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Page 1 31/3/1 1 P.T.O. narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð >na Adí` {bIo§ & Candidates must write the Q.P. Code on the title page of the answer-book. Series QQBRR/3 àíZ-nÌ H$moS> Q.P. Code amob Z§. Roll No. {dkmZ SCIENCE : 2 : 40 Time allowed : 2 hours Maximum Marks : 40 H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 15 h¢ & àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE àíZ-nÌ H$moS> H$mo narjmWu CÎma-nwpñVH$m Ho$ _wI-n¥ð> na {bI| & H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >15 àíZ h¢ & H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ Adí` {bI| & Bg àíZ-nÌ 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ- _| 10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-n Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo & Please check that this question paper contains 15 printed pages. Q.P. Code given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate. Please check that this question paper contains 15 questions. Please write down the serial number of the question in the answer-book before attempting it. 15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period. 31/3/1 SET-1 Page 2 31/3/1 1 P.T.O. narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð >na Adí` {bIo§ & Candidates must write the Q.P. Code on the title page of the answer-book. Series QQBRR/3 àíZ-nÌ H$moS> Q.P. Code amob Z§. Roll No. {dkmZ SCIENCE : 2 : 40 Time allowed : 2 hours Maximum Marks : 40 H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 15 h¢ & àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE àíZ-nÌ H$moS> H$mo narjmWu CÎma-nwpñVH$m Ho$ _wI-n¥ð> na {bI| & H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >15 àíZ h¢ & H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ Adí` {bI| & Bg àíZ-nÌ 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ- _| 10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-n Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo & Please check that this question paper contains 15 printed pages. Q.P. Code given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate. Please check that this question paper contains 15 questions. Please write down the serial number of the question in the answer-book before attempting it. 15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period. 31/3/1 SET-1 31/3/1 2 : : (i) 15 (ii) (iii) 1 7 2 (iv) 8 13 3 (v) 14 15 4 (vi) IÊS> H$ 1. (H$) {S>ñnmoOo m| ({_Å>r Ho$ nmÌ) Am¡a {S>ñnmoOo~b H$mJµO Ho$ H$nm| XmoZm| H$m Cn`moJ ßbmpñQ>H$ Ho$ {S>ñnmoOo~b H$nm| Ho$ {dH$ën Ho$ ê$n _| {H$`m Om ahm h¡ & BZ XmoZm| _| go {H$go ßbmpñQ>H$ Ho$ H$nm| Ho$ ~ohVa {dH$ën Ho$ ê$n _| _mZm Om gH$Vm h¡ ? 2 AWdm (I) {b{IE & ImÚ nXmWm] (\$bm| Am¡a gpãµO`m|) H$s gm_mÝ` YwbmB© go O¡d AmdY©Z Ho$ Vm h¡ ? 2 2. °Z-q~Xþ g§aMZm It{ME : 2 (H$) (I) ã`yQ>oZ Page 3 31/3/1 1 P.T.O. narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð >na Adí` {bIo§ & Candidates must write the Q.P. Code on the title page of the answer-book. Series QQBRR/3 àíZ-nÌ H$moS> Q.P. Code amob Z§. Roll No. {dkmZ SCIENCE : 2 : 40 Time allowed : 2 hours Maximum Marks : 40 H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 15 h¢ & àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE àíZ-nÌ H$moS> H$mo narjmWu CÎma-nwpñVH$m Ho$ _wI-n¥ð> na {bI| & H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >15 àíZ h¢ & H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ Adí` {bI| & Bg àíZ-nÌ 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ- _| 10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-n Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo & Please check that this question paper contains 15 printed pages. Q.P. Code given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate. Please check that this question paper contains 15 questions. Please write down the serial number of the question in the answer-book before attempting it. 15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period. 31/3/1 SET-1 31/3/1 2 : : (i) 15 (ii) (iii) 1 7 2 (iv) 8 13 3 (v) 14 15 4 (vi) IÊS> H$ 1. (H$) {S>ñnmoOo m| ({_Å>r Ho$ nmÌ) Am¡a {S>ñnmoOo~b H$mJµO Ho$ H$nm| XmoZm| H$m Cn`moJ ßbmpñQ>H$ Ho$ {S>ñnmoOo~b H$nm| Ho$ {dH$ën Ho$ ê$n _| {H$`m Om ahm h¡ & BZ XmoZm| _| go {H$go ßbmpñQ>H$ Ho$ H$nm| Ho$ ~ohVa {dH$ën Ho$ ê$n _| _mZm Om gH$Vm h¡ ? 2 AWdm (I) {b{IE & ImÚ nXmWm] (\$bm| Am¡a gpãµO`m|) H$s gm_mÝ` YwbmB© go O¡d AmdY©Z Ho$ Vm h¡ ? 2 2. °Z-q~Xþ g§aMZm It{ME : 2 (H$) (I) ã`yQ>oZ 31/3/1 3 P.T.O. General Instructions : Read the following instructions very carefully and strictly follow them : (i) This question paper comprises 15 questions. All questions are compulsory. (ii) This question paper is divided into three sections A, B and C. (iii) Section A Questions No. 1 to 7 are short answer type questions. Each question carries 2 marks. (iv) Section B Questions No. 8 to 13 are also short answer type questions. Each question carries 3 marks. (v) Section C Questions No. 14 and 15 are case-based questions. Each question carries 4 marks. (vi) Internal choices have been provided in some questions. Only one of the alternatives has to be attempted. SECTION A 1. (a) Kulhads (disposable cups made of clay) and disposable paper cups both are used as an alternative for disposable plastic cups. Which one of these two can be considered as a better alternative to plastic cups and why ? 2 OR (b) Human beings are most adversely affected by the Biological Magnification. State the reason. Why can ordinary washing of the edibles (fruits and vegetables) not reduce the effect of biological magnification ? 2 2. Draw the electron dot structure of the following : 2 (a) Cyclohexane (b) Butane Page 4 31/3/1 1 P.T.O. narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð >na Adí` {bIo§ & Candidates must write the Q.P. Code on the title page of the answer-book. Series QQBRR/3 àíZ-nÌ H$moS> Q.P. Code amob Z§. Roll No. {dkmZ SCIENCE : 2 : 40 Time allowed : 2 hours Maximum Marks : 40 H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 15 h¢ & àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE àíZ-nÌ H$moS> H$mo narjmWu CÎma-nwpñVH$m Ho$ _wI-n¥ð> na {bI| & H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >15 àíZ h¢ & H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ Adí` {bI| & Bg àíZ-nÌ 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ- _| 10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-n Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo & Please check that this question paper contains 15 printed pages. Q.P. Code given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate. Please check that this question paper contains 15 questions. Please write down the serial number of the question in the answer-book before attempting it. 15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period. 31/3/1 SET-1 31/3/1 2 : : (i) 15 (ii) (iii) 1 7 2 (iv) 8 13 3 (v) 14 15 4 (vi) IÊS> H$ 1. (H$) {S>ñnmoOo m| ({_Å>r Ho$ nmÌ) Am¡a {S>ñnmoOo~b H$mJµO Ho$ H$nm| XmoZm| H$m Cn`moJ ßbmpñQ>H$ Ho$ {S>ñnmoOo~b H$nm| Ho$ {dH$ën Ho$ ê$n _| {H$`m Om ahm h¡ & BZ XmoZm| _| go {H$go ßbmpñQ>H$ Ho$ H$nm| Ho$ ~ohVa {dH$ën Ho$ ê$n _| _mZm Om gH$Vm h¡ ? 2 AWdm (I) {b{IE & ImÚ nXmWm] (\$bm| Am¡a gpãµO`m|) H$s gm_mÝ` YwbmB© go O¡d AmdY©Z Ho$ Vm h¡ ? 2 2. °Z-q~Xþ g§aMZm It{ME : 2 (H$) (I) ã`yQ>oZ 31/3/1 3 P.T.O. General Instructions : Read the following instructions very carefully and strictly follow them : (i) This question paper comprises 15 questions. All questions are compulsory. (ii) This question paper is divided into three sections A, B and C. (iii) Section A Questions No. 1 to 7 are short answer type questions. Each question carries 2 marks. (iv) Section B Questions No. 8 to 13 are also short answer type questions. Each question carries 3 marks. (v) Section C Questions No. 14 and 15 are case-based questions. Each question carries 4 marks. (vi) Internal choices have been provided in some questions. Only one of the alternatives has to be attempted. SECTION A 1. (a) Kulhads (disposable cups made of clay) and disposable paper cups both are used as an alternative for disposable plastic cups. Which one of these two can be considered as a better alternative to plastic cups and why ? 2 OR (b) Human beings are most adversely affected by the Biological Magnification. State the reason. Why can ordinary washing of the edibles (fruits and vegetables) not reduce the effect of biological magnification ? 2 2. Draw the electron dot structure of the following : 2 (a) Cyclohexane (b) Butane 31/3/1 4 3. _oÝS>obr\$ Ûmam AnZr AmdV© gmaUr V¡`ma H$aZo H$s{OE & _oÊS>obr\$ H$s AmdV© gmaUr Am¡a AmYw{ZH$ AmdV© gmaUr _| VÎdm| Ho$ g_ñWm{ZH$m| H$s pñW{V H$s VwbZm H$s{OE & 2 4. (H$) AZw_Vm§H$ 1100 W H$m H$moB© {dÚwV² VmnH$ 220 V na àMm{bV {H$`m J`m h¡ & n[aH${bV H$s{OE (i) VmnH$ H$m à{VamoY, VWm (ii) VmnH$ Ûmam br JB© {dÚwV² Ymam & 2 AWdm (I) ZrMo {XE JE {dÚwV² n[anW H$m Vwë`$ à{VamoY n[aH${bV H$s{OE : 2 5. _mZd OZg§»`m Ho$ gmBµO H$mo {Z`§{ÌV H$aZo H$s H$moB© Xmo J^©{ZamoYr {d{Y`m± gwPmBE Am¡a CZH$s ì`m»`m H$s{OE & 2 6. (H$) _|S>b Zo ñWyb ê$n go {XImB© XoZo dmbo Xmo {dn`m©gr ({dH$ënr) bjUm| dmbo _Q>a Ho$ nm¡Ym| Ho$ ~rM g§H$aU H$amZo na `h nm`m {H$ F 1 g§V{V _| àmßV nm¡Ym| _| H$moB© ^r ~rMm|-~rM ({_{lV) bjUm| dmbm nm¡Ym Zht h¡ & _|S>b Ho$ Bg àojU Ho$ H$maU H$s ì`m»`m H$s{OE & 2 AWdm (I) Bg H$WZ H$s nw{ï> H$s{OE {H$ {eew H$m qbJ {ZYm©aU Bg VÏ` na AmYm[aV h¡ {H$ & 2 Page 5 31/3/1 1 P.T.O. narjmWu àíZ-nÌ H$moS> >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð >na Adí` {bIo§ & Candidates must write the Q.P. Code on the title page of the answer-book. Series QQBRR/3 àíZ-nÌ H$moS> Q.P. Code amob Z§. Roll No. {dkmZ SCIENCE : 2 : 40 Time allowed : 2 hours Maximum Marks : 40 H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 15 h¢ & àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE àíZ-nÌ H$moS> H$mo narjmWu CÎma-nwpñVH$m Ho$ _wI-n¥ð> na {bI| & H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >15 àíZ h¢ & H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$ Adí` {bI| & Bg àíZ-nÌ 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ- _| 10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-n Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo & Please check that this question paper contains 15 printed pages. Q.P. Code given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate. Please check that this question paper contains 15 questions. Please write down the serial number of the question in the answer-book before attempting it. 15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period. 31/3/1 SET-1 31/3/1 2 : : (i) 15 (ii) (iii) 1 7 2 (iv) 8 13 3 (v) 14 15 4 (vi) IÊS> H$ 1. (H$) {S>ñnmoOo m| ({_Å>r Ho$ nmÌ) Am¡a {S>ñnmoOo~b H$mJµO Ho$ H$nm| XmoZm| H$m Cn`moJ ßbmpñQ>H$ Ho$ {S>ñnmoOo~b H$nm| Ho$ {dH$ën Ho$ ê$n _| {H$`m Om ahm h¡ & BZ XmoZm| _| go {H$go ßbmpñQ>H$ Ho$ H$nm| Ho$ ~ohVa {dH$ën Ho$ ê$n _| _mZm Om gH$Vm h¡ ? 2 AWdm (I) {b{IE & ImÚ nXmWm] (\$bm| Am¡a gpãµO`m|) H$s gm_mÝ` YwbmB© go O¡d AmdY©Z Ho$ Vm h¡ ? 2 2. °Z-q~Xþ g§aMZm It{ME : 2 (H$) (I) ã`yQ>oZ 31/3/1 3 P.T.O. General Instructions : Read the following instructions very carefully and strictly follow them : (i) This question paper comprises 15 questions. All questions are compulsory. (ii) This question paper is divided into three sections A, B and C. (iii) Section A Questions No. 1 to 7 are short answer type questions. Each question carries 2 marks. (iv) Section B Questions No. 8 to 13 are also short answer type questions. Each question carries 3 marks. (v) Section C Questions No. 14 and 15 are case-based questions. Each question carries 4 marks. (vi) Internal choices have been provided in some questions. Only one of the alternatives has to be attempted. SECTION A 1. (a) Kulhads (disposable cups made of clay) and disposable paper cups both are used as an alternative for disposable plastic cups. Which one of these two can be considered as a better alternative to plastic cups and why ? 2 OR (b) Human beings are most adversely affected by the Biological Magnification. State the reason. Why can ordinary washing of the edibles (fruits and vegetables) not reduce the effect of biological magnification ? 2 2. Draw the electron dot structure of the following : 2 (a) Cyclohexane (b) Butane 31/3/1 4 3. _oÝS>obr\$ Ûmam AnZr AmdV© gmaUr V¡`ma H$aZo H$s{OE & _oÊS>obr\$ H$s AmdV© gmaUr Am¡a AmYw{ZH$ AmdV© gmaUr _| VÎdm| Ho$ g_ñWm{ZH$m| H$s pñW{V H$s VwbZm H$s{OE & 2 4. (H$) AZw_Vm§H$ 1100 W H$m H$moB© {dÚwV² VmnH$ 220 V na àMm{bV {H$`m J`m h¡ & n[aH${bV H$s{OE (i) VmnH$ H$m à{VamoY, VWm (ii) VmnH$ Ûmam br JB© {dÚwV² Ymam & 2 AWdm (I) ZrMo {XE JE {dÚwV² n[anW H$m Vwë`$ à{VamoY n[aH${bV H$s{OE : 2 5. _mZd OZg§»`m Ho$ gmBµO H$mo {Z`§{ÌV H$aZo H$s H$moB© Xmo J^©{ZamoYr {d{Y`m± gwPmBE Am¡a CZH$s ì`m»`m H$s{OE & 2 6. (H$) _|S>b Zo ñWyb ê$n go {XImB© XoZo dmbo Xmo {dn`m©gr ({dH$ënr) bjUm| dmbo _Q>a Ho$ nm¡Ym| Ho$ ~rM g§H$aU H$amZo na `h nm`m {H$ F 1 g§V{V _| àmßV nm¡Ym| _| H$moB© ^r ~rMm|-~rM ({_{lV) bjUm| dmbm nm¡Ym Zht h¡ & _|S>b Ho$ Bg àojU Ho$ H$maU H$s ì`m»`m H$s{OE & 2 AWdm (I) Bg H$WZ H$s nw{ï> H$s{OE {H$ {eew H$m qbJ {ZYm©aU Bg VÏ` na AmYm[aV h¡ {H$ & 2 31/3/1 5 P.T.O. 3. State the criteria used by Mendeleev for creating his Periodic Table. Table and in the Modern Periodic Table. 2 4. (a) An electric heater rated 1100 W operates at 220 V. Calculate (i) its resistance, and (ii) the current drawn by it. 2 OR (b) Calculate the equivalent resistance of the following electric circuit : 2 5. Suggest any two contraceptive methods to control the size of human population and explain them. 2 6. (a) Mendel crossed two pea plants with visible contrasting characteristics and found that there were no half-way characteristics in the plants of F 1 progeny. Explain the reason for this observation of Mendel. 2 OR (b) what they inherit from 2Read More
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