Class 10 Science: Question Paper for 2022 (Term 2) | Science Class 10 PDF Download

 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  2