Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to...
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NEETREVISIONSERIES
MORPHOLOGYOFFLOWERINGPLANTS
ReviseMostImportantQuestionstoCrackNEET2020
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Q-1-13466695
Read the given statements and select the correct option. Statement-
1: Root cap protects the root meristem from the frition of the soil
and its outer cells are continously replaced by newer ones.
Statemnent 2 : The effect of the coil-friction damages the outer cells
of root cap which are peeled off and replaced by new cells produced
by root meristem.
(A)Bothstatements1and2arecorrect.
(B)Statement1iscorrectbutstatement2isincorrect.
(C)Statement1isincorrectbutstatement2iscorrect.
(D)Bothstatement1and2areincorrect.
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CORRECTANSWER:A
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Q-2-13466773
The given figure represents vexillary aestivation. Select the suitable
labels for P,Q and R
(A)
(B)
(P) (Q) (R)
Standard Wing Ala
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(C)
(D)
CORRECTANSWER:D
SOLUTION:
Inverxillary/descendingimbricateaestivation,the
posteriorpetal(standard)overlapsthetwolateralpetals
(wingsoralae)andthelatteroverlapthetwoanterior
petals(keelorcarina).Itisalsocalledpapilionaceous
corcollaandisfoundinmembersofFamily
papilionanceae.
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(P) (Q) (R)
Standard keel Wing
(P) (Q) (R)
Wing keel Carina
(P) (Q) (R)
Standard Ala Carina
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Q-3-13466713
Read the given statements and select the correct ones.
(i) Root caps are present in prop roots.
(ii) Pneumatophores helf to get oxygen for respiration.
(iii) Edible part of ginger is underground stem.
(iv) Hydrophytes usually possess a well developed root system.
(A)(i)and(ii)only
(B)(ii)and(iii)only
(C)(i),(ii)and(iii)
(D)(i),(ii),(iii)and(iv)
CORRECTANSWER:C
SOLUTION:
Hydrophytesareplantsadaptedforgrowinginwater.In
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hydrophytesrootsareofsecondaryimportancesothey
arepoorlydeveloped.
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Q-4-13466721
In Opuntia, the function of photosynthesis is carried out by
(A)cladode
(B)phyllode
(C)phylloclade
(D)stipules.
CORRECTANSWER:C
SOLUTION:
PhyllocladesofOpuntiarepresentflattenedgreenflashy
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stemsofunlimitedgrowthwhichhavetakenoverthe
functionofphotosynthesis.
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Q-5-13466733
Parallel venation is a characteristic of monocots. Which of the
following is an exception to this generalisation ?
(A)Smilax
(B)Colocasia
(C)Alocasia
(D)Allofthese
CORRECTANSWER:D
SOLUTION:
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Incaseofparallelvenation,theveinsrunparallelto
eachotherandnetworkisnotformed.Thistypeof
venationisthecharacteristicfeatureofmonocots.There
arefewexceptions,e.g.,Smilax,Colocasia,Alocasia,
Dioscorea,etc.
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Q-6-13466737
Finely dissected leaf may be an adaptation of
(A)xerophytes
(B)psssammophytes
(C)halophytes
(D)hydrogphytes.
CORRECTANSWER:D
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SOLUTION:
Thesubmergedleavesofhydrophytesareoftenhighly
dissectedordividedtocreatetoverylargesurfacearea
forabsorptionandphotosynthesis.Italsominimises
waterresistanceandhencepotentialdamangetothe
leavesduetotearingeffectofwater.
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Q-7-13466746
Spines present on the areoles of Opunita represent
(A)stem
(B)leaves
(C)buds
(D)phyllodes
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CORRECTANSWER:B
SOLUTION:
InOpuntialeavesaremodifiedintospinesinorderto
protecttheplantfromgrazinganimalsandexcessive
transpiration.
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Q-8-13466756
Which plants part is modified into pitcher in pitcher plants ?
(A)Root
(B)Stem
(C)Leaf
(D)Flower
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CORRECTANSWER:C
SOLUTION:
InNepenthes(pitcherplant),theleavesaremodifiedinto
pitcherstocatchanddigesttheinsect.Thepitcherof
Nepenthesismodifiedlamina.Theapexofleafis
modifiedintolidwhichcoverstheopeningofpitcher.
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Q-9-13466766
If the gynoecium is present in the topmost position of the thalamus,
then the flower is referred to as
(A)hypogynous
(B)perigynous
(C)epigynous
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(D)noneofthese
CORRECTANSWER:A
SOLUTION:
Inhypogynousconditionofflowers,thethalamusis
convexorconical.Gynoeciumoccupiesthetopmost
(superior)positionatthethalamusandotherpartof
flowerarebornesuccessivelybelow.Androperianthor
otherfloralorgansareinferier,e.g.,Hibiscusrosa
sinensis,Ranunculus,Brassica,brinjal,etc.
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Q-10-13466770
Based on the position of floral parts on thalamus, the flowers, are
described as hypogynous, perigynous and epigynous. Which of the
following floral forms (A-D) represents the flowers of Rosa and
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Prunus respectively ?
(A)AandB
(B)BandC
(C)CandD
(D)BandD
CORRECTANSWER:B
SOLUTION:
Inperigynousconditionofaflower,thegynoeciumis
situatedinthecentreandotherfloralpartsarelocated
ontherimofthethalamusalmostatthesamelevel.
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Ovaryissaidtobehalf-inferior,e.g.,Rosa(flask-shaped
thalamus),Prunus(Cup-shapedthalamus).
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Q-11-13466779
Syngernesious condition of stamens is found in family
(A)Asteraceae
(B)Liliaceae
(C)Cruciferae
(D)Malvaceae.
CORRECTANSWER:A
SOLUTION:
InFamilyAsteraceae,anothersyngenesious
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(synantherous)inwhichstamensarefusedtogetherat
theiredgesbyanotheronly,formingaringaroundthe
gynoecium.Thefilamentsarefree,e.g.,sunflower.
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Q-12-13466795
Select the mismatched pair out of the following
(A)Syconus-Ficuscarica
(B)Sorosis-Ananascamosus
(C)Pome-Mangiferaindica
(D)Cremocarp-Coriandrumsativum
CORRECTANSWER:C
SOLUTION:
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Pomeisafalseoraccessorysimplesucculentfruitthat
developsfromaninferiorcompoundovary,e.g.,apple,
pear.Mango(Mangiferaindica)isadrupefruit.
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Q-13-13466804
Monocotylendonous seeds possess a single cotyledon which is
represented by
(A)tegmen
(B)endosperm
(C)scutellum
(D)aleurone.
CORRECTANSWER:C
SOLUTION:
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Thesinglecotyledonofmonocotyledonousseed(e.g.
maizegrain)iscalledscutellum.Itoccupiesthemajor
portionoftheembryoregionsofgrains.
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Q-14-13466812
Add the missing floral organs in the given floral formula of Family
Fabaceae.
(A)
(B)
(C)
(D)
C1+ 2+2
C1+ 2+ (2 )
C1+2+ 3
C5
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CORRECTANSWER:B
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Q-15-13466821
Identify the family which shows the following diagnostic features.
Flowers pentamerous, gynoecium-bicarpellary,syncarpous, ovary
placed obliquely , placentation axile , placenta swollen.
(A)Solanaceae
(B)Leguminosae
(C)Papilionaceae
(D)Liliaceae
CORRECTANSWER:A
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Q-16-13466828
Select the pair which contains monocotyledonous families.
(A)SolanaceaeandBrassicaceae
(B)FabaceaeandAsteraceae
(C)LiliaceaeandPoaceae
(D)Noneofthese
CORRECTANSWER:C
SOLUTION:
Liliaceae(Lilyfamily)andpoaceae(=Gramineae,grass
family)arethetwomonocotfamilies.
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Q-17-13466849
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The placenta is attached to the developing seed near the
(A)testa
(B)hilum
(C)micropyle
(D)chalaza
CORRECTANSWER:B
SOLUTION:
Aseedmayhaveoneortwocoveringscalledseed
coats.Theouterortheonlyseedcoat(ifoneispresent)
iscalledtestawhiletheinneroneisnamedastegmen.
Surfaceoftheseedpossessesafineporeatoneend
calledmicropyle.Hilumisaplacewherefuniculusor
stalkofseedisborne.Someseedsalsoshowchalaza
(placeoforiginofseedscoats)andraphe(partof
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funiculustosedwithseedwall).
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Q-18-40375964
Root shows negative geotropic in
(A)Pothos
(B)Ficus
(C)Acanthorhiza
(D)Sonneratia
CORRECTANSWER:D
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Q-19-40375967
Root which grow from branches of Banyan tree are
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(A)Theyarebranchesoftheshootsystem
(B)Theyareproproots
(C)Theyaretendrils
(D)Theyarespecialorgans
CORRECTANSWER:B
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Q-20-40375971
Leafless stem of onion which produces cluster of terminal flowers is
called
(A)Peduncle
(B)Floralaxis
(C)Scape
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(D)Rachis
CORRECTANSWER:C
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Q-21-40375974
Which is not a modification of stem ?
(A)Tuberofpotato
(B)PitcherofNepenthes
(C)CormofColocasia
(D)Rhizomeofginger
CORRECTANSWER:B
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Q-22-40375977
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Tripinnate compound leaf is the feature of
(A)Morina
(B)Psidium
(C)Rosa
(D)Mimosa
CORRECTANSWER:A
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Q-23-40375983
In Nepenthes (Pitcher plant) the pitcher is formed due to
modification of
(A)Leafleaves
(B)Lamina
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(C)Aestivation
(D)Leafapex
CORRECTANSWER:B
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Q-24-40375987
Find the correct match .
(A)(a) (iv),(b) (ii),(c) (i),(d) (v)
(B)(a) (iv),(b) (ii),(c) (i),(d) (iii)
(C)(a) (iv),(b) (i),(c) (ii),(d) (iii)
→ → → →
→ → → →
→ → → →
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(D)(a) (iv),(b) (v),(c) (i),(d) (iii)
CORRECTANSWER:A
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Q-25-40375981
The terminal leaflets modify into curved hood for climbing in
(A)Wildpea
(B)Cocklebur
(C)Cat'snail
(D)Tiger'snail
CORRECTANSWER:C
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Q-26-40375986
→ → → →
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Inflorescence with thick , fleshy axis and large-colored bract is
(A)Spathe
(B)Spadix
(C)Spikelet
(D)Hypanthodium
CORRECTANSWER:B
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Q-27-40375989
The inflorescence of coriander is
(A)Umbel
(B)Corymb
(C)Typicalraceme
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(D)Umbelofumbels
CORRECTANSWER:D
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Q-28-40375997
The cohesion of stamens is shown by which one of the following
conditions ?
(A)Gynandrous
(B)Gynostegium
(C)Synogenesious
(D)Epipetalous
CORRECTANSWER:C
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Q-29-40376002
Perianth modifies into Iodicules in the members which also contain
(A)Spikeletinflorescence
(B)Monocarpellaryovary
(C)Tetramerousflower
(D)Both(1)and(2)
CORRECTANSWER:D
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Q-30-40376009
A dicot exalbuminous seed is
(A)Wheatseed
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(B)Maizeseed
(C)Castorseed
(D)Peaseed
CORRECTANSWER:D
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Q-31-40376013
The presence of tetradynamous condition and false septum ,i.e.,
replum are the feature of family
(A)Solanaceae
(B)Brassicaceae
(C)Liliaceae
(D)Fabaceae
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CORRECTANSWER:B
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Q-32-40376005
Fruits developing from aporcarpous ovary are
(A)Simplefruits
(B)Aggregatefruits
(C)Compositefruits
(D)Pseudocarpicfruits
CORRECTANSWER:B
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Q-33-40376016
Perigynous flowers and diadelphous condition are found in the
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family ?
(A)Papilionaceae
(B)Caesalpinoidae
(C)Mimosoidae
(D)Solanaceae
CORRECTANSWER:A
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Q-34-40376023
In Pisum sativum, the aestivation of corolla is
(A)Ascendingimbricate
(B)Descendingimbricate
(C)Quincuncial
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(D)Valvate
CORRECTANSWER:B
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Q-35-40375992
The most advanced type of inflorescence is
(A)Corymb
(B)Capitulum
(C)Spadix
(D)Polychasialcyme
CORRECTANSWER:B
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Q-36-40375999
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Development of flowers on old stems is an example of
(A)Anthesis
(B)Polycarpy
(C)Anthotaxy
(D)Cauliflory
CORRECTANSWER:D
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Q-37-40376010
Seeds having longest viability belong to
(A)Chenopodium
(B)Quercus
(C)Nelumbo
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(D)Eucalyptus
CORRECTANSWER:C
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Q-38-40376018
Drug Santonin (anthelmintic) comes from
(A)Artemisia
(B)Taraxacum
(C)Emiliasonchifolia
(D)Cantipedaorbicularis
CORRECTANSWER:A
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Q-39-40376007
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The presence of pappus is the characteristic of which fruit ?
(A)Caryopsia
(B)Coleoptile
(C)Scutelium
(D)Epiblast
CORRECTANSWER:B
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Q-40-40376022
Feathery stigma and versatile stamens are the feature of family
(A)Poaceae
(B)Umbelliferae
(C)Liliaceae
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(D)Malvaceae
CORRECTANSWER:A
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Q-41-40376019
Heterogamous head is with
(A)Rayfloretsonly
(B)Discfloretsonly
(C)Neuterflowersonly
(D)Bothrayanddiscflorets
CORRECTANSWER:D
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Q-42-40376027
![Page 37: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/37.jpg)
Palm oil is extracted from
(A)Glycin
(B)Gossypium
(C)Elaeis
(D)Olea
CORRECTANSWER:C
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Q-43-40375993
The elongated part of thalamus between corolla and androecium is
called
(A)Anthophore
(B)Androphore
![Page 38: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/38.jpg)
(C)Gynophore
(D)Carpophore
CORRECTANSWER:B
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Q-44-40376034
When pistillate and besexual flowers develop on defferent plants.
The condition is
(A)Gynodioecious
(B)Gymnomonoecius
(C)Polygamodiecius
(D)Polygamonoecius
CORRECTANSWER:A
![Page 39: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/39.jpg)
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Q-45-40376020
Zygomorphic flower occurs in the family which is
(A)Papilionaceae
(B)Poaceae
(C)RayfloretsofAsteraceae
(D)Allofthese
CORRECTANSWER:D
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Q-46-40376046
The characteristic type of placentation found in the members of
caryophyllaceae is
![Page 40: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/40.jpg)
(A)Axile
(B)Basal
(C)Parietal
(D)Freecentral
CORRECTANSWER:D
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Q-47-40376008
Single shield of which of the following is an exalbuminous seed ?
(A)Coleorhiza
(B)Coleoptile
(C)Castorseed
(D)Peaseed
![Page 41: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/41.jpg)
CORRECTANSWER:C
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Q-48-40376028
Plants yielding colebiaine belong to the family
(A)Liliceae
(B)Asteraceae
(C)Lamiaceae
(D)Arecaceae
CORRECTANSWER:A
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Q-49-40376025
Monoadelphous condition and pentacarpellary ovary are present in
![Page 42: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/42.jpg)
(A)Chinarosefamily
(B)Peafamily
(C)Potatofamily
(D)Yuccafamily
CORRECTANSWER:A
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Q-50-13466699
Edible roots are found in
(A)rice
(B)wheat
(C)potato
(D)sweetpotato
![Page 43: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/43.jpg)
CORRECTANSWER:D
SOLUTION:
Theediblepartofsweetpotatoisamodified
adventitiousfleshyrootwhichiscalledastuberousroot
orsingleroottuber.Duetostorageoffood,the
adventitiousrootsbecomethickandfleshy.Insweet
potato,theswollenrootsdonotassumeanyshapebut
occursingly.Veryfinesecondaryrootsoccurallover
tuber.
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Q-51-13466704
Which of the following plants bears moniliform roots ?
(A)Momordica
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(B)Curcuma
(C)Dahlia
(D)Asparagus
CORRECTANSWER:A
SOLUTION:
Moniliformorbeadedrootsarefleashlyadventitious
rootswhichareswollenatregularintervalslikebeadsof
anecklacee.g.,Basellaruba(Indianspinach),
Momordicaandsomegrasses.
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Q-52-13466715
Read the following statements and select the correct option.
Statement -1 : the stem tubers are the swollen ends of spcialised
![Page 45: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/45.jpg)
underground stem branches, which help in vegetative propagation
of the plant.
Statement-2 : Solanum tuberosum is an example of a stem tuber
which stores inulin as the main reserve food material.
(A)Bothstatements1and2arecorrect.
(B)Statement1iscorrectbutstatement2isincorrect.
(C)Statement1isincorrectbutstatement2iscorrect.
(D)Bothstatement1and2areincorrect.
CORRECTANSWER:B
SOLUTION:
Stemtuberisanovalorsphericalundergroundswollen
stemstructurewhichdoesnotbearadventitousroots,
e.g.,potato(Solanumtuberosum),Jerusalenartichoke
Helianthustuberosus).Foodreserveisstarchinpotato
![Page 46: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/46.jpg)
andinulininartichoke.
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Q-53-13466730
Which of the following represents the functions of veins in the
leaves ?
(A)Transportoforganicfoodmaterial
(B)Mechanicalsupport
(C)Transportoforganicfoodmaterial
(D)Allofthese
CORRECTANSWER:D
SOLUTION:
Importantfunctionsofveinsare:(i)Conductionofwater
![Page 47: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/47.jpg)
throughxylem,(ii)Providingchannelsfortranslocation
oforganicnutrients,(iii)Conductionofminerals,(iv)
Theveinsandveinletsprovideskeletalsupporttothe
laminasothatitcanremainstretchedforitsoptimum
functioning,(v)Veinsandveinletsreducetheeffectof
wilting.
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Q-54-13466734
Which of the following kinds of venation is present in banana ?
(A)Reticulateunicostate
(B)Reticulatemulticostate
(C)Parallelunicostate
(D)Parallelmulticostate
![Page 48: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/48.jpg)
CORRECTANSWER:C
SOLUTION:
Inpinnateorunicostateparallelvenation,thereissingle
principleveinormidribthatrunsfrombasetoapexof
thelamina.Thelateralveinsrunparalleltooneanother
withoutforminganastomoses,e.g.,Musaparadisiaca
(banana),Canna.
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Q-55-13466739
In spiral phyllotaxy, the number of leaves at each node is
(A)one
(B)two
(C)three
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(D)many
CORRECTANSWER:A
SOLUTION:
Thesimplesttypeofphyllotaxyisalternateorspiral
distichousinwhichtheleavesofabrachformtwo
alternaterows(e.g.,Grass).Inspiralphyllotaxy,asingle
leafsrisesateachnodeinalternatemanner.
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Q-56-13466749
Which of the following represents the edible swollen portion of
Allium cepa ?
(A)Aerialstem
(B)Undergroundstem
![Page 50: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/50.jpg)
(C)Internodes
(D)Leafbases
CORRECTANSWER:D
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Q-57-13466757
A small rootless aquatic herb in which a portion of leaf foms a tiny
sach or bladder which traps water insects is
(A)Dionaea
(B)Utricularia
(C)Sarracenia
(D)Drosera.
CORRECTANSWER:B
![Page 51: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/51.jpg)
SOLUTION:
Leafbladdersoccurintheaquaticcarnivorousplantsof
Utrucularia(Bladderwort).Someoftheleafsegments
aremodifiedtoformsmallbladders.Abladderhas
sensitivehair,brachedtriggerbristles,atrapvalve,
internalandexternalglandsfortrappinganddigesting
smallanimals(e.g.,waterfleas).
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Q-58-13466767
Read the given statements
(i) Gynoecium occupies the highest position while the other floral
parts are situated below it.
(ii) Overy is superior.
(iii) Examples are Brassica, Hibiscus, brinjal, etc.
![Page 52: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/52.jpg)
Which condition of flowers is being described by the above the
statements ?
(A)Hypogyny
(B)perigyny
(C)epigyny
(D)noneofthese
CORRECTANSWER:A
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Q-59-13466786
Overy is one-chambered but it becomes two-chambered due to the
formation of false septum in
(A)Brassica
![Page 53: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/53.jpg)
(B)Pisum
(C)Hibiscus
(D)Dianthus
CORRECTANSWER:A
SOLUTION:
ParietalplacetationoccursinthemembersofFamily
Brassicaceae.InBrassica,ovaryisunilocularbut
modificationoccursanditbecomebilocular,Afalse
septumcalledreplumdevelopsbetweenthetwoparietal
placetaeinmustardandothermembersoffamily.
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Q-60-13466796
X is scar on the seed coat through which the following seeds were
![Page 54: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/54.jpg)
attached to the fuit, above the X is a small pore called Y.
Indetify X and Y and select the correct option .
(A)
(B)
(C)
(D)
CORRECTANSWER:B
SOLUTION:
Theoutermostcoveringofadicotydonousseedisthe
seedcoat.Theseedcoathastwolayers,theoutertesta
andtheinnertegmen.Thehilumisascarontheseed
coatthroughwhichthedevelopingseedswereattached
tothefruit.Abovethehilumisasmallporecalled
X YMicropyle Hilum
X YHilum Micropyle
X YTesta Tegmen
X YChalaza Micropyle
![Page 55: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/55.jpg)
micropyle.Withintheseedcoatistheembryo,consisting
ofanembryonalaxisandtwocotyledons.
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Q-61-13466807
Which floral conditions are represented by the symbols and %
respectively ?
(A)Zygomorphicandactinomorphicflowers
(B)Actinomorphicandzygomorphicflowers
(C)Hypogynousandepigynousflowers
(D)Bisexualandunisexualflowers
CORRECTANSWER:B
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⊕
![Page 56: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/56.jpg)
Q-62-13466814
Which floral family has (9)+1 arragements of enters in the
androecium ?
(A)Malvaceae
(B)Rutaceae
(C)Fabaceae
(D)Caesalpinaceae
CORRECTANSWER:C
SOLUTION:
Mostcommonconditionofandroeciuminthemembers
ofFamilyFabaceaeisdiadelphous(9)+1,inwhichout
oftotal10stamens,nineareunitedbythelowerhalfof
theirtoformanincompletetubearoundthepistial.Tenth
![Page 57: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/57.jpg)
posteriorstamenisfree.
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Q-63-13466841
The mature seeds of plants such as gram and peas, possess no
endosperm, because
(A)theseplantsarenotangiosperms
(B)thereisnodoublefertilisationinthem
(C)endospermisnotformedinthem
(D)endospermgetsusedupbythedevelopingembryo
duringseeddevelopment.
CORRECTANSWER:D
SOLUTION:
![Page 58: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/58.jpg)
Majorityofdicotseeds(e.g.,pea,gram,bean,
mustard,groundnut)andafewmonocutseeds(e.g.,
orchids,Sagittaria),arecallednonendospermicor
exalbuminousseedsbecausetheendospermis
consumedduringseeddevelopmentandthefoodis
storedincotyledonsandotherregion.
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Q-64-40375961
The most dominant plants of present day vegetation are
(A)Thallophytes
(B)Bryophytes
(C)Floweringplants
(D)Pterdophytes
![Page 59: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/59.jpg)
CORRECTANSWER:C
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Q-65-40375965
When adventitious root shows swelling at regular intervals for food
storage , it is called
(A)Tubercularroot
(B)Noduloseroot
(C)Moniliformroot
(D)Annulatedroot
CORRECTANSWER:C
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Q-66-40375968
![Page 60: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/60.jpg)
The underground modification of stem occurs for which one of the
following function ?
(A)Perennation
(B)Storageoffood
(C)Vegetativepropagation
(D)Allofthese
CORRECTANSWER:D
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Q-67-40375970
Modified stem into green , flattened branches of unlimited growth
for assimilatory function is called
(A)Phyllode
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(B)Phyllocblade
(C)Cladode
(D)Chylocauly
CORRECTANSWER:B
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Q-68-40375973
Non-endospermic seed is absent in
(A)Soyabean
(B)Tulip
(C)Lupin
(D)Sunhemp
CORRECTANSWER:B
![Page 62: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/62.jpg)
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Q-69-40375975
A lateral branch with short internodes and each node bearing a
rosette of leaves and tuft of roots is known as
(A)Sucker
(B)Offset
(C)Stolon
(D)Decumbent
CORRECTANSWER:B
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Q-70-40375980
When leaves stand at right angle to next upper and lower pair , then
![Page 63: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/63.jpg)
this phyllotaxy is called
(A)Alternate
(B)Oppositedecussate
(C)Oppositesuperposed
(D)Whorled
CORRECTANSWER:B
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Q-71-40375984
Occurrence of more than one type of leaves on the same plant is
(A)Vernation
(B)Venation
(C)Aestivation
![Page 64: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/64.jpg)
(D)Heterophylly
CORRECTANSWER:D
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Q-72-40375982
The duration between the development of two consecutive leaves is
called
(A)Plastochron
(B)Phytochrome
(C)Phytron
(D)Noneofthese
CORRECTANSWER:A
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Q-73-40375985
The swollen petiole of Eichhornia is made up of
(A)Aerenchyma
(B)Parenchyma
(C)Chlorenchyma
(D)Collenchyma
CORRECTANSWER:A
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Q-74-40375987
Find the correct match .
![Page 66: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/66.jpg)
(A)(a) (iv),(b) (ii),(c) (i),(d) (v)
(B)(a) (iv),(b) (ii),(c) (i),(d) (iii)
(C)(a) (iv),(b) (i),(c) (ii),(d) (iii)
(D)(a) (iv),(b) (v),(c) (i),(d) (iii)
CORRECTANSWER:A
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Q-75-40375995
If stamens are arranged in two whorls with antipetalous outer whorl
, then the condition is
→ → → →
→ → → →
→ → → →
→ → → →
![Page 67: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/67.jpg)
(A)Obdiplostamenous
(B)Diplostamenous
(C)Didynamous
(D)Epiphyllous
CORRECTANSWER:A
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Q-76-40376000
Find incorrect match .
(A)Campanulate-Bell-shadedcorolla
(B)Personate-Bilabiatecorolla
(C)Caryophyllaceous-Butterflyshapedcorolla
(D)Crusiform-Funnelshape
![Page 68: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/68.jpg)
CORRECTANSWER:C
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Q-77-40375778
Taxonomy without phylogeny is similar to bones without flesh is
the statement of
(A)OswaldTippo
(B)BenthamandHooker
(C)Takhtajan
(D)JohnHutchinson
CORRECTANSWER:C
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Q-78-40376003
![Page 69: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/69.jpg)
Vexillum is
(A)Posteriorlargestpetal
(B)Anteriorlargestpetal
(C)Foundinpeafamily
(D)Permanent
CORRECTANSWER:D
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Q-79-40376012
Thorns and spines are -
(A)Respiratoryorgans
(B)Excretoryorgans
(C)Organsofoffense
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(D)Defensiveorgans
CORRECTANSWER:D
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Q-80-40376006
Match the following .
(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)
CORRECTANSWER:A
→ → → →
→ → → →
→ → → →
→ → → →
![Page 71: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/71.jpg)
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Q-81-40376015
Family Leguminosae is classified into three sub-families on the
basis of
(A)Calyxandcorolla
(B)Symmetryofflower
(C)Corollaandandroecium
(D)Corollaandcarpels
CORRECTANSWER:C
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Q-82-40375990
Axis of the spikelet is known as
![Page 72: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/72.jpg)
(A)Rachilla
(B)Pedicel
(C)Appendage
(D)Rachis
CORRECTANSWER:A
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Q-83-40376011
Find incorrect matching .
(A)Anemochory-Taraxacium
(B)Hydrochory-Coccos
(C)Zoochory-Antirrhinum
(D)Autochory-Phlox
![Page 73: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/73.jpg)
CORRECTANSWER:C
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Q-84-40376004
When calyx is shed with the opening of floral bud , it is known as
(A)Caducous
(B)Deciduous
(C)Temporary
(D)Permanent
CORRECTANSWER:A
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Q-85-40375998
The most primitive and advanced type of placentations are ,
![Page 74: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/74.jpg)
respectively ,
(A)Marginalandaxile
(B)Superficialandaxile
(C)Superficialandbasal
(D)Parietalandbasal
CORRECTANSWER:C
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Q-86-40376021
Floral formula
represents which one of the following groups of family ?
![Page 75: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/75.jpg)
(A)CrotolariaandAstragalus
(B)LepidiumandIbaeris
(C)AlliumandAsparagus
(D)VetiveraiandCymbopogon
CORRECTANSWER:C
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Q-87-40376026
Largest angiospermic family with advanced type of placentation is
(A)Poaceae
(B)Asteraceae
(C)Cucurbitaceae
(D)Both(1)and(2)
![Page 76: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/76.jpg)
CORRECTANSWER:B
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Q-88-40376032
Staminal tube comes out of flower in
(A)Pisumsativum
(B)Cassiafstula
(C)Hibiscus
(D)Iberis
CORRECTANSWER:C
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Q-89-40375991
Three types of flowers occur in the inflorescence of
![Page 77: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/77.jpg)
(A)Capitulum
(B)Hypanthodium
(C)Cyanthium
(D)Umbel
CORRECTANSWER:B
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Q-90-40376041
Replum is present in the ovary of flower of
(A)Mustard
(B)Pea
(C)Sunflower
(D)Lemon
![Page 78: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/78.jpg)
CORRECTANSWER:A
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Q-91-40376024
Match the following .
(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)
CORRECTANSWER:A
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→ → → →
→ → → →
→ → → →
→ → → →
![Page 79: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/79.jpg)
Q-92-40376014
The scientific name of black mustard is
(A)Brassicacampestris
(B)B.rapa
(C)B.Juncea
(D)B.nigra
CORRECTANSWER:D
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Q-93-40376004
When calyx is shed with the opening of floral bud , it is known as
(A)Caducous
(B)Deciduous
![Page 80: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/80.jpg)
(C)Temporary
(D)Permanent
CORRECTANSWER:A
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Q-94-40375988
Bisexual sessile and bracteates flowers developing acropetally in
(A)Raceme
(B)Panicle
(C)Spike
(D)Corymb
CORRECTANSWER:C
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Q-95-13466702
Select the group of plants that posess stilt roots.
(A)Zeamays,Rhizophoramangal
(B)Pandanusodoratissimus,Ficusbenghalensis
(C)Rhizophoramangal,Hederahelix
(D)Ficusbenghalensis,Pisumsativum
CORRECTANSWER:A
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Q-96-13466710
Unbranched, erect, cylindrical stouta axis with distinct nodes and
internodes and with joined appearance is called as
![Page 82: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/82.jpg)
(A)runner
(B)sucker
(C)culm
(D)caudex.
CORRECTANSWER:C
SOLUTION:
Erect,unbranchedstemswithdistinctnodedand
internodesarecalledculms,nodesareswollengivinga
joinedappearance,e.g.,bamboo.
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Q-97-13466720
In Bougainvillea, weak stems rise up a support by clinging to it with
the helo of curverd thorns, such plants are called as
![Page 83: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/83.jpg)
(A)tendrils
(B)hooks
(C)offsets
(D)scramblers.
CORRECTANSWER:D
SOLUTION:
Bougainvilleaisoneofmanyplantsthatfallintothe
scramblerscategory.Theseplantshavelong,flexible,
curvedstemthornswhichhelpthemingripping
neighbouringstemsandclimbing.
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Q-98-13466731
Reticulate venation is a characteristic of dicots. An exception to this
![Page 84: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/84.jpg)
generalisation is
(A)Calophyllum
(B)Ficus
(C)Hibiscus
(D)Zizyphus.
CORRECTANSWER:A
SOLUTION:
Inreticulatevenation,theveinletsformareticulumor
network.Reticulatevenationisfoundindicotsexcept
Calophyllum,Corymbium,Eryngium,etc.
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Q-99-13466736
![Page 85: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/85.jpg)
A simple leaf can be differentiated from the pinnae of a compound
leaf on the basis of presence or absence of
(A)numberofpinnae
(B)shapeoflamina
(C)axillarybud
(D)lateralbuds.
CORRECTANSWER:C
SOLUTION:
Acompoundleadisthatwherethelaminaiscompletely
brokendownintodistinctsegmentsorleafletswhichare
separatelyarticulatedatbase.Leafletsresembleleafin
havingbasemstalks,blade.Leafletsdifferfromthe
whoseleavesintheabsenceofaxillarybuds.basal
stipulesandorigininthesameplane.
![Page 86: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/86.jpg)
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Q-100-13466745
Leaf tip tendrils are present in
(A)Smilax
(B)Lathyrus
(C)Pisum
(D)Gloriosa.
CORRECTANSWER:D
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Q-101-13466754
Parkinsonia is a good example of
![Page 87: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/87.jpg)
(A)phylloclade
(B)parachutemechanism
(C)phyllode
(D)wingedfruits.
CORRECTANSWER:C
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Q-102-13466759
_________inflorescence is a compact spike-like inflorescence with
small unisextual flowers.
(A)Spike
(B)Corymb
(C)Catkin
![Page 88: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/88.jpg)
(D)Umbel
CORRECTANSWER:C
SOLUTION:
Catkininfloresceneisacompactunisexualoften
hanging,spikewhichmatkuresandfallsdownasa
singleunit,e.g.,mulberrypoplar.
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Q-103-13466768
Ovary is said to be half inferior in which of the following conditions
?
(A)Hypogynous
(B)Perigynous
(C)epigynous
![Page 89: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/89.jpg)
(D)Both(b)and(c)
CORRECTANSWER:B
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Q-104-13466775
Find out the incorrect match
(A)Sterilestaman-Staminode
(B)Stamensattachedtopetals-Epipetalous
(C)Stamensattachedtoperianth-Episepalous
(D)Freestamens-Polyandrous
CORRECTANSWER:C
SOLUTION:
Whenstemensareattachedtotheperianth,theyare
![Page 90: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/90.jpg)
knownasepipyllous,e.g.,Asparagus,lily.
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Q-105-13466789
Maize grain is a fruit known as
(A)cypsela
(B)caryopsis
(C)legume
(D)achene.
CORRECTANSWER:B
SOLUTION:
Caryopsisisasmall,indehiscent,oneseededfruit
developingfromamonocarpellaryovaryinwhichthe
![Page 91: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/91.jpg)
pericarpisfusedwiththeseedcoat.Theseed
completelyfillsthechamber,e.g.,wheat,maize.
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Q-106-13466799
Endospermic seeds are found in
(A)barley
(B)castor
(C)pea
(D)both(a)and(b)
CORRECTANSWER:D
SOLUTION:
Foodstoringtissueofaseedisendosperm.Inflowering
![Page 92: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/92.jpg)
plants.Itisproducedasaresultofdoublefertillsation.In
mostmonocotandsomedicotseeds,thefoodreserve
remainsintheendosperm.Theyarecalledendospermic
oralbuminousseeds,e.g.,cereals,castorbean,
cocount,rubber.Inmajorityofdicotseeds(e.g,pea
gram,bean,mustard,groundnut)andsomemonocot
seeds(e.g.,orchids,Sagittaria),theendospermis
consumedduringseeddevelopmentandthefoodis
storedincotyledonsandotherregions.theyarecalled
non-endospermicorexalbuminousseeds.
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Q-107-13466810
Marginal placentation is generally found in family
(A)Leguminosea
![Page 93: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/93.jpg)
(B)Cucurbitaceae
(C)Malvaceae
(D)Brassicaceae
CORRECTANSWER:A
SOLUTION:
Inmarginalplacentation,oneortwoalternaterowsof
ovulesoccurlongitudinallyalongtheridgeinthewallof
theovaryintheareaoffusionofitstwomarginsor
ventralsuture,Atrueplacentaisbelievedtobeabsent.
Ovaryisunilocular.Marginalplacetationisfoundin
monocarpellarypistilsofLeguminosae(e.g.,Pea,
Cassia,Acacia)andotherplants(e.g.,Larkspur).
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Q-108-13466818
![Page 94: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/94.jpg)
Presistent calyx is the character of plants belonging to Family
(A)Solanaceae
(B)Malvaceae
(C)Cruciferae(Brassicaceae)
(D)Compositae.
CORRECTANSWER:A
SOLUTION:
InmembersofaFamolySolananceae(e.g.,Solanum),
sepalsremainsattachedtillthematurationofthefruit
anddonotfalloff,thustermedpersistent.
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Q-109-13466826
![Page 95: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/95.jpg)
Which of the following is a correct combination of family and its
respective members ?
(A)Fabaceae-Colchicumautumnale,Trifolium
alexandrinum
(B)Solanaceae-Withaniasomnifera,Petunia
(C)Liliaceae-Sesbania,Asparagus
(D)Asteraceae-Sonchusasper,Nicotianatabacum
CORRECTANSWER:B
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Q-110-13466832
Roots are modified to perform specific functions other than their
normal functions.The given figure shows modification of the roots
of mangrove plant.Select the incorrect option regarding it.
![Page 96: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/96.jpg)
(A)Thestiltrootsofredmangrovehelpinbreathing
(B)Therootsystemishighlyentangled,hugeand
extensiveunderthewater.
(C)Alargenumberofanimalssuchassmallfishes,
crustaceans,seahorses,etc.findshelterinthisroot
![Page 97: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/97.jpg)
system
(D)Besidesprovidingmechanicalsupport,theseroots
alsoperformphotosyntheticfunctionsintheplant.
CORRECTANSWER:D
SOLUTION:
Redmangroves,whichcansurviveinthemost
inundatedareas,propthemselvesabovethewaterlevel
withthehelpofstiltrootsandcanthenabsorbair
(oxygen)throughthelenticelspresentinthestiltroots.
ThegivenfigurerepresentsthestiltrootsofRhizophora
species(e.g.,Rmangle),commonlycalledred
mangroves.Stiltrootarisefromthestemorstem
branchesandgrowtowardsthesoilwherethedevelop
anunderwateranddevelopahugeandextensive
underwaterrootsystemwherecountlessanimals
![Page 98: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/98.jpg)
espiciallysmallfishes,seafishes,seahorsesetc.,find
shelter.
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Q-111-40375962
The origin of root hairs and lateral roots is , respectively ,
(A)Exogenousandendogenous
(B)Endogenousandexogenous
(C)Bothendogenously
(D)Bothexogenously
CORRECTANSWER:A
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Q-112-40375966
![Page 99: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/99.jpg)
Pneumatophores are generally present in
(A)Mangroveplants
(B)Xerophytes
(C)Hydrophytes
(D)Epiphytes
CORRECTANSWER:A
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Q-113-40375969
Find the correct match .
(A)(a) (i),b (iii),(c) (ii),(d) (iv)→ → → →
![Page 100: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/100.jpg)
(B)(a) (iv),(b) (iii),(c) (ii),(d) (i)
(C)(a) (iv),(b) (iii),(c) (i),(d) (ii)
(D)(a) (iii),(b) (iv),(c) (ii),(d) (i)
CORRECTANSWER:B
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Q-114-40375972
Analogous structure of phylloclade is called
(A)Pitcher
(B)Phyllode
(C)Cladode
(D)Bulbil
CORRECTANSWER:B
→ → → →
→ → → →
→ → → →
![Page 101: Download Doubtnut Now€¦ · MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now Q-1 - 13466695 Read the given statements and](https://reader033.fdocuments.us/reader033/viewer/2022052314/5f131b58614b675f66477ec8/html5/thumbnails/101.jpg)
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Q-115-40375976
Acaulescent habit is related to
(A)Alliumsp.
(B)Iberissp.
(C)Polyalthissp.
(D)Palms
CORRECTANSWER:A
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