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Morphology of Flowering Plants Flashcards

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Biology 101 flashcards
1
Q

Root system found in dicotyledons?

A

Tap root system

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2
Q

Roots that originate from the base of the stem found in monocotyledons?

A

Fibrous root system

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3
Q

Roots that arise from parts of the plant other than the radicle are called?

A

Adventitious roots

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4
Q

In which region of root thread like structures called root hairs are present?

A

Region of Maturation

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5
Q

Thimble like structure covering the apex of root is known as

A

Root cap

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6
Q

Examples of tap root modification for storage of food

A

Carrot and turnip

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7
Q

Examples of adventitious root modification for storage of food

A

Sweet potato

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8
Q

Hanging structures that support the banyan tree are called

A

Prop roots

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9
Q

Examples of stilt roots

A

Maize and Sugarcane

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10
Q

Roots found in Rhizophora which helps in getting oxygen for respiration is known as

A

Pneumatophores

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11
Q

Underground stems modified to store food

A

Ginger, Tumeric, Potato, Colocasia and Zaminkand

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12
Q

Stem modification which hepls plant to climb

A

Tendrils

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13
Q

Examples of stem modifications as thorns

A

Bougainvilles and Citrus

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14
Q

Stem modified into chlorophyll containing flattened structures to carry out photosynthesis found in

A

Optunia

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15
Q

Stem modified into chlorophyll containing fleshy cylindrical structures to carry out photosynthesis found in

A

Euphorbia

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16
Q

Name the aquatic plants in which lateral branch with short internodes and each node bearing rosette of leaves and a tuff roots are found

A

Pistia and Eichhornia

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17
Q

Leaf bears a bud in its axil known as

A

Axillary bud

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18
Q

The leaf is attached to the stem by the

A

Leaf base

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19
Q

The leaf bear two lateral small leaf-like structures called

A

Stipules

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20
Q

In some leguminous plants the leaf base may become swollen, which is known as

A

Pulvinus

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21
Q

The green expanded part of the leaf with veins and veinlets are known as

A

Lamina or leaf blade

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22
Q

The arrangement of veins and the veinlets in the lamina of leaf is termed as

A

Venation

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23
Q

When the veinlets form a network, the venation is termed as

A

Reticulate venation

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24
Q

When the veins run parallel to each other within a lamina, the venation is termed as

A

Parallel venation

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25
Q

When the incisions of the lamina reach up to the midrib breaking it into a number of leaflets, the leaf is called

A

Compound leaf

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26
Q

Example of palmately compound leaf

A

Silk cotton

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27
Q

Opposite phyllotaxy is seen in

A

Calotropis and Guava

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28
Q

Whorled phyllotaxy is seen in

A

Alstonia

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29
Q

Example of plant in which leaves are modified into tendrils

A

Peas

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30
Q

Modification of leaves into fleshy leaves to store food

A

Onion and Garlic

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31
Q

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

A

Solitary

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32
Q

Inflorescences in which main axis continues to grow the flowers are borne laterally in an acropetal succession

A

Racemose

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33
Q

Infloresence in which the main axis terminates in flower is limited in growth

A

Cymose

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34
Q

Reproductive unit in the angiosperms

A

flower

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35
Q

Swollen end of the stalk or pedicel

A

thalamus or receptacle

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36
Q

When the flower has both androceium and gynoecium it is known as

A

bisexual

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37
Q

When a flower having either only stamens or only carpels is known as

A

Unisexual

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38
Q

Examples of Actinomorphic flower

A

Mustard, datura and chilli

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39
Q

Examples of Zygomorphic flower

A

Pea, gulmohur, bean and Cassia

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40
Q

Flower that cannot be divided into two similar halves by any vertical plane passing through the centre,

A

Asymmetric

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41
Q

Flower with bracts are called

A

Bracteate

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42
Q

Flowers in which the gynoecium occupies the highest position while the other part is situated below it, known as

A

Hypogynous

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43
Q

If gynoecium is situated in the centre and the other part of the flower are located on the rim of the thalamus almost at the same level level, it is called

A

Perigynous

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44
Q

Flowers in which the margin of thalamus grows upward enclosing the ovary completely and getting fused with it and the other parts of the flower arise above the ovary, are

A

Epigynous flowers

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45
Q

Examples of inferior ovary

A

Flowers of guava and cucumber and the ray florets of sunflower

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46
Q

Calyx, when sepals are united, is

A

Gamosepalous

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47
Q

Calyx is called as when sepals are free

A

polysepalous

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48
Q

When sepals or petals in the whorl just touch one another at the margin, without overlapping it is said to be

A

Valvate

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49
Q

Example of valvate aestivation is

A

Calotropis

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50
Q

If one margin of the appendage overlap of the next one and so on, it is called

A

twisted

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51
Q

Example of twisted aestivation

A

China rose, lady finger and Cotton

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52
Q

If the margins of sepals or petals overlap one another but not in particular direction is known as

A

Imbricate Aestivation

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53
Q

Examples of vexillary or papilionaceous aestivation

A

Pea and bean

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54
Q

A sterile stamen is called

A

staminode

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55
Q

Epipetalous stamens are found in

A

Brinjal

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56
Q

When stamens are attached to the petals, they are called

A

epipetalous

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57
Q

When stamens are attached to the perianth, they are called

A

epiphyllous

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58
Q

Epiphyllous stamens are found in

A

Lily

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59
Q

When stamens in a flower are free, they are called

A

polyandrous

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60
Q

When the stamens are united into one bunch or one bundle, they are known as

A

monoadelphous

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61
Q

When the stamens may be united into two bundles, they are known as

A

Diadelphous

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62
Q

When the stamens may be united into more than two bundles, they are known as

A

polyadelphous

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63
Q

Variation in length of filaments within flower is seen in

A

Salvina and mustard

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64
Q

When more than one carpels are present and they are free, are called as

A

apocarpous

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65
Q

When more than one carpels are present and they are fused, are called as

A

syncarpous

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66
Q

Examples of syncarpous carpel

A

mustard and tomato

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67
Q

The arrangement of ovules within the ovary is known as

A

placentation

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68
Q

Examples of marginal placentation

A

Pea

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69
Q

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

A

axile

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70
Q

Example of axile placentation

A

china rose, tomato and lemon

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71
Q

In ___ placentation the ovules develop on the inner wall of the ovary or on peripheral part

A

parietal

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72
Q

Examples of parietal placentation

A

mustard and Argemone

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73
Q

Examples of free central placentation

A

Dianthus and primose

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74
Q

When the ovules are borne on central axis and septa are absent, the placentation is called

A

free central

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75
Q

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

A

basal placentation

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76
Q

Examples of plants showing basal placentation

A

sunflower, marigold

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77
Q

If a fruit is formed without fertilization of the ovary, it is called a

A

parenthenocarpic fruit

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78
Q

Examples of drupe

A

mango and coconut

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79
Q

Fruit that is developed from monocarpellary superior ovaries and are one seeded, are known as

A

drupe

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80
Q

In some seeds such as castor the endosperm formed as a result of double fertilization, is a food storing tissue and called

A

endospermic seeds

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81
Q

Examples of non endospermous seeds

A

bean, gram and pea

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82
Q

In plants such as bean, gram and pea, the endosperm is not present in mature seeds and such seeds are called

A

nonendospermous

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83
Q

The outer covering of endosperm separates the embryo by a proteinous layer called

A

aleurone layer

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84
Q

In monocot seeds, plumule is enclosed within a sheath called

A

coleoptile

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85
Q

In monocot seeds radicle is enclosed in a sheath which is called

A

coleorhiza

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86
Q

In the floral formula Br stands for

A

bracteate

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87
Q

In the floral formula K stands for

A

calyx

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88
Q

In the floral formula C stands for

A

corolla

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89
Q

In the floral formula P stands for

A

perianth

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90
Q

In the floral formula A stands for

A

Androecium

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91
Q

In the floral formula G stands for

A

Gynoecium

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92
Q

The position of the mother axis with respect to the flower is represented by

A

a dot on the top of the floral diagram

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93
Q

The Fabaceae family was earlier called as -

A

Papilionoideae

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94
Q

Papilonoideae is the subfamily of which family?

A

Leguminosae

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95
Q

Inflorescence in fabaceae family -

A

racemose

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96
Q

Example of a plant in fabaceae family from which dye is obtained?

A

Indigofera

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97
Q

Examples of plant in fabaceae family from which fibres are obtained?

A

sunhemp

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98
Q

Examples of Medicinal plant in fabaceae family

A

multani

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99
Q

Solanaceae family is commonly called as-

A

potato family

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100
Q

Example of medicinal plant in solanaceae family

A

belladona, ashwagandha

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101
Q

Example of fumigatory plant in Solanaceae family

A

tobacco

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102
Q

Examples of Ornamental plant in Solanaceae family

A

petunia

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103
Q

Lilaceae family is known as-

A

Lily family

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104
Q

Examples of ornamental plant in Lilaceae family

A

tulip, Gloriosa

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105
Q

Example of medicinal plant in Lilaceae family

A

Aloe

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106
Q

Example of plant used as vegetable in Lilaceae family

A

Asparagus

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107
Q

Reduced leaf found at the base of the pedicel is called

A

bracts

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108
Q

Flowers without bracts are called

A

Ebracteate

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109
Q

The angiosperms show such a large diversity in external structures or _____

A

morphology

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110
Q

Angiosperms are all characterised by presence of roots, ____, _____, ______ and ____

A

stems, leaves, flowers and flowers

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111
Q

Adaptations of the plants to their environment includes adaptations to various _____, for protection, _____, ____, etc

A

habitats, climbing, storage

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112
Q

The underground part of the flowering plant is ____ system while the portion above the ground forms the ____ system

A

root; shoot

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113
Q

In majority of the dicotyledonous plants, the direct elongation of the ____ leads to the formation of primary root which grows inside the soil

A

radicle

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114
Q

Primay root bears ____ roots of several orders that are referred to as secondary, tertiary, etc. roots

A

lateral

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115
Q

The primary roots and its branches constitute ____ system

A

taproot

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116
Q

Mustard plants have ____ system

A

taproot

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117
Q

In _____ plants, the primary root is short lived and is replaced by a large number of roots

A

monocotyledonous

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118
Q

____ root system is seen in the wheat plant

A

Fibrous

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119
Q

Which root system is found in some plants, like grass, Monstera and the banyan tree ?

A

Adventitious root system

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120
Q

Tthe main functions of the roor system are absorption of ____ and ___ from the soil.

A

water, minerals

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121
Q

The main functions of the root system are providing a proper ___ to the plant parts

A

anchorage

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122
Q

The main functions of the root system are storing reserve food material and synthesis of ___

A

plant growth regulators

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123
Q

_____ protects the tender apex of the root as it makes its way through the soil

A

root cap

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124
Q

A few millimetres above the root cap is the region of ____

A

meristematic activity

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125
Q

The cells of region of meristematic activity region are very small, ____ and with dense ____. They divide repeatedly

A

thin-walled, protoplasm

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126
Q

Region of elongation cells are located ____ to region of meristematic activity

A

proximal

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127
Q

Region of elongation cells undergo rapid elongation and ___

A

enlargement

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128
Q

Region of ____ is responsible for the growth of the root in length

A

elongation

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129
Q

The cells of the ____ zone gradually differentiate and mature

A

elongation

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130
Q

The zone, proximal to region of elongation, is called the region of ____

A

maturation

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131
Q

From the region of maturation some of the ____ cells form very fine and delicate, thread - like structures called root hairs

A

epidermal

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132
Q

These ___ absorb water and minerals from the soil

A

root hairs

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133
Q

Roots in some plants change their ___ and ____ and become modified to perform functions other than absorption and conduction of water and minerals

A

shape, structure

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134
Q

Roots are modified for ____, storage of food and ____

A

support, respiration

135
Q

The stem is the ____ part of the axis bearing branches, leaves, lowers and fruits

A

ascending

136
Q

Stem develops from the ____ of the embryo of a germinating seed

A

plumule

137
Q

The stem bears nodes and ____

A

internodes

138
Q

The region of stem where ___ are born are called nodes

A

leaves

139
Q

____ are the portions between two nodes

A

Internodes

140
Q

The stem bear buds, which may be ____ or _____

A

terminal, axillary

141
Q

Stem is generally green when ___

A

young

142
Q

Stems later often become ___ and dark brown

A

woody

143
Q

The main function of the stem is spreading out ____ bearing leaves, flowers and fruits

A

branches

144
Q

Stem conducts water, minerals and ____

A

photosynthates

145
Q

Some stems perform the function of storage of food, support, protection and of _____

A

vegetative propagation

146
Q

Stems also act as organs of ____ to tide over conditions unfavourable for growth

A

perennation

147
Q

Stem tendrils which develop from _____ buds, are slender and spirally coiled

A

axillary

148
Q

Stem tendrils help plants to climb such as in gourds, ____ and grapevines

A

cucumber, pumpkins, watermelon

149
Q

Axillary buds of stems may also get modified into woody, straight and pointed _____

A

thorns

150
Q

Thorns are found in many plants such as _____, ______

A

Citrus, Bougainvillea

151
Q

Underground stems of some plants such as ____ and ____, etc., spread to new niches and when older parts die new plants are formed

A

grass, strawberry

152
Q

In plants like ___ and ____ a slender lateral branch arises from the base of the main axis after growing aerially for some time arch downwards to touch the ground

A

mint, jasmine

153
Q

In banana, ____ and ____, the lateral branchesoriginate from the basal and underground portion of the main stem

A

pineapple, Chrysanthemum

154
Q

In banana, pineapple and chrysanthemum, the lateral branches grow _____ beneath the soil and then come out _____ upwards giving rise to leafy shoots

A

horizontally, obliquely

155
Q

The leaf is a lateral, generally _____ structure borne on the stem

A

flattened

156
Q

The leaf develops at the ____ and bears a ____ in its axil

A

node, bud

157
Q

The axillary bud of leaf later develops into a ____

A

branch

158
Q

Leaf originate from shoot apical meristems are arranged in an ____ order

A

acropetal

159
Q

Leaf are the most important vegetative organs for _____

A

photosynthesis

160
Q

A typical leaf consists of three main parts: leaf base, ___ and ____

A

petiole, lamina

161
Q

In _____, the leaf base expands into a sheath covering the stem partially or wholly

A

monocotyledons

162
Q

The ___ help hold the blade to light

A

petiole

163
Q

Long thin flexible petioles allow leaf blades to ____ in wind, thereby ___ the leaf and bringing fresh air to leaf surface

A

flutter, cooling

164
Q

In leaf, a middle prominent vein, which is known as the ____

A

midrib

165
Q

Veins provide ___ to the leaf blade

A

rigidity

166
Q

Veins act as _____ of transport for water, minerals and food materials

A

channels

167
Q

The shape, ____, apex, _____ and extent of incision of lamina varies in diferent leaves

A

margin, surface

168
Q

Leaves of ____ plants generally possess reticulate venation

A

dicotyledonous

169
Q

Parallel venation is the characteristic of most ______

A

monocotyledons

170
Q

A leaf is said to be simple, when its lamina is _____ or when _____ the incisions do not touch the midrib

A

entire, incised

171
Q

A bud is present in the axil of petiole in both ____ and _____ leaves

A

simple, compound

172
Q

A bud is not present in the axil of ____ of the compound leaf

A

leaflets

173
Q

In a ____ compound leaf a number of leaflets are present on the common axis, the rachis

A

pinnately

174
Q

___ represents the midrib of the leaf as in neem

A

Rachis

175
Q

In ____ compound leaves, the leaflets are attached at common point, i.e. at the tip of petiole

A

palmately

176
Q

____ is the pattern of arrangement of leaves on the stem or branch

A

Phyllotaxy

177
Q

Phyllotaxy is usually of three types - ___, opposite and _____

A

alternate, whorled

178
Q

In _____ type of phyllotaxy, a single leaf arises at each node in an alternate manner

A

alternate

179
Q

Alternate phyllotaxy is seen in

A

china rose, mustard and sunflower plants

180
Q

In _____ type of phyllotaxy, a pair of leaves arise at each node and lie opposite to each other

A

opposite

181
Q

If more than two leaves arise at a node and form a whorl, it is called ______

A

whorled

182
Q

In some plants such as ______, the leaves are small and short lived

A

Australian acacia

183
Q

The _____ in Australian acacia plants expand, become green and synthesise food

A

petioles

184
Q

Leaves of certain insectivorous plants such as ____ plant, _____ are also modified leaves

A

pitcher, venus - fly trap

185
Q

A ____ is a modified shoot wherein the shoot apical meristem changes to floral meristem

A

flower

186
Q

For a flower to form, ____ do not elongate and the ___ gets condensed

A

internodes, axis

187
Q

The apex produces different kinds of _____ laterally at successive nodes instead of leaves

A

floral appendages

188
Q

The arrangement of flowers on the floral axis is termed as _____

A

inflorescence

189
Q

In racemose type of inflorescence, the flowers are borne laterally in an _____ succession

A

acropetal

190
Q

In cymose type of inflorescence, flowers are borne in a ____ order

A

basipetal

191
Q

A typical flower has _____ different kinds of whorls arranged successively

A

four

192
Q

Name four whorls of flower

A

Calyx, Corolla, Androecium and Gynoecium

193
Q

_____ and ______ are accesory organs of flowers

A

Calyx, corolla

194
Q

____ and _____ are reproductive organs of flower

A

Androecium, gynoecium

195
Q

In some flowers like lily, the calyx and corolla are not distinct and are termed as ____

A

perianth

196
Q

Actinomorphic flowers have ____ symmetry

A

radial

197
Q

Zygomorphic flowers have ____ symmetry

A

bilateral

198
Q

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

199
Q

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

A

zygomorphic

200
Q

Give an example of asymmetric flower

A

Canna

201
Q

A flower may be _____, _____ or pentamerous when floral appendages are in multiple of 3, 4 or 5 respectively

A

trimerous, tetramerous

202
Q

Based on the position of calyx, corolla and androecium in respect of the ovary on thalamus, the flowers are described as _____, _____ and epigynous

A

hypogynous, perigynous

203
Q

The ovary in ____ flower is said to be superior

A

hypogynous

204
Q

Give examples of hypogynous flower

A

mustard, china rose and brinjal

205
Q

The ovary in _____ flower is said to be inferior

A

Epigynous

206
Q

Give examples of perigynous flower

A

plum, rose, peach

207
Q

The ____ is the outermost whorl of the flower

A

calyx

208
Q

The members of calyx are called _____

A

sepals

209
Q

Generally, sepals are green leaf like and protects the ___ in the bud stage

A

flower

210
Q

Corolla is composed of ___

A

petals

211
Q

Petals are usually brightly coloured to attract ____ for pollination

A

insects

212
Q

Corolla is called _____ when petals are free

A

polypetalous

213
Q

Mark A, B and C in the given figure

A

A - Tap
B - fibrous
C - Adventitious

214
Q

Mark A, B and C in the following figure

A

A - Region of Maturation
B - Region of Elongation
C - Region of Meristematic activity

215
Q

Identify the type of root modification shown in the figure

A

Prop roots

216
Q

Identify the purpose of root modification in the following figures

A

Storage

217
Q

Identify the root modification shown in the figure

A

Pneumatophore

218
Q

Identify the stem modification shown in the figure

A

Tendril

219
Q

Identify the stem modification in the figure

A

Thorn

220
Q

Mark A, B, C, D and E in the given figure

A

A - lamina
B - stipule
C - leaf base
D - Petiole
E - axillary bud

221
Q

Mark A and B in the given figure

A

A - Reticulate venation
B - Parallel venation

222
Q

Mark A and B in the Figure

A

A - Pinnately compound Leaf
B - Palmately compound leaf

223
Q

Mark A, B and C in the given figure

A

A - Alternate
B- Opposite
C - Whorled

224
Q

Mark A, B and C in the given figure

A

A - Tendril
B - Spine
C - Fleshy leaves

225
Q

Identify the type of inflorescence given in the figure

A

Cymose

226
Q

Mark A, B, C and D in the given figure

A

A - Hypogynous
B and C - Perigynous
D - Epigynous

227
Q

Mark A, B, C and D in the following figure

A

A - Valvate
B - Twisted
C- Imbricate
D - Vexillary

228
Q

Find A, B and C the following figure

A

A - marginal;
B - axile;
C - parietal

229
Q

Find D and E in the following figure

A

D - free Central
E - basal

230
Q

Mark A, B, C and D in the given figure

A

A - epicarp
B - mesocarp
C - seed
D - endocarp

231
Q

Mark A, B and C in the given figure

A

A - seed coat
B - hilum
C - micropyle

232
Q

Mark A, B and C in the given figure

A

A - cotyledons
B - plumule
C - radicle

233
Q

Mark A and B in the given figure

A

A - endosperm
B - embryo

234
Q

Mark A, B, C, D, E, F, G and H in the given figure

A

A - seed coat and fruit wall
B - aleurone layer
C - endosperm
D - scutellum
E - coleoptile
F - plumule
G - radicle
H - coleorhiza

235
Q

Identify A, B, C, D, E, F, G, H and I in the given figure

A

A - flower
B - fruit
C - stem
D - leaf
E - node
F - internode
G - bud
H - primary root
I - secondary root

236
Q

Mark A, B and C in the given figure

A

A - ginger
B - zaminkand
C - potato

237
Q

Mention the plant and structure A shown in the given figure

A

Plant oxalis A - roots arising from nodes

238
Q

Identify the type of inflorescence given in the figure

A

racemose

239
Q

Identify A, B, C, D and E in the given figure

A

A -androecium
B - gynoecium
C - corolla
D - calyx
E - pedicel

240
Q

Identify A, B, C and D in the given figure

A

A - calyx
B - corolla
C - androecium
D - gynoecium

241
Q

Corolla is called _____ when petals are united

A

gamopetalous

242
Q

The _____ and ______ of corolla vary greatly in plants

A

Shape, colour

243
Q

Corolla may be tubular, ____, _____ or wheel-shaped

A

Bell-shaped, funnel-shaped

244
Q

The mode of arrangement of sepals or petals in floral bud with respect to other members of the same whorl is known as ______

A

aestivation

245
Q

Example of Imbricate aestivation are

A

Cassia, gulmohur

246
Q

In pea and bean flowers, there are five petals, the largest (_____) overlaps the two lateral petals (______) which in turn overlap the two smallest anterior petals (kneel)

A

Standard; wings

247
Q

______ is composed of stamens

A

Androecium

248
Q

Each stamen which represents the male reproductive organ consists of a ____ or a _____ and an ____

A

Stalk; filament and anther

249
Q

Each anther is usually ____ and each lobe has two chambers, the pollen-sacs

A

Bilobed

250
Q

The ______ are produced in pollen-sacs

A

Pollen grains

251
Q

Monoadelphous stamens are found in ____

A

China rose

252
Q

Diadelphous stamens are found in ______

A

pea

253
Q

Polyadelphous stamens are found in _____

A

citrus

254
Q

_______ is the female reproductive part of the flower

A

Gynoecium

255
Q

Gynoecium is made up of one or more ____

A

carpels

256
Q

A carpel consists of three parts namely ____, _____ and _____

A

Stigma, style and ovary

257
Q

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

A

Ovary

258
Q

The ______ connects the ovary to the stigma

A

style

259
Q

The ______ is usually at the tip of the style and is the receptive surface for pollen grains

A

stigma

260
Q

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

A

placenta

261
Q

Examples of plant which contain apocarpous carpels are ______

A

Lotus and rose

262
Q

After fertilization, the ovules develop into ____ and the ovary matures into a ______

A

Seeds; fruit

263
Q

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

264
Q

Ovary is one chambered but it becomes two chambered due to the formation of the false septum in ______ placentation

A

Parietal

265
Q

The _____ is a characteristic feature of the flowering plants

A

fruit

266
Q

Fruit is a mature or ripened ovary, developed after _______

A

Fertilization

267
Q

Generally, the fruit consists of a wall or ____ and seeds

A

pericarp

268
Q

The pericarp may be ____ or ____

A

Dry, fleshy

269
Q

When pericarp is thick and fleshy, it is differentiated into the outer ____, the middle ____ and the inner ____

A

Epicarp, mesocarp, endocarp

270
Q

In mango the pericarp is well differentiated into an outer ____ epicarp

A

thin

271
Q

In mango the pericarp is well differentiated into middle _____ edible mesocarp

A

fleshy

272
Q

In mango the pericarp is well differentiated into an inner _____ endocarp

A

Stony hard

273
Q

In coconut which is also a drupe, the mesocarp is _____

A

fibrous

274
Q

The _____ after fertilization, develops into seeds

A

ovules

275
Q

A seed is made up of a ___ and an ______

A

Seed coat, embryo

276
Q

The embryo is made up of a ______, an ____ and one or two ______

A

Radicle, embryonal axis, cotyledons

277
Q

Plants such as _____ have one cotyledon

A

Wheat, maize

278
Q

Plants such as ______ have two cotyledons

A

Gram, pea

279
Q

The outermost covering of a seed is the ______

A

Seed coat

280
Q

The seed coat has two layer, the outer _____ and the inner ____

A

Testa, tegmen

281
Q

The ____ is a scar on the seed coat through which the developing seeds where attached to the fruit

A

hilum

282
Q

Above the hilum is a small pore called the ____

A

micropyle

283
Q

Within the seed coat is the ____

A

embryo

284
Q

The _____ are often fleshy and full of reserve food materials

A

Cotyledons

285
Q

At the two ends of the embryonal axis are present the ____ and the ____

A

Radicle, plumule

286
Q

Generally, monocotyledonous seeds are endospermic but some as in _____ are non-endospermic

A

orchids

287
Q

In the seeds of cereals such as maize the seed coat is ______ and generally fused with the fruit wall

A

membranous

288
Q

The endosperm is bulky and stores _____

A

food

289
Q

The _____ is small and situated in a groove at one end of the endosperm

A

embryo

290
Q

Monocotyledonous embryo consists of one large and sheild shaped cotyledon known as _____ and a short axis with a plumule and a radicle

A

scutellum

291
Q

The vegetative characters used to describe plants are-

A

Root, stem and leaves

292
Q

The floral characters used to describe plants are:

A

Inflorescence and floral parts

293
Q

After describing various parts of plant, a floral ____ and a floral ____ are presented

A

Diagram; formula

294
Q

% in a floral formula stand for

A

zygomorphic

295
Q

_____ is indicated by enclosing the figure within bracket

A

Fusion

296
Q

______ is indicated by a line drawn above the symbols of the floral parts

A

Adhesion

297
Q

A ______ provides information about the number of parts of a flower, their arrangement and the relation they have with one another

A

Floral diagram

298
Q

Floral formula also shows ____ and _____ within parts of whorls and between whorls

A

Cohesion, adhesion

299
Q

Mention characteristics of stem found in Fabaceae family

A

Erect or climber

300
Q

Mention characteristics of leaves found in Fabaceae family

A
301
Q

Mention characteristics of flowers found in Fabaceae family

A

Bisexual, zygomorphic

302
Q

Mention characteristics of calyx found in Fabaceae family

A

Sepals five, gamosepalous, valvate/Imbricate aestivation

303
Q

Mention characteristics of corolla found in Fabaceae family

A

Petals five, polypetalous, papilionaceous, Vexillary aestivation

304
Q

Mention characteristics of androecium found in Fabaceae family

A

Ten, diadelphous, anther dithecous

305
Q

Mention characteristics of gynoecium found in Fabaceae family

A

Ovary superior, mono carpellary, unilocular with many ovules, style single

306
Q

Mention characteristics of fruits found in Fabaceae family

A

Legume

307
Q

Example of Plant in Fabaceae family that are source of pulses are

A

Gram, arhar, sem, moong, soyabean

308
Q

Example of Plant in Fabaceae family that are source of edible oil are

A

Soyabean, groundnut

309
Q

Example of Plant in Fabaceae family that are source of fodder are

A

Sesbania, trifolium

310
Q

Example of Plant in Fabaceae family that are source of ornamental are

A

Lupin, sweet pea

311
Q

Which family is widely distributed in tropics, subtropics and even temperate zones?

A

Solanaceae

312
Q

Mention characteristics of stems found in Solanaceae family

A

Herbaceous rarely woody, aerial; erect, cylindrical, branched, solid or hollow, hairy or glabrous, underground stem in potato (Solanum tuberosum)

313
Q

Mention characteristics of leaves found in Solanaceae family

A

Alternate, simple, rarely pinnately compound, exstipulate, venation reticulate

314
Q

Mention characteristics of inflorescence found in Solanaceae family

A

Solitary, axillary or cymose as in Solanum

315
Q

Mention characteristics of flower found in Solanaceae family

A

Bisexual, actinomorphic

316
Q

Mention characteristics of calyx found in Solanaceae family

A

Sepals five, united, persistent, valvate aestivation

317
Q

Mention characteristics of corolla found in Solanaceae family

A

Petals five, united, valvate aestivation

318
Q

Mention characteristics of androecium found in Solanaceae family

A

Stamens five, epipeatlous

319
Q

Mention characteristics of gynoecium found in Solanaceae family

A

Bicarpellary obligately placed, syncarpous,ovary superior, bilocular, placenta swollen with many ovules, axile

320
Q

Mention characteristics of fruits found in Solanaceae family

A

Berry or capsule

321
Q

Mention characteristics of seeds found in Solanaceae family

A

Many, endospermous

322
Q

Example of plant in solanaceae family that are source of food are

A

Tomato, brinjal, potato

323
Q

Commonly called the ‘Lily family’. Liliaceae is a characteristic representative of _____ plants

A

Monocotyledonous

324
Q

Liliaceae family is also known as

A

Lily family

325
Q

Mention vegetative characteristics of Liliaceae family

A

Perennial herbs with underground bulbs/ corms/ rhizomes

326
Q

Mention characteristics of leaves found in Liliaceae family

A

Mostly basal, alternate, linear, exstipulate with parallel venation

327
Q

Mention characteristics of inflorescence found in Liliaceae family

A

Solitary/cymose, often umbellate clusters

328
Q

Mention characteristics of flower found in Liliaceae family

A

Bisexual, actinomorphic

329
Q

Mention characteristics of perianth found in Liliaceae family

A

Tepals six (3+3), often united into tube; valvate aestivation

330
Q

Mention characteristics of androecium found in Liliaceae family

A

Stamens six, 3+3, epipetalous

331
Q

Mention characteristics of gynoecium found in Liliaceae family

A
332
Q

Mention characteristics of fruits found in Liliaceae family

A

Capsule, rarely berry

333
Q

Mention characteristics of seed found in Liliaceae family

A

endospermous

334
Q

Scientific name of colchicine is

A

Colchicum autumnale

bio flashcards 2024 (8 decks)

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