plus two march 2014 botany question paper

Upload: vengatraja84

Post on 02-Jun-2018

214 views

Category:

Documents


0 download

TRANSCRIPT

  • 8/10/2019 Plus Two March 2014 Botany Question Paper

    1/12

    \.

    oi

    irrintcli i)agei : 12

    l"iarc,tr-

    U\+

    PATTT - III

    pneurlar9lureu

    /

    BOTANY

    (pdlF

    LoSg

    Li

    4ra$lo:

    org

    /

    Tamil & English

    Versions)

    www.ka t

    iso$ai'c6-.

    I

    Cl

    DnFs D0 C

    ,atrsd'

    :

    liO

    pqLc:3LoemfJ

    Time

    Allorred

    : 3 Hours

    ] lMarimum

    NlarLs

    : 150

    gflqoory

    :

    (1)

    (,2)

    (2)

    Inshll(:tions

    : (1)

    gr

    6ir6ir5g

    e$Lemn&sqggb erfluna il$'ernd

    zoiorpn

    erdrllpeoor

    e

    rfl

    r

    n

    ri

    p

    g

    ri

    G

    e noirorrel

    Lo.

    +1

    ri*

    Lr

    r

    $

    er9l

    d

    gao

    p

    u9

    g

    Lr L9

    dr

    +l

    aopri;

    selnsnrofl

    rrncnfl rLb rreorquna,$

    Gpifler9tiseqrn.

    $erb

    eteleu5t

    sqSrq arLcu9enen

    Lor@Gm erlgglarp$6gLr

    Lrueirr@$p

    Gora;or@ Lb. r uriradr or en

    lerpDlg

    G rrh8eb u ueirL

    @$pell

    Lb.

    Check

    the question paper

    for

    fairness

    of printing. If

    there is any lack

    o{

    faimess,

    in{onn

    the

    Hall Supelvisor illr]nediately.

    Use

    Black

    or

    Blue ink

    to wdte and pencil

    to draw

    dlagrams.

    30x1=30

    u(55l

    -

    )l

    /

    sEcrIoN-A

    gdlnll

    :

    (i)

    9l6i)5 r5gl

    e$eoirri;oqgrigib o9larruroflouelLo.

    (ii)

    sflurrsii

    e0eoroourli Gp,:$Gp@d;g

    olLggto.

    Note:

    (i)

    Ansrver

    all

    the

    questions.

    (ii)

    Choose

    and

    write

    the correct

    answer.

    r.

    SgGer

    6)r,ufl@

    genparu

    .+fl19oslru@$pLr

    pnarqra6udo

    eglgri-:

    ("st)

    sGrn6D6iD alldncaru-r

    o,i.r

    (g)

    oneiuun@

    L.

    npufletr

    ($)

    en Ggr+u rn rein groOrisir (r.r)

    :rlLra,llr

    6rdr6nir

    The

    iloiaiist rvho introduced

    binomial

    system

    is

    :

    (aJ

    Carollrs

    Linnaeus

    (c)

    Sir

    Jot-'ph

    Dalton Hooker

    (b)

    Gaspard Bauhin

    (d)

    Actolf

    Engler

    wwwkalvisolai'Gom

    I

    $)15Lrla

    /

    Turn

    over

  • 8/10/2019 Plus Two March 2014 Botany Question Paper

    2/12

    3843

    2

    2.

    Lorll6rrgSl

    or6oeuLrnLq6in

    slELrLrcoLLrqd

    egel9l$$l6olrp

    Frorr

    6r(5ur9)6i

    GLDbLTtrO

    .sleor$g

    6@LbuLb

    :

    (=lr) LIlSGoocr,Sl

    (+)

    elrflGs6l

    (@)

    qri6,6lcr6l

    (n')

    goiuuGTd)

    The

    highly

    advanccd

    family

    in

    monocotyledons,

    according

    to Phllogenetic

    system

    of

    classificalioll:

    (a)

    Mtsaceae

    (b)

    r\recaceae

    (c) Orchidaccae

    (d)

    Asteraceae

    3.

    "'.GrGrfl

    gOLbLr$Fr6)rI

    l5eus$$d

    sr6irrL]t.r@Li

    gdu

    9r@

    g:eop

    :

    (ell)

    o,lllai

    Oq

    6cl

    gr@

    genp

    (+)

    el+e

    6eu

    9r@

    geop

    (6)

    .g+sgO

    gLO

    @6op

    (r')

    aorrigdo

    8L0

    (96D1'

    The

    iype

    ol

    placentation

    seen

    in

    the members

    of

    Fabaceae

    is

    :

    (a) marginal

    placentation

    (b)

    axile

    Placentation

    (c)

    basal

    placentatiotl

    (d)

    patietal

    Placentation

    4.

    $riGeonln

    snrionSlodlu

    nolleiir

    Slaoeuuleinrooq

    :

    (er)LonlfleoeuuenLoq

    (+)(59tigLo9&6o$lrlaoauu-rorLoeq

    ($L) errr

    $ooeuu..:eoroeq

    (r-r)

    opr

    $areuualLoeil

    I he ph\'lola\\

    in

    l.o"J

    'oc :n'd

    ic

    '

    (a)

    Aliernate

    (b) Opposite

    dccussate

    (c)

    Whorted

    (d)

    Spirat

    5.

    6ornG;n@6g

    615

    er@$5&arL

    @

    :

    (gr

    )

    L9)6D6Dnpp6iD

    erLbrgoflrisn

    (q)

    Gryot enoiu

    oLbgafloiu

    ($)

    gL-Gqn"".rn

    gnsnoiu (n)

    g'"'Grnir9un

    $69ri;soiiai

    An

    example

    for cladode

    is

    :

    (a) Phvllanthus

    Emblica

    (b) Ricinus

    Communis

    (c)

    Iairopha

    Curcus

    (d) Euphorbia

    Tirucalli

    vw{nir. ka

    lvis

    o E

    a

    i

    "csr}?

  • 8/10/2019 Plus Two March 2014 Botany Question Paper

    3/12

    3

    '6DLlfl

    $f

    Lb' 6r6inp

    Glsre

    a,9prq

    Glrpur@Lb

    pneuTLb

    :

    (

    ":l

    )

    61eo1en$pioLb

    denGTrfl

    """GrrefluLb

    (g)

    gnqddun

    onrflrALon

    ($t

    )

    snri$pnLooiu qrarGrnrfl uoiu

    (

    r-r,) erdefl1.lrr qG9n,;iurGprrn

    "PyrethrLlm"

    a

    mosquito repellant

    is

    obtained

    fuom

    this

    plant

    :

    (a)

    Cltysanthemum

    cinerari

    folium

    (b)

    Artemesia ma.itima

    (c)

    Carthamustinctorius

    (d)

    Eclipta

    prostrata

    '

    up@are6rfl

    6irr

    Glsnririo

    roeuf

    '

    ereinpatprioLr

    r

    @elgt

    :

    (et)

    rdgaun

    Lrr[L+er{lu]rr5n

    (

    g) aiu6ufl

    er5lrdun

    G[e]G6bT

    r@',

    r-

    ou6erci,er,n

    Lo e.-r slr

    6i 461,

    (

    '-r,)

    GgacflGonodlur

    AEd6.rrb

    ''Ihe

    bird of

    paradise

    flower' rcfers

    to

    :

    (a)

    N4usa paradisiaca

    (b)

    Strettzia re8inae

    (c)

    Ravenalamadagascadensis

    (d)

    Heliconia

    sp.

    3843

    6.

    7.

    8.

    prer:[S$l6in

    pnrag

    periooh

    erainleoeu

    ')t)

    un,einans

    D

    j)))

    6..d

    6r,d)

    The

    suppoltillg

    cells

    of

    the

    plants

    are

    :

    (a) Parenchyma

    (b)

    Xylem

    (@)

    qGornu.l6

    (r+)

    pnriooh

    (c)

    Phloem

    (d)

    Fiben

    S.

    11lSlil,6.g

    eaieuarrrigpnur

    a,gooflel,

    eeleuao

    ugi

    pLO56rfl6i

    Ldr6r

    g6D6IT66D6n

    sl6i)Lri(gb 6l

    ngeir

    r

    (et)

    gr

    flei'r

    (.9)

    GoGeoneiu

    (St)

    G+engGarrieiu

    (n)

    Gluriqoiir

    The substance

    which

    blocks the

    pores

    in

    the Sieve

    plate

    of mature

    Sieve element

    is

    :

    (a)

    Subedn

    (b)

    Callose

    (.)

    Cellulose

    (d)

    Peciin

    www.kalvisclai.corn

    [

    $llquqo

    /

    Turn

    over

  • 8/10/2019 Plus Two March 2014 Botany Question Paper

    4/12

    3843

    10. 6 g5lsc1.r6

    n6i

    greFcptr6]t6D

    6r6inTLr

    Lr

    Gdl6i,rp6i1.

    (e)

    919

    a'i$$eoeu$

    pnarl

    $rcoo

    (4)

    $g

    e'5l$$teoeu$

    prerl$

    pain@

    ($)

    $O

    6fi1$$.DGD$

    pnorqr

    Geri

    (r.r)

    9g;

    er9l$$leoeu$ pro

    [$

    p66n@

    The

    passagr:

    cells are forrnci

    in

    the

    endodermis

    of

    --"

    11.

    65

    G6]ri6d'

    66f

    dlO,ogr

    Gpneirg8oi'rpeor

    :

    (st)

    i. eo

    qrGsrdlonneir

    r

    (q1)

    eo

    qGerGlrn

    dloiLr

    ($)

    Glrfleooridlcir

    (r'r')

    .ole,$Gsnd

    L r.rdl

    1.

    ,l-

    r_"

    or,grl.rt,

    J fr'or

    :

    (a) Monocot

    leaf

    (c) Dicol

    rool

    (a) Trichoblasl

    (c)

    Peicycle

    12.

    9119

    Lr

    l$pi)eir

    6rrul6up

    slp6ii

    sainr

    Serg

    :

    (sl

    )

    6rdrrG[r

    l5Gqr6iJrrog]

    (@t)

    r9'4luneug)

    'The

    determinallon

    of

    ihe

    age

    of

    a

    (a) DenrlrocronologY

    (.)

    Physjcloi{

    (b) Dicot

    slem

    (d) Mono.oi

    siem

    (b) Rhizortermis

    (d)

    Endodermis

    g

    ai,r@

    or at

    ar

    u rl

    a

    a{l efi

    rraioradl

    li

    6D s eo ul

    al el

    $

    gl

    (q1,)

    eorrGrnGr$5reog )

    (n') rne0eorneogl

    l]ee by counting

    the

    annual

    dngs

    is

    called

    :

    (b) I']hytopathoiogY

    (d)

    Polynolog',-

    -t

    i.

    $einoe'fleiir

    Gleuelu

    n r@

    (er) rdgrrneir

    (@t)

    G)[li;on6i1

    Tl.e

    functional

    uni'.

    oI Gene

    is

    :

    (a)

    Muion

    (c)

    Recon

    14.

    r-Ll6irL-6l6iflL6iD

    6GprGLonGenLb

    $$eu

    (.r)erqGL'no'r

    $'+

    ($)

    rdP$rie+ruEl

    Dur,ble

    rnrr;,e

    rhr'

    lo'ome

    o'curc

    :n

    (a) Adipose

    lissue

    1c)

    Salivary

    gland

    Jll6D(5

    6r6irL-r9

    :

    (-5) Cloiu r[r6i,r

    (n)

    r-6l91r

    r nG

    g

    eins

    eir

    (b)

    Cistron

    (d)

    Nlutagens

    L6r'r61r5l

    l

    (+5) estaoer

    (Fr) LtbgrcprLr

    Cls6l56ir

    (b)

    Oocyte

    (d)

    Cancer

    cells

    www.kalvisolai.com

  • 8/10/2019 Plus Two March 2014 Botany Question Paper

    5/12

    RNA

    -

    5

    m-ltNA

    -

    6gl6ir

    st6Jral

    (+)s

    10%

    (6

    )

    3,s'v"

    of

    thc l(NA

    contellt of

    tllc cell.

    (b) 5-10""

    (c)

    3-si

    16.

    Ll[pe

    G+irrieos;ou.g

    6pnrru6

    aoarrigLb

    69rpeu

    eriGopo

    sr6l6D51

    g]6 .461i

    erircapLb

    -2,61D

    (g)AAG (6t

    ccc

    (ii,)

    UGA

    or starting codon

    of protein

    synthesis is

    (b) AAG

    (c) CCC

    (d)

    UGA

    3843

    15.

    Clsde0d roiron

    (sr

    )

    10-209/"

    m RNA is

    about

    (a)

    10-20%

    (lf)

    20-309/,

    (1)

    20 307"

    \Mich

    ol

    the

    following

    product

    decreases

    blood

    ptessure

    ?

    (sr)

    AUG

    'fhe

    irrltial

    (a)

    AUC

    (er

    )

    @eirrfdlg&6lair

    (@)

    @einri.""6Llneir

    (

    g

    )

    Clparfld

    p@Lrrneinseir

    (m)

    @tab+e0eir

    (b)

    Renin

    inhibitors

    (d)

    Insulin

    (g)

    eo[GerL ]u-r

    6

    (n')

    eiuarr.lggcfleon

    (b)

    Rhizobiun

    (d)

    Spirullna

    (a)

    Interleukin

    (c) Interferon

    18. Clrolrr

    eroanGrn rnri8eir" eronLrr@Li

    peeLrqqB$eop

    r$rpp GleurqLb

    zuSlflenLi

    (

    et

    )

    eroiuG)erfla$u

    r

    Gener5)

    (

    -)

    eiu

    uGllLr Grnao

    Lod oiu

    dlooy$luoiu

    ,$,

    G-d

    eter,"'ir

    gfl@aL

    enClen

    (

    r-r,)

    et6Gfr

    rnrir-rflu6 qq

    6.""GrF ueinoiu

    A toxic

    protejn "Delta

    Endotoxill" is produced

    by :

    (a)

    Es.herichia

    Coli

    (b)

    Streptoml-cesBrieseus

    (c)

    Bacillusthuringiensis

    (d)

    Agrob?.lPnLn-

    nrnp rc ie n.

    19. 8$d;oarterSgcir erg

    periGeol

    L1rp

    Lullfl6irLb

    ?

    (st)

    oiu

    Clr

    q

    L.l

    G

    r

    nar

    Lo

    6

    oiu

    ($)

    Goa\lu:

    rn

    (a)

    Stleptomyces

    (c)

    Galium

    \4{rich

    one

    of

    the

    following

    organisms

    is a SCP ?

    www"$(alvisolai.com

    [

    6]OLrLlr6

    /

    Turn

    over

  • 8/10/2019 Plus Two March 2014 Botany Question Paper

    6/12

    3843

    6

    20.

    Lr+6oeur$Sl6i

    a

    D'-rg6,4g

    GpeoorLrr@6

    gl6d)LrrG)rr19dr

    :

    (er) rug

    (:g) r"

    (6)

    cl

    (

    t-r')

    Mn

    The

    essenilal cornPonent

    for

    the

    formation of

    chlorophyll is

    :

    (a) N4B ft)

    Fe

    (c) cI

    (d)

    Mr

    21. (geDdG6rt616D

    r ireiu

    r rfleqremoaoru&Geul

    gl gqgtiGsnoiu-

    6 r r neilGu

    rrno

    -p

    -o6i

    d6'r-bC96

    (et)

    gdGL-nGeuoi:

    (.9) erGerrnGeuciu

    ($t) eorge$6

    eoeGaroiu

    (n')

    6po&Gor;r

    rosGenoiu

    Glucose

    is phosphorvlated

    to

    glucose-6

    phcsphate

    bY the

    enzyme

    :

    (a)

    Aldotase

    (b)

    Enolase

    (c) Py'ruvic

    kinase

    (d)

    Hexo

    kinase

    22.

    goieGeri

    d,arsu0a

    $qelr

    ai eoansanonri

    satrrfl$per

    n

    :

    (gt)

    obrain

    Lo$gri

    GLourri

    (e.r) 6

    Loeua9ein ane"ier9loir

    (@l)

    dllLroiu

    (Fr') Lrri6,r6[)

    'lhe

    dark

    reactions

    of

    photosvnthesis

    were

    disccvered

    t'r

    :

    (a) Embden

    and N'{eyer

    [b)

    \le\ in

    Call.in

    (c) Krebs

    (d)

    Parnas

    23.

    Geufoos

    .+i;Clgi,g

    gir o$l$96arr@

    :

    (s,)

    IAA

    (+)

    PAA

    (g)

    ABA

    (Fr) NAA

    \r

    .

    'Jmple

    rolvn'h.li'

    dL\in,

    :

    (a)

    lA.A

    (b)

    PAA

    (c)

    ABA

    (d)

    NAA

    24. Ca

    pr6 [nr661]eir

    esarp

    rarp Geebsofleu

    L6iTcrr

    cor

    -E

    qD(56

    ClLr

    rgcir

    :

    (.el)

    RUBP

    (+)PEP

    (g)

    PGA

    (Fr)

    DHAP

    The

    CO2

    acceptor

    mclecule

    folnd

    in

    the

    Bundle

    Sheath

    cells

    oI

    C4

    plant

    i' :

    (a) RUBP

    (b)

    PEP

    (c) PGA

    (d)

    DHAP

    2a.

    ,

    6 $aa

    "

    r,$$

    eir s6r'Is

    ''61.1

    :

    (sr) 0.36

    (+)1

    (g)

    1.33

    (")

    U+ouppgr

    The

    respiratory

    quotient of

    malic

    acid

    ls :

    (a) 0.36

    (b) i

    (c)

    'l

    33

    (d)

    InfinitY

    www.kalvisolai.com

  • 8/10/2019 Plus Two March 2014 Botany Question Paper

    7/12

    7

    zeqs

    26.

    GlreirGL_neiu

    L:rooGr

    -

    erg $o-6

    $$ai

    ror@GLo

    $agdlpg

    :

    (et)

    arerGrn

    r9enne6

    (g)

    aoLorGrnsnanL-rFlur

    ($)

    CtrlnriarllGerLb

    (r,)

    r+rarsoofla6

    Pentose

    phosphate

    pathwa\.

    takespiace

    only

    in

    the

    :

    (a) Cltoplasm

    (b)

    tv4ftochondria

    (c)

    Pero;tisome

    (d)

    Chtol.optast

    27.

    Glo:]iremaxrGseqeiir

    aroirp

    GL:ueo7

    e$l

    (9rsLr

    r@$$uorri

    ;

    (.s)

    G CgarL-irGeuainl

    ("+)T.D.

    eoer6eeirGar

    (S))

    ggGenarn

    (n)

    L16s6ir6ru

    The

    ierm

    'vernalization'

    v,,as

    lirst

    introduced

    by

    :

    (a)

    G.

    Haberlandr

    (b)

    T.D.

    Lysenko

    (c) Kuruso \,'a (d)

    Dickens

    28.

    oiu 16

    qrLr

    Grnen

    Lofleir

    _._

    o 6$91

    6lrprr@6pg.

    rer

    (l

    ref

    SoE

    Lb Gpr

    G

    ,

    i

    (g)

    eiu16TLrGrneomftoi:

    dlrfl8uiorr;

    (@l)

    arr16[LrGrr6i)o6oiu

    grflGunGl6ueiroiu

    (

    n

    )

    oiurG)1r

    G-nenLo6en_r

    6loretf

    aGar

    Sh-eptomycin

    is obtained

    frcm

    _-

    (a)

    Penicilliumnoratum

    (b)

    Shcptomyces

    griseus

    (c)

    Streptom],cesaureofaciens

    (d)

    Streptomycesvenezulae

    29.

    LD6irLb

    DEgLb

    LL6t

    6gAsg$i6n

    @9$gl

    6rq@irr

    ru_eiug)$p,r

    r@Lo

    rD(gp$r

    _._.

    (-:;t)

    r$g?rdi6nt6i'r

    (q)gu9meneit

    (S)

    Lonn"".Liafr

    (r-r)

    $einGleor

    -

    drug

    is

    used for

    mental

    and physical

    str-"ss

    relaxaiion.

    (a)

    Digoxin

    (b)

    euinine

    (c)

    Morphine

    (d)

    Ginseng

    30.

    "6rrG6"

    erelrr

    l$)Lit rog]uremLi

    Spaoar

    6pnp6e

    ateu$g

    punrfl6ellu@dp5l.

    (et)

    Gsr'geoLo

    (+),.,O5p1

    er$eog

    (@)

    e1R6 (r-r)

    peuBsrareu

    'Sake'

    is

    an

    alcoholic

    beverage

    prepared

    by

    the

    fermentation

    of :

    (a)

    Urheat

    (b)

    Cottor

    seert

    lc)

    Rlce

    (cl)

    Groundnut

    ri{rrdw.

    ka

    EvE

    $e

    i

    a i'

    C

    o

    rm

    |

    $plLrqo

    /

    Turn

    over

  • 8/10/2019 Plus Two March 2014 Botany Question Paper

    8/12

    3843

    ugSl

    -

    SlSECTIoN-B

    Odl,f,

    6r6olo.rGurgl6u$leoorrp5lo0ornriaqg66o,9eoruafltioeqLb.

    15x3=45

    Note:

    Ansr^,er

    any

    fifteen

    questions-

    31.

    qg8rfluri

    6ruri

    gf1$gan ereiiipneu

    eretrem?

    or@$5l6otu@

    p19s.

    What

    is

    called

    auihor citation

    ? Give

    an example.

    :2.

    LoneuGerdlu9lair

    dr6o5uurLo

    @areuoou

    erqggLs.

    Mention

    the

    systematlc

    posilion

    of

    Malvaceae.

    ss. floirGlgaofla$uoiu

    Looq$ppncir

    ereinpnel creiran

    ?

    What

    are Syngenesious stamens

    ?

    34.

    rne0GoLoefu

    areirpncl

    ereirein?

    er@$5l6onL-@

    pgo.

    \{4rat

    is

    poll,gamous ? Give

    an

    example.

    35.

    LIG[rLGLr66i5leuLb

    @enrGleuofl

    ereinpnel

    ereirien

    ?

    l4/hat

    is

    proto\ylem

    la.nna

    ?

    36. dc6nn6

    dl6irnu

    rm .

    Define

    Genome.

    37.

    una$lrqain

    6GlnGonGenr-0ein

    LrLb

    ar6DDIbSl

    lnomoooon6

    1gfl.

    Draw

    dre

    structure of

    polytene cl,romosome

    and 1abel

    the parts.

    38.

    lrr+u-rriisti

    6r6inp[6iD

    6r6itr6i1?

    \Mlat

    is transcription

    ?

    39.

    U)6r)6&'g

    gL0p6D

    6r6inDr6i

    6r6ijr6ir?

    DeIine splicing.

    40. Luqlflur

    SpeoroLrrnrisib

    ereirpneu ereineu

    ?

    W

    r.rl

    is meant

    b)

    bio

    remedi,tion

    l

    rritww.

    kalvisolai.Gom

  • 8/10/2019 Plus Two March 2014 Botany Question Paper

    9/12

    3843

    41.

    42.

    45.

    ea6(q66luLl

    +Dp6l

    6r6inpr6l

    6r6i,r6ir

    ?

    Define

    er1etgy

    of

    activaiion.

    oorid

    Gs

    .

    d6i-e

    ,6l6ir

    o-.t

    OGlLorr$p

    s

    D6inLrc.

    6i_

    "

    U.og6.

    Wdte

    the

    overall

    equation

    oI photosynthesis.

    @rgei'-

    o9ailerreo

    u

    orao

    7ug.

    Define

    Dark

    reaction.

    6npdl6l6in

    oelne$$)ein

    e6)l re

    n:q

    prqorgie

    elrp5].

    5ntr6Idrlb

    e,gt.

    The

    respiratoly

    quotient

    for

    anaerobic

    respiration is

    infinity.

    Give

    reason.

    grio{lgGai$p

    unoiulrfl

    oTrror6

    areingnel

    areiiran

    ?

    14hat

    is

    oxidative

    phosphorylation

    ?

    46.

    =l1116l$16

    etr-6leu$$ri,r

    qGpgl6

    greirg

    arnplergludu

    o,slaroroqoeoor$

    p19s.

    Write

    any

    three

    physiological

    effects

    of

    abscisic

    acid.

    47.

    g6rfl

    65it6Dpig]6 Lb

    ouorlu.rg.

    Define

    photopedodism.

    48,

    goflrilpelrLb

    6r6iirpn6i

    6r6iJr6ur

    What is

    vemalization

    ?

    49.

    zu9

    riLt6

    l n1goir

    G)sneiroron

    oreirpnci

    oroino

    \{4ut

    is

    meant

    by

    bio-piracy

    ?

    43.

    44.

    50.

    CleneunorLir

    6rr.E6[p5]6in

    W

    te the

    medicinal

    uses

    L,olg$5lar

    u

    ueiireeoar

    orqg5Ls.

    of

    Solanum

    niglum.

    WWwkalvisotai'6orffi

    I

    $l6Lrqo

    /

    Turn

    over

  • 8/10/2019 Plus Two March 2014 Botany Question Paper

    10/12

    10

    843

    u66

    -

    g1/sECTroN-c

    (gdnH

    : (i)

    cr6r:dcurg1d

    6r(,

    e,9cnr6oqgdg

    o.9laor

    p1gs.

    .gerSgoh

    e9

  • 8/10/2019 Plus Two March 2014 Botany Question Paper

    11/12

    59.

    60-

    61,

    I1

    s84g

    :*T

    *-*o

    GlLrlp

    gnerqrt,aerftdt

    se,onriGtsn6t60

    opnrqg$pefi

    r f)

    a156+Lona

    Cive

    a

    brief

    account

    of

    herbici.le

    resistance

    in

    transgenic

    plants.

    "gpdl

    g;fl

    rneiurrflsneml$$[rqLb

    op 6u9

  • 8/10/2019 Plus Two March 2014 Botany Question Paper

    12/12

    3843

    66. DNA

    sl6DrDLr6ou

    6,916r-rfl.

    Des.ribe the shucture of DNA.

    67. pt6rf$51s,

    otr6niLrLql6in

    gtEuLr6rlL

    Geu-.lel

    gt rr

    roroeo6n 6rEl6fi6(go

    (urniee;ir

    Gp eoor ullcleooo

    )

    Explain

    the basic techniques

    of plant

    tissue

    culture.

    (Diagrams

    not

    necessary)

    6s.

    Glpr6]56ir

    GleuonfgLb

    or9p$arp

    o$ontsgd

    Gorun@aaoen

    or5)orrdgo.

    Explain

    the

    theodes

    oI enzyme

    action.

    69.

    61trLr6iD

    *g$Au9eu

    $)eqgrb

    efleoc"rearar or 1o.

    rfl

    (orllorr;;oLb

    .slaiog1

    ereolurLb)

    Desc

    be

    the

    sequences

    of

    reactions

    of Kreb's

    rycle.

    (Explanation

    or

    flowchart)

    70. Luqfl

    *qb

    oeinpnd

    6r6iir60r?

    LLrq fl

    rqroooflein peireoLooeoon a,9orri1ge.

    What

    are

    biofertilizers

    ? Describe

    the trenefits

    toom

    biofertilizerc.

    ffi,tralcdsolai.corn

    L2