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Biology 1 > Chapter 4 - Morphology Of Flowering Plants > Flashcards

Chapter 4 - Morphology Of Flowering Plants Flashcards

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1
Q

In dicots ,direct elongation of _______ leads to the formation of PRIMARY ROOTS .

A

RADICLE

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2
Q

Which root system is present in MUSTARD plant -

A

Tap root system

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3
Q

The ________ root and its branches constitute the tap root system .

A

Primary

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4
Q

In _______ , primary root is short lived .

A

Monocots

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5
Q

From where does the FIBROUS root system originate ?

A

From the base of the stem

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6
Q

In monocots , primary roots are replaced by -

A

Fibrous roots

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7
Q

Type of roots present in grasses -

A

Adventitious

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8
Q

Type of roots present in MONSTERA

A

Adventitious

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9
Q

Banyan tree has _____ roots .

A

Adventitious

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10
Q

Wheat has _______ root system .

A

Fibrous

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11
Q

Do roots synthesise plant growth regulators ?

A

Yes

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12
Q

Root cap is present at the ______ of the root .

A

Apex

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13
Q

A few millimetres above the root cap is present ______ .

A

The region of meristematic activity

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14
Q

The region of root whose CELLS ARE VERY SMALL , THIN-WALLED AND WITH DENSE PROTOPLASM .

A

Region of meristematic activity

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15
Q

The cells of this region of root divide rapidly .

A

Region of meristematic activity

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16
Q

Region of root responsible of growth of root in length and enlargement

A

Region of Elongation

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17
Q

Cells of _____________ region of root gradually differentiate and mature

A

Region of Elongation

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18
Q

The Region of root from which epidermal cells form root hair

A

Region of Maturation

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19
Q

_____ roots of carrot , turnip get modified to store food .

A

Tap

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20
Q

_________ roots of sweet potato get swollen to store food .

A

Adventitious

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21
Q

Stems of maize and sugarcane shave ________ roots .

A

Stilt

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22
Q

Supporting roots which come out of the lower nodes of the stem -

A

Stilt roots

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23
Q

Banyan has _______ roots.

A

Prop

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24
Q

Roots which help to oxygen for respiration -

A

Pneumatophores

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25
Q

______ bears nodes and internodes .

A

Stem

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26
Q

_____ of Zaminkand is modified to store food in them .

A

Underground stem

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27
Q

________ of Colocasia are modified to store food in them .

A

Underground stem

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28
Q

________ of turmeric is modified to store food in them .

A

Underground stem

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29
Q

They also act as organs of perrennation to tide over conditions unfavourable for growth -

A

Underground stems ( of potato , ginger, turmeric ,zaminkand , colocasia )

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30
Q

Stem tendrils develop from ________ .

A

Axillary bud

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31
Q

Stem tendrils are found in -

A 
All GOURDS (watermelon , pumpkin , cucumber ) and 
GRAPEVINES
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32
Q

Watermelon has _______ tendril .

A

Stem

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33
Q

Cucumber has ______ tendril .

A

Stem

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34
Q

Grapevines have ______ tendrils .

A

Stem

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35
Q

_______ of stems may get modified into thorns .

A

Axillary buds

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36
Q

Thorns of citrus are modifications of -

A

Stem

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37
Q

Thorns of bougainvillea are modifications of

A

Stem

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38
Q

Stem of bougainvillea is modified into -

A

Thorns

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39
Q

Stem of citrus is modified into -

A

Thorn

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40
Q

Stem of pumpkin is modified into -

A

Tendrils

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41
Q

Stem of grapevine is modified into -

A

Tendril

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42
Q

Plants in arid region modify their stems into flattened structures as in -

A

Opuntia

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43
Q

Plant of arid region which modifies its stem into FLESHY CYLINDRICAL structure -

A

Euphorbia

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44
Q

Modified _______ of opuntia carries out photosynthesis .

A

Stem

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45
Q

_________ of grasses spread to new niches and form new plants .

A

Underground stem

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46
Q

Underground stem of _______ and _________ spread to new niches and when older parts die ,new plants are formed .

A

Grass ad strawberry

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47
Q

In ______ and _______ , lateral branch arises from the base of the main axis and after growing aerially for sometime arch downward to touch ground .

A

Mint and

JASMINE

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48
Q

A lateral branch with SHORT INTERNODES and each NODE BEARING A ROSSETTE OF LEAVES and a tuft of roots is found in AQUATIC PLANTS like _________ and ___________ .

A

Pistil

Eichhornia

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49
Q

In ___ , _______ and _______ lateral branches originate from the basal and underground portion of the main STEM ,grow horizontally beneath the soil and then come out obliquely upwards giving rise to LEAFY SHOOTS .

A

BANANA
PINEAPPLE
CHRYSANTHEMUM

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50
Q

The axillary bud which is formed at the axillary the leaf later develops into a ______ .

A

Branch

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51
Q

Leaves originate from the _______ meristem and are arranged in an _______ order .

A

SHOOT APICAL

Acropetal

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52
Q

Leaves are the most important vegetative organs for photosynthesis .T/F

A

T

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53
Q

The leaf is attached to the stem by ________.

A

Leaf base

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54
Q

The leaf bears 2 small lateral leaf like structures called -

A

Stipules

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55
Q

In _________ plants the LEAF BASE expands into a sheath covering the stem partially .

A

Monocot

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56
Q

In leguminous plants , the _______ becomes swollen and is called PULVINUS .

A

Leaf base

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57
Q

The _____ helps hold the leaf blade to light .

A

Petiole

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58
Q

The ______ is the green expanded part of the leaf with VEINS and VEINLETS .

A

Lamina or leaf blade

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59
Q

Lamina has a middle ________ which is also called midrib

A

Vein

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60
Q

_________ provide rigidity to the leaf and act as channels of transport for water , minerals and food material .

A

Veins

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61
Q

_________ venation is characteristic of monocots .

A

Parallel

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62
Q

Reticulate venation is characteristic of __________ .

A

Dicots

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63
Q

A leaf is said to be _______ when the lamina is incised but the incisions do not reach the midrib ,

A

Simple

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64
Q

A bud is present in the axil of petiole in simple/compound leaves .

A

Both

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65
Q

A bud is present in the axil of LEAFLETS in simple / compound leaves .

A

Only simple ( not compound )

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66
Q

When the incisions of lamina reach to the midrib , it is called a ______ leaf .

A

Compound

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67
Q

Give an example of pinnately compound leaf -

A

Neem

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68
Q

In ________ leaf , a number of leaflets are present on the common axis , RACHIS which represents the midrib .

A

Pinnately compound leaf

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69
Q

Silk cotton is an example of ________ compound leaf .

A

Palmately

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70
Q

In _________ the leaflets are attached at a common point i,e,. At the tip of petiole (ex - silk cotton ) .

A

Palmately compound leaf

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71
Q

The pattern of arrangement of leaves on the stem or branch is called -

A

Phyllotaxy

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72
Q

_______ type of phyllotaxy is found in china rose .

A

Alternate

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73
Q

_______ type of phyllotaxy is found in sunflower plant .

A

Alternate

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74
Q

_______ type of phyllotaxy is found in calotropis .

A

Opposite

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75
Q

_______ type of phyllotaxy is found in mustard .

A

Alternate

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76
Q

_______ type of phyllotaxy is found in guava .

A

Opposite

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77
Q

_______ type of phyllotaxy is found in alstonia .

A

Whorled

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78
Q

Give 3 examples in which alternate phyllotaxy is found .

A

China rose , mustard , sun flower

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79
Q

In ______ phyllotaxy , a single leaf arises at ach node .

A

Alternate

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80
Q

________ of peas are modified into tendrils for climbing .

A

Leaves 🍁

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81
Q

Spines of cacti are modified form of _________ .

A

Leaves 🍁

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82
Q

The fleshy _________ of onion and garlic store food .

A

Leaves 🍁

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83
Q

In plants such as ________ leaves are small and short lived .

A

Australian Acacia

84
Q

Give an example of a plant in which LEAVES are modified into TENDRILS .

A

PEA

85
Q

The _______ in Australian Acacia expand become green and synthesise food .

A

Petiole ( becoz leaves are short lived )

86
Q

In flowers , ______ changes to floral meristem .

A

Shoot apical meristem

87
Q

In flowers _______ do not elongate and the axis gets condensed . In

A

Internodes

88
Q

When a shoot tip transforms into a flower it is always _______.

A

Solitary

89
Q

In _______ inflorescence , the main axis continues to grow .

A

Racemose ( acropetal )

90
Q

Growth is limited in _________ inflorescence . The main axis terminates in flower .

A

Cymose (basipetal )

91
Q

The reproductive unit in angiosperms is -

A

Flower

92
Q

Name a plant in which calyx and corolla are not distinct and are called perianth

A

Lily

93
Q

When a flower can be divided into two similar halves only in one particular plane , the symmetry is called-

A

Zygomorphic

94
Q

Symmetry of CASSIA -

A

Zygomorphic

95
Q

Symmetry of Gulmohar -

A

Zygomorphic

96
Q

Symmetry of bean

A

Zygomorphic

97
Q

Symmetry of datura

A

Actinomorphic

98
Q

Symmetry of mustard -

A

Actinomorphic

99
Q

Symmetry of chilli -

A

Actinomorphic

100
Q

Symmetry of CANNA -

A

Asymmetric

101
Q

Flowers with ______ leaf found at the BASE OF PEDICLE are called bracteate .

A

Bract -reduced leaf 🍃

102
Q

Ovary is superior in ______ condition .

A

Hypogynous

103
Q

Based on position of ovary , MUSTARD is -

A

Hypogynous

104
Q

Based on position of ovary , BRINJAL is -

A

Hypogynous

105
Q

Based on position of ovary , CHINA ROSE is -

A

Hypogynous

106
Q

Based on position of ovary , rose is -

A

Perigynous

107
Q

Based on position of ovary , PLUM and peach are-

A

Perigynous

108
Q

Based on position of ovary , GUAVA is -

A

Epigynous

109
Q

Based on position of ovary , cucumber is -

A

Epigynous

110
Q

Based on position of ovary , RAY FLORETS OF SUNFLOWER ARE -

A

EPIGYNOUS

111
Q

When parts of flower are located on the rim of the thalamus , almost at the same level as ovary -

A

Perigynous

112
Q

In perigynous condition , ovary is half ________ .

A

Inferior

113
Q

Outermost whorl of the flower -

A

Calyx

114
Q

The calyx is said to be _________ when sepals are united

A

Gamosepalous

115
Q

The calyx is said to be _________ when sepals are free .

A

Polysepalous

116
Q

In a flower _______ may be TUBULAR , BELL-SHAPED, FUNNEL-SHAPED or WHEEL SHAPED .

A

Corolla

117
Q

Mode of arrangement of sepals or petals with respect to other members of the same whorl is called -

A

Aestivation

118
Q

When sepals and petals just touch one another without overlapping , the aestivation is called -

A

Valvate

119
Q

If one margin of the appendages overlap that of the next one and so on , the aestivation is called -

A

Twisted

120
Q

If the margins of sepals overlap one another but not in any particular direction , the aestivation is called -

A

Imbricate

121
Q

Vexillary aestivation is also called -

A

Paplionaceous

122
Q

Aestivation of lady’s finger -

A

Twisted

123
Q

Aestivation of china rose -

A

Twisted

124
Q

Aestivation of cotton -

A

Twisted

125
Q

Aestivation of CALOTROPIS -

A

Valvate

126
Q

Aestivation of CASSIA -

A

Imbricate

127
Q

Aestivation of GULMOHAR -

A

Imbricate

128
Q

Aestivation of bean , pea -

A

Vexillary

129
Q

Each anther has 2 chambers called _________ WHERE POLLEN GRAINS ARE PRODUCED .

A

Pollen sacs

130
Q

When stakes are attached to the petals , the condition is called -

A

Epipetallous

131
Q

When stamens are attached to the perianth , the condition is called -

A

Epiphyllous

132
Q

Give an example of an EPIPETALLOUS PLANT -

A

Brinjal

133
Q

Give an example of an EPIPHYLLOUS plant -

A

Lily

134
Q

In china rose , stamens are united in how many bundles -

A

Monadelphous -one bundle

135
Q

Polyadelphous ( stamens united in more than 2 bundles ) condition is seen in -

A

Citrus

136
Q

Give 2 examples in which there is a variation in the length of the FILAMENT within a flower -

A

SALVINIA

MUSTARD

137
Q

The ovules in an ovary are attached to the flattened _________ .

A

Placenta

138
Q

When the CARPELS present in a flower are free , the condition is called -

A

Apocarpous

139
Q

When the carpels are fused , the condition is called -

A

Syncarpous

140
Q

Carpels in MUSTARD are fused or free -

A

Fused -syncapous

141
Q

Type of carpels in TOMATO -

A

Fused - syncarpous

142
Q

Carpels in ROSE are free /fused -

A

Free - apocarpous

143
Q

Carpels in LOTUS are free / fused -

A

Free - apocarpous

144
Q

After fertilization , ovules develop into _______ and ovary into ______.

A

Seeds

Fruit

145
Q

Type of placentation in which the placenta forms a ridge along the ventral suture of ovary and ovules are borne on this ridge forming 2 rows -

A

Marginal -pea

146
Q

Type of placentation in tomato -

A

Axile

147
Q

Type of placentation in china rose -

A

Axile

148
Q

Type of placentation in lemon -

A

Axile

149
Q

Type of placentation in mustard -

A

Parietal

150
Q

Type of placentation in ARGEMONE -

A

Parietal

151
Q

Type of placentation in DIANTHUS -

A

Free central

152
Q

Type of placentation in PRIMROSE -

A

Free central

153
Q

Type of placentation in MARIGOLD -

A

Basal

154
Q

Type of placentation in sunflower -

A

Basal

155
Q

Type of placentation in which ovules are borne on the CENTRAL AXIS and SEPTA ARE ABSENT -

A

Free central

156
Q

Type of placentation in which ovules develop on the inner walls of the ovary or on peripheral parts -

A

Parietal

157
Q

Type of placentation in which ovary is 1 -chambered but becomes 2 -chambered due to the formation of false septum -

A

Parietal

158
Q

Type of placentation in which placenta develops at the base of the ovary and a SINGLE OVULE is attached to it -

A

Basal

159
Q

If a fruit is formed without fertilisation of the ovary , it is called _____________ fruit .

A

Parthenocarpic

160
Q

The pericarp of fruits Is differentiated into outer _______ , middle _______ and inner _______ .

A

Epicarp
Mesocarp
Endocarp

161
Q

In MANGO 🥭 an COCONUT 🥥 , the fruit is called _________________ .

A

DRUPE

162
Q

Drupes ( mango 🥭 and coconut 🥥 ) develop from __________ ovaries .

A

Monocarpellary superior ovaries

163
Q

The edible part of mango is -

A

Middle fleshy MESOCARP

164
Q

Kind of endocarp in mango 🥭 -

A

Stony and hard ( forms a coating over the seed )

165
Q

The kind of mesocarp in COCONUT 🌴 🥥

A

Fibrous

166
Q

A seed is made up of _______ and ______ .

A

Seed coat And embryo

167
Q

The embryo is made up of _____ , ________ and _______ .

A

Radicle
Embryonal axis
Cotyledons

168
Q

Inner layer of seed coat is called-

A

Tegmen

169
Q

The ______ is a scar on the seed coat through which the developing seeds were attached to the fruit .

A

Hilum

170
Q

Above the hilum ,there is a small pore called called ______.

A

Micropyle

171
Q

Location of micropyle in dicots -

A

Above hilum

172
Q

Within the ______ is the embryo in dicot seeds .

A

Seed coat

173
Q

At the 2 ends of the _________ are present the radicle nd plumule .

A

Embryonal axis

174
Q

Castor is a monocot or dicot -

A

Dicot - it is an exceptional dicot because it is endospermic whereas most dicots are non-endospermic

175
Q

Castor is endospermic or non- endospermic -

A

Endospermic

176
Q

Pea is endospermic or non-endospermic -

A

Non-endospermic

All dicots are non-endospermic except castor

177
Q

Gram and bean are endospermic or non-endospermic -

A

Non-endospermic

178
Q

Monocot seeds are generally endo or non- endospermic ?

A

Endospermic

Exception- ORCHID is non-endospermic

179
Q

In the seeds of cereals such as maize ,the seed coat is _________ and fused with the fruit wall .

A

Membranous

180
Q

In mononcots , the _______ is bulky and stores food

A

Endosperm

181
Q

The outer covering of endosperm separates the ________ by a protenacious layer called ALEURONE layer . (In monocots )

A

Embryo

182
Q

Embryo is SMALL AND IS SITUATED IN A GROOVE AT ONE END OF THE ENDOSPERM in - dicots/monocots

A

Monocots

183
Q

Location of embryo in monocots -

A

It is situated in a groove at one end of the endosperm .

184
Q

The EMBRYO of monocots consists of a large ______ shaped cotyledon known as scutellum .

A

Shield

185
Q

The family fabaceae was earlier called -

A

Paplionadeae

186
Q

Papilionaoideae is now a sub-family under the family - __________

A

Leguminoseae

187
Q

Floral formula of leguminosaea / fabacaea -

A

% hermaphrodite K(5) C1+2+(2) A(9)+1 G_1

188
Q

Inflorescence of family leguminoseae -

A

Racemose

189
Q

In leguminosaea ,aestivation of corolla is -

A

Vexillary

190
Q

Indigofera belongs to family-

A

Leguminoseae

191
Q

SESBANIA , TRIFOLIUM belong to family -

A

Leguminoseae

192
Q

Lupin ,sunhemp belong to family-

A

Leguminoseae

193
Q

Inflorescence found in SOLANUM-

A

Cymose

194
Q

Aestivation of corolla in solanaceae-

A

Valvate. - ( aestivation of calyx is also valvate )

195
Q

The fruit of family Solanaceae is called -

A

Berry or capsule

196
Q

The position of ovary in family Solanaceae is __________

A

Hypogynous -superior

197
Q

Medicines -BELADONNA and ASHWAGANDHA belong to which family -

A

Solanaceae

198
Q

Tomato belongs to family-

A

Solanaceae

199
Q

Brinjal belongs to family -

A

Solanaceae

200
Q

The LILY FAMILY is a characteristic representative of ______________ plants .

A

Monocot

201
Q

Underground rhizomes and corms belong o which family -

A

Liliaceae

202
Q

Inflorescence of liliaceae family -

A

Cymose

203
Q

Aestivation of perianth in LIliaceae -

A

Valvate

204
Q

Type of placentation of the ovary in family Liliaceae -

A

Axile

Ovary is superior in all the 3 families

205
Q

Fruit of liliaceaea family is called -

A

Capsule

206
Q

Glorious belongs to family -

A

Liliaceae

207
Q

Colchicine belongs to family -

A

Liliaceaea

Biology 1 (8 decks)

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