

mesophytes

b)

xerophytes

c)

hygrophytes

d)

halophytes

89.

Floral formula of tomato/tobacco is

a)

K4-5 A10 G(2)

b)

K2+2 C4A2+4G1

c)

P2A3G1

d)

Br K(5) C(5) A5 G(2)

90.

Mango juice is got from

a)

epicarp

b)

mesocarp

c)

endocarp

d)

pericarp and thalamus

91.

Fruit of groundnut is

a)

legume

b)

carpopsis

c)

berry

d)

nut

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