NEET Biology Morphology Of Flowering Plants MCQs Set B

Question: Select an incorrect match

• a) Decussate phyllotaxy – Quisqualis, Psidium, Syzygium
• b) Whorled phyllotaxy – Alstonia, Nerium
• c) Alternate phyllotaxy – Mustard, China rose, Sunflower
• d) Opposite phyllotaxy – Zinnia, Calotropis

Answer: Decussate phyllotaxy – Quisqualis, Psidium, Syzygium

Question: Which of the following is not the modification of leaf?

• a) Tendril in Antigonon
• b) Tendril in Clematis
• c) Tendril in Gloriosa
• d) Tendril in Nepenthes

Answer:  Tendril in Antigonon

Question:

• a) Pineapple Sucker Propagation
• b) Nepenthes Leaf tip Photosynthesis
• c) Jasmine Offset Photosynthesis
• d) Vanda Tap root Moisture absorption

Answer: Pineapple Sucker Propagation

Question: Inflorescence with thick, fleshy axis and large coloured bracts is

• a) Spadix
• b) Spikelet
• c) Hypanthodium
• d) Spathe

Answer: Spadix

Question: Bisexual, sessile and bracteate flowers develop acropetally in

• a) Spike
• b) Corymb
• c) Panicle
• d) None of these

Answer:  Spike

Question:

• a) Verticillaster
• b) Polychasial cymose
• c) Simple dichasial cymose
• d) Simple monochasial cymose

Answer: Verticillaster

Question: Find the odd one (w.r.t. inflorescence axis elongation)

• a) Umbel
• b) Spike
• c) Raceme
• d) Catkin

Answer: Umbel

Question: The type of inflorescence characterized by having dimorphic flower is

• a) Capitulum
• b) Corymb
• c) Umbel
• d) Catkin

Answer:  Capitulum

Question: In Head or Capitulum inflorescence

• a) Ray florets : pistillate or neuter; zygomorphic
• b) Ray florets : pistillate and neuter; actinomorphic
• c) Disc florets : bisexual; zygomorphic
• d) Disc florets : pistillate; actinomorphic

Answer: Ray florets : pistillate or neuter; zygomorphic

Question: Flowers with monadelphous condition and pentacarpellary ovary are present in

• a) China rose family
• b) Pea family
• c) Potato family
• d) Yucca family

Answer: China rose family

Question:

A. Citrus and Ricinus have synandrous condition.
B. In epitepalous condition, the cohesion occurs bewteen tepal and filament of stamen.
C. Tetradynamous condition consists of two long and four short stamen filaments

• a) All are incorrect
• b) Only A is incorrect
• c) Only C is incorrect
• d) Only B is incorrect

Answer: All are incorrect

Question: Presence of staminode is characteristic feature of

• a) Caesalpinoideae
• b) Mimosoideae
• c) Arecaceae
• d) Euphorbiaceae

Answer:  Caesalpinoideae

Question:

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

Answer: a(i), b(ii), c(iv), d(iii)

Question: Find incorrect matching

• a) Balausta – Aril
• b) Pome – Fleshy thalamus
• c) Schizocarp – Mericarp
• d) Syconus – Hypanthodium

Answer: Balausta – Aril

Question:  Most common fruits of fabaceae and brassicaceae are respectively

• a) Legume and Siliqua
• b) Legume and Samara
• c) Lomentum and Siliqua
• d) Lomentum and Silicula

Answer: Legume and Siliqua

Question: In Coriandrum, the prolongation of thalamus beyond the carpel is called as

• a) Carpophore
• b) Androphore
• c) Gynandrophore
• d) Gynophore

Answer: Carpophore

Question: A dry dehiscent fruit which develops from multicarpellary, syncarpous superior ovary with axile placentation, is

• a) Capsule
• b) Siliqua
• c) Achene
• d) Lomentum

Answer: Capsule

Question: Scutellum is a

• a) Shield shaped and large cotyledon of grasses
• b) Remnant of cotyledon in maize
• c) Food storing haploid structure in grass embryo
• d) Protective covering of plumule in grasses

Answer:  Shield shaped and large cotyledon of grasses

Question: There are given some plants below, select among the options that, to how many families they belongs? Plants are - Crotolaria, Atropa, Solanum, Arachis, Bambusa and Chrysanthemum

• a) 4 families
• b) 6 families
• c) 2 families
• d) 3 families

Answer: 4 families

Question:

• a) Allium and Asparagus
• b) Crotolaria and Astragalus
• c) Lepidium and Iberis
• d) Vetiveria and Cymbopogon

Answer:  Allium and Asparagus

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: