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NEET REVISION SERIES MORPHOLOGY OF FLOWERING PLANTS Revise Most Important Questions to Crack NEET 2020 Download Doubtnut Now 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) Both statements 1 and 2 are correct. (B) Statement 1 is correct but statement 2 is incorrect. (C) Statement 1 is incorrect but statement 2 is correct. (D) Both statement 1 and 2 are incorrect.

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Page 1: 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

NEETREVISIONSERIES

MORPHOLOGYOFFLOWERINGPLANTS

ReviseMostImportantQuestionstoCrackNEET2020

DownloadDoubtnutNow

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

WatchVideoSolutionOnDoubtnutApp

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.

WatchVideoSolutionOnDoubtnutApp

(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.

WatchVideoSolutionOnDoubtnutApp

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.

WatchVideoSolutionOnDoubtnutApp

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

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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

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(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

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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

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(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

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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

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(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

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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

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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

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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

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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

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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

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(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

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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.

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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

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(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

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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

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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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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

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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:

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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

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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

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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

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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

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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

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(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 .

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(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

→ → → →

→ → → →

→ → → →

→ → → →

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(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

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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

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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

→ → → →

→ → → →

→ → → →

→ → → →

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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

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(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

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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 ,

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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 ?

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(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)

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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

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(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

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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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→ → → →

→ → → →

→ → → →

→ → → →

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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

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(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

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(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

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(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

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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

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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.

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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

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(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

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(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

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(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

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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

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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

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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

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(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

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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

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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.

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(A)Thestiltrootsofredmangrovehelpinbreathing

(B)Therootsystemishighlyentangled,hugeand

extensiveunderthewater.

(C)Alargenumberofanimalssuchassmallfishes,

crustaceans,seahorses,etc.findshelterinthisroot

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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

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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

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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)→ → → →

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(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

→ → → →

→ → → →

→ → → →

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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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