Class 11/Question Bank
Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Questions on Morphology of Flowering Plants
Instructions: Choose the correct answer from the given options.
Which of the following is NOT a characteristic of roots? a) Non-green b) Underground c) Positively phototropic d) Positively geotropic
Tap root system is found in: a) Monocotyledonous plants b) Dicotyledonous plants c) Both monocots and dicots d) Neither monocots nor dicots
Fibrous root system is characteristic of: a) Mustard b) Gram c) Wheat d) Carrot
Adventitious roots arise from: a) Radicle only b) Any part of plant except radicle c) Primary root only d) Secondary roots only
Conical root modification is found in: a) Radish b) Carrot c) Turnip d) Sweet potato
Fusiform root is seen in: a) Carrot b) Radish c) Turnip d) Sweet potato
Napiform root modification is found in: a) Carrot b) Radish c) Turnip d) Sweet potato
Tuberous roots are seen in: a) Carrot b) Radish c) Sweet potato d) Turnip
Prop roots are found in: a) Maize b) Banyan tree c) Sugarcane d) Rhizophora
Stilt roots are characteristic of: a) Banyan tree b) Maize c) Rhizophora d) Carrot
Pneumatophores are found in: a) Desert plants b) Aquatic plants c) Plants in swampy areas d) Mountain plants
Pneumatophores help in: a) Storage b) Support c) Respiration d) Reproduction
Underground stem modification for storage is seen in: a) Potato b) Ginger c) Garlic d) All of the above
Rhizome is found in: a) Potato b) Ginger c) Garlic d) Colocasia
Bulb is the underground stem of: a) Potato b) Ginger c) Garlic d) Colocasia
Corm is found in: a) Potato b) Ginger c) Garlic d) Colocasia
Stem tendrils are found in: a) Peas b) Cucumber c) Cacti d) Bougainvillea
Thorns develop from: a) Leaves b) Roots c) Axillary buds d) Terminal buds
Flattened photosynthetic stems are found in: a) Opuntia b) Euphorbia c) Citrus d) Bougainvillea
Runners are found in: a) Potato b) Oxalis c) Ginger d) Garlic
The primary function of leaves is: a) Support b) Storage c) Photosynthesis d) Reproduction
In a simple leaf: a) Incisions reach the midrib b) Incisions do not touch the midrib c) Leaflets are present d) Rachis is present
Pinnately compound leaf has: a) Leaflets attached at petiole tip b) Leaflets on rachis c) No leaflets d) Parallel venation
Palmately compound leaf is found in: a) Neem b) Silk cotton c) Rose d) Mango
Alternate phyllotaxy is seen in: a) China rose b) Calotropis c) Guava d) Alstonia
Opposite phyllotaxy is found in: a) Mustard b) Calotropis c) China rose d) Alstonia
Whorled phyllotaxy is seen in: a) Mustard b) Calotropis c) Guava d) Alstonia
Leaf tendrils are found in: a) Peas b) Cucumber c) Cacti d) Gourds
Leaf spines are modifications seen in: a) Peas b) Cacti c) Onion d) Pitcher plant
Insectivorous leaves are found in: a) Onion b) Garlic c) Pitcher plant d) Peas
In racemose inflorescence: a) Main axis terminates in flower b) Main axis continues to grow c) Flowers are basipetal d) Growth is limited
Acropetal succession means: a) Older flowers at top b) Younger flowers at base c) Older flowers at base d) No definite order
Cymose inflorescence is found in: a) Radish b) Mustard c) Jasmine d) All of the above
Basipetal order means: a) Older flowers at base b) Younger flowers at top c) Older flowers at top d) Random arrangement
Racemose inflorescence is seen in: a) Jasmine b) Calotropis c) Mustard d) All of the above
How many whorls are present in a typical flower? a) Two b) Three c) Four d) Five
The outermost whorl of flower is: a) Corolla b) Calyx c) Androecium d) Gynoecium
Sepals are part of: a) Corolla b) Calyx c) Androecium d) Gynoecium
Petals form the: a) Corolla b) Calyx c) Androecium d) Gynoecium
Stamens are part of: a) Corolla b) Calyx c) Androecium d) Gynoecium
Carpels form the: a) Corolla b) Calyx c) Androecium d) Gynoecium
Actinomorphic flower is found in: a) Pea b) Gulmohar c) Mustard d) Bean
Zygomorphic flower is seen in: a) Mustard b) Datura c) Pea d) Chilli
In valvate aestivation: a) Petals overlap b) Petals just touch at margins c) One margin overlaps next d) No definite pattern
Twisted aestivation is found in: a) Calotropis b) China rose c) Cassia d) Pea
Imbricate aestivation is seen in: a) Calotropis b) China rose c) Cassia d) Lady's finger
Vexillary aestivation is characteristic of: a) Calotropis b) China rose c) Cassia d) Pea
Each stamen consists of: a) Filament only b) Anther only c) Filament and anther d) Stigma and style
Parts of carpel are: a) Stigma, style, ovary b) Filament, anther c) Sepals, petals d) Calyx, corolla
Marginal placentation is found in: a) Pea b) Tomato c) Mustard d) Sunflower
Axile placentation is seen in: a) Pea b) Tomato c) Mustard d) Sunflower
Parietal placentation is found in: a) Pea b) Tomato c) Mustard d) Sunflower
Free central placentation is seen in: a) Dianthus b) Tomato c) Mustard d) Sunflower
Basal placentation is found in: a) Pea b) Tomato c) Mustard d) Sunflower
Which root modification helps in climbing? a) Prop roots b) Stilt roots c) Pneumatophores d) None of the above
Potato is a modified: a) Root b) Stem c) Leaf d) Flower
Onion bulb consists of: a) Modified roots b) Modified stems c) Modified leaves d) Modified flowers
The arrangement of flowers on floral axis is called: a) Phyllotaxy b) Inflorescence c) Aestivation d) Placentation
Photosynthetic stems are adaptations for: a) Desert conditions b) Aquatic conditions c) Swampy conditions d) Mountain conditions
Sweet potato is a modification of: a) Tap root b) Fibrous root c) Adventitious root d) Aerial root
Maize has: a) Tap root system b) Fibrous root system c) Adventitious root system d) Mixed root system
Banyan tree has: a) Prop roots b) Stilt roots c) Pneumatophores d) Tuberous roots
Ginger is a: a) Tuber b) Rhizome c) Bulb d) Corm
Leaf tendrils help in: a) Storage b) Support c) Protection d) Photosynthesis
China rose shows: a) Alternate phyllotaxy b) Opposite phyllotaxy c) Whorled phyllotaxy d) Spiral phyllotaxy
Neem has: a) Simple leaves b) Pinnately compound leaves c) Palmately compound leaves d) Trifoliate leaves
In mustard flower, aestivation is: a) Valvate b) Twisted c) Imbricate d) Vexillary
Stamens and carpels are: a) Vegetative parts b) Reproductive parts c) Accessory parts d) Supporting parts
Sepals are usually: a) Colored b) Green c) Absent d) Fused
Petals are usually: a) Green b) Colored c) Absent d) Modified
Rhizophora shows: a) Prop roots b) Stilt roots c) Pneumatophores d) Tuberous roots
Strawberry shows: a) Tubers b) Rhizomes c) Runners d) Bulbs
Bougainvillea has: a) Tendrils b) Thorns c) Spines d) Hooks
Venus flytrap has: a) Storage leaves b) Insectivorous leaves c) Leaf tendrils d) Leaf spines
Garlic shows: a) Fleshy leaves b) Compound leaves c) Insectivorous leaves d) Leaf tendrils
Calotropis shows: a) Alternate phyllotaxy b) Opposite phyllotaxy c) Whorled phyllotaxy d) Spiral phyllotaxy
Alstonia shows: a) Alternate phyllotaxy b) Opposite phyllotaxy c) Whorled phyllotaxy d) Spiral phyllotaxy
Jasmine has: a) Racemose inflorescence b) Cymose inflorescence c) Solitary flowers d) Clustered flowers
Datura flower is: a) Actinomorphic b) Zygomorphic c) Asymmetric d) Irregular
Bean flower is: a) Actinomorphic b) Zygomorphic c) Asymmetric d) Regular
Lady's finger shows: a) Valvate aestivation b) Twisted aestivation c) Imbricate aestivation d) Vexillary aestivation
Gulmohar shows: a) Valvate aestivation b) Twisted aestivation c) Imbricate aestivation d) Vexillary aestivation
Standard, wings, and keel are parts of: a) Calyx b) Corolla c) Androecium d) Gynoecium
Anther contains: a) Pollen grains b) Ovules c) Seeds d) Fruits
Ovary contains: a) Pollen grains b) Ovules c) Seeds d) Fruits
China rose shows: a) Marginal placentation b) Axile placentation c) Parietal placentation d) Basal placentation
Lemon shows: a) Marginal placentation b) Axile placentation c) Parietal placentation d) Basal placentation
Argemone shows: a) Marginal placentation b) Axile placentation c) Parietal placentation d) Basal placentation
Primrose shows: a) Marginal placentation b) Axile placentation c) Parietal placentation d) Free central placentation
Marigold shows: a) Marginal placentation b) Axile placentation c) Parietal placentation d) Basal placentation
Colocasia is a: a) Tuber b) Rhizome c) Bulb d) Corm
Euphorbia has: a) Flattened stems b) Fleshy cylindrical stems c) Thorny stems d) Climbing stems
Opuntia has: a) Flattened stems b) Fleshy cylindrical stems c) Thorny stems d) Climbing stems
Pistia shows: a) Tubers b) Rhizomes c) Offsets d) Bulbs
Eichhornia shows: a) Tubers b) Rhizomes c) Offsets d) Bulbs
Sugarcane has: a) Prop roots b) Stilt roots c) Pneumatophores d) Tuberous roots
Citrus has: a) Tendrils b) Thorns c) Spines d) Hooks
Gourds have: a) Leaf tendrils b) Stem tendrils c) Root tendrils d) Floral tendrils
Grapevines have: a) Leaf tendrils b) Stem tendrils c) Root tendrils d) Floral tendrils
Monstera shows: a) Tap root system b) Fibrous root system c) Adventitious root system d) Mixed root system
Instructions: Answer in one sentence or a few words.
Instructions: Answer in 2-3 sentences.
Instructions: Answer in 4-5 sentences with proper explanations.
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