NEET Biology Morphology of Plants MCQs Set E

Question:

• a) a(ii), b(iv), c(iii), d(i)
• b) a(ii), b(iv), c(i), d(iii)
• c) a(i), b(ii), c(iii), d(iv)
• d) a(i), b(ii), c(iv), d(iii)

Answer: a(ii), b(iv), c(iii), d(i)

Question: Find out a set of common N₂ fixing fodder plants

• a) Sesbania, Trifolium
• b) Aloe, Gloriosa
• c) Withania, Abrus
• d) Trifolium, Atropa

Answer: Sesbania, Trifolium

Question: Family fabaceae is corcerned with

• a) Diadelphous stamen, marginal placenta and large posterior petal
• b) Diadelphous stamen, marginal placentation, obliquely placed ovary and vexillary corolla
• c) Basal placentation, versatile stamens, spikelet inflorescence
• d) Axile placentation, non-endospermic seed, legume fruit

Answer: Diadelphous stamen, marginal placenta and large posterior petal

Question: Butterfly shaped corolla, monocarpellary ovary and zygomorphic flowers are found in family

• a) Papilionaceae
• b) Graminae
• c) Solanaceae
• d) Caesalpinoideae

Answer: Papilionaceae

Question: Most primitive and advanced families of dicots are respectively

• a) Ranunculaceae and Asteraceae
• b) Solanaceae and Asteraceae
• c) Leguminosae and Poaceae
• d) Asteraceae and Cucurbitaceae

Answer: Ranunculaceae and Asteraceae

Question: Leaves become modified into spines in

• a) Opuntia
• b) Pea
• c) Onion
• d) Silk Cotton

Answer: Opuntia

Question: Keel is the characteristic feature of flower of

• a) Indigofera
• b) Aloe
• c) Tulip
• d) Tomato

Answer:  Indigofera

Question: Perigynous flowers are found in

• a) Rose
• b) Guava
• c) Cucumber
• d) China rose

Answer: Rose

Question:

• a) Petunia
• b) Sesbania
• c) Allium
• d) Brassica

Answer: Petunia

Question: Which one of the following statements is correct?

• a) A proteinaceous aleurone layer is present in maize grain
• b) Mango is a parthenocarpic fruit
• c) The seed in grasses is not endospermic
• d) A sterile pistil is called a staminode

Answer: A proteinaceous aleurone layer is present in maize grain

Question:  An example of edible underground stem is

• a) Potato
• b) Sweet potato
• c) Groundnut
• d) Carrot

Answer: Potato

Question: Placenta and pericarp are both edible portions in

• a) Tomato
• b) Potato
• c) Banana
• d) Apple

Answer:  Tomato

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

• a) Imbricate
• b) Twisted
• c) Valvate
• d) Vexillary

Answer: Imbricate

Question: An aggregate fruit is one which develops from

• a) Multicarpellary apocarpus gynoecium
• b) Multicarpellary superior ovary
• c) Multicarpellary syncarpous gynoecium
• d) Complete inflorescence

Answer:  Multicarpellary apocarpus gynoecium

Question: Non-albuminous seed is produced in

• a) Pea
• b) Wheat
• c) Castor
• d) Maize

Answer: Pea

Question: Seed coat is not thin, membranous in

• a) Coconut
• b) Groundnut
• c)  Gram
• d) Maize

Answer: Coconut

Question: Among bittter 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) Fifteen
• b) Ten
• c) Eighteen
• d) Six

Answer:  Fifteen

Question: In china rose the flower are

• a) Actinomorphic, hypogynous with twisted aestivation
• b) Zygomorphic, epigynous with twisted aestivation
• c) Zygomorphic, hypogynous with imbricate aestivation
• d) Actinomorphic, epigynous with valvate aestivation

Answer: Actinomorphic, hypogynous with twisted aestivation

Question: Placentation in tomato and lemon is

• a) Axile
• b) Parietal
• c) Free central
• d) Marginal

Answer: Axile

Question: Vexillary aestivation is characteristic of the family

• a) Fabaceae
• b) Asteraceae
• c) Brassicaceae
• d) Solanaceae

Answer:  Fabaceae

Question: Phyllode is present in

• a) Australian Acacia
• b) Opuntia
• c) Asparagus
• d) Euphorbia

Answer: Australian Acacia

Question: 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) Three
• b) Two
• c) Four
• d) Five

Answer: Three

Question: Cymose inflorescence is present in

• a) Solanum
• b) Sesbania
• c) Brassica
• d) Trifolium

Answer: Solanum

Question: Which one of the following organisms is correctly matched with its three characteristics ?

• a) Maize : C₃ pathway, Closed vascular bundles, Scutellum
• b) Tomato: Twisted aestivation, Axile placentation, Berry
• c) Onion: Bulb, Imbricate aestivation, Axile placentation
• d) None of these

Answer:  Maize : C₃ pathway, Closed vascular bundles, Scutellum

Question:  How many plants in the list given below have marginal placentation ?

Mustard, Gram, Tulip, Asparagus, Arhar, Sun hemp, Chilli, Colchicine, Onion, Moong, Pea, Tobacco. Lupin

• a) Six
• b) Three
• c) Five
• d) Four

Answer: Six

Question: The 'Eyes' of the potato tuber are

• a) Axillary buds
• b) Root buds
• c) Flower buds
• d) Shoot buds

Answer: Axillary buds

Question: Which one of the following statements is correct?

• a) Flower of tulip is a modified shoot
• b) Seeds of orchids have oil - rich endosperm
• c) In tomato, fruit is a capsule
• d) Placentation in Primose is basal

Answer:  Flower of tulip is a modified shoot

Question: The correct floral formula of chilli is

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: A drupe develops in

• a) Mango
• b) Tomato
• c) Wheat
• d) Pea

Answer: Mango

Question: Flowers are Zygomorphic in

• a) Gulmohur
• b) Tomato
• c) Mustard
• d) Datura

Answer: Gulmohur

Question: Whorled simple leaves with reticulate venation are present in

• a) Alstonia
• b) Calotropis
• c) Neem
• d) China Rose

Answer:  Alstonia

Question: Which one of the following pairs is wrongly matched while the remaining three are correct?

• a) Water hyacinth – Runner
• b) Agave – Bulbils
• c) Bryophyllum – Leaf buds
• d) Penicillium – Conidia

Answer: Water hyacinth – Runner

Question: Sweet potato is homologous to

• a) Turnip
• b) Ginger
• c) Potato
• d) Colocasia

Answer: Turnip

Question: The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?

• a) Cotyledon
• b) Plumule
• c) Endosperm
• d) Aleurone layer

Answer: Cotyledon

Question:  Keel is characteristic of the flowers of

• a) Bean
• b) Gulmohur
• c) Cassia
• d) Calotropis

Answer: Bean

Question: In unilocular ovary with a single ovule the placentation

• a) Basal
• b) Free central
• c) Marginal
• d) Axile

Answer: Basal

Question: Ovary is half-inferior in the flowers of

• a) Plum
• b) Brinjal
• c) Guava
• d) Cucumber

Answer:  Plum

Question: Which one of the following is a xerophytic plant in which the stem is modified into the flat, green and succulent structure?

• a) Opuntia
• b) Casuarina
• c) Hydrilla
• d) Acacia

Answer: Opuntia

Question:  Aestivation of petals in the flower of cotton is correctly shown in

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:  The correct floral formula of soyabean is

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question:

• a)

  

• b)

  

• c)

  

• d) None of these

Answer:

Question: Vegetative propagation is Pistia occurs by

• a) Offset
• b) Stolen
• c) Runner
• d) Sucker

Answer: Offset

Question:

• a) Tobacco
• b) Tulip
• c) Sunnhemp
• d) Soybean

Answer: Tobacco

Question:  A fruit developed from hypanthodium inflorescence is called

• a) Syconus
• b) Caryopsis
• c) Hesperidium
• d) Offset

Answer:  Syconus

Question: Cotyledons and testa respectively are edible parts in

• a) Groundnut and pomegranate
• b) French bean and coconut
• c) Walnut and tamarind
• d) Cashew nut and litchi

Answer: Groundnut and pomegranate

Question: Thorn of Bougainvillea and tendril of cucurbita are example of

• a) Homologous organs
• b) Retrogressive evolution
• c) Analogous organs
• d) Vestigial organs

Answer: Homologous organs

Question: The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in

• a) Pomegranate
• b) Orange
• c) Guava
• d) Cucumber

Answer:  Pomegranate

Question: Dry indehiscent single-seeded fruit formed bicarpellary syncarpous inferior ovary is

• a) Cypsela
• b) Berry
• c) Caryopsis
• d) Cremocarp

Answer: Cypsela

Question: Endosperm is consumed by developing embryo in the seed of

• a) Pea
• b) Castor
• c) Coconut
• d) Maize

Answer: Pea

Question: Replum is present in the ovary of flower of

• a) Mustard
• b) Sunflower
• c) Lemon
• d) Pea

Answer: Mustard

Question: The fleshy receptacle of syconus of fig encloses a number of

• a) Achenes
• b) Samaras
• c) Berries
• d) Mericarps

Answer: Achenes

Question: Pineapple (annanas) fruit develops from

• a) A cluster of compactly borne flowers on a common axis
• b) A multipistillate syncarpous flower
• c) A unilocular polycarpellary flower
• d) A multilocular monocarpellary flower

Answer: A cluster of compactly borne flowers on a common axis

Question: In which of the following fruits is the edible part the aril

• a) Litchi
• b) Orange
• c) Pomegranate
• d) Custard apple

Answer: Litchi

Question: Pentamerous, actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit a capsule or berry, are characteristic features of

• a) Solanaceae
• b) Liliaceae
• c) Brassicaceae
• d) Asteraceae

Answer: Solanaceae

Question: Which of the following represents the edible part of the fruit of litchi

• a) Juicy aril
• b) Endocarp
• c) Mesocarp
• d) Pericarp

Answer: Juicy aril

Question:  The ovary is half inferior in flowers of

• a) Peach
• b) Guava
• c) CucumberCotton
• d) Cotton

Answer: Peach

Question: The technical term used for the androecium in a flower of China rose (Hibiscus rosasinensis) is

• a) Monadelphous
• b) Polyadelphous
• c) Diadelphous
• d) Polyandrous

Answer: Monadelphous

Question: An example of axile placentation is

• a) Lemon
• b) Dianthus
• c) Marigold
• d) Argemone

Answer: Lemon

Question: What type of placentation is seen in sweet pea ?

• a) Marginal
• b) Free central
• c) Axile
• d) Basal

Answer: Marginal

Question: Angiosperm, to which the largest flowers belong, is

• a) Total root parasite
• b) Partial root parasite
• c) Total stem parasite
• d) Partial stem parasite

Answer:  Total root parasite

Question: The plant, which bears clinging roots, is

• a) Orchid
• b) Trapa
• c) Podostemon
• d) Screw pine

Answer: Orchid

Question: Pneumatophores are found in

• a) The vegetation which is found in marshy and saline lake
• b) The vegetation which is found in acidic soil
• c) Xerophytes
• d)  Epiphytes

Answer: The vegetation which is found in marshy and saline lake

Question: In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order

• a) Root cap, cell division, cell enlargement, cell maturation
• b) Root cap, cell division, cell maturation, cell enlargement
• c) Cell division, cell enlargement, cell maturation, root cap
• d) Cell division, cell maturation, cell enlargement, root cap

Answer:  Root cap, cell division, cell enlargement, cell maturation

Question: A plant bears fruit, has a column of vascular tissue and a tap root system. This plant is a/an

• a) Angiosperm and dicot
• b) Angiosperm and monocot
• c) Gymnosperm and dicot
• d) Gymnosperm and monocot

Answer: Angiosperm and dicot

Question: What is the eye of potato?

• a) Axillary bud
• b) Accessory bud
• c) Adventitious bud
• d) Apical bud

Answer: Axillary bud

Question: How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (Oleander) have opposite phyllotaxy?

• a) Three
• b) Four
• c) Five
• d) Two

Answer: Three

Question: The lid of pitcher in pitcher plant, is the modification of

• a) Leaf apex
• b) Leaf base
• c) Petiole
• d) Lamina

Answer: Leaf apex

Question: A pair of insectivorous plants is

• a) Nepenthes and bladderwort
• b) Venus fly trap and Rafflesia
• c) Dionaea and Viscum
• d) Drosera and Rafflesia

Answer: Nepenthes and bladderwort

Question: The ability of the Venus Flytrap to capture insects is due to

• a) Rapid turgor pressure changes
• b) A passive process requiring no special ability on the part of the plant
• c) Chemical stimulation by the prey
• d) Specialized “muscle-like” cells

Answer: Rapid turgor pressure changes

Question: In a cymose inflorescence the main axis

• a) Terminates in a flower
• b) Has unlimited growth
• c) Bears a solitary flower
• d) Has unlimited growth but lateral branches end in flowers

Answer: Terminates in a flower

Question:  Inflorescence is racemose in

• a) Soyabean
• b) Brinjal
• c) Tulip
• d) Aloe

Answer: Soyabean

Question: Hypanthodium is a specialized type of

• a) Inflorescence
• b) Thalamus
• c) Ovary
• d) Fruit

Answer: Inflorescence

Question: Hairs found in the inflorescence of Zea mays are the modification of

• a) Style
• b) Stigma
• c) Spathe
• d) Filaments

Answer: Style

Question: Floral features are chiefly used in angiosperms, identification, because

• a) Reproductive parts are more stable and conservative than vegetative parts
• b) Flowers can be safely pressed
• c) Flowers are nice to work with
• d) Flowers are of various colours

Answer: Reproductive parts are more stable and conservative than vegetative parts

Question: Tetradyanamous condition occurs in

• a) Cruciferae
• b) Malvaceae
• c) Solanaceae
• d) Liliaceae

Answer:  Cruciferae

Question: Anthesis is a phenomenon which refers to

• a) Opening of flower bud
• b) Formation of pollen
• c) Reception of pollen by stigma
• d) Development of anther

Answer: Opening of flower bud

Question: Pappus in sunflower family is the modification of

• a) Calyx
• b) Corolla
• c) Anthers
• d) Hairs

Answer: Calyx

Question: 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) Three
• b) Four
• c) Five
• d) Two

Answer:  Three

Question: Which of the following is a ‘true fruit’?

• a) Banana
• b) Pineapple
• c) Apple
• d) Pear

Answer: Banana

Question: Coir is the commercial product of coconut’s

• a) Mesocarp
• b) Pericarp
• c) Endosperm
• d) Endocarp

Answer: Mesocarp

Question: Aril represents the edible part of

• a) Litchi
• b) Banana
• c) Apple
• d) Mango

Answer:  Litchi

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

• a) Pomegranate
• b) Grape
• c) Banana
• d) Orange

Answer: Pomegranate

Question: Edible part in coconut is

• a) Endosperm
• b) Pericarp
• c) Mesocarp
• d) Fleshy aril

Answer:  Endosperm

Question: Geocarpic fruit is

• a) Ground nut
• b) Turnip
• c) Radish
• d) Carrot

Answer: Ground nut

Question: Which is correct pair for edible part?

• a) Date palm-mesocarp
• b) Guava-mesocarp
• c) Maize-cotyledons
• d) Tomato-thalamus

Answer: Date palm-mesocarp

Question: Edible part of banana is

• a) Endocarp and less developed mesocarp
• b) Mesocarp and less developed endocarp
• c) Epicarp and mesocarp
• d) Epicarp

Answer:  Endocarp and less developed mesocarp

Question: Edible part in mango is

• a) Mesocarp
• b) Epicarp
• c) Endocarp
• d) Epidermis

Answer: Mesocarp

Question: Geocarpic fruit is

• a) Peanut
• b) Potato
• c) Onion
• d) Garlic

Answer: Peanut

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

• a) Endocarp
• b) Exocarp
• c) Mesocarp
• d) Mesocarp and endocarp

Answer: Endocarp

Question: Scutellum in a caryopsis represents

• a) A cotyledon
• b) A sheath that protects the radicle
• c) Outermost layer of endosperm
• d) The place where the seed is attached to raphe

Answer:  A cotyledon