NEET Biology Morphology of Plants MCQs Set D

Question. Primary root is the direct elongation of the
(a) Radicle
(b) Plumule
(c) Stamen
(d) Pedicel

Answer: A

Question. The type of roots present in mustard plant is
(a) Tap roots
(b) Nodulated roots
(c) Adventitious roots
(d) Fibrous roots

Answer: A

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: A

Question. In wheat plant ________ root system is present
(a) Fibrous
(b) Prop
(c) Tap
(d) Nodulated

Answer: A

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: A

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: A

Question. Root hairs are present in/on
(a) Region of maturation
(b) Root cap
(c) Region of elongation
(d) Region of meristematic activity

Answer: A

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: A

Question. The tap roots of ______ gets modified to store food
(a) Carrot
(b) Onion
(c) Ginger
(d) Sweet potato

Answer: A

Question. Adventitious roots of ______ get swollen and store food
(a) Sweet potato
(b) Radish
(c) Turnip
(d) Carrot

Answer: A

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: A

Question. In Rhizophora, roots are modified to form
(a) Pneumatophores
(b) Stilt roots
(c) Storage roots
(d) Tuberous roots

Answer: A

Question. The hanging structures that support banyan tree are called
(a) Prop roots
(b) Stilt roots
(c) Pneumatophores
(d) Root hair

Answer: A

Question. Stem develops from ______ of the embryo of a germinating seed
(a) Plumule
(b) Pedicel
(c) Pneumatophore
(d) Radicle

Answer: A

Question. ______ are the regions of the stem that bear leaves
(a) Nodes
(b) Foliar bud
(c) Radical bud
(d) Internode

Answer: A

Question. Stems of potato, ginger and turmeric are modified to
(a) Store food
(b) Respiration
(c) Perform photosynthesis
(d) Provide support

Answer: A

Question. In gourds, axillary buds develop spirally coiled structures called
(a) Tendril
(b) Offsets
(c) Suckers
(d) Thorns

Answer: A

Question. ______ protect Bougainvillea from grazing animals
(a) Thorns
(b) Offsets
(c) Suckers
(d) Tendrils

Answer: A

Question. Stems are modified into flattened structures, which carryout photosynthesis in
(a) Opuntia
(b) Bougainvillea
(c) Colocasia
(d) Euphorbia

Answer: A

Question. Chlorophyll containing fleshy cylindrical structures found in Euphorbia are modified
(a) Stem
(b) Leaves
(c) Fruit
(d) Roots

Answer: A

Question. In Pistia and Eichhornia, stems are modified to form
(a) Offsets
(b) Tendrils
(c) Stolons
(d) Suckers

Answer: A

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: A

Question. Which of the following is not a part of a leaf?
(a) Pedicel
(b) Petiole
(c) Lamina
(d) Leaf base

Answer: A

Question. Leaf base may bear two lateral small leaf like structures called
(a) Stipules
(b) Sepals
(c) Pulvinus
(d) Lamina

Answer: A

Question. Swollen leaf base found in leguminous plants is called
(a) Pulvinus
(b) Stipules
(c) Petiole
(d) Leaf blade

Answer: A

Question. Which one of the following plants shows alternate phyllotaxy?
(a) Sunflower
(b) Guava
(c) Nerium
(d) Calotropis

Answer: A

Question. The petiole expand and become green to synthesize food in
(a) Australian Acacia
(b) Venus-fly trap
(c) Pisum sativum
(d) Solanum

Answer: A

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: A

Question. The four whorls of a flower are arranged on the
(a) Thalamus
(b) PetioleCorolla
(c) Corolla
(d) Stamens

Answer: A

Question. Radial symmetry is found in flowers of
(a) Chilli
(b) Cassia
(c) Gulmohur
(d) Canna

Answer: A

Question. The flower of which of the following plant is zygomorphic?
(a) Bean
(b) Datura
(c) Mustard
(d) Canna

Answer: A

Question. Which of the following plant has a superior ovary?
(a) China rose
(b) Guava
(c) Rose
(d) Peach

Answer: A

Question. Which of the following plant has epigynous flower?
(a) Cucumber
(b) Brinjal
(c) Mustard
(d) Peach

Answer: A

Question. The ray florets of sunflower has
(a) Inferior ovary
(b) Half superior ovary
(c) Half inferior ovary
(d) Superior ovary

Answer: A

Question. Mark the incorrect match
(a) Cassia – Valvate
(b) Calotropis – Valvate
(c) Lady’s finger – Twisted
(d) Gulmohur – Imbricate

Answer: A

Question. Carpels are fused in the flowers of
(a) Tomato
(b) Lotus
(c) Rose
(d) None of these

Answer: A

Question. Ovary containing the false septum occurs in
(a) Argemone
(b) Pisum sativum
(c) Dianthus
(d) Primrose

Answer: A

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: A

Question. The stony hard part of the mango represents
(a) Endocarp
(b) Endosperm
(c) Epicarp
(d) Mesocarp

Answer: A

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: A

Question. The inner layer of the seed coat is called
(a) Tegmen
(b) Micropyle
(c) Hilum
(d) Testa

Answer: A

Question. Which of the following parts of the embryo contains radicle and plumule?
(a) Embryonal axis
(b) Endosperm
(c) Seed coat
(d) Cotyledon

Answer: A

Question. Which of the following plant has endospermic seed?
(a) Castor
(b) Pea
(c) Gram
(d) Bean

Answer: A

Question. While representing a floral formula, G stands for
(a) Superior ovary
(b) Inferior ovary
(c) Androecium
(d) Epigynous flower

Answer: A

Question. Which of the following plants is used to extract the blue dye?
(a) Indigofera
(b) Cassia
(c) Lupin
(d) Trifolium

Answer: A

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: A

Question. Find odd one w.r.t radicle leaves
(a) Maize
(b) Radish
(c) Carrot
(d) Turnip

Answer: A

Question. Cuscuta, Viscum and Orobanche are similar in having
(a) Haustorial roots
(b) Epiphyllous roots
(c) Assimilatory roots
(d) Hygroscopic roots

Answer: A

Question. Stem modified into green, flattened branches of unlimited growth for assimilatory function is
(a) Phylloclade
(b) Cladode
(c) Bulbil
(d) Phyllode

Answer: A

Question. Leafless stem of onion which produces cluster of terminal flowers is called as
(a) Scape
(b) Rachis
(c) Floral axis
(d) Peduncle

Answer: A

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: A

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: A

Question. Thorns, spines and prickles work as _____ in plants
(a) Defensive organs
(b) Organs of offense
(c) Excretory organs
(d) Respiratory organs

Answer: A

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: A

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: A

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: A

Question. Inflorescence with thick, fleshy axis and large coloured bracts is
(a) Spadix
(b) Spikelet
(c) Hypanthodium
(d) Spathe

Answer: A

Question. Bisexual, sessile and bracteate flowers develop acropetally in
(a) Spike
(b) Corymb
(c) Panicle
(d) None of these

Answer: A

Question. Find the odd one (w.r.t. inflorescence axis elongation)
(a) Umbel
(b) Spike
(c) Raceme
(d) Catkin

Answer: A

Question. The type of inflorescence characterized by having dimorphic flower is
(a) Capitulum
(b) Corymb
(c) Umbel
(d) Catkin

Answer: A

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: A

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: A

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: A

Question. Presence of staminode is characteristic feature of
(a) Caesalpinoideae
(b) Mimosoideae
(c) Arecaceae
(d) Euphorbiaceae

Answer: A

Question. Find incorrect matching
(a) Balausta – Aril
(b) Pome – Fleshy thalamus
(c) Schizocarp – Mericarp
(d) Syconus – Hypanthodium

Answer: A

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: A

Question. In Coriandrum, the prolongation of thalamus beyond the carpel is called as
(a) Carpophore
(b) Androphore
(c) Gynandrophore
(d) Gynophore

Answer: A

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: A

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: A

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: A