NEET Biology Morphology Of Flowering Plants MCQs Set A

Question: Primary root is the direct elongation of the

• a) Radicle
• b) Plumule
• c) Stamen
• d) Pedicel

Answer: Radicle

Question: The type of roots present in mustard plant is

• a) Tap roots
• b) Nodulated roots
• c) Adventitious roots
• d) Fibrous roots

Answer: Tap roots

Question: Which of the following is not the lateral branches of the roots?

• a) Primary root
• b) Tertiary roots
• c) Secondary roots
• d) More than one option is correct

Answer: Primary root

Question: In wheat plant ________ root system is present

• a) Fibrous
• b) Prop
• c) Tap
• d) Nodulated

Answer: Fibrous

Question: Which of the following is not the main function of the root system?

• a) Photosynthesis
• b) Synthesis of PGRs
• c) Provide anchorage to the plant parts
• d) Absorption of water and minerals from soil

Answer:  Photosynthesis

Question: A root grows in length, which region of the root is responsible for this growth?

• a) Region of elongation
• b) Root cap
• c) Region of meristematic activity
• d) Region of maturation

Answer: Region of elongation

Question: Root hairs are present in/on

• a) Region of maturation
• b) Root cap
• c) Region of elongation
• d) Region of meristematic activity

Answer: Region of maturation

Question: The region or part of root that increases the surface area for water absorption is

• a) Root hair
• b) Meristematic zone
• c) Zone of elongation
• d) Root cap

Answer:  Root hair

Question: The tap roots of ______ gets modified to store food

• a) Carrot
• b) Onion
• c) Ginger
• d) Sweet potato

Answer: Carrot

Question: Adventitious roots of ______ get swollen and store food

• a) Sweet potato
• b) Radish
• c) Turnip
• d) Carrot

Answer: Sweet potato

Question: Supporting roots coming out of the lower nodes of the sugarcane stem are called

• a) Stilt roots
• b) Pneumatophores
• c) Fusiform roots
• d) Prop roots

Answer:  Stilt roots

Question: In Rhizophora, roots are modified to form

• a) Pneumatophores
• b) Stilt roots
• c) Storage roots
• d) Tuberous roots

Answer: Pneumatophores

Question: The hanging structures that support banyan tree are called

• a) Prop roots
• b) Stilt roots
• c) Pneumatophores
• d) Root hair

Answer: Prop roots

Question: Stem develops from ______ of the embryo of a germinating seed

• a) Plumule
• b) Pedicel
• c) Pneumatophore
• d) Radicle

Answer: Plumule

Question: ______ are the regions of the stem that bear leaves

• a) Nodes
• b) Foliar bud
• c) Radical bud
• d) Internode

Answer:  Nodes

Question: Stems of potato, ginger and turmeric are modified to

• a) Store food
• b) Respiration
• c) Perform photosynthesis
• d) Provide support

Answer: Store food

Question: In gourds, axillary buds develop spirally coiled structures called

• a) Tendril
• b) Offsets
• c) Suckers
• d) Thorns

Answer: Tendril

Question: ______ protect Bougainvillea from grazing animals

• a) Thorns
• b) Offsets
• c) Suckers
• d) Tendrils

Answer:  Thorns

Question: Stems are modified into flattened structures, which carryout photosynthesis in

• a) Opuntia
• b) Bougainvillea
• c) Colocasia
• d) Euphorbia

Answer: Opuntia

Question: Chlorophyll containing fleshy cylindrical structures found in Euphorbia are modified

• a) Stem
• b) Leaves
• c) Fruit
• d) Roots

Answer: Stem

More Questions......................................

Question: In Pistia and Eichhornia, stems are modified to form

• a) Offsets
• b) Tendrils
• c) Stolons
• d) Suckers

Answer: Offsets

Question: Leaves originate from ______ and are arranged in an ______ order.

• a) Shoot apical meristem, acropetal
• b) Root apical meristem, acropetal
• c) Floral meristem, basipetal
• d) Internodes, basipetal

Answer: Shoot apical meristem, acropetal

Question: Which of the following is not a part of a leaf?

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

Answer: Pedicel

Question: Leaf base may bear two lateral small leaf like structures called

• a) Stipules
• b) Sepals
• c) Pulvinus
• d) Lamina

Answer: Stipules

Question: Swollen leaf base found in leguminous plants is called

• a) Pulvinus
• b) Stipules
• c) Petiole
• d) Leaf blade

Answer: Pulvinus

Question: Which one of the following plants shows alternate phyllotaxy?

• a) Sunflower
• b) Guava
• c) Nerium
• d) Calotropis

Answer: Sunflower

Question: The petiole expand and become green to synthesize food in

• a) Australian Acacia
• b) Venus-fly trap
• c) Pisum sativum
• d) Solanum

Answer:  Australian Acacia

Question: Mark the incorrect statement

• a) Flowers are borne on successive internodes on the stems and roots
• b) When a shoot tip transforms into a flower, the flower is always solitary
• c) In cymose inflorescence, the main axis terminates in a flower
• d) Flower is a modified shoot

Answer: Flowers are borne on successive internodes on the stems and roots

Question: The four whorls of a flower are arranged on the

• a) Thalamus
• b) PetioleCorolla
• c) Corolla
• d) Stamens

Answer:  Thalamus

Question: Radial symmetry is found in flowers of

• a) Chilli
• b) Cassia
• c) Gulmohur
• d) Canna

Answer: Chilli

Question: The flower of which of the following plant is zygomorphic?

• a) Bean
• b) Datura
• c)  Mustard
• d) Canna

Answer: Bean

Question: Which of the following plant has a superior ovary?

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

Answer: China rose

Question: Which of the following plant has epigynous flower?

• a) Cucumber
• b) Brinjal
• c) Mustard
• d) Peach

Answer: Cucumber

Question: The ray florets of sunflower has

• a) Inferior ovary
• b) Half superior ovary
• c) Half inferior ovary
• d) Superior ovary

Answer: Inferior ovary

Question: Mark the incorrect match

• a) Cassia – Valvate
• b) Calotropis – Valvate
• c) Lady’s finger – Twisted
• d) Gulmohur – Imbricate

Answer:  Cassia – Valvate

Question:

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

Answer: a(i), b(iii), c(iv), d(ii)

Question: Carpels are fused in the flowers of

• a) Tomato
• b) Lotus
• c) Rose
• d) None of these

Answer: Tomato

Question: Ovary containing the false septum occurs in

• a) Argemone
• b) Pisum sativum
• c) Dianthus
• d) Primrose

Answer: Argemone

Question:  In ______ placentation, the placenta forms a ridge along the ventral suture of the ovary

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

Answer: Marginal

Question: The stony hard part of the mango represents

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

Answer:  Endocarp

Question: Select the correct statement w.r.t. Mango and coconut

• a) They develop from monocarpellary superior ovaries
• b) They have fibrous epicarp
• c) They develop from monocarpellary inferior ovaries
• d) They have fleshy edible mesocarp

Answer: They develop from monocarpellary superior ovaries

Question: The inner layer of the seed coat is called

• a) Tegmen
• b) Micropyle
• c) Hilum
• d) Testa

Answer: Tegmen

Question: Which of the following parts of the embryo contains radicle and plumule?

• a) Embryonal axis
• b) Endosperm
• c) Seed coat
• d) Cotyledon

Answer: Embryonal axis

Question: Which of the following plant has endospermic seed?

• a) Castor
• b) Pea
• c) Gram
• d) Bean

Answer: Castor

Question: While representing a floral formula, G stands for

• a) Superior ovary
• b) Inferior ovary
• c) Androecium
• d) Epigynous flower

Answer:  Superior ovary

Question:

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

Answer: a(iv), b(iii), c(i), d(ii)

Question:  Actinomorphic nature of flower is represented by which of the following symbols?

• a)

  

• b)

  

• c) %
• d) A

Answer:

Question:  The floral formula of the plants belonging to the family Fabaceae is

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: The plants belonging to the family Solanaceae is represented by the floral formula

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: Which of the following plants is used to extract the blue dye?

• a) Indigofera
• b) Cassia
• c) Lupin
• d) Trifolium

Answer: Indigofera

Question: The origin of root hairs and lateral roots is

• a) Exogenous and endogenous respectively
• b) Both endogenously
• c) Endogenous and exogenous respectively
• d) Both exogenously

Answer: Exogenous and endogenous respectively

Question: Find odd one w.r.t radicle leaves

• a) Maize
• b) Radish
• c) Carrot
• d) Turnip

Answer:  Maize

Question: Cuscuta, Viscum and Orobanche are similar in having

• a) Haustorial roots
• b) Epiphyllous roots
• c) Assimilatory roots
• d) Hygroscopic roots

Answer:  Haustorial roots

Question:

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

Answer: a(iii), b(iv), c(i), d(ii)

Question: Stem modified into green, flattened branches of unlimited growth for assimilatory function is

• a) Phylloclade
• b) Cladode
• c) Bulbil
• d) Phyllode

Answer: Phylloclade

Question: Leafless stem of onion which produces cluster of terminal flowers is called as

• a) Scape
• b) Rachis
• c) Floral axis
• d) Peduncle

Answer: Scape

Question: Which is not a modification of stem?

• a) Pitcher of Nepenthes
• b) Tuber of potato
• c) Corm of Colocasia
• d) Rhizome of ginger

Answer: Pitcher of Nepenthes

Question: Reticulate venation is the feature of dicots but some monocots also exhibit this venation, lik

• a) Smilax
• b) Eryngium
• c) Corymbium
• d) Calophyllum

Answer: Smilax

Question: Thorns, spines and prickles work as _____ in plants

• a) Defensive organs
• b) Organs of offense
• c) Excretory organs
• d) Respiratory organs

Answer: Defensive organs

Question: Leaflet tendril and entire leaf tendril are found in respectively

• a) Pisum, Lathyrus sativus
• b) Luffa, Pisum
• c) Cucurbita, Smilax
• d) Passiflora, Vitis

Answer:  Pisum, Lathyrus sativus