àíznwpñvh$m H«$ m H$ Question Booklet Sr. No. Roll No. g 3 K Q>o Time 3 Hours àíznwpñvh$m H«$ m H$/ Question Booklet Sr. No.

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1 PAPER- PCB AZwH«$ m H$ / àíznwpñvh$m H$moS> àíznwpñvh$m H«$ m H$ Question Booklet Sr. No. Roll No. BA Q. Booklet Code CÎma-erQ> H«$ m H$ / OMR Answer Sheet No. KmofUm : / Declaration : narjm Ho$ÝÐmÜ j H$s moha Zo n îr> g» m 1 na {X o J o {ZX}em H$mo n T>H$a g P {b m h & I have read and understood the instructions given on page No. 1 Seal of Superintendent of Examination Centre narjmwu H$m hñvmja /Signature of Candidate nì Ho$ AwZgma /as signed in application) (AmdoXZ H$j {ZarjH$ Ho$ hñvmja /Signature of the Invigilator narjmwu H$m Zm / Name of Candidate : narjmwu H$mo {X o n amj«m $ H$s ZH$b ñd H$s hñv{b{n ZrMo {X o J o [a³v ñwmz na ZH$b (H$m nr) H$aZr h & ""Amn ghr ì dgm h, h Amn V^r OmZ Jo O~ : Amn H$m na OmZo Ho$ {be qm{vv h, Amn {ZË AnZm H$m g~go AÀN>m H$aZm MmhVo h, Am a Amn AnZo H$m Ho$ hëd H$mo g PVo h &'' AWdm / OR To be copied by the candidate in your own handwriting in the space given below for this purpose is compulsory. You will know you are in the right profession when : you wake anxious to go to work, you want to do your best daily, and you know your work is important. * Bg n îr> H$m D$nar AmYm ^mj H$mQ>Zo Ho$ ~mx drjh$ Bgo N>mÌ H$s OMR sheet Ho$ gmw gwa{jv aio& * After cutting half upper part of this page, invigilator preserve it along with student s OMR sheet. nwpñvh$m win îr> g{hv n îr>m H$s g» m No. of Pages in Booklet including title PAPER- PCB AZwH«$ m H$ / 36 g 3 K Q>o Time 3 Hours àíznwpñvh$m H«$ m H$/ A H$ / Marks 600 nwpñvh$m àízm H$s g» m No. of Questions in Booklet 150 Question Booklet Sr. No. Roll No. H$j {ZarjH$ Ho$ hñvmja /Signature of the Invigilator àíznwpñvh$m H$moS> narjmwu H$m Zm / BA Name of Candidate : narjm{w m Ho$ {be {ZX}e /INSTRUCTIONS TO CANDIDATE Aä {W m hovw Amdí H$ {ZX}e : 1. Amo.E.Ama. CÎma n{ìh$m Jmobm VWm g^r à{dpîq> m H$mo ^azo Ho$ {be Ho$db Zrbo m H$mbo ~mb ßdmB Q> noz H$m hr Cn moj H$a &. SECURITY SEAL ImobZo Ho$ nhbo Aä Wu AnZm Zm, AZwH«$ m H$ (A H$m ) Amo.E.Ama. CÎma-erQ> H$m H«$ m H$ Bg àíz-nwpñvh$m Ho$ D$na {X o J o ñwmz na {bi & {X do Bg {ZX}e H$m nmbz Zht H$a Jo Vmo CZH$s CÎma-erQ> H$m yë m H$Z Zhr hmo gho$jm VWm Eogo Aä Wu A mo½ Kmo{fV hmo Om Jo& 3. àë oh$ àíz Mma A H$m H$m h & {Og àíz H$m CÎma Zht {X m J m h, Cg na H$moB A H$ Zht {X m Om ojm& JbV CÎma na A H$ Zht H$mQ>m OmEJm& 4. g^r ~hþ{dh$ënr àízm EH$ hr {dh$ën ghr h, {Ogna A H$ Xo hmojm& 5. JUH$, bm J Q>o{~b, mo~mbb $moz, Bbo³Q >m {ZH$ CnH$aU VWm ñbmbs> ê$b Am{X H$m à moj d{o V h & 6. Aä Wu H$mo narjm H$j N>moS>Zo H$s AZw {V narjm Ad{Y H$s g mpßv na hr Xr Om ojr& 7. {X {H$gr Aä Wu Ho$ nmg nwñvh $ m AÝ {b{iv m N>nr gm J«r, {Oggo do ghm Vm bo gh$vo/gh$vr h, nm r Om ojr, Vmo Cgo A mo½ Kmo{fV H$a {X m Om gh$vm h & Bgr àh$ma, {X H$moB Aä Wu {H$gr ^r àh$ma H$s ghm Vm {H$gr ^r ómov go XoVm m bovm ( m XoZo H$m m bozo H$m à mg H$aVm) hþam nm m Om ojm, Vmo Cgo ^r A mo½ Kmo{fV {H$ m Om gh$vm h & 8. {H$gr ^r ^«H$s Xem àíz-nwpñvh$m Ho$ A J«oOr A e H$mo hr ghr d A {V mzm Om ojm& 9. OMR sheet Bg Paper Ho$ ^rva h VWm Bgo ~mha {ZH$mbm Om gh$vm h naývw Paper H$s grb Ho$db nona ewé hmozo Ho$ g na hr Imobm Om ojm& Q. Booklet Code Instructions for the Candidate : 1. Use BLUE or BLACK BALL POINT PEN only for all entries and for filling the bubbles in the OMR Answer Sheet.. Before opening the SECURITY SEAL of the question booklet, write your Name, Roll Number ( In figures), OMR Answer-sheet Number in the space provided at the top of the Question Booklet. Non-compliance of these instructions would mean that the Answer Sheet can not be evaluated leading the disqualification of the candidate. 3. Each question carries FOUR marks. No marks will be awarded for unattempted questions. There is no negative marking on wrong answer. Each multiple choice questions has only one correct answer and marks shall be awarded for correct answer. Use of calculator, log table, mobile phones, any electronic gadget and slide rule etc. is strictly prohibited Candidate will be allowed to leave the examination hall at the end of examination time period only. 7. If a candidate is found in possession of books or any other printed or written material from which he/she might derive assistance, he/she is liable to be treated at disqualified. Similarly, if a candidate is found giving or obtaining (or attempting to give or obtain) assistance from any source, he/she is liable to be disqualified. 8. English version of questions paper is to be considered as authentic and final to resolve any ambiguity. 9. OMR sheet is placed within this paper and can be taken out from this paper but seal of paper must be opened only at the start of paper.

2 PAPER- Physics Chemistry Biology : Q. 1 to Q. 50 : Q. 51 to Q. 100 : Q. 101 to Q. 150 PHYSICS / 001. A light ray moving in medium - I (of refractive index n1) is incident on interface of two media and it is totally internally reflected at the interface. Now refractive index n of medium -II is decreased, then ^m {VH$emó 001. ray will be totally transmitted in medium-ii. EH$ àh$me {H$aU AndV Zm H$ n1 Ho$ mü` -I J{V H$aVr hþb XmoZm mü` m H$s A Vg Vh na Amn{VV hmovr h VWm A Vg Vh na nyu V`m Am V[aH$ namd{v V hmovr h & A~ mü` -II H$m AndV Zm H$ n H$m mz KQ>m`m OmVm h Vmo - ray will move completely parallel to the interface. ray will be still totally internally reflected at interface. ray will be totally transmitted into medium-ii only if angle of incidence is increased. -BA ] [] {H$aU nyu V`m mü` -II nmaj{ V hmovr h & {H$aU A Vg Vh Ho$ nyu V`m g mýva Om`oJr & {H$aU A~ ^r A Vg Vh na nyu V`m Am V[aH$ namd{v V hmojr & {H$aU mü` -II nyu V`m nmaj{ V Ho$db V^r hmojr O~ AmnVZ H$moU ~ T>m`m OmVm h & [ Contd...

3 00. A light beam consists of two types of photons. 00. In one type each photon has energy ev and in other type each photon has energy 3eV. The light beam is incident on a photoelectric material of work function 1eV. The maximum kinetic energy of emitted photoelectron is : lev ev 3eV 4eV 003. A light beam parallel to axis is incident on 003. the system of four convex lenses A, B, C and D. Focal lengths of A, B, C and D are 30cm, 10cm, 30cm and 10cm respectively as shown. Here fixed distance BC=0cm. What should be the distance between the lens A and lens D so that after refractions, rays will be parallel to axis in regions I, III and V? 0 cm 40 cm 100 cm 80 cm 004. A long silver tea spoon is placed in a cup filled 004. with hot tea. After some time, the exposed end (the end which is not dipped in tea) of the spoon becomes hot even without a direct contact with the tea. This phenomenon can be explained mainly by: thermal expansion reflection -BA ] conduction radiation [3] EH$ àh$me {H$aU Xmo àh$ma Ho$ $moq>moz h & EH$ Vah àë`oh$ $moq>moz H$s D$Om ev h VWm Xygao Vah àë`oh$ $moq>moz H$s D$Om 3eV h & àh$me {H$aU EH$ àh$me {dúwvnxmw {OgH$m H$m` $bz 1eV h Cg na {JaVr h & CËg{O V $moq>mobbošq moz H$s A{YH$V J{VO D$Om h : lev ev 3eV 4eV Mma CÎmb b gm A, B, C VWm D Ho$ {ZH$m` na Aj Ho$ g mýva àh$me {H$aU nw O Amn{VV hmovm h & boýg A, B, C VWm D H$s $moh$g bå~mb `m H«$ e 30cm, 10cm, 30cm VWm 10cm h & `hm± pñwa Xyar BC = 0cm h & b g A VWm b g D Ho$ Ü` Xyar {H$VZr hmozr Mm{hE Vm{H$ AndV Z Ho$ nümv {H$aUo (region) joì I, III VWm V Aj Ho$ g mýva hmo OmE±: 0 cm 40 cm 100 cm 80 cm EH$ bå~o Mm Xr Ho$ Mm` Må M H$mo J Mm` go ^ao H$n o aim OmVm h & Hw$N> g ` ~mx Må M H$m Iwbm {gam (Omo Mm` o Zht Sy>~m h ) J hmo OmVm h `Ú{n `h Mm` Ho$ gryo g nh $ o Zht Wm & `h à^md w»` ê$n go {ZåZ go g Pm Om gh$vm h : D$î r` àgma MmbZ namdv Z {d{h$au [ P.T.O.

4 005. Figure shows a nonconducting semicircular rod 005. in xy plane. Top half (quarter circle) has uniform linear charge density - m whereas remaining half has uniform linear charge density + m. What is the direction of the net electric field at point P? {MÌ xy Vb EH$ AMmbH$ AY d ÎmmH$ma N>S > Xem `r JB h & D$nar AmYo ^mj (MVwWmªe d Îm) o EH$ g mz aoir` Amdoe KZËd - m h O~{H$ eof AmYo ^mj EH$ g mz aoir` Amdoe KZËd + m h & {~ÝXþ P na n[aum r {dúwv joì H$s {Xem Š`m hmojr? -m -m +m +m Aj Ho$ AZw{Xe +y Aj Ho$ AZw{Xe {~ÝXþ P na {dúwv joì eyý` h AV {Xem kmv Zht H$s Om gh$vr h x Aj d y Aj Ho$ AÕ ^moh$ Ho$ AZw{Xe along +x axis +x along +y axis electric field is zero at point P, so direction cannot be determined. along the bisector of x axis and y axis A bead of mass m can slide without friction on a 006. fixed circular horizontal ring of radius 3R having centre at the point C. The bead is attached to one of the ends of spring of spring constant k. Natural length of spring is R and the other end of the spring is fixed at point O as shown in figure. Bead is released from position A, what will be kinetic energy of the bead when it reaches at point B? 1 kr 9 kr 5 kr 8kR 40.5 nj 13.5 nj -BA ] 1 kr 9 kr 007. The total electrostatic energy stored in both the capacitors is : 18 nj EH$ O S>dV d ÎmmH$ma j {VO db` {OgH$s {ÌÁ`m 3R h d Ho$ÝÐ C na h, Cg na m Ðì` mz H$m EH$ ZH$m {~Zm Kf U Ho$ { $gb gh$vm h & ZHo$ H$mo EH$ pñà J Ho$ EH$ {gao go ~m±ym OmVm h & Cg pñà J H$m pñà J {Z`Vm H$ k h VWm pñà J H$s àmh ${VH$ bå~mb R h VWm pñà J H$m Xygam {gam {MÌmZwgma {~ÝXþ O na O S>dV h & ZHo$ H$mo pñw{v A go wº$ {H$`m OmVm h Vmo O~ `h pñw{v B na nhþ MVm h V~ ZHo$ H$s J{VO D$Om hmojr: nj [4] 5 kr 8kR XmoZm g Ym[aÌ o g J«{hV Hw$b pñwa {dúwv D$Om h : 18 nj 9 nj 40.5 nj 13.5 nj [ Contd...

5 008. Gravitational force acts on a particle due to fixed uniform solid sphere. Neglect other forces. Then particle : experiences a force directed along the radial direction only. always moves normal to the radial direction always moves in the radial direction only. always moves in circular orbit A block performs simple harmonic motion with equilibrium point x = 0. Graph of acceleration of the block as a function of time is shown. Which of the following statement is correct about the block? 009. speed is maximum at t = 3s. displacement from equilibrium is maximum at t = 4s. speed is maximum at t = 4s. speed is minimum at t = s There are two identical springs each of spring constant k. Here springs, pulley and rods are massless and block has mass m. What is the extension of each spring at equilibrium? mg k mg k h oem {ÌÁ`r` {Xem Ho$ AZw{Xe J{V H$aoJm& h oem d Îmr` J{V H$aoJm& EH$ ãbm H$ gmå`mdñwm {~ÝXþ x =0 Ho$ gmnoj gab Amd {V J{V H$aVm h & ãbm H$ Ho$ ËdaU H$mo g ` Ho$ $bz Ho$ ê$n o J«m $ Xem `m J`m h & ãbm H$ Ho$ ~mao o H$m Zgm H$WZ gë` h? 010. t = 3s na H$U H$s Mmb A{YH$V h & t = 4s na H$U H$m gmå`mdñwm go {dñwmnz t = 4s na Mmb A{YH$V h & t = s na Mmb Ý`yZV h & A{YH$V h & `hm± Xmo EH$g mz pñà J h d àë`oh$ H$m pñà J {Z`Vm H$ k h & `hm± ãbm H$ H$m Ðì` mz m h VWm pñà J, nybr VWm N> S>o (rods) Ðì` mzhrz h & gmå`mdñwm o àë`oh$ pñà J H$m {dñvma Š`m hmojm? mg k mg k mg k 3mg 4k 011. Two tuning forks A and B produce 4 beats/sec. Forks B and C produce 5 beats/sec. Forks A and C may produce. beats/sec BA ] EH$ g mz R>mog O S>dV Jmobo Ho$ H$maU EH$ H$U na Jwê$Ëdr ~b bjvm h, AÝ` ~b ZJÊ` h & V~ `h H$U: Ho$db {ÌÁ`r` {Xem Ho$ AZw{Xe hr ~b AZw^d H$aoJm& h oem {ÌÁ`r` {Xem Ho$ bå~dv J{V H$aoJm& mg k 3mg 4k 011. A VWm B [5] Xmo ñd[aì 4 {dñn X /goh$ês> CËnÞ H$aVo h & B VWm C ñd[aì 5 {dñn X /goh$ês> CËnÞ H$aVo h Vmo A VWm C ñd[aì... {dñn X /goh$ês> CËnÞ H$a gh$vo h & [ P.T.O.

6 01. A 10gm bullet moving directly upward at 1000 m/s strikes and passes through the center of mass of a 10 kg block initially at rest.the bullet emerges from the block moving directly upward at 400 m/s. What will be velocity of the block just after the bullet comes out of it? 0.6 m/s 0.4 m/s m/s 1.4 m/s 013. Two identical balls P and Q are projected with same speeds in vertical plane from same point O with making projection angles with horizontal 30 and 60 respectively and they fall directly on plane AB at points P' and Q' respectively. Which of the following statement is true about distances as given in options? Displacement x versus t graph is shown for a particle. The acceleration of the particle is : m/s 0.4 m/s 1.4 m/s Xmo EH$g mz J Xo P VWm Q EH$ hr g mz {~ÝXþ O go CÜdm Ya Vb g mz Mmb go jo{vo Ho$ gmw àjonu H$moU H«$ e 30 d 60 na àjo{nv H$s OmVr h VWm do gryo hr Vb AB na H«$ e {~ÝXþ P' d Q' na {JaVr h & Xyar Ho$ gå~ýy o H$m Zgm {dh$ën gë` h? CZHo$ àjonu H$moU nyah$ H$moU h AP' AQ' 014. A string has a length of 5m between fixed points and has fundamental frequency of 0 Hz. What is the frequency of the second overtone? 30 Hz 40 Hz 50 Hz 60 Hz -BA ] 0.6 m/s AP' = AQ' Š`m {H$ AP' > AQ' AP' < AQ' AP' = AQ' as there are complimentary projection angles. AP' > AQ' AP' < AQ' AP' AQ' m/s 8m/s EH$ 10gm H$s Jmobr 1000 m/s go gryr D$na J{V H$aVr hþe {dam n S>o 10 kg Ðì` mz Ho$ ãbm H$ go Q>H$amVr h VWm CgHo$ Ðì` mz Ho$ÝÐ go JwOaVr h & Jmobr gryo D$na H$s Va $ 400 m/s go ãbm H$ go ~mha {ZH$bVr h &O~ Jmobr ãbm H$ go R>rH$ ~mha {ZH$bVr h Cg ju ãbm H$ H$m doj Š`m hmojm? Xmo pñwa {~ÝXþAmo Ho$ Ü` EH$ añgr H$s bå~mb 5m h VWm BgH$s yb^yv Amd {V 0 Hz h Vmo {ÛVr` A{Yñda H$s Amd {V Š`m hmojr? 30 Hz 50 Hz EH$ H$U Ho$ {dñwmnz x H$m h & H$U H$m ËdaU h : m/s 8m/s 4m/s zero [6] 40 Hz 60 Hz t Ho$ gmw J«m $ ~Vm`m J`m 4m/s eyý [ Contd...

7 016. For given LR circuit, growth of current as function of time t is shown in graph. Which of the following option represents value of time constant most closely for the circuit? 0.4 s 1 s s.4 s 017. Radii of two conducting circular loops are b and a respectively where b > > a. Centers of both loops coincide but planes of both loops are perpendicular to each other. The value of mutual inductance for these loops : n0 ra n0 rb b a n0 rab zero (a + b) A block of mass of 1kg is moving on the x axis. A force F acting on the block is shown. Velocity of the block at time t = s is - 3m/s. What is the speed of the block at time t = 4s? m/s m/s 8 m/s 3 m/s 019. Two particles P and Q are moving on a circle. At a certain instant of time both the particles are diametrically opposite and P has tangential acceleration 8 m/s and centripetal acceleration 5 m/s whereas Q has only centripetal acceleration of 1 m/s. At that instant acceleration (in m/s) of P with respect to Q is : BA ] 019. [7] {XE JE LR n[anw Ymam H$s d {Õ H$mo g ` t Ho$ $bz Ho$ ê$n o Xem `m J`m h & {ZåZ go H$m Zgm {dh$ën n[anw Ho$ {be H$mb {Z`Vm H$ Ho$ mz Ho$ g~go ZOXrH$ h? 0.4 s 0.7 s 1 s.4 s Xmo d ÎmmH$ma MmbH$ bynmo H$s {ÌÁ`mE± b VWm a Ohm± b > > a, XmoZm Ho$ Ho$ÝÐ gånmvr h bo{h$z XmoZm bynmo Ho$ Vb nañna bå~dv h & BZ bynm o Ho$ {be AÝ`moÝ` àoah$ëd H$m mz h : n0 ra b eyý n0 rb a n0 rab (a + b) Ðì` mz 1kg H$m EH$ ãbm H$ x Aj na J{V mz h Bg na H$m` av ~b F {MÌmZwgma h & g ` t = s na ãbm H$ H$m doj - 3m/s h Vmo g ` t = 4s na ãbm H$ H$s Mmb Š`m hmojr? 5 m/s 8 m/s m/s 3 m/s Xmo H$U P VWm Q EH$ d Îm na J{V H$a aho h & {H$gr ju XmoZm H$U ì`mgv {dnarv h VWm P H$m ñne aoir` ËdaU 8 m/s VWm A{^H ${Ð` ËdaU 5 m/s h O~{H$ Q Ho$db A{^H ${Ð` ËdaU 1 m/s aivm h & {XE JE ju na Q Ho$ gmnoj P H$m ËdaU (m/s ) h : [ P.T.O.

8 the gas enclosed in the tube is : {MÌ dm`w S>br` Xm~ P0 = 1 atm VWm nmao ñv ^ H$s bå~mb 9cm h & Zbr n[a~õ J g H$m Xm~ P Š`m hmojm? 00. In the given figure, atmospheric pressure P0 = 1 atm 00. and mercury column length is 9cm. Pressure P of pressure of 85cm of Hg pressure of 67cm of Hg pressure of 90cm of Hg pressure of 78cm of Hg 85cm Hg ñv ^ 67cm Hg ñv ^ 90cm Hg ñv ^ 78cm Hg ñv ^ Xm~ Xm~ Xm~ Xm~ correct alternative for given process AB. EH$ AmXe J g H$m PV AmaoI Xem `m J`m h & J g H$s àmapå^h$ AdñWm A go A {V AdñWm B VH$ àh«$ Bg àh$ma h {H$ àma {^H$ Am`VZ d A {V Am`VZ g mz h & {XE JE AB àh«$ Ho$ {be ghr {dh$ën M`Z H$amo : process is isochoric work done by gas is positive work done by gas is negative temperature of gas increases continuously 01. PV diagram of an ideal gas is shown. The gas 01. undergoes from initial state A to final state B such that initial and final volumes are same. Select the 0. A small object of mass of 100gm moves in a circular 0. path. At a given instant velocity of the object is 10it m/s and acceleration is (0it + 10tj ) m/s. At this instant of time, rate of change of kinetic energy of the object is : 00 kgm s 3 00 kgm s kgm s kgm s kgm s kgm s 3 EH$ N>moQ>r dñvw {OgH$m Ðì` mz 100gm h,`h EH$ d ÎmmH$ma nw o J{V H$aVr h & {H$gr ju na Bg dñvw H$m doj 10it m/s VWm ËdaU (0it + 10tj ) m/s h & Bg ju na dñvw H$s J{VO D$Om n[adv Z H$s Xa hmojr : 0 kgm s 3 0 kgm s 3 -BA ] àh«$ g Am`VZr h J g Ûmam H$m` YZmË H$ h J g Ûmam H$m` F$UmË H$ h J g H$m Vmn bjmvma ~ T>Vm h [8] [ Contd...

9 03. A time varying horizontal force (in Newton) F = 8 sin (4rt) is acting on a stationary block of mass kg as shown. Friction coefficient between the block and ground is n = 0.5 and g = 10m/s. Then resulting motion of the block will be : 03. g ` n[advu j {VO ~b (Ý`yQ>Z ) F = 8 sin (4rt) EH$ {dam aio kg Ho$ ãbm H$ na {MÌmZwgma bjvm h & `hm± ãbm H$ VWm O rz Ho$ Ü` Kf U JwUm H$ n = 0.5 VWm g = 10m/s h & ãbm H$ H$s n[aum r J{V hmojr : It moves towards right It will oscillate It remains stationary It moves towards left Xm`t Va $ J{V H$aoJm XmobZ H$aoJm {dam hr ahojm ~m `r Va $ J{V H$aoJm volume of 00 liters of water by percent? `hm± Ob H$m Am`VZ àë`mñwvm JwUm H$ B = 100MPa br{oe & Ob Ho$ 00 brq>a Am`VZ H$mo à{vev KQ>mZo Ho$ {be {H$VZm Xm~ n[adv Z Amdí`H$ h? 84 kpa 84 kpa 840 kpa 8400 kpa 840 kpa 8400 kpa 04. Take Bulk modulus of water B = 100MPa. What 04. increase in pressure is required to decrease the 10 kpa 05. Thin semicircular part ABC has mass m1 and diameter AOC has mass m. Here axis passes through mid point of diameter and the axis is perpendicular to plane ABC. Here AO = OC = R. The moment of inertia of this composite system about the axis is: m R m1 R + 1 m1 R m R + 6 nvbo AÕ d ÎmmH$ma ^mj ABC H$m Ðì` mz m1 h VWm ì`mg AOC H$m Ðì` mz m h &`hm± ì`mg Ho$ Ü` {~ÝXþ go Aj JwOaVm h VWm Vb ABC Ho$ bå~dv Aj h VWm AO = OC = R h & Bg g `wº$ {ZH$m` H$s Cg Aj (axis) Ho$ gmnoj O S>Ëd AmKyU hmojm : m R 1 m1 R m R + 3 m1 R m R + 6 m1 R + m1 R m R + 3 m1 R + m R m1 R In Young s double slit experiment, the path difference between two interfering waves at a point on screen is 13.5 times the wavelength. The point is: dark bright but not central bright neither bright nor dark central bright -BA ] [9] 10 kpa m R 3 ` J Ho$ {Û{N>Ð à`moj o nx} na EH$ {~ÝXþ na ì`{vh$au H$aZo dmbr Xmo Va Jm Ho$ Ü` nwm Va Va JX Ü` H$m 13.5 JwUm h Vmo {~ÝXþ hmojm : AXrá Xrá naývw Ho$ÝÐr` Xrá Zht Z Vmo Xrá Z hr AXrá Ho$ÝÐr` Xrá [ P.T.O.

10 07. A ball having velocity v towards right and having angular velocity clockwise approaches the wall. It collides elastically with wall and moves towards left. Ground and wall are frictionless. Select the correct statement about angular velocity of the ball after collision. 07. It will be clockwise It will be anticlockwise It becomes zero Angular speed decreases 08. Which of the following particle will describe the smallest circle when projected with same velocity perpendicular to magnetic field? electron proton + He Li A loop PQR carries a current of A as shown. A uniform magnetic field (B=T) is parallel to plane of the loop. The magnetic torque on the loop is : Nm 8 Nm 031. In steady state, charge on 3nF capacitor is : 031. {ZåZ H$Um go H$m Zgm H$U g~go N>moQ>r {ÌÁ`m H$m d Îm ~ZmEJm O~ `h Mwå~H$s` joì Ho$ bå~dv g mz doj go àjo{nv {H$`m OmVm h? BboŠQ moz àmoq>moz Li+ {MÌmZwgma EH$ byn PQR Ymam A h & EH$ g mz Mwå~H$s` joì (B=T) byn Ho$ Vb Ho$ g mýva h & byn na Mwå~H$s` AmKyU h : 4 Nm 8 Nm 16 Nm zero BA ] X{jUmdV hmojr dm mdv hmojr `h eyý` hmo OmVr h H$moUr` Mmb KQ>Vr h He The sides of a rectangle are 7.01 m and 1 m. Taking the significant figures into account, the area of the rectangle is : 84 m 84.1 m m 84.1 m 54 nc 7 nc EH$ J X {OgH$m X{jUmdV H$moUr` doj h, `h Xm`t Va $ doj v go EH$ Xrdma H$s Va $ J{V H$a ahr h & Xrdma go `h àë`mñw Q> $a H$aVr h VWm `h ~m`t Va $ bm Q>Vr h & O rz d Xrdma Kf Ua{hV h & Xrdma Ho$ gmw Q> $a Ho$ ~mx J X Ho$ H$moUr` doj Ho$ ~mao ghr H$WZ M`Z H$amo - 16 Nm eyý EH$ Am`V H$s ^wome± 7.01 m VWm 1 m h & gmw H$ A H$mo H$mo bovo hþe Am`V H$m joì $b hmojm : 84 m m ñwm`r AdñWm o 54 nc 7 nc 36 nc 18 nc [ 10 ] 84.1 m 84.1 m 3n F g Ym[aÌ na Amdoe hmojm: 36 nc 18 nc [ Contd...

11 03. Consider one dimensional motion of a particle. Velocity v versus time t graph is shown. Which graph is most appropriate for displacement x versus time t? 03. EH$ H$U Ho$ {be EH$ {d r` J{V br{oe & `hm± doj v VWm g ` t Ho$ Ü` J«m $ Xem `m J`m h & H$m Zgm J«m $ g ` t Ho$ gmnoj {dñwmnz x H$mo g~go Cn`wº$ ê$n go Xem Vm h? 033. An object of mass 6kg floats in air and it is in equilibrium state. Air density is 1.3 kg/m3. The volume of the object is : 6 m3 10 m3 3 0 m 13 m In the given circuit cell E has internal resistance of r = X.What is the value of resistance R so that power delivered to resistor R is maximum? W 3 W [ 11 ] W 5 W Xmo ~obzmh$ma N> S>o A VWm B H$s à{vamoyh$vm g mz h VWm bå~mb ^r g mz h & N> S> A H$m ì`mg N> S> B Ho$ ì`mg H$m XþJwZm h & N> S> A na dmoëq>vm H$m N> S> B na dmoëq>vm Ho$ gmw AZwnmV Š`m h? m3 13 m3 {XE JE n[anw gob E H$m Am V[aH$ à{vamoy r = X h & à{vamoy R H$m mz Š`m hmozm Mm{hE Vm{H$ à{vamoy R H$mo àxmz H$s JB e{º$ A{YH$V hmojr? 1 W 3 W 036. Which of the following material is not ferromagnetic in nature? Al Fe Co Ni -BA ] 6 m3 0 m3 W 5 W 035. Two cylindrical rods A and B have same resistivities and same lengths. Diameter of rod A is twice the diameter of the rod B. Ratio of voltage drop across rod A to rod B is : Ðì` mz 6 kg H$s dñvw hdm V avr hþb gmå`dñwm pñw{v h & hdm H$m KZËd 1.3 kg/m3 h & dñvw H$m Am`VZ hmojm : 1 4 {ZåZ go H$m Zgm nxmw bm ômwå~h$ëd àh ${V H$m Zht h? Al Co Fe Ni [ P.T.O.

12 037. Three small balls of masses 1kg, kg and 3kg are moving in a plane and their velocities are 1 m/s, m/s and 3 m/s respectively as shown. The total angular momentum of the system of the three balls about point P at given instant of time is : 7 kgms 1 9 kgms 1 V 3R 3V R 3V R V 3R 038. V 3R 3V R Consider two polaroids A and B as shown. Unpolarized light is incident on polaroid A. Now both the polaroids are rotated simultaneously by 180 in same sense of rotation such that at every instant, their pass(transmission) axes always remain parallel to each other. During the rotation, intensity of transmitted light through polaroid B : V R V 3R {XE JE VH $ n[anw {ZJ V F=1, V~ {Zdoer h : Xem E AZwgma Xmo nmoboamobs> A VWm B na {dmma H$s{OE& AY«w{dV àh$me nmoboamobs> A na Amn{VV hmovm h & A~ XmoZm nmoboamobs> H$mo EH$ gmw 180 KyU Z EH$ hr {Xem Bg àh$ma go Ky{U V {H$`m OmVm h {H$ àë`oh$ ju XmoZm H$s nmaj Z Aj h oem EH$ Xygao Ho$ g mýva ahvo h & KyU Z Ho$ Xm amz nmoboamobs> B go nmaj{ V àh$me H$s Vrd«Vm : bjmvma KQ>Vr h bjmvma ~ T>Vr h nhbo KQ>Vr h { $a ~ T>Vr h g mz ahvr h EH$ ao{s>`mog{h«$` nxmw H$s g{h«$`vm 8000Bq go 1000Bq VH$ 1 {XZm hmo OmVr h & ao{s>`mog{h«$` nxmw H$s AÕ Am`w Š`m h? 3 {XZ 4 {XZ 6 {XZ {XZ decreases continuously increases continuously first increases then decreases remains same 041. Activity of a radioactive substance becomes from 8000Bq to 1000Bq in 1 Days. What is the half life of the radioactive substance? 3 days 4 days 6 days days A = 0, B = 0, C = 1 A = 0, B = 0, C = 0 A = 0, B = 1, C = 0 A = 1, B = 1, C = 1 A = 0, B = 0, C = 1 A = 0, B = 0, C = 0 A = 0, B = 1, C = 0 A = 1, B = 1, C = 1 -BA ] 8 kgms 1 36 kgms 1 VrZ EH$ g mz à{vamoy {OZ àë`oh$ H$m à{vamoy R h H$mo V dmoëq> Ho$ AmXe gob go {MÌmZwgma Omo S>m OmVm h Vmo BZ VrZ à{vamoym o Hw$b ì`{`v e{º$ hmojr: 039. For given logic diagram, output F=1, then inputs are: Ðì` mz 1kg, kg VWm 3kg H$s VrZ N>moQ>r J Xo EH$ hr Vb doj H«$ e 1 m/s, m/s VWm 3 m/s go {MÌmZwgma J{V H$a ahr h & {XE JE ju na {~ÝXþ P Ho$ gmnoj VrZmo J Xm Ho$ {ZH$m` H$m Hw$b H$moUr` g doj h : 7 kgms 1 9 kgms 1 8 kgms 1 36 kgms Three identical resistors each of resistance R are connected to an ideal cell of voltage V as shown. Total power dissipated in all three resistors is : [ 1 ] [ Contd...

13 04. The energy levels of a hypothetical one electron 16 atom system are given by E n = - ev, where n n = 1,, 3,.The wavelength of emitted photon corresponding to transition from first excited level to ground level is about : 690 A 1035 A 10 A 3650 A What is the voltage across an ideal PN junction diode for shown circuit? V 1V n àw CÎmo{OV AdñWm go yb ñva o g H«$ U H$aVm h V~ CËg{O V $moq>moz H$s Va JX Ü` bj^j hmojr : 0.7V V An experimenter needs to heat a small sample to temperature 900K, but the only available large object has maximum temperature of 600K. Could the experimenter heat the sample to 900K by using a large lens to concentrate the radiation from the large object onto the sample as shown below? A 3650 A [ 13 ] 1035 A {MÌmZwgma n[anw {XE JE AmXe dmoëq>vm Š`m hmojr? PN g {Y S>m`moS> na 0.7V V Vmn 50 C na EH$ H $îurh$m Ûmam CËg{O V e{º$ P h & A~ H $îurh$m Vmn XþJwZm AWm V 100 C H$a {X`m OmVm h Vmo A~ CËg{O V e{º$ hmojr: Yes, if the volume of the large object is at least 1.5 times the volume of the sample. Yes, if the front area of the large object is at least 1.5 times the area of the front of the sample. Yes, if the sample is placed at the focal point of the lens. It is not possible 690 A 0V 1V 044. Power emitted by a black body at temperature 50 C is P. Now temperature is doubled i.e. temperature of black body becomes 100 C. Now power emitted is : 16 P greater than P but less than 16P greater than 16P P -BA ] EH$ H$mën{ZH$ EH$ BboŠQ mz na muw {ZH$m` Ho$ D$Om ñva 16 E n = - ev h Ohm± (n = 1,, 3,.) h & O~ `h 16 P P go A{YH$ naývw 16 P 16 P go A{YH$ P go H$ EH$ à`moj{dx EH$ N>moQ>o à{vxe (sample) H$mo 900K Vmn VH$ J H$aZm MmhVm h naývw ~ S>r dñvw (object) H$m CnbãY A{YH$V Vmn Ho$db 600K h & Š`m à`moj{dx Ûmam {MÌmZwgma ~ S>r dñvw go {d{h$au H$mo EH$ ~ S>o b g Ûmam à{vxe na H ${ÐV H$a à{vxe H$m 900K Vmn {H$`m Om gh$vm h? hm±, `{X ~ S>r dñvw H$m Am`VZ à{vxe Ho$ Am`VZ H$m 1.5 JwUm H$a {X`m OmE & hm±, `{X ~ S>r dñvw H$m gå wi joì $b à{vxe Ho$ gå wi joì $b H$m H$ go H$ 1.5 JwUm H$a {X`m OmE& hm±, `{X à{vxe H$mo b g Ho$ $moh$g {~ÝXþ na aim OmE& `h g ^d Zht h & [ P.T.O.

14 046. Consider a small electric dipole with magnitude of 046. dipole moment p which is placed far away from point A as shown. The electric potential at the point A is : exactly zero -k p r kp r kp r 047. A conducting loop (as shown) has total resistance R. A uniform magnetic field B = γt is applied perpendicular to plane of the loop where γ is a constant and t is time. The induced current flowing through loop is : (b + a ) c R (b - a ) c R F MR F MR (b - a ) ct R 048. F MR F 3 MR k p r g ` (b + a ) ct R (b - a ) ct R F MR F 3 MR 3 t = na H$U H$m doj eyý` h Vmo t = na ËdaU eyý` hr hmojm & t = 0 go t = A Vamb {dñwmnz eyý` t = na ËdaU eyý` hmo gh$vm h & t > Ho$ {be doj eyý` hr hmojm & hr hmojm & EH$ J X xy Vb J{V H$aVr h d O rz go Q> $a go R>rH$ nyd doj (4 it - 4tj ) m/s h & Q> $a Ho$ {be àë`mdñwz JwUm H$ e = 1 h & O rz go Q> $a Ho$ R>rH$ nümv J X H$m doj Š`m hmojm? (4 it + 4tj) m/s (4 it + tj) m/s [ 14 ] Ðì` mz M d {ÌÁ`m R H$s EH$g mz MH$Vr BgHo$ Ho$ÝÐ C na H$sb{H$V h & EH$ ~b F H$mo MH$Vr na {MÌmZwgma Amamo{nV {H$`m OmVm h & Bg g ` MH$Vr H$m H$moUr` ËdaU h : ( it + tj) m/s ( it + 4tj) m/s kp r kp r {MÌmZwgma EH$ MmbH$ byn H$m Hw$b à{vamoy R h & byn Ho$ Vb Ho$ bå~dv EH$g mz Mwå~H$s` joì B = γ t H$mo Amamo{nV {H$`m OmVm h Ohm± γ AMa h VWm t g ` h & byn go àdm{hv ào[av Ymam hmojr: 050. A ball moving in xy plane, has velocity (4 it - 4tj ) m/s just before the collision with ground. Coefficient of 1 restitution for collision is e =. What will be velocity of the ball just after the collision with ground? -BA ] F MR F MR nyu V`m eyý` 049. The velocity of a particle is zero at time t =, then acceleration must be zero at t = displacement must be zero in the interval t = 0 to t =. acceleration may be zero at t = velocity must be zero for t > (4 it + 4tj) m/s (4 it + tj) m/s (b + a ) c R (b - a ) c R (b + a ) ct R 048. A uniform disc of mass M and radius R is hinged at its centre C. A force F is applied on the disc as shown. At this instant, angular acceleration of the disc is : 047. EH$ N>moQ>o {dúwv {ÛY«wd {OgH$m {ÛY«wd AmKyU H$m n[a mu p h BgH$mo {~ÝXþ A go H$m $s Xya {MÌmZwgma aim OmVm h & {~ÝXþ A na {dúwv {d^d h : ( it + tj) m/s ( it + 4tj) m/s [ Contd...

15 CHEMISTRY / agm Zemó 051. The pair of metal carbonyl complexes that are isoelectronic is : [Co(CO)4] and Ni(CO)4 Ni(CO)4 and V(CO)6 [Cr(CO)6] and V(CO)6 [Fe(CO)4] and Cr(CO) YmVw H$m~m}{Zb g Hw$b `m {JH$ H$m H$m Zgm `w½ g BboŠQ mz h : [Co(CO)4] Am a Ni(CO)4 Ni(CO)4 Am a V(CO)6 [Cr(CO)6] Am a V(CO)6 [Fe(CO)4] Am a Cr(CO)6 05. Which one of the following has (have) octahedral geometry? 05. {ZåZ go {H$gH$s /{H$ZH$s Aï> $bh$s` Á`m{ {V h? (i) SbCl-6 (iii) XeF6 (i), (ii) & (iii) (ii), (iii) & (iv) (ii) (i) SnCl6- (iv) IO65 (i), (ii) & (iv) All of these 053. In terms of polar character which one of the following orders is correct? NH3 < HO < HF <HS HS < NH3 < HO < HF HO < NH3 < HS < HF HF < HO < NH3 <HS Among the following compounds of Boron, the species which also forms π bond in addition to σ bonds is: BH3 BF 4 BH6 BF Identify the Brönsted acid in the following equation: PO34- + H O (l) " HPO 4- (aq) + OH- (aq) 055. OH HPO BA ] (i), (ii) & (iv) o g^r Y«wdr` àh ${V Ho$ g X^ {ZåZ H$m Zgm H«$ ghr h? NH3 < HO < HF <HS HS < NH3 < HO < HF HO < NH3 < HS < HF HF < HO < NH3 <HS ~moamz Ho$ {ZåZ{bpIV `m {JH$m go H$m Z σ ~ Ymo Ho$ gmw gmw π ~ Y ^r ~ZmVm h : BH3 BF3 {ZåZ g rh$au ~«m gq>os> Aåb H$mo nhmmz : OH HPO For the reaction HI (g) H (g) + I (g) the degree of dissociation (α) of HI(g) is related to equilibrium constant Kp by the expression: (i), (ii) & (iii) (ii), (iii) & (iv) PO34- + H O (l) " HPO 4- (aq) + OH- (aq) PO34 HO SnCl6- (iv) IO65- BF 4 BH Kp K p 1 + K p (ii) (iii) XeF The number of grams/weight of NH4Cl required to be added to 3 liters of 0.01M NH3 to prepare the buffer of ph=9.45 at temperature 98K (Kb for NH3 is ) 3.53 gm gm 4.55 gm 0.455gm SbCl-6 Vmn 98K na 9.45 ph Ho$ ~ $a {d{b`z H$mo V `ma H$aZo Ho$ {be NH4Cl Ho$ {H$VZo J«m /^ma H$mo 3 brq>a 0.01M NH3 Ho$ {d{b`z { bm`m Om`oJm? (`hm± NH3 Ho$ {be Kb = ) 3.53 gm 4.55 gm [ 15 ] gm 0.455gm A{^{H«$`m HI (g) H (g) + I (g) H$s {d`mooz H$s H$mo{Q> (α) gmå`mdñwm pñwam H$ Kp gå~ýy h : 1+ Kp K p 1 + K p 1 + K p Kp 1 + Kp PO34 HO 1 + K p Kp 1 + Kp [ P.T.O.

16 058. A 6% solution of sucrose CHO11 is isotonic with 3% solution of an unknown organic substance. The molecular weight of unknown organic substance will be: The enthalpy of the formation of CO and HO are 395 kj and 85 kj respectively and the enthalpy of combustion of acetic acid is 869 kj. The enthalpy of formation of acetic acid is: 35 kj 340 kj 40 kj 491 kj 059. CO 060. Which of the following is a lyophobic colloid : Gelatin Sulphur Starch Gum Arabica 060. {ZåZ go H$m Zgm EH$ Ðd{damJr H$mobmBS> h : {OboQ>rZ gë $a ñq>mm J Aao{~H$ 061. For car battery which one is correct statement? 061. H$ma H$s ~ Q>ar Ho$ {be H$m Zgm H$WZ gë` h? H $WmoS> bos> S>mBAm ŠgmBS> (PbO) Ed EZmoS> bos> (Pb) hmovm h H $WmoS> bos> S>mBAm ŠgmBS> (PbO) Ed EZmoS> H$m na (Cu) hmovm h H $WmoS> H$m na (Cu) Ed EZmoS> bos> S>mBAm ŠgmBS> (PbO) ) hmovm h H $WmoS> H$m na (Cu) Ed EZmoS> bos> (Pb) hmovm h 06. Considering entropy(s) as a thermodynamic parameter, the criterion for the spontaneity of any process the change in entropy is : ( Ssystem Ssurrounding ) > 0 Ssystem > 0 only S surrounding > 0 only ( Ssystem + Ssurrounding ) > E Q monr H$mo D$î mj{vh$s àmmb mzvo hþe {H$gr ñdv àd{v V àh«$ Ho$ {be E Q monr n[adv Z hmojm: 063. At low pressure and high temperature, the Vander Waal s equation is finally reduced (simplified) to : Cathode is Lead dioxide (PbO) and anode is Copper (Cu) Cathode is Copper (Cu) and anode is Lead dioxide (PbO) Cathode is Copper (Cu) and anode is Lead (Pb) 40 kj 491 kj Ho$db S n[adoe > 0 ( SV Ì + Sn[adoe ) > 0 H$ Xm~ Am a Cƒ Vmn mz na, dm S>a dmb g rh$au H$m A {V gabrh $V n[ad{v V ê$n hmojm: PVm = RT c P + a m (Vm - b) = RT V m P(Vm b) = RT P(Vm b) = RT c P + a m V = RT V m m 340 kj a m (Vm - b) = RT V m -BA ] 35 kj ( SV Ì Sn[adoe ) > 0 Ho$db SV Ì > 0 PVm = RT c P Am a HO Ho$ g ^dz H$s D$î m H$m mz H«$ e -395 kj Am a -85 kj h Am a E{g{Q>H$ E{gS> Ho$ XhZ H$s D$î m 869 kj h & E{g{Q>H$ E{gS> Ho$ g ^dz H$s D$î m h : Cathode is Lead dioxide (PbO) and anode is Lead (Pb) c P + gwh«$moo CHO11 H$m 6% {db`z EH$ AkmV H$m~ {ZH$ nxmw Ho$ 3% {db`z Ho$ gmw g namgmar h & AkmV H$m~ {ZH$ nxmw H$m AmU{dH$ ^ma hmojm: [ 16 ] a m V = RT V m m [ Contd...

17 064. Which graph represents the zero order reaction [A (g) " B (g)] 064. {ZåZ go H$m Zgm J«m $ eyý` H$mo{Q> A{^{H«$`m [A (g) " B (g)] H$mo àx{e V H$aVm h : {ZåZ go H$m Zgm `m {JH$ J gmýð HSO4 ^r A{dbo` h? E{WbrZ ~ OrZ hošgoz E{ZbrZ 065. Which of the following compounds is insoluble even in hot concentrated HSO4? Ethylene Benzene Hexane Aniline The half life of Th3 is years and that of its daughter element Ra38 is 7 years. What amount (most nearly) weight of Ra38 will be in equilibrium with 1gm of Th3? gm 5.0 gm gm gm 066. Th Which of the following electron has minimum energy? 1 n = 3, l =, m =, s = + 1 n = 4, l = 0, m = 0, s = + 1 n = 4, l = 1, m = +1, s = + 1 n = 5, l = 0, m = 0, s = Total number of stereoisomers of the following compounds are respectively : 068. H$s AY Am`w H$m mz df h Am a Bggo CËnÞ nwìr VËd Ra38 H$s AY Am`w 7 df h & Ra38 H$s {H$VZr (g~go g rnv ) mìm Th3 H$s 1gm mìm Ho$ gmw gmå` hmojr? gm gm 5.0 gm gm {ZåZ{bpIV go H$m Zgm BboŠQ m Z Ý`yZV D$Om aivm h? n = 3, l =, n = 4, l = 0, n = 4, l = 1, n = 5, l = 0, 1 1 m = 0, s = + 1 m = +1, s = + 1 m = 0, s = + m =, s = + {ZåZ `m {JH$m Ho$ {Ì{d g md`dr`m H$s g»`m H«$ e h : (i) (i) (ii) 4, 6 6, 6 H C 4, 6 6, 6 8, 0 8, Which of the following is a monomer of Dacron: CH CH - CH CH Cl C - CH COOH 069. CH 8, 0 8, 8 {ZåZ go H$m Zgm So>H«$moZ H$m EH$bH$ h? CH CH - CH Cl H C C - CH COOH COOH CH CH COOH HOH C - CH OH HOH C - CH OH -BA ] (ii) [ 17 ] [ P.T.O.

18 070. Which of the following is a meso compound? trans 1, 4 dimethylcyclohexane cis 1, 3 dimethylcyclohexane trans 1, 3 dimethylcyclohexane cis 1, 4 dimethylcyclohexane 070. {ZåZ go H$m Zgm { gmo `m {JH$ h? Q m g -1, 4- S>mB o{wbgmbšbmohošgoz {gg -1, 3- S>mB o{wbgmbšbmohošgoz Q m g -1, 3- S>mB o{wbgmbšbmohošgoz {gg -1, 4- S>mB o{wbgmbšbmohošgoz 071. IUPAC name of the following is : CH3 CH CH CHCH CH {ZåZ H$m IUPAC Zm h : CH3 CH CH CH3 CHO,5 Butyl butenal,3 di ethyl butenal ethyl 3 methyl pentanal 8 methyl ethyl pentanal CH3 07. Which of the following is Reimer - Tieman reaction? OH 07., 5 ã`w{q>b ã`yq>ozb, 3 S>mB E{Wb ã`yq>ozb E{Wb, 3 o{wb n Q>oZb 8 o{wb, E{Wb n Q>oZb OH + CHCl3 + aq. NaOH + CHCl3 + aq. NaOH OH + CHCl3 + alcoh. NaOH OCH3 + CHCl3 + alcoh. NaOH OCH3 + CH3 COCl OCH5 anhy. AlCl3 + CH3 COCl OCH5 Conc.H SO4 Conc.HNO B, P, S 074. Some pairs of ions are given below. In which pair, first ion is more stable than second ion? anhy. AlCl3 Conc.H SO4 Conc.HNO3 Am a F VËdm H$s àw Am`ZZ EÝWopën`m H$m ~ T>Vm hþam H«$ h : 073. The increasing order of the first ionization enthalpies of the elements B, P, S and F is: B < P < S < F B < S < P < F F < S < P < B P < S < B < F B < P < S < F F < S < P < B 5 p H3 C - CH - CH3 and - CH - OCH 3 B < S < P < F P < S < B < F ZrMo Hw$N> Am`Zm Ho$ `w½ {XE JE h, BZ o go {H$g o àw Am`Z Xÿgao Am`Z go A{YH$ ñwm`r h? 5 5 p H3 C - CH - CH3 VWm - CH - OCH H3 C - CH - CH - CH3 and H3 C - CH - CH - CH3 5 VWm 5 H C - CH - CH - CH CHO {ZåZ go H$m Zgr ar a Q>r mz A{^{H«$`m h? OH CHCH CH3 H C - CH - CH - CH CH CH CH CH and H3 C - N - CH3 H3 C - CH - CH3 and H C - C - CH3 5 -BA ] VWm H3 C - N - CH3 H3 C - CH - CH3 H3 C - C - CH3 H C - C - CH3 5 5 [ 18 ] VWm H3 C - C - CH3 5 [ Contd...

19 075. Which alkaline earth metal compound is volatile? Be3N Mg3N Ca3N None of the options What is the name of the following reaction? NaOH CH3OH + HCOONa HCHO + HCHO T Hell Volhard reaction Clemmensen reaction Cannizzaro reaction None of the options Inorganic graphite is: BN3H6 BN 077. Be3N Ca3N {ZåZ A{^{H«$`m H$m Zm Š`m h? {ZåZ H$s jmar` gm Ï` H$m KQ>Vm hþam H«$ h : (i) (ii) (iii) (iv) 079. CH3 CH3 CH3 CH3 - CH - C / CCH - SCH - CO- CH - O iv > i > ii > iii i > iv > iii > ii {ZåZ go Xmo `m {JH$m H$m M`Z H$a Omo {H$ Am`ZZ Ho$ ~mx g mz H$m~ YZAm`Z ~Zm` JoBr Br Br Br Br Br (ii) (i) BH6 BF3 ii > i > iv > iii i > iv > ii > iii 079. Among the given compound choose the two that yield same carbocation on ionization. CH3OH + HCOONa AH$m~ {ZH$ J«o $mbq> h : BN3H6 BN 078. NaOH T hob dmoëhms > A{^{H«$`m Šbo gz A{^{H«$`m H$m{ZµOamo A{^{H«$`m H$moB ^r {dh$ën Zht iv > i > ii > iii i > iv > iii > ii Br Mg3N BZ o go H$moB {dh$ën Zht HCHO + HCHO BH6 BF Rank the following in decreasing order of basic strength: (i) CH3 - CH - C / C(ii) CH3 - CH - S(iii) CH3 - CH - CO- (iv) CH3 - CH - O ii > i > iv > iii i > iv > ii > iii {ZåZ go H$m Zgm jmar` Xm YmVw `m {JH$ dmînerb h? (iii) Br (ii) (i) (iv) (iii) (i),(iii) (ii),(iv) (i),(iii) (i),(ii) (ii),(iii) (i),(ii) (ii),(iii) 080. Increasing order of acidic strength of given compounds is : OH OH OH OH (i) CN (ii) OCH3 (iii) Cl (iv) BA ] (i) [ 19 ] (ii),(iv) {ZåZ `m {JH$m H$s Aåbr` gm Ï` H$m ~ T>Vm hþam H«$ h : OH iii < i < iv < ii ii < i < iv < iii i < iii < iv < ii i < iii < ii < iv (iv) OH OH OH CN (ii) OCH3 (iii) Cl (iv) iii < i < iv < ii ii < i < iv < iii i < iii < iv < ii i < iii < ii < iv [ P.T.O.

20 081. Which of the following effects of NO group operates on NH group in this molecule? NH Me 081. ZrMo {XE JE AUw {ZåZ go H$m Zgm à^md NO g yh NH g yh na à^mdr hmojm? NH Me Me NO Only I effect Only +M effect Only M effect Both I and M effect 08. Which of the following material is known as lunar caustic? NaNO3 AgNO3 NaOH CH3 CH CH CH - C 08. AgCl 083. Provide an acceptable name for the alkane shown below : H 083. Ho$db I à^md Ho$db +M à^md Ho$db M à^md XmoZm I Am a M à^md {ZåZ go H$m Zgm nxmw byza H$mpñQ>H$ Ho$ Zm go OmZm OmVm h? NaNO3 AgNO3 NaOH H CH CH CH (CH3) CH3 CH CH CH - C C - CH CH CH What is the product in the following reaction? OH (NH4) Cr O7 HSO4 6 E{Wb o{wb 5 àmo{nbso>ho$z 5 E{Wb 6 o{wb àmo{nbso>ho$z E{Wb 6 o{wb àmo{nbso>ho$z E{Wb 6 o{wb 5 àmo{nbso>ho$z - HO ozmoo HO D ½byH$moO Cnamoº$ A{^{H«$`m H$m CËnmX h : D ½byH$moO D «$ŠQ>moO D Q>obmoO D Am`moS>moO 084. D 085. {ZåZ A{^{H«$`m H$m CËnmX hmojm? OH (NH4) Cr O7 HSO4 Benzoquionone Cyclohexane-1-one Benzoic sulphate C - CH CH CH3 - Benzoic Acid -BA ] CH CH CH (CH3) CH CH3 H 6 ethyl methyl 5 propyldecane 5 ethyl 6 methyl propyldecane ethyl 6 methyl propyldecane ethyl 6 methyl 5 propyldecane HO HO 084. D Mannose D glucose Product of above reaction is: D glucose D fructose D Talose D Idose AgCl ZrMo Xr J`r EëHo$Z H$m ñdrh$m` Zm ~VmB`o: CH CH3 H Me NO [ 0 ] ~oýµomobh$ Aåb ~oýomo{¹$zm Z gm`šbmohošgoz-1-amoz ~oýµomobh$ gë o$q> [ Contd...

21 086. How many bonds are there in : 086. {XE JE AUw Hw$b {H$VZo ~ Y h? 14σ, 8p 18σ, 8p 14σ, 8p 19σ, 4p 14σ, p 19σ, 4p 14σ, p 087. Which of the following molecules is optically active? (i) and (ii) (ii) and (iii) 087. (i) and (iii) (i), (ii) and (iii) 088. Which of the following statement is correct? (i) Am a (iii) (ii) Am a (iii) (i), (ii) Am a (iii) ZrMo {XE JE `m {JH$m go {H$Z `m {JH$m H$mo àmá H$aZo Ho$ {be «$ss>b H«$mâQ> E{g{bH$aU H$m Cn`moJ {H$`m Om gh$vm h : AlCl3 is stronger than BCl3 BCl3 and AlCl3 are both equally strong Lewis acid Both BCl3 and AlCl3 are not Lewis acids (II) (III) (IV) Friedel Crafts acylation can be used to obtain: I, III, IV II, III, IV I, II, IV I, II, III 089. BCl3 and AlCl3 are both Lewis acids and -BA ] (i) Am a (ii) {ZåZ go H$m Zgm H$WZ gë` h? BCl3 Am a AlCl3 XmoZm bwb g Aåb h Ed BCl3, AlCl3 go e{º$embr h BCl3 Am a AlCl3 XmoZm bwb g Aåb h Ed AlCl3, BCl3 go e{º$embr h BCl3 Am a AlCl3 XmoZm g mz e{º$embr bwb g Aåb h BCl3 Am a AlCl3 XmoZm hr bwb g Aåb Zht h is stronger than AlCl3 (I) {ZåZ go H$m Zgo AUw àh$m{eh$ g{h«$` h? 088. BCl3 and AlCl3 are both Lewis acids and BCl Consider the following compounds. 18σ, 8p [ 1 ] (I) (II) (III) I, III, IV II, III, IV I, II, IV I, II, III (IV) [ P.T.O.

22 090. Provide the systematic name of the compound shown: 090. ZrMo àx{e V `m {JH$ H$m ì`dpñwv Zm Xr{O`o: 4 butyl 1 ethyl methylcycloheptane 4-ã`w{Q>b 4 butyl ethyl 1 methylcycloheptane 1 butyl 4 ethyl 3 methylcycloheptane butyl 4 ethyl 1 methylcycloheptane 091. Give the IUPAC name for the following structure: E{Wb - - o{wbgmbšbmohoßq>oz 4- ã`w{q>b -- E{Wb -1- o{wbgmbšbmohoßq>oz 1- ã`w{q>b -4-E{Wb o{wbgmbšbmohoßq>oz - ã`w{q>b -4-E{Wb -1- o{wbgmbšbmohoßq>oz {ZåZ ga MZm H$m IUPAC Zm Xr{O`o:: 3 chloro methylcyclohexanol 3 - methyl 5 chlorocyclohexanol 1 chloro 4 methylcyclohexanol 5 chloro methylcyclohexanol 09. In aldol addition reaction product is always: 09. EëS>mob `mojmë H$ A{^{H«$`m CËnmX h oem hmojm : b hmb S mošgreës>rhmb S> b hmb S mošgrh$sq>moz a, b Ag V á EëS>rhmB S> a, b Ag V á H$sQ>moZ 093. {ZåZ go H$m Zgo `m {JH$ Ho$ {be {XY«wd AmKyU H$m mz A{YH$V hmojm? b hydroxyaldehyde b hydroxyketone a, b unsaturated aldehyde a, b unsaturated ketone 093. Which one of the following compounds will have the highest dipole moment? -BA ] Šbmoamo - - o{wbgmbšbmohošgmzmob - o{wb ŠbmoamogmBŠbmohoŠgmZmob 1 - Šbmoamo o{wbgmbšbmohošgmzmob 5 - Šbmoamo - - o{wbgmbšbmohošgmzmob [ ] [ Contd...

23 094. The number of moles of Grignard reagent consumed per mole of the compound : The paramagnetic species is : KO SiO TiO BaO Which one of the following has the highest Nucleophilicity? F OH CH3 NH In view of rg0 for the following reactions : PbO + Pb " PbO, Dr G0 < 0 SnO + Sn " SnO, Dr G0 > 0 Which oxidation state is more characteristic for lead and tin? 097. ZrMo {XE JE `m {JH$ à{v mob Cn^moJ hmozo dmbo {J«¾mS > A{^H$ H$ Ho$ {H$VZo mob hm Jo : 1 {ZåZ go AZwMwåãH$s` h : KO TiO SiO BaO {ZåZ go {H$gH$s Zm{^H$ ñzo{hvm A{YH$V h? F CH3 OH NH {ZåZ A{^{H«$`mAm Ho$ {be rg0 H$mo Ü`mZ aivo hþe b S> (grgo) Am a {Q>Z Ho$ {be H$m Zgr Am ŠgrH$aU AdñWmE A{YH$ A{^bmj{UH$ h? PbO + Pb " PbO, Dr G0 < 0 SnO + Sn " SnO, Dr G0 > 0 b S> Ho$ {be +4, {Q>Z Ho$ {be + b S> Ho$ {be +, {Q>Z Ho$ {be + b S> Ho$ {be +4, {Q>Z Ho$ {be +4 b S> Ho$ {be +, {Q>Z Ho$ {be +4 For lead +4, for tin + For lead +, for tin + For lead +4, for tin +4 For lead +, for tin Which of the following compounds will exhibit geometrical isomerism? 1 Phenyl butane 3 Phenyl 1 butene Phenyl 1 butene 1,1 Diphenyl 1 propene 098. {ZåZ go H$m Zgm `m {JH$ Á`m{ Vr` g d`mdvm àx{e V H$aoJm? 1-{ $ZmBb--ã`yQ>oZ 3 -{ $ZmBb-1-ã`yQ>rZ -{ $ZmBb-1-ã`yQ>rZ 1,1-S>mB { $ZmBb-1-àmonrZ 099. At Critical Micell Concentration (CMC), the surfactant molecules: decompose dissociate associate become completely soluble 099. H«$m {VH$ { gob gm ÐVm na gµ $}ŠQ>oÝQ> AUw : AnK{Q>V hmovo h {d`mo{ov hmovo h g `mo{ov hmovo h nyu V`m KwbZerb hmovo h 100. Which one of the following will be reactive for Perkin condensation? 100. n{h $Z g KZZ A{^{H«$`m Ho$ {be {ZåZ go H$m Z {H«$`merb hmojm? C6H5 CH3 CHO CH3 O CHO ON -BA ] CHO CHO C6H5 CH3 [ 3 ] CHO CH3 O CHO ON CHO CHO [ P.T.O.

24 Biology / 101. Coacervates are : Ordemó 101. Lipoproteins H$moEg doq²g hmovo h : {bnmoàmoq>rýg A mo{z`m, H$m~m}hmBS oq> Ed Ob H$m { lu Colloidal suspensions H$mobmoBS>b {Zbå~Z Fatty acids and nitrogenous compound dgm Aåb Ed ZmB Q moorzr `m {JH$ Mixture of Ammonia, carbohydrates and water os>`wbm Am ãbmjmýq>m CÎmaXm`r h : Vmn {Z` ÌU Ho$ {be Ñ{ï> Ho$ {be ñ {V Ho$ {be g VwbZ Ho$ {be 103. German cockroach ãbmq>m d e Ho$ H$m H$amoO ({VbMÅ>o) H$mo `h ^r H$hm OmVm h : O Z H$m H$amoO Australian cockroach Oriental cockroach American cockroach Medulla oblongata is responsible for : Thermaregulation vision memory balance 103. The cockroach of genus Blatta is also called : 104. Groups of five kingdom scheme are : 104. Virus, Bacteria, Fungi, Plantae and Animalia Monera, Protista, Fungi, Plantae and Am ñq o{b`z H$m H$amoO Amo[a` Q>b H$m H$amoO A o[ah$z H$m H$amoO n M OJV n[ah$ënzm gpå {bv g yh h : {dfmuw, OrdmUw, H$dH$, nbmýq>r Ed E{Z o{b`m mozao m, àmo{q>ñq>m, H$dH$, nbmýq>r Ed E{Z o{b`m OrdmUw, H$dH$, nmxn Ed OÝVw H$dH$, àmo{q>ñq>m, nmxn Ed OÝVw Animalia Bacteria, Fungi, Plant and Animal Fungi, Protista, Plant and Animal 105. Hygroscopic roots are found in : Trapa Hydrilla Orchid Typha - BA ] 105. [ 4 ] AmÐ VmJ«mhr O S> nmb OmVr h : Q mnm hmb{s bm Am {H $S> Q>mB $m [ P.T.O.

25 Fruit of Mango is a : 106. Pepo Pome Berry Drupe Passage cells are found in tissue : 107. A{YM Xylem Endodermis OmBb AÝVü Pericycle n[aaå^ Adenosine is a : E{S>Zmo{gZ h EH$ : ZmBQ moorzr jma Ý`ypŠb`mogmBS> Ý`ypŠb`moQ>mBS> Ý`ypŠbH$ Aåb 109. Zrb h[av e dmb àh$me g ûcofu H$s {H«$`m Bg hmovr h : ŠbmoamoßbmñQ b { br hoq>oamo{gñq H $amoq>rz 110. ßbmpÁ S> Š`m hmovm h? OrdmUw {dfmuw JwUgyÌr` DNA I S> A{V[aº$ JwUgyÌr` DNA I S> 111. ~«m`mo $mbq>m ~romuwx²{^x H$m EH$ {deof A J Omo Bgo `w½ H$moX²{^X go Omo S>Vm h H$hbmVm h : ñq>m H$ w$q> grq>m amb OmoBS²g Nucleic acid place in : Chloroplast Lamellae Heterocyst Carotene What is plasmid? Bacteria Virus Chromosomal DNA segment Extra chromosomal DNA segment 111. In Bryophyta, a specialized organ of the sporophyte for attachment to the gametophyte is called : Stalk Foot Seeta Rhizoids - BA ] nmo S >n 108. Nucleotide In blue green algae, photo synthesis takes mj H$mo{eH$mE± Bg D$ÎmH$ nmb OmVr h : Nucleoside 110. nrnmo ~oar Epidermis Nitrogenous base 109. Am H$m $b h : [ 5 ] [ Contd...

26 Inverted omega shaped vascular bundles are 11. found in : h : Cycas corolloid root gmbh$g àmdbm^ yb Cycas stem gmbh$g VZm Cycas rachis gmbh$g ao{h$g Cycas leaflet gmbh$g nu H$ Apogamy results in formation of : An`w½ Z Ho$ n[aum ñdê$n ~ZVm h : Diploid Sparophyte {ÛJw{UV ~romuwx²{^x Diploid Gametophyte Haploid Sparophyte Haploid Gametophyte {ÛJw{UV `w½ H$moX²{^X AJw{UV ~romuwx²{^x AJw{UV `w½ H$moX²{^X Cuscuta is a : Partial stem parasite H$ñHw$Q>m h EH$ : nyu ñvå^ naordr Am {eh$ ñvå^ naordr Total root Parasite Partial root Parasite 114. Total stem parasite 115. CbQ>o Amo ojm AmH$ma Ho$ g dhzr ~ÊS>b nme OmVo Hydathodes are meant for : 115. Oba Y«m H$m H$m` h : Respiration Guttation Transpiration Photo respiration A molecule of ATP is structurally similar to a 116. molecule of : RNA molecule DNA molecule Amino acid Fatty acid - BA ] [ 6 ] nyu yb naordr Am {eh$ yb naordr œgz {~ÝXwómd dmînmoëgo Z àh$mer` œgz EH$ ATP AUw g amzmë H$ ê$n go BgHo$ g mz hmovm h : RNA AUw DNA AUw E{ Zmo Aåb dgm Aåb [ P.T.O.

27 117. Which colour of light is most effective for 117. photo synthesis? Blue gdm {YH$ à^mdr h? Zrbm Green ham Red bmb Violet ~ JZr Imbibtion is a : 118. amgm`{zh$ à{h«$`m Biological Process Physical Process Biochemical Process O {dh$ à{h«$`m ^m {VH$ à{h«$`m O damgm`{zh$ à{h«$`m Which of the plant harmone is extracted Auxin H$m Zgm nmxn hm m}z H$dH$ go {ZîH${f V {H$`m J`m h? Am ŠgrZ Gibberellin Cytokinin, 4-D, 4-D 119. What is emasculation? nwýgëdhau Š`m h? ~møxbm H$mo hq>mzm Xbm H$mo hq>mzm namjh$moem H$mo hq>mzm A S>me` H$mo hq>mzm 11. AYmoHw $MZ J{V nmb OmVr h : Nw>B wb nu Hw $MZ H${bH$m H$m ZrMo bq>h$zm nwîn H$m pibzm $Z H$s VéU n{îm`m± Removal of sepals Removal of anthers Removal of ovary Epinasty movement is found in : Leaf sensitivity in Mimosa pudica Drooping of bud Opening of flower Young leaves of Fern - BA ] {O~«o{bZ gmbq>moh$mb{zz 10. Removal of petals 11. AÝV MyfU h EH$ : Chemical Process from fungus? 10. àh$me H$m H$m Zgm a J àh$me g ûcofu Ho$ {be [ 7 ] [ Contd...

28 Genes do not pairs in : 1. Somatic cells Gamete H$m{`H$ H$mo{eH$m `w½ H$ Fertilized egg {Zfo{MV A S> Zygote `w½ ZO Ultimate source of genetic variability are : Mutation AmZwdm {eh$ {d{^þvm H$m na ómov h : CËn[adV Z Genetic drift AmZwdm {eh$ Andmh Gene flow Transformation and translation OrZ àdmh ê$nmývau Ed AZwdmXrH$aU Which 13. technique is used for the test tube Zygoti intra fallopian transfer naizbr {eew H$m` H«$ Ho$ {be H$m Zgr VH$ZrH$ BñVo mb H$s OmVr h? `w½ H$ AÝV $bmonr ñwmzmývau `w½ ZO AÝV $bmonr ñwmzmývau Intra cytoplasmic sperm injection Intra uterine insemination 14. baby program? Gameti intra fallopian transfer OrZ `w½ Zht hmovo h : Main function of tapetum is : 15. Q>onrQ> H$m w»` H$m` h : Protection Nutrition Pollination Fertilization Dinosaurs disappeared during : 16. Cretaceous Permian Jurassic Triassic - BA ] [ 8 ] AÝV H$mo{eH$m Ðì``r ewh«$muw B OoŠeZ AÝV J^m e`r dr` gomz gwajm nmofu namju {ZfoMZ S>m`Zmgmoa Bg Xm amz bwá hþe : {H«$Q>o{e`g na{ `Z Owam{gH$ Q mbe{gh$ [ P.T.O.

29 Maximum absorption of water occurs in : 17. Colon Rectum H$mobZ bme` Stomach Am me` Small Intestine N>moQ>r Am V Juvenile harmone is secreted by : Thyroid gland {H$emoa hm m}z H$m ódu BgHo$ Ûmam hmovm h : Wm`amoBS> J«{W Thymus gland Wm` g J«{W Adrenal gland Carpora allata E{S Zb J«{W H$manmoam EbmQ>m 18. Which organ is concerned with the formation Kidney Iaho H$m Zgm A J `y[a`m {Z m U go gå~ {YV h? aº$ d ³H$ Spleen Liver 19. of urea in rabbit? Blood 130. In mammals which organ acts as blood 130. bank? Lung Liver Spleen What is chemical composition of fertilizin? 131. Lipoprotein Glycoprotein Mucoprotein Chromoprotein - BA ] ßbrhm `H $V ñvzym[a`m H$m Zgm A J ãbs> ~ H$ H$s Vah H$m` H$aVm h? öx` o$ $ S>o brda ßbrhm Heart 131. Ob H$m A{YH$V AdemofU hmovm h : [ 9 ] $Q>ubmBOrZ H$m amgm`{zh$ g KQ>Z Š`m h? {bnmoàmoq>rz ½bmBH$moàmoQ>rZ å`wh$moàmoq>rz H«$mo moàmoq>rz [ Contd...

30 Rh factor is present in : 13. All vertebrates All mammals All reptiles Man and Rhesus monkey only. Which of the following characteristic was not Q>a Ho$ nm Ym na {H$E JE à`mojm S>b Zo {ZåZ go {H$g bju H$m Cn`moJ Zht {H$`m? y$b H$m a J ~romdau H$m a J $br H$m a J $b H$s AmH ${V 134. EñHo$[ag ñd` H$mo nanmofr Ho$ nmmh$ E OmB mo go BgHo$ Ûmam ~MmVm h : ûcoî m EÝQ>rE OmB EÝQ>rE OmB Ed Š`y{Q>H$b Š`y{Q>H$b 135. AIDS 136. ñnýomo {ZåZ{bpIV go AZwnpñWV hmovo h? V {ÌH$m H$mo{eH$m g doxr H$mo{eH$m J«{W H$mo{eH$m {XE JE g^r {dh$ën plant? Flower colour Seed coat colour Pod colour Fruit shape Ascaris protects itself against digestive enzymes of the host by: Mucus Antienzyme Antienzyme and cuticle Cuticle 135. HIV that causes AIDS first starts destroying : Leucocytes Helper T lymphocytes Thrombocytes b - Lymphocytes 136. Which one of the following is absent in sponges? Nerve cell Sensory cell Gland cell All of the options - BA ] g^r g^r g^r {g $ CnpñWV hmovm h : H$eoé{H$`m ñvzym[a`m garg nm Zwî` Ed argg ~ÝXa 133. used by Mendel in his experiment on Pea 134. Rh factor [ 30 ] CËnÞ H$aZo dmbm H$aVm h : ë`yh$mogmbq>mo H$mo hoëna T-{bå $mogmbq>mo W«moå~mogmBQ>mo b - {bå $mogmbq>mo HIV g~go nhbo Zï> [ P.T.O.