dd_de ddd8 *%drU*d dpdriduo dOetr- d.Dafr 2075X STD. STATE TEUET PREPARATORY EXAMIilAIIOII MARCH I 2OT5

DdDb

Subject :

t:*\o3\ E\r.<qe. '- q -aA. a--no.- (q. (?--d5' \,-\sr-

f.od8 dred-aoddd d&/ SarooddJ

Signature of the Room Supervisor's/Date

Da;ade

SCIENCE

ddd e,odrle$ I MARKS oBTAINED,S* erodrldrTotal Marks

dDeddd i&q\

Examiner's Signature

;1o$ Sunr0rdd,

droi.rd.rd dnzfr 2015d aif.nd.ner6.,:,. d0e_frgjr qs..dgdo$ ioarido3 dr

foe4$dr" ddn$Jcrd. i./addrlddr"t 0pdmh LE dodd gddoSobe end8.t. 0cCr docro"r

d.nd8o$dJ4rldrd d.odor {taoc{d dg*o$ djndddJ*&dlfJadao$ dJeodroddod d4d sea.dt$JJO 15 &arddddco8edenEd. sorQrrtdo qdild9gFgfo$d.rot"ubdrdd. odnfl"gdJ.t .

d.nddrletr :

de *aJRd Eg {gJde€€fl oaol, uudddCd.r., dndsafld. odrod dnd- odjdd.ro g0,tl odddrd:ad"rdd,o o Etf *.n utrdrd iCdO udo).r8.

d.no65 udob6.

dEo$Dd erud-driddJ4'?.3'dtJuoS.rod oO.3.n,dUlo$ *cid sDO ed.ld aoridd-dJr dng.

Dear Students,

The present Question Paper cum Answer Booklet has been designed on the basisof 2015 S.S.L.C Public Examination. Read the instructions carefully b-fore answering.Handover the Question cum Answer Booklet to the Room supervisor before leaving theexamination hall.

Extra Fifteen minutes have been given for euestion paper Reading,Instruction for the I Main

For each of the following question / statement four answers are given. Choose the mostappropriate answer and write it along with its alphabet in the space provided below eachquestion.

Instruction for Match the followinq :choose the correct answer from bolumn 'B' and fill in the blanks under column ,c'

6nnod / Date :

odrQroJc d.n eodsJ doa3,Register Number of the Candidate

r"104 sodrlsb/Maximum Marks : 80

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4rr_qxaodrds€d_osc €g-fl uo-Eli uo\dgdc".0ed-eaLa E-aqrE-dgde eg-deqPd EuEidd{

er_D;,*d-d-d-g4podddood;d-c--w-d=dd-d;f-.oqQil&E/g4p|dqgbe-Qd-dr0'Four atternatives are given far

write it's 'AlphaOet atonq with Answer'

li1e Provided :

1. Agricultura! produce hetpful in Transport department of Karnataka is

;jaorl f.r.9dd- wdotpdjtorrdJd ddobel sdciad"ld {d;oob *{'d$d gob

A) Biomagnification *rA* -;Eeddea (B) Fermentation drdrrbat

c) Transesterification l^r9ut adD{refe-urd (D) Grystalisation drLlteddo

Ans lwdd :

1xl0=10

2. C uH u structure was given bY

A) FaradaY -+ardde

C) Berzel ius udrdexf

CuHu d dddobdl". &eBd sga

(B) Kekule f-*.D-,e

(D) Fredrick Wohler det 'De#

(c

d.ndoJ.r;t'

Ans /wdd :

3. Hydrolysl's of fats reguires the Catalyst, the commonly used catalyst is

d.nc3d aer&eddeadd wdotr:d;nd deddfrd-- - -ZJ'- ' c't r

A) Magnesium

;) dre[&obo

(B) Manganese (C) l ron

( t'3) drrod&exf ( 3) da3",o

(D) Nicke l

( A) &ddetc

Ans /erudd :

4. Ptaima cells Produces

D.fa, d.n ed rld-l e ddJ"r

A) Antigens

a) uoh,Sdd

truuorDdrd-,d

(B) Antibodies

( ")

uot^lua8ddr

(C) Al lergons

( 3) elevoclG ro{'

(D) Al lergies

( A) ererdrrldc

Ans /erudd :

S. X+Water - - - - - - -

x + &edr

A) Metars onry elned (B) Non metals only erelned

C) Both metal and Non metal etned dJdf eleLned

D) Metalic oxides only eJ.nedd uf^,rd

Ans /erudd

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6. The complex fissue among fhese is

edddO ofDddr doteear aodod elorroodaofld

A) Collenchyma (B) Paranchyma (C) Sclerenchyma (D) Vascular

a) t oee-rofod"r ( d) dedofrd-r ( l) t*,_edotrd; ( a) andd.lejr

Ans /wdd :J

7. PH of Rain water ts 5.5 then the chemical nature of water is

drdob &eDd pH d dfrer, 5.5 qrrJ udd oa;oojc&d rbsadl

A) Acidic Only er$r_eob;nfldrdd

B) Alkaline in nature only {enr$.l,_eob;nndJdJCc) both Acidic and Basic elsl..eob dJdJ {uorsr_eoJr;randJ{dD) Neutral dbsd;rDfldrd$

Ans /uudd :.,- 8. Which one of the following Mathematical relation represenfs

"Einstein's mass energy relation,'.

* fdnddlddd- anf{nf d 4d, drdr d*ob rlsCdeob doz^lot';nfld

A) c .l E (B) c E (c) c -.m

l-_

(D) c -_l t\m

rTt

Ans /wdd :-5

9. The principal of working of Echo-Ranging is

{JdJoJ, ;Drr"?lo$d eld.riDird d*

A) Refract ion (B) Ref lect ion (C) Dispersion (D) Interference.r) dlezJdd ( .1) {..rfrerd ( t) ejdrdrsf ( a) ood:aart

Ans /wdd :

10' ln Mendleev's Monohybrid cross experiments, Monohybrid ratio isd"loddeer6d ad d€eddecd0 urrotsahdrd sd;md

A) 3:1

Ans /uud-d :

(B) 1 :3 (c ) 2 :3 (D) 3 :2

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il. Match the followi en in column 'A' wilh-lhe a riate answer from

column 'B' and column 'C'

d.no83 ?Jdob0.

1x4=4

11) A B c

1) SPIRoGYRA

{.Jd.n.t*

a) Contains XanthoPhYl lin excessrorodne.irs6 ,il..

erQdaah d.no8d

i) Adult p lant is aGametoPhYte

4d d*d; donaeru add

2l cYcAS

d*=f

b) Thal lo id Structure

Grorerxf daidii) has Reticulate Veins

aaod.,o.lnnd Srn i

3) MUSTARDmld

c) Seeds are notenclosed by fruits

aSeesrld.l dedd

ddt38od eldrd,;nflel-

i i i ) Rhizoids are absent

dramoLldrle$ 8o;

4) ADIANTUMelBolnoUJd.J6

d) Gametophyte isprothallusdonoeu add d*dJ

{q,egnel# shd.

iv) Adult plant is a sPoroPhYte

4A d+dJ a3euaearadduohd

e) Seeds do notshow symmetyalecsrldr dtu8obdr"L

d.noDd.ldtAer_

v) Has Paral lel Veinsddnanodd oad .tnord

d.noEd

f) Sporophyte isProthal lusaleesDea) add f-td'".{Preqtatoxf erhd

vi) Micro Spores containmale ganetes-^inddo aleeodlrl$ rlodr

d o rro eal dddlo d.n o E d.ld d.

Answers :

1.

2.

3.

4.

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ttt. Answer tle flliowina in a sentence : edrrlddJ"rwdp'3 i 1x7=7

12. Jaggery is better than Non Amorphous suger. why ?

eseridJ t'5tJedd.od ddudflod erudd"r' af ?

13. What is vermicultu re ? ;ro.arr dosrcf aoddedJ ?

14. Name the device which works on Photo volatic effect'

&rJ SeJaaoddd dddd dreeJ uooJcr &drtod'ld raddddJ"r 3€3'

15. Name the kind of electromagnetic radiations emitted by Neutron star.

d"rhrgilo dd;f Aod d.nd d.ndld Sd?,d uoo8eob ele3obdc* 3€3'

16. Name the halogen deficiency for simple goitre

rldrlou3 rooSre-3rl uodearad aaetnecinf dil", ddD'3'

17. DC is preferred than AC in electroplating. why ?

.rdJ^sc eJedddd- 4.3., 4.R,. flod wdd'l af ?-

?) ('t

18. Give the meaning of "Planetary Nebula"

rJ$edr &aa0d "roddedr ?

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DI 6x2=32IV. Answer the followinq in 2-3 sentences each :

d_d n ddrds 11 L3_ a$d {vu{Q,_,'19. Write the two differences between James Watt engine and

Nicholas Otto EngineddJ6d -,rS dJdJ &f.n-eer# ert3.nefld.ld druorirldilo 3d3.

20. What are the general characteristics of Caucasoid races of humans ?Where do we see such races in the world ?rarmobd d.rDddd ;;adt* er-d.rrarlddJ"r 3€3 aarln qddr deJofrEndrd {dotJd{dedrlddr"L 393.

21. Write two precautionary measure to be taken while carry out ofElectrolysis of Aluminium from Alumina.elernr.lre&obodr", uernrsr nnd .fd?rd Sd-edd SroSJobe) sdrd0SdJddJdS ,'d d,dJrlddJ"L .get.3. l

a \ )

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22. C1rHrrQ.,+ HrO ----E--

rn -A ' ' ICuH,,rO, ------::----+ ?.C2H'OH + ZC_Ori

f.fame the Biological catalyst for X and Y'

Eq X drdl Y ilo dr{ dBild ibsd *ec;{dd1 sd3'

23. Aship transmits a ultrasonic sound and returns from sea bed and receives

the same by receiver (Detector) after 4 sec. Find the total distance

travelled and also a depth of a ocean (speed of'Ultrasonic sound = 1'5km/hr)

aod.r ddrndo,- drdmased dg0ord.ro {ea$dp * d"1]* '*4 dd6od 43dO3

4 dfodrrtd dodd :"oedrtuid. oeojo- ur*raaoea OJ* rd 1'58'ar e'flde)

id\,qd eld dJdr LJoSd bsu d.ndddJ4 elra*uod d'oa.

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24. Write any two applications of Boyle's law in our dai ly l i fe.

upoJ.:f d &obdrd dS, drdo8d AddO eldriD-e^:d tl{oflddil* 3€3.

25. Draw a neat diagram of exhaust stroke of steam engine.

daSob ;odQp ;nrf.nee3d d./addd erod;;od ,39ddt udobD.

26. Mention the two applications of lead glass in Optometry

,?,edd rpc;c eltdndd SaaddO derl odotudaahd.

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27.Write two reasons for layer Ozone depletion.td.ped dddd treeddrsdrl addr uadorlddJ4 .9O3.

28. How Amorphous silicon is different from Crystalline Silicon (any two)

ddrJd dndd Sdtrad o{Od d.odd SOnadflod ded al{aand aodr {uorirld,drnerd .t€3.

2g. al Motion in a Simpte Pendulum considered as Simple Harmonic motion Why ?

b) Write the Mathematical relation between V n and l" of a motion.

;) eLneerdd eJerdoJo idd dorldoJc aierdobill", d.no8d. ad

E) V n drdr- l, Rdrd rleadeob doooflddr* 3€3.

30. How Voluntary muscles are different from Involuntry muscles.Substantiate you answer.aaSd drdr el{eSud ;o".oJ.urldr .r€d;Dnd. ddrQrS.

C i - s e r g ) € L - o L O R

Write the biological functions of Lymph. dotf d d.JSd aobsrlddr"r 3€3.

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31, Give scientif ic'Reasons r dHa&d uodea f.na.a) Raju is working in Baba[tomic Research Centre. The authorities are

adviced him to wear lead Jackets' Why ?

uJci; ?,DeJo ssa) agad dDd.neddobd- rooJrr&dd uud.nreRqrtDR uaoJrr

&dduofldr iof oJ:ddr Seid end*r6dr", dDi*. .g.et3dro;J edd* rodeodedl ?

b) Enriched"lJran-ium is used as a Nuclear fuel. Why ?

dod*dea d.ndd otlde&ob$ e3.Jdd-eodduoD ustd;uod' ad ?OR

How much of enery is released during 1mg of Nuclear substance undergo

Nuclear Reactions. Calculate

*^r*srrr ddrB 1mg .Ldd goboJro odriDirorl eruobgarbd bsu dtfi,

aldJddob 4dDeadql duo*t^od dDA.

32. Adrenaline is cal led as emergency harmone. Why ?

el8rddedd.:o drdrr dndd aad.nredr adrt, rodpdedr ?OR

Hydroponics are very essential. Why ? drd-ge€ne,0{ droe,ua elddrd. af ?

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33. Draw a neat sketch of electroplat ing of 'brass vessel 'with si lverdoa3d dilll€Il L3€s,ob eJedd d.JEdJd .tdJdd eJedd qoboJ, elodand dgddJ"ruddr q:nrfrlddr* fudJ.gl.

34. Draw a neat diagram of Single stage Rocket and label the parts.ad a'odd oft^ld erodand esgddJ4 uddr qnrlrlddro rbdr.gi.

KSSSHMS & CPUCPA - SCIENCE . MAR .2015

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35. Draw a diagramHIV d elod;rod

of HIV and labet the Parts'

c3gddr"r uddr r;n rlrldd.l", fu dJ33'

36. Give Reasons ' dp&d radsof'nB :

1) Hydrogen is praced in I Group aeraddddJ*uodde fuo.rdd-;aidd'rodd3dJ:d

2)d-b |ocke|ementsare t rans is t ione lementsA - m;f pd;rlddr". do{,d'lsa pdrrldr adrdd't

3) The series of erem"it" having atomic nurt", from 58 to 71 are called

lanthanidesdddnear doel, 58 Dod 71 dddRd ;cto.. qDdJrld&". *rlodd.JdJdufu tQpd.)

OR

1)2l

state Modern Periodic law eldcr0d uddrd &oldrddr"L 3€3'

f-block elements are placed separately

f- an d qodr rldil", 4dr.1T ldi P^ 1o d "1

t,*.,?,3) ntorfric numbe, i {o: 18, 36, 54, 86 are called Innert gases'

r r o ^ - 9 J J ,

ddd.neal doal. 2, 10, 18, 36, 54, 86 qodrrlddf fut d.lrd 4'geQdJdd'?t

uodsaded.l ?

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V. Answer the followinq in 3-4 sentences each :ddnddrl€fl 3-4 ;nd,dd,_ w_d=D,lr.

37. Draw a neat diagram of Blast Furnace

enodr drs.ld"lo$ uodaod dgddJ{ udo}rD.

38. What happens when : dr fddod{.lrlsldJ4 e3dlcnrl truobrorbd }obob erufla) Phosphorous is added to pure si l icon

doaddil", S* d,odd Sduaof rl e3d,3trorlb) Aluminium is added to pure s i l icon

elernr.a:r0obod1 dJA dndd ,t,drodd a3d,3oarlc) Alternatlng current is passed into Dipole Anteena

dotDrojc .fdJzr€f dJ4 Edgd eloLlnro d.rneld aaobSaod

3x5=1 5

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39. a) Who is cal led the father of Modern Genetics

erdr&d ge agPdd .luod-rd otDd.l ?

b) Why is DNA replication is necessary B.ad.a. d d4.leddea eldrddrd t1 ?

{r} t+ste the law of Independent Assortment *do9 .Sorlddob &obdrddr4 3€3'

OR

a) Write the contr ibution of Wilmut

Sgt6dr*'6d €Sd agadf* d'obs* uosddojcdr4 3er3'

b) Biotechnology is a boon. Why Z qbsd dodrgaddl t 'odr ddaofld ad ?

c) State the law of Segregation 4'rseddojc &obdrddr"L 3e)3'

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4x3 =D12Vl. Answer the following in 5-6 sentences.each :

f,9-nddlltgiJ-€_-=Id-q.dOlluEO3.-- -?) - '-.lr----_t-

40. Draw a neat diagram of V.S. Human Brain and label the parts.

dDddd drdrerd 0ed qSeddd e3gddJ"r eJddr qnrlrlddr", rbdr8,s.

41. Define : adlrlddJ"r ;rorarorob&31 ) Homologons series d.ned.neetorl#2l Catenation uort^l&eddm4l Allotrophy ud.tdndd

dreeJ(3) Fermentation drdrrb$f

ORDefine : iloereJE?rob&31) Functional groups golD fuo{lrle$2l Substitution reactions eldedd t,obrle$3) Organic chemistry ;;adobd cnobda{4l Aromatic Hydrocarbons ud.nedgtJ# €@.uoalrdrldr

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. 42. 1l state the laws proposed by Micheal Faraday from coil and magnet

experiment.uood drdr- d.ld€e 4olned6od dr.,deto Qardde {,Sao8id addr

&obdrrldfu", 3er3.

2l Draw a neat diagram of AC DYnamo

"r.3. drddned sod;rod e3gddJ"r:jo].lO'OR

1) Mention the two factors that influence emf in a coil

drderobO,- Sdre,€t5 z^roOd 3?dP- uqo03drd addr elodrlddJ+ 3se3'

2l Draw a neat diagram of D.G. Dynamo4.3. druod.ned eloduod c39ddr4 udoLl0'

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