Karnataka SSLC Question Paper 2021 Science for Telugu Medium

CÈÉí¨Ü PÜñܤÄÔ
Question Booklet Serial No. : 16-

®æãàí¨Ü~ ÓÜíTæ :
Register Number :

±Ü£ÅPæ - 01 / Paper – 01
GÓ….GÓ….GÇ….Ô. ÊÜááS ±ÜÄàûæ – 2021
SSLC MAIN EXAMINATION – 2021
+ +
Subjects : MATHEMATICS + SCIENCE + SOCIAL SCIENCE
ñæÆáWÜá ÊÜáñÜᤠCíXÉÐ… ÊÜÞ«ÜÂÊÜá / Telugu and English Medium

TEAR HERE TO OPEN THE QUESTION BOOKLET
CCE-RF / CCE-RR / CCE-PF / CCE-PR / NSR / NSPR
: 10-30 1-30 ] [ Time : 10-30 A.M. to 1-30 P.M.
: 40 + 40 + 40 = 120 ] [ Total No. of Questions : 40 + 40 + 40 = 120
: 40 + 40 + 40 = 120 ] [ Max. Marks : 40 + 40 + 40 = 120
83-L/E — /SCIENCE
ѧéÅÆæÿ$¦ËMæü$ çÜ*^èþ¯@þË$ / Instructions to the Students :
1. Ò$Mæü$ CÐ@þÓºyìþ¯@þ àÌŒýsìýMðür$tÌZ° 11 A…MðüË ÇhçÜtÆæÿ$ ¯@þ…ºÆæÿ$¯@þ$ {ç³Ô¶ý²ç³#çÜ¢Mæü…ÌZ çܵçÙt…V>
Æ>Ķý$…yìþ. D õ³hÌZ C_a¯@þ Mæü$yìþOÐðþç³# Ð@þÊËV> ÇhçÜtÆŠÿ ¯@þ…ºÆŠÿ¯@þ$ {ÐéĶý$Ð@þÌñý¯@þ$.
Write your eleven digit Register Number on the Question Booklet as
allotted in the admission ticket in the space provided at the top right
corner of this front page.
2. {ç³Ô¶ý²ç³#çÜ¢Mæü…
{ç³Ô¶ý²ç³#çÜ¢Mæü… {ç³Ô¶ý²ç³#çÜ¢Mæü…

This Question Booklet has been sealed by reverse jacket. You have to cut
on the right side to open the Question Booklet at the time of
commencement of the examination. Check whether all the pages of the
Question Booklet are intact.
3. ÑçÙĶý*¯@þ$ÝëÆæÿ…V> OMR ç³{™é˯@þ$ {ç³™óþÅMæü…V> CÐ@þÓºyæþ$¯@þ$.
OMR Sheet will be provided subject-wise separately.
4. D {ç³Ô¶ý²ç³#çÜ¢Mæü… Ð@þÊyæþ$ MøÆŠÿ ÑçÙĶý*˯@þ$ MæüÍWĶý¬…yìþ, {糆 ÑçÙĶý*°Mìü {ç³™óþÅMæü…V>
{ç³Ô¶ý²ç³#çÜ¢Mæü… MæüÍWÐ@þ#…¨.
This set of Question Booklets consists of three core subjects and each
Tear here

subject has separate Question Booklet.

1603 1 of 24

5. {糆 ÑçÙĶý*°Mìü 40 {ç³Ô¶ý²Ë^ö糚¯@þ D {ç³Ô¶ý²ç³#çÜ¢Mæü… Ððþ¬™èþ¢… 120 {ç³Ô¶ý²Ë$ MæüÍWÐ@þ#…¨.
(i) Væü×ìý™èþ… & {ç³Ô¶ý²çÜ…QÅ 1 ¯@þ$…yìþ 40 Ð@þÆæÿMæü$
(ii) Ñgêq¯@þÐ@þ¬ & {ç³Ô¶ý²çÜ…QÅ 41 ¯@þ$…yìþ 80 Ð@þÆæÿMæü$
(iii) çÜÐ@þ*f Ñgêq¯@þ… & {ç³Ô¶ý²çÜ…QÅ 81 ¯@þ$…yìþ 120 Ð@þÆæÿMæü$
40 questions are provided against each subject. This set of Question
Booklets contains 120 questions in all.
(i) Mathematics – Question Numbers 1 to 40
(ii) Science – Question Numbers 41 to 80
(iii) Social Science – Question Numbers 81 to 120

6. A°² {ç³Ô¶ý²ËMæü$ ™èþç³µ° çÜÇV> çÜÐ@þ*«§é¯éË$ Æ>Ķý$…yìþ. {糆 {ç³Ô¶ý²Mæü$ JMæü Ð@þ*Ææÿ$P CÐ@þÓºyæþ$¯@þ$.
¯ðþVðüsìýÐŒþ Ð@þ*Ææÿ$PË$ CÐ@þÓºyæþÐ@þ#. {糆 çÜÇOÄñý$¯@þ çÜÐ@þ*«§é¯é°Mìü JMæü Ð@þ*Ææÿ$P CÐ@þÓºyæþ$¯@þ$.
Each question carries one mark. Answering all the questions is
compulsory and each correct answer will be awarded one mark. There will
be no negative marking for wrong answers.

7. ç³È„æü fÆæÿ$Væü$ çÜÐ@þ$Ķý$…ÌZ,
G {ç³Ô¶ý²¯@þ$ gê¶Væü™èþ¢V> ^èþ§æþÐéÍ.
¼ OMR ç³{™èþ…ÌZ {糆 {ç³Ô¶ý²Mæü$ çÜÇOÄñý$¯@þ çÜÐ@þ*«§é¯é°² Væü$Ç¢…^èþ$rMæü$ ¯éË$Væü$ Ð@þ –™é¢Ë$
CÐ@þÓºyìþ¯@þÑ. ѧéÅÆæÿ$¦Ë$ çÜÇOÄñý$¯@þ çÜÐ@þ*«§é¯@þÐ@þ¬¯@þ$ ±Í / ¯@þË$ç³# »êÌŒý ´ëÆÿ¬…sŒý
ò³¯@þ$²™ø HO§ðþ¯@þ JMæü Ð@þ–™é¢°² Ð@þ*{™èþÐóþ$ õÙyŠþ ^ðþĶý*ÅÍ. õÙyìþ…VŠü çÜ…ç³NÆæÿ~…V> E…yéÍ. JMæü
ÝëÇ õÙyŠþ ^óþíܯ@þ ™èþÆæÿ$Ðé™èþ §é°° Ð@þ*ÆæÿaMæü*yæþ§æþ$. ¨§æþªMæü*yæþ§æþ$. OMR ç³{™èþ… Ò$§æþ
GÌê…sìý X™èþË$ E…yæþÆ>§æþ$.
E§éçßýÆæÿ×ýMæü$ {ç³Ô¶ý²ç³#çÜ¢Mæü…ÌZ 20 Ð@þ {ç³Ô¶ý²Mæü$ C çÜÇOÄñý$¯@þ çÜÐ@þ*«§é¯@þ… BÆÿ¬¯@þç³#yæþ$
OMR fÐéº$ ç³{™èþ…ÌZ ¶Mìü…§æþ ^èþ*糺yìþ¯@þ Ñ«§æþ…V> ±Í / ¯@þË$ç³# »êÌŒý´ëÆÿ¬…sŒý
ò³¯Œþ™ø õÙyŠþ ^ðþĶý$Å…yìþ.
{ç³Ô¶ý²çÜ…QÅ 20) A B C D (C¨ E§éçßýÆæÿ×ý Ð@þ*{™èþÐóþ$)

Ô OMR ç³{™èþ…¯@þ$ Ð@þ$yæþ™èþ ò³rtÐ@þ§æþ$ª. JMæüÐóþâ¶ý Ð@þ$yæþ™èþ ò³sìýt¯é, ´ëyæþ$^óþíܯé A¨ ç³NÇ¢V>
ѧéÅÆæÿ$¦Ë »ê«§æþÅ™èþ.
1603 2 of 24

During the examination,

a) Read the questions carefully.

b) Completely darken / shade the relevant circle against Question

Number in the OMR Sheet using blue / black ball point pen. Do not

try to alter the entry and not to do any stray marks on OMR Sheet.

Example : In the question booklet, if C is the correct answer for

Question No. 20, then in the OMR Sheet shade the option C using

blue / black ball point pen as follows.

Question No. 20) A B C D ( This is an example only )

c) Do not fold, tear, wrinkle or staple on the OMR Sheet.

8. JMæü {ç³Ô¶ý²Mæü$ JMæüsìý Mæü…sôý GMæü$PÐ@þ Ð@þ–™é¢Ë¯@þ$ õÙyŠþ ^óþÜí ¯@þrÏÆÿ¬™óþ §é°° ™èþ糚V> ¿êÑ…_,
Ð@þ*Ææÿ$PË$ CÐ@þÓºyæþÐ@þ#.

If more than one circle is shaded for a given question, such answer is

treated as wrong and no marks will be given.

9. ѧéÅǦ Ð@þ$ÇĶý¬ Væü¨Oò³ A«¨M>Ç C§æþªÆæÿ* OMR ç³{†MæüÌZ CÐ@þÓºyìþ¯@þ çܦ˅ÌZ çÜ…™èþMæü…
^ðþĶý*ÅÍ.

Student and Room Invigilator should sign in the OMR Sheet in the space

provided.

1603 3 of 24

10. ѧéÅÆæÿ$¦Ë$ OMR fÐéº$ ç³{™èþ… Væü¨ Oò³ A«¨M>ÇMìü C_a¯@þ ™èþÆæÿ$Ðé™èþ Ð@þ*{™èþÐóþ$ Væü¨¯@þ$…yìþ
ºÄ¶ý$rMæü$ Ððþâ¶ýåÐ@þÌñý¯@þ$.
Candidate should return the subject-wise answered OMR Sheet to the

Room Invigilator before leaving the examination hall.

11. {ç³Ô¶ý²ç³#çÜ¢Mæü…ÌZ _Ð@þÇ õ³hÌZ _™èþ$¢ç³° ^ðþĶý$ÅÐ@þÌñý¯@þ$.

Rough work can be done in the space provided at the end of the Question

Booklet.

12. M>Ë$PÌôýrÆæÿ$Ï, Ððþ¬O»ñýÌŒý ¸ù¯@þ$Ï, ÝëÃÆŠÿt Ðé^Œþ Ð@þ$ÇĶý¬ C™èþÆæÿ GË[M>t°MŠü ç³ÇMæüÆ>Ë$ ç³È„> àË$Mæü$
A¯@þ$Ð@þ$†…^èþºyæþÐ@þ#.

Calculators, Mobiles, Smart Watches and any other electronic equipment
are not allowed inside the examination hall.

1603 4 of 24

Subject : SCIENCE
“Mìü…§æþ CÐ@þÓºyìþ¯@þ {糆 {ç³Ô¶ý²Mæü$ ÌôýMæü AçÜ…ç³NÆæÿ~ ÐéMæüÅÐ@þ¬¯@þMæü$ ¯éË$Væü$ {ç³™éÅÐ@þ*²Ä¶ý*Ë$
CÐ@þÓºyézÆÿ¬. ÐésìýÌZ çÜÇOÄñý$¯@þ çÜÐ@þ*«§é¯@þÐ@þ¬¯@þ$ G¯@þ$²Mö° Ò$Mæü$ CÐ@þÓºyìþ¯@þ OMR E™èþ¢Ææÿ
ç³{†MæüÌZ ±Í / ¯@þË$ç³# »êÌŒý ´ëÄñý$…sŒý ò³¯Œþ™ø çÜÇOÄñý$¯@þ çÜÐ@þ*«§é¯@þÐ@þ¬¯@þMæü$ béĶý$ ^óþĶý$…yìþ
40 × 1 = 40
Four choices are given for each of the following questions / incomplete
statements. Choose the correct answer among them and shade the correct
option in the OMR Answer Sheet given to you with a black / blue ball point
pen. 40 × 1 = 40
41. ѧæþ$ŧæþĶý$ÝëP…™èþ {õ³Ææÿ×ý {ç³Ð@þ*×ý… Ò$§æþ B«§éÆæÿç³yìþ ³ç °^óþĶý¬ ç³ÇMæüÆæÿÐ@þ¬
(A) ѧæþ$Å™Œþ f¯@þÆóÿrÆæÿ$ (B) ѧæþ$Å™Œþ ïßýrÆæÿ$

(C) ѧæþ$Å™Œþ Ððþ*sêÆæÿ$ (D) ѧæþ$Å™Œþ ¸ëů@þ$

The device that works on the principle of electromagnetic induction is
(A) electric generator (B) electric heater
(C) electric motor (D) electric fan
42. 30  °Æø«§æþÐ@þ¬ MæüÍW¯@þ JMæü ѧæþ$Å™Œþ ºË$¾ Ð@þ$ÇĶý¬ 6  °Æø«§æþÐ@þ¬ MæüÍW¯@þ ÐéçßýMæüÐ@þ¬¯@þ$
¶Ôóý×ìýÌZ 9V Ë »êÅrÈMìü _{™èþ…ÌZ ^èþ*í³¯@þ Ñ«§æþ…V> A¯@þ$çÜ…«§é¯@þ… ^óþĶý$ºyìþ¯@þÑ Ð@þËĶý$…ÌZ
{ç³Ð@þíßý…^óþ Ððþ¬™èþ¢… ѧæþ$Å™Œþ {ç³Ðéçßý…

(A) 4A (B) 36 A
(C) 0.25 A (D) 0.6 A

1603 5 of 24

An electric lamp whose resistance is 30  and a conductor of 6 
resistance are connected in series to 9 V battery as shown in the figure.

The total current flowing in the circuit is

(A) 4A (B) 36 A

(C) 0.25 A (D) 0.6 A
43. ÝùÌêÆŠÿ Mæü$MæüPÆæÿ$ ÌZç³Í ¿êV>ËMæü$ ¯@þË$ç³# Ææÿ…Væü$ ç³N™èþ ÐóþĶý¬rMæü$ M>Ææÿ×ý…. C¨
(A) M>…†° ³ç Æ>Ð@þÆæÿ¢¯@þ… ^ðþ…¨çÜ$¢…¨ (B) çÜ*ÆæÿÅMìüÆæÿ×ê˯@þ$ Móü…{©MæüÇçÜ$¢…¨
(C) {™èþ$糚 ç³r$tr¯@þ$ °ÐéÇçÜ$¢…¨ (D) A«¨Mæü EÚë~°² ¶VæüíßýçÜ$¢…¨

The inner wall of the solar cooker is painted black because this

(A) reflects light (B) converges solar radiations

(C) prevents from rusting (D) absorbs more heat
44. ѧæþ$Å™Œþ ºË$¾ËÌZ íœËÐðþ$…rË ™èþĶý*ÇMìü Eç³Äñý*W…^óþ ÌZçßý…
(A) Ð@þ*Å…Væü±çÜ$ (B) r…VæüçÜt¯Œþ
(C) °MðüÌŒý (D) ¶MøÑ$Ķý$…

The metal used in the filament of an electric bulb is

(A) manganese (B) tungsten

(C) nickel (D) chromium

1603 6 of 24

45. Æ>W Äñý¬MæüP «©Ææÿƒ ^èþ™èþ$Ææÿ{ÝëM>ÆæÿÐ@þ# ^èþ$rt¯@þ$ AĶý$ÝëP…™èþ „óü{™èþ…ÌZ {†í³µ¯@þç³#yæþ$ {õ³Ç™èþ ѧæþ$Å™Œþ
{ç³Ðéçßýç³# ¨Mæü$P {糆ÝëÇ D Ñ«§æþ…V> Ð@þ*Ææÿ$™èþ$…¨
(A) Æðÿ…yæþ$ ^èþ$rÏMöMæüÝëÇ (B) JMæü ^èþ$r$tMæü$ JMæüÝëÇ
(C) çÜVæü… ^èþ$r$tMæü$ JMæüÝëÇ (D) ¯éÍY…r JMæü ^èþ$r$tMæü$ JMæüÝëÇ
A rectangular coil of copper wire is rotated in a magnetic field. The
direction of the induced current changes once in each

(A) two revolutions (B) one revolution
(C) half revolution (D) one-fourth revolution
46. JMæü MæürMæü… Äñý¬MæüP ¯é¿êÅ…™èþÆæÿ… + 0·50 m AÆÿ¬¯@þç³#yæþ$ MæürMæü… Äñý¬MæüP ÝëÐ@þ$Ææÿ¦ÅÐ@þ¬
Ð@þ$ÇĶý¬ ÆæÿMæüÐ@þ¬
(A) + 2·0 D Ð@þ$ÇĶý¬ Mæü$…¿êM>Ææÿ MæürMæü…

(B) + 2·0 D Ð@þ$ÇĶý¬ ç³#sêM>Ææÿ MæürMæü…

(C) – 2·0 D Ð@þ$ÇĶý¬ ç³#sêM>Ææÿ MæürMæü…
(D) – 2·0 D Ð@þ$ÇĶý¬ Mæü$…¿êM>Ææÿ MæürMæü…
The focal length of a lens is + 0.50 m. The power of the lens and type are
(A) + 2.0 D and convex lens
(B) + 2.0 D and concave lens
(C) – 2.0 D and concave lens
(D) – 2.0 D and convex lens
47. ѧæþ$Å™Œþ Ð@þËĶý$…ÌZ °Æø«§æþÐ@þ¬¯@þ$ Ð@þ*Ææÿ$arMæü$ Eç³Äñý*W…^èþ$ Ý뫧æþ¯@þÐ@þ¬
(A) KÌŒýt Ò$rÆæÿ$ (B) BÒ$ÃrÆæÿ$

(C) V>ËÓ¯øÒ$rÆæÿ$ (D) ÇÄñý*ÝëtsŒý
A device used to change the resistance in the electric circuit is
(A) voltmeter (B) ammeter
(C) galvanometer (D) rheostat

1603 7 of 24

48. JMæü ÝëͯéÆÿ¬yŠþ Äñý¬MæüP ÌZç³Í ¿êVæü…ÌZ AĶý$ÝëP…™èþ ºËÆóÿQË$, çÜÐ@þ*…™èþÆæÿ çÜÆæÿâ¶ý ÆóÿQË Ð@þÌñý
E…sêÆÿ¬. M>Ææÿ×ý… Ý÷ͯéÆÿ¬yŠþ ÌZç³Í ¿êVæü…ÌZ AĶý$ÝëP…™èþ „óü{™èþ…
(A) A™èþÅ…™èþ A«¨Mæü…V> E…r$…¨
(B) HMæüÆæÿ*ç³…V> E…r$…¨
(C) çÜ$¯@þ² (0) AÆÿ¬ E…r$…¨
(D) ѧæþ$Å™Œþ {ç³Ðéçßý… Ð@þ˯@þ HÆæÿµyìþ E…r$…¨
The magnetic field lines inside a solenoid are in the form of parallel
straight lines. The reason for this is, the magnetic field inside the solenoid
is
(A) very high
(B) uniform
(C) zero

(D) produced by electric current
49. JMæü Ð@þçÜ$¢Ð@þ#¯@þ$ Mæü$…¿êM>Ææÿ MæürMæü… {糫§é¯@þ¯éÀ F 1 Ð@þ$ÇĶý¬ §æþ–MŠüMóü…{§æþÐ@þ¬ O Ë Ð@þ$«§æþÅ
E…_¯@þç³#yæþ$ HÆæÿµyóþ {糆¼…ºÐ@þ¬ Äñý¬MæüP çÜÓ¿êÐ@þÐ@þ¬ Ð@þ$ÇĶý¬ ç³ÇÐ@þ*×ýÐ@þ¬
(A) Ñ$£æþÅ, °sêÆæÿ$ Ð@þ$ÇĶý¬ ò³§æþª¨
(B) °f, ™èþ˶Mìü…§æþ$Ë$ Ð@þ$ÇĶý¬ _¯@þ²¨
(C) Ñ$£æþÅ, ™èþ˶Mìü…§æþ$Ë$ Ð@þ$ÇĶý¬ _¯@þ²¨
(D) °f, ™èþ˶Mìü…§æþ$Ë$ Ð@þ$ÇĶý¬ ò³§æþª¨
The nature and the size of the image formed when an object is kept
between the principal focus F1 and optical centre O of a convex lens are

(A) virtual, erect and enlarged
(B) real, inverted and small size
(C) virtual, inverted and small size

(D) real, inverted and enlarged

1603 8 of 24

50. ѧæþ$Å™ŒþÔ¶ýMìü¢° Ķý*…{†Mæü Ô¶ýMìü¢V> Ð@þ*Æóÿa ³ç ÇMæüÆæÿÐ@þ¬
(A) ѧæþ$Å™Œþ f¯@þÆóÿrÆæÿ$ (B) ÝûÆæÿ çœ$rÐ@þ¬
(C) »êÅrÇ (D) ѧæþ$Å™Œþ Ððþ*sêÆæÿ$
The device that converts electrical energy into mechanical energy is

(A) electric generator (B) solar cell

(C) dry cell (D) electric motor
51. "KÐŒþ$' A¯@þ$¯@þ¨ ©°Äñý¬MæüP SI {ç³Ð@þ*×ý…
(A) ѧæþ$Å™Œþ ´÷sñý°ÛĶý$ÌŒý ¿ôý«§æþÐ@þ¬ (B) °Æø«§æþÐ@þ¬
(C) ѧæþ$Å™Œþ {ç³ÐéçßýÐ@þ¬ (D) ѧæþ$ŧéÐóþÔ¶ýÐ@þ¬

„Ohm‟ is the SI unit of

(A) electric potential difference (B) resistance

(C) electric current (D) electric charge
52. ¶Mìü…¨ ç³sìýtMæü¯@þ$ VæüÐ@þ$°…^èþ…yìþ.
糧éÆæÿ¦ Ð@þ*«§æþÅÐ@þ$… Ð@þ“Mîü¿¶ýÐ@þ¯@þ Væü$×ê…MæüÐ@þ¬

P 1·52

Q 1·44

R 2·42

S 1·33

H 糧éÆæÿ¦ Ð@þ*«§þæ ÅÐ@þ$…ÌZ M>…† ÐóþVæü… A™èþÅ…™èþ GMæü$PÐ@þV> E…r$…¨ ?
(A) Q (B) P
(C) S (D) R

1603 9 of 24

Observe the following table :

Material medium Refractive index

P 1.52

Q 1.44

R 2.42

S 1.33

In which material medium the speed of light is very high ?

(A) Q (B) P

(C) S (D) R

53. Móü…{§æþMæü (A×ý$) ѧæþ$Å™Œþ E™éµ§æþ¯éM>ÇÌZ, Ô¶ýMìü¢Äñý¬MæüP Ð@þÊË…
(A) Móü…{§æþMæü Ñ_e†¢ ^èþÆæÿÅ
(B) °Ä¶ý$…{†™èþ Ñ_e†¢O^ðþ¯Œþ ÇĶý*„æü¯Œþ (VöË$çÜ$^èþÆæÿÅ)
(C) EçÙ~ Ððþ*^èþMæü ^èþÆæÿÅ
(D) Móü…{§æþMæü çÜ…Mæü˯@þ ^èþÆæÿÅ

The source of energy in nuclear power reactor is

(A) nuclear fission reaction

(B) controlled nuclear fission chain reaction

(C) exothermic reaction

(D) nuclear fusion reaction

1603 10 of 24

54. D ¶Mìü…¨ ÐésìýÌZ Mæü$…¿êM>Ææÿ MæürMæü… Äñý¬MæüP JMæü Ë„æü×ý…
(A) M>…† MìüÆæÿ×ê˯@þ$ ÑMóü…{©MæüÇçÜ$¢…¨

(B) A…^èþ$ËÐ@þ§æþª Ð@þ$…§æþ…V> E…yìþ, Ð@þ$«§æþÅ¿êVæü…ÌZ ç³Ë$^èþV> E…r$…¨

(C) °f Ð@þ$ÇĶý¬ °sêÆæÿ$ {糆¼…ºÐ@þ¬¯@þ$ HÆæÿµÆæÿçÜ$¢…¨

(D) A…^èþ$ËÐ@þ§æþª ç³Ë$^èþV> E…yìþ, Ð@þ$«§æþÅ¿êVæü…ÌZ Ð@þ$…§æþ…V> E…r$…¨

One property of a convex lens among the following is that, it
(A) diverges the light rays
(B) is thicker at the edges and thinner at the middle
(C) forms real and erect image
(D) is thinner at the edges and thicker at the middle

55. BÐ@þ*ÏË$ Ð@þ$ÇĶý¬ „>Æ>Ë™ø ^èþÆæÿÅfÇí³¯@þç³#yæþ$ ËÐ@þ×êË$ Ð@þ$ÇĶý¬ ±sìý° HÆæÿµÆæÿ^óþ
çÜÐóþ$Ãâ¶ý¯@þÐ@þ¬
(A) AË*ÅÑ$°Ä¶ý$… BMðü•Þyæþ$
(B) M>ç³ÆŠÿ BMðü•Þyæþ$

(C) IÆæÿ¯Œþ BMðü•Þyæþ$
(D) ÝùyìþĶý$… BMðü•Þyæþ$

A compound that reacts with both acids as well as bases to produce salts

and water is

(A) aluminium oxide

(B) copper oxide

(C) iron oxide

(D) sodium oxide

1603 11 of 24

56. {´÷糯éÅÌŒý Äñý¬MæüP °Æ>Ã×ý Üç *{™èþ…

(A) (B)

(C) (D)

The structural formula of propanal is

(A) (B)

(C) (D)

57. ""Ð@þÊËM>Ë Ë„æü×êË$ Ðésìý ç³ÆæÿÐ@þ*×ý$çÜ…QÅ Äñý¬MæüP BÐ@þÆæÿ¢±Ä¶ý$ {ç³Ðóþ$Ķý*Ë$'' A¯@þ$
°Ä¶ý$Ð@þ*°² {糆´ë¨…_¯@þÐéÆæÿ$
(A) ¯@þ*ÅÌê…yŠþ (B) Ððþ$…yæþÎÐŒþ
(C) yøºÈ¯@þÆæÿ$ (D) òßý{° Ððþ*õÜÏ
“Properties of elements are a periodic function of their atomic number.”
This law was proposed by

(A) Newlands (B) Mendeleev

(C) Dobereiner (D) Henry Moseley

1603 12 of 24

58. D ¶Mìü…¨ ÆæÿÝëĶý$°Mæü ^èþÆæÿů@þ$ VæüÐ@þ$°…^èþ…yìþ.
Fe + CuSO 4  FeSO 4 + Cu

Zn + FeSO 4  ZnSO 4 + Fe

Oò³ ^èþÆæÿÅËÌZ VæüË ÌZçßýË ^èþÆ>ÅÖË™èþ Äñý¬MæüP AÐ@þÆøçßý×ý ¶MæüÐ@þ$…

(A) Zn > Fe > Cu (B) Fe > Cu > Zn

(C) Zn > Cu > Fe (D) Cu > Fe > Zn

Observe the following chemical reactions :

Fe + CuSO 4  FeSO 4 + Cu

Zn + FeSO 4  ZnSO 4 + Fe

The decreasing order of reactivity of the metals in the above reactions is

(A) Zn > Fe > Cu (B) Fe > Cu > Zn

(C) Zn > Cu > Fe (D) Cu > Fe > Zn

59. JMæü Ð@þÊËMæü… Äñý¬MæüP ç³ÆæÿÐ@þ*×ý$çÜ…QÅ 20 AÆÿ¬¯@þç³#yæþ$ B«§æþ$°Mæü BÐ@þÆæÿ¢¯þ@ ç³sìýtMæüÌZ §é°
Äñý¬MæüP ï³ÇĶý$yŠþ çÜ…QÅ
(A) 2 (B) 8

(C) 4 (D) 3

The atomic number of an element is 20. In the modern periodic table, this

element belongs to the period

(A) 2 (B) 8

(C) 4 (D) 3

1603 13 of 24

60. JMæü »ñý…i¯Œþ A×ý$ °Æ>Ã×ý…ÌZ HMæüº…«§æþ… Ð@þ$ÇĶý¬ ¨Óº…«§éË çÜ…QÅ Ð@þÆæÿ$çÜV>
(A) 3 Ð@þ$ÇĶý¬ 9 (B) 9 Ð@þ$ÇĶý¬ 3

(C) 6 Ð@þ$ÇĶý¬ 6 (D) 7 Ð@þ$ÇĶý¬ 5

The numbers of single bonds and double bonds present in a structure of

benzene molecule respectively are

(A) 3 and 9 (B) 9 and 3

(C) 6 and 6 (D) 7 and 5

61. ÝùyìþĶý$… M>Æ>¾¯óþr$, çÜfË Oòßý{yøMøÏÇMŠü BÐ@þ$Ï…™ø çÜ…Äñý*Væü… ^ðþ…¨¯@þç³#yæþ$ Ñyæþ$§æþËÄôý$Å
ÐéĶý¬Ð@þ#
(A) M>Ææÿ¾¯Œþ&Oyðþ&BMðü•Þyæþ$ (B) O¯ðþ{sZf¯Œþ&Oyðþ&BMðü•Þyæþ$
(C) Oòßý{yøf¯@þ$ (D) MøÏǯŒþ

The gas liberated when sodium carbonate reacts with dilute hydrochloric

acid is

(A) carbon dioxide (B) nitrogen dioxide

(C) hydrogen (D) chlorine

62. çÜ…ï³yæþ¯@þ çÜçßýf ÐéĶý¬Ð@þ# ( CNG ) ÌZ VæüË {糫§é¯@þ A…Ô¶ý…
(A) º$Åsôý¯Œþ (B) D£óþ¯Œþ
(C) Ò$£óþ¯Œþ (D) {´ùõ³¯Œþ

The major component of compressed natural gas is

(A) butane (B) ethane

(C) methane (D) propane

1603 14 of 24

63. ±Í ÍrËܯ@þ$ G¶Ææÿ ÍrËÜV> Ð@þ*Æóÿa 糧éÆæÿ¦…
(A) çÜ$¯@þ²ç³# ™óþr (B) Ô¶ý$§æþ®OÐðþ$¯@þ ±Ææÿ$

(C) ÝùyìþĶý$… Oòßý{yéMðü•Þyæþ$ {§éÐ@þ×ý… (D) fuæÿÆæÿ ÆæÿçÜ…

The substance that converts blue litmus paper into red colour is

(A) lime water (B) pure water

(C) sodium hydroxide solution (D) gastric juice

64. ÌZçßýç³# çÜOÌñý¹yæþ$ Ð@þ¬yìþQ°gê˯@þ$ ÐésìýÄñý¬MæüP BMðüÞ• yæþ$Ë$V> Ð@þ*Ææÿ$arMæü$ Eç³Äñý*W…^èþ$
Ñ«§é¯@þ…
(A) ¿¶ýïÜÃMæüÆæÿ×ý… (B) ¿¶ýÆæÿj¯@þ… ÆøíÜt…VŠü
(C) „æüĶý$MæüÆæÿ×ý… (D) ѧæþ$Å™Œþ ÑÔóýÏçÙ×ý GË[MøtÍíÜ‹Ü

The process used to convert sulphide ores of metals into their oxides is

(A) calcination (B) roasting

(C) reduction (D) electrolysis

65. òßýMîüÞ¯Œþ Ð@þ$ÇĶý¬ OòÜMøÏOòßýMóüÞ¯ŒþË A×ý$çÜ*{™èþ…
(A) C6 H6 (B) C 6 H 14

(C) C 6 H 12 (D) C 6 H 10

The common molecular formula of both hexene and cyclohexane is

(A) C6 H6 (B) C 6 H 14

(C) C 6 H 12 (D) C 6 H 10

1603 15 of 24

66. ¯öçÜVæü…sìý BMæü$ËÌZ (§æþ$Ææÿ§æþVæü$…r) VæüË çܯ@þ²sìý MóüÔ>Ë Ð@þ…sìý °Æ>Ã×êËÌZ VæüË BÐ@þ$Ï…
(A) Ððþ$£æþ¯øÆÿ¬MŠü BÐ@þ$Ï… (B) BM>ÞÍMŠü BÐ@þ$Ï…

(C) íÜ{sìýMŠü BÐ@þ$Ï… (D) ÌêÅMìütMŠü BÐ@þ$Ï…
An acid present in the stinging hair of nettle plant leaves is

(A) methanoic acid (B) oxalic acid

(C) citric acid (D) lactic acid
67. Ð@þ*¯@þÐ@þ#Ë Ô¶ýÈÆæÿ…ÌZ M>Æø¾Oòßý{yóþr$, {´ùsîý¯Œþ Ð@þ$ÇĶý¬ ¶MöÐ@þ#ÓË ^èþĶý*ç³^èþĶý$¶MìüĶý$¯@þ$
°Ä¶ý$…{†…^óþ àÆøï@þ$
(A) sñýÝùtíÜtÆø¯Œþ (B) A{yìþ¯@þͯŒþ
(C) C¯@þ$ÞͯŒþ (D) O£ðþÆ>MìüÞ¯Œþ
The hormone that regulates carbohydrate, protein and fat metabolism in
the human body is

(A) Testosterone (B) Adrenaline

(C) Insulin (D) Thyroxin
68. Ððþ¬ËMðü™èþ$¢™èþ$¯@þ² Ñ™èþ¢¯éË$VæüË Mæü$…yìþ° JMæü `Mæüsìý Væü¨ÌZ E…^éÆæÿ$. JMæü ÐðþË$Væü$™èþ$¯@þ² ¶MöÐöÓ†¢°
¡íÜMö° Mæü$…yìþMìü §æþVæüYÆæÿV> Mö°²ÆøkË$ E…^éÆæÿ$. Ððþ¬ËMæüË ™èþ$¨ ¿êV>Ë$ ÐðþË$Væü$™èþ$¯@þ²
¶MöÐöÓ†¢ OÐþð ç³#Mæü$ Ð@þ…Væü$™éÆÿ¬, C¨
(A) ÆæÿÝëĶý$°Mæü A¯@þ$Ð@þÆæÿ¢¯þ@ … (B) §æþ$ņ A¯@þ$Ð@þÆæÿ¢¯þ@ … (M>…† A¯@þ$Ð@þÆæÿ¢¯þ@ …)
(C) Væü$Ææÿ$™éÓ¯@þ$ Ð@þÆæÿ¢¯þ@ … (D) fÌê¯@þ$ Ð@þÆæÿ¢¯@þ…
A pot that has growing seedling is kept in a dark room. A burning candle is
placed near it for a few days. The top part of the seedling bends towards
the light of burning candle. This is

(A) Chemotropism (B) Phototropism

(C) Geotropism (D) Hydrotropism

1603 16 of 24

69. iÐ@þ ÌôýMæü OgñýÑMæü Õ¤ËÐ@þ¬ ÌôýMæü Ñçœ$r¯@þÐ@þ¬ ^ðþ…§æþ$ 糧éÆ>¦ËMæü$ çÜ…º…«¨…_¯@þ çÜÇOÄñý$¯@þ
ÐéÅRêů@þÐ@þ¬
(A) ç³ÇçÜÆæÿ…ÌZ çÜçßýf…V> ç³#¯@þÆŠÿ^èþ¶MîüMæüÆæÿ×ý… ^ðþ…§æþ$™éÆÿ¬
(B) ç³ÇçÜÆæÿ Ð@þÅÐ@þçܦÌZ° A¯óþMæü iÐ@þÆ>Ô¶ý$ËMæü$ à° MæüÍWÝë¢Æÿ¬
(C) ÑÑ«§þæ ´ùçÙ×êÝë¦Æÿ¬ËÌZ° à°M>ÆæÿMæü ÆæÿÝëĶý$¯éË Ýë…{§æþ™èþ¯@þ$ A«¨Mæü…^óþçÜ$¢…¨
(D) ç³ÇçÜÆæÿ…ÌZ «©ÆæÿƒM>Ë… fyæþ糧éÆæÿ¦…V> E…yìþ´ù™èþ$…¨
The correct statement with respect to biodegradable substances among the
following is these substances

(A) undergo recycling naturally in the environment

(B) harm various organisms in the ecosystem

(C) increase the density of harmful chemicals in different trophic levels

(D) remain inert in the environment for a long time
70. ç³#ÚëµËÌZ OÌñý…WMæü çÜ…™é¯ø™èþµ†¢ ^èþÆæÿÅÌZ Mæü¯@þºyóþ çÜÇOÄñý$¯@þ §æþÔ¶ýË$
(A) ç³Æ>VæüçÜ…ç³ÆæÿP…, çœË«©MæüÆæÿ×ý…, Ñ™èþ¢¯@þ…, {¿¶ý*×ý… (í³…yæþÐ@þ¬)
(B) Ñ™èþ¢¯@þ…, {¿¶ý*×ý…, çœË«©MæüÆæÿ×ý…, ç³Æ>VæüçÜ…ç³ÆæÿP…
(C) {¿¶ý*×ý…, Ñ™èþ¢¯@þ…, ç³Æ>VæüçÜ…ç³ÆæÿP…, çœË«©MæüÆæÿ×ý…
(D) ç³Æ>VæüçÜ…ç³ÆæÿP…, çœË«©MæüÆæÿ×ý…, {¿¶ý*×ý…, Ñ™èþ¢¯@þ…
The correct sequence found in the process of sexual reproduction in a
flower is

(A) pollination, fertilization, seed, embryo

(B) seed, embryo, fertilization, pollination

(C) embryo, seed, pollination, fertilization

(D) pollination, fertilization, embryo, seed

1603 17 of 24

71. ѧæþ$Å™Œþ ©´ëË$, ¸ëů@þÏ Äñý¬MæüP A¯@þÐ@þçÜÆæÿ Ñ°Äñý*V>°² °Ä¶ý$…{†…^èþ$rÐ@þËÏ Ò$Ææÿ$ ѧæþ$Å™Œþ¯@þ$
´ë§æþ$ç³#^óþĶý$Ð@þ^èþ$a¯@þ$ A¯@þ$¯@þ¨, ©°Mìü E§éçßýÆæÿ×ý
(A) °Æ>MæüÆæÿ×ý (B) Ñ$™èþÐéyæþMæü…
(C) ç³#¯@þÆŠÿ Ñ°Äñý*Væü… (D) ç³#¯@þÆŠÿ E§óþªÔ¶ý…
Saving electricity by switching off unnecessary work of lights and fans is
an example of

(A) refuse (B) reduce

(C) reuse (D) repurpose
72. Væü$…{yæþsìý BMæü$ ç³^èþa° Ñ™èþ¢¯éË$ MæüÍW¯@þ ( RRyy ) ºsê×ìý Ððþ¬MæüP˯@þ$, Ð@þ¬yæþ™èþË$ MæüÍW¯@þ
ç³çÜ$Ð@þ# Ææÿ…Væü$ ( rrYY ) Ñ™èþ¢¯éË$ MæüÍW¯@þ ºsê×ìý Ððþ¬MæüPË™ø çÜ…MæüÆæÿ×ý… ^óþíܯ@þç³#yæþ$ F 1
çÜ…™èþ™èþ†ÌZ E™èþµ†¢ AÄôý$Å Ñ™èþ¢¯éË$
(A) Væü$…{yæþsìý BMæü$ ç³^èþa° Ææÿ…Væü$ Ñ™èþ¢¯éË$
(B) Ð@þ¬yæþ$™èþË$ MæüÍW¯@þ ç³çÜ$ç³# Ææÿ…Væü$ Ñ™èþ¢¯éË$
(C) Væü$…{yæþsìý ç³çÜ$ç³#Ææÿ…Væü$ Ñ™èþ¢¯éË$
(D) Ð@þ¬yæþ$™èþË$ MæüÍW¯@þ BMæü$ç³^èþa° Ææÿ…Væü$ Ñ™èþ¢¯éË$
If a round green seeded pea plant [ RRyy ] is crossed with wrinkled yellow
seeded pea plant [ rrYY ], the seeds produced in F1 generation are

(A) round and green seeds (B) wrinkled and yellow seeds

(C) round and yellow seeds (D) wrinkled and green seeds
73. °Æ>Ã×ýÝëÐ@þ$Å AÐ@þĶý$ÐéË$
(A) JMóü ÆæÿMæüOÐðþ$¯@þ °Æ>Ã×ê°² MæüÍW E…yìþ, JMóü Ñ«§þæ OÐðþ$¯@þ M>Æ>Å°² °ÆæÿÓÇ¢Ýë¢Æÿ¬

(B) JMóü ÆæÿMæüOÐðþ$¯@þ °Æ>Ã×ê°² MæüÍW E…yìþ ÐóþÆóÿÓÆæÿ$ M>Æ>Å˯@þ$ °ÆæÿÓÇ¢Ýë¢Æÿ¬

(C) ÐóþÆóÿÓÆæÿ$ ÆæÿM>Ë °Æ>Ã×ê˯@þ$ MæüÍW E…yìþ JMóüÆæÿMæüOÐðþ$¯@þ M>Æ>Å°² °ÆæÿÓÇ¢Ýë¢Æÿ¬

(D) ÐóþÆóÿÓÆæÿ$ °Æ>Ã×ê˯@þ$ MæüÍW, ÐóþÆóÿÓÆæÿ$ M>Æ>Å˯@þ$ °ÆæÿÓÇ¢Ýë¢Æÿ¬

1603 18 of 24

Homologous organs

(A) have same structure and perform same function

(B) have same structure and perform different functions

(C) have different structures and perform same function

(D) have different structures and perform different functions
74. Ð@þ*¯@þÐ@þ#° Ô¶ýÈÆæÿ… Äñý¬MæüP A°² ¿êV>˯@þ$…yìþ ÆæÿM>¢°² Væü$…yðþMæü$ çÜÆæÿçœÆ>^óþĶý¬ ÆæÿMæü¢¯éâêË$
(A) «§æþÐ@þ$¯@þ$Ë$ (B) ÆæÿMæü¢MóüÔ¶ý¯éãMæüË$

(C) ç³#ç³#çÜ«§þæ Ð@þ$¯@þ$Ë$ (D) íÜÆæÿË$

The blood vessels that carry blood from all parts of the human body to the
heart are
(A) arteries (B) capillaries
(C) pulmonary arteries (D) veins
75. D ¶MìüĶý$ §éÓÆ> Ððþ¬MæüPË$ A«¨MæüOÐðþ$¯@þ ±sìý° ÑçÜÇjÝë¢Æÿ¬
(A) ¿êÚù¹™óþÞMæüÐ@þ¬ (B) MìüÆæÿ×ýf¯@þÅ çÜ…Äñý*Væü ¶MìüĶý$

(C) Ô>ÓçܶMìüĶý$ (D) 糧éÆ>¦Ë Ý릯酙èþÆæÿ×ý…

Plants can get rid of excess of water by this process

(A) Transpiration (B) Photosynthesis

(C) Respiration (D) Translocation
76. Æðÿ…yæþ$ ¯éyîþMæü×êË Ð@þ$«§æþÅ E…yæþ$ Rêä çܦ˅
(A) yðþ…[Oyðþr$ (B) BM>Þ¯Œþ

(C) íܯéÅ‹³Þ (D) Mæü×ý§óþçßý…

The gap between two neurons is
(A) dendrite (B) axon
(C) synapse (D) cell body

1603 19 of 24

77. í³…yæþÐ@þ¬ ÌôýMæü {¿¶ý*×ýÐ@þ¬ ™èþ¯@þ™èþÍÏ VæüÆæÿÂ…¯@þ$…yìþ ÆæÿMæü¢… §éÓÆ> ´ùçÙ×ý¯@þ$ ´÷…§æþ$rMæü$
çÜàĶý$ç³yæþ$ ¿êVæü…
(A) A…yæþ¯éâ¶ý… (B) A…yéÔ¶ýĶý$…
(C) VæüÆ>ÂÔ¶ýĶý$… (D) ¸ëÏòÜ…sê

The embryo gets nutrition from the mother‟s blood with the help of a

special part called

(A) Fallopian tube (B) Ovary

(C) Uterus (D) Placenta

78. ç³#Ææÿ$çÙ$ËÌZ ÒÆæÿÅMæü×êË$ Ð@þ$ÇĶý¬ Ð@þÊ{™èþÐ@þ¬ Æðÿ…yæþ* JMóü ¯éâ¶ý… §éÓÆ> ÑçÜÇj…糺yæþ™éÆÿ¬
(A) Ð@þÊ{™èþ ÑçÜÆæÿj¯é ¯éâ¶ý… (B) Ð@þÊ{™èþ¯éâ¶ý…
(C) ÒÆæÿůéâ¶ý… (D) Ð@þÊ{™éÔ¶ýĶý$…

The common passage for both sperms and urine in human male

reproductive system is

(A) Urethra (B) Ureter

(C) Vas deferens (D) Urinary bladder

79. D ¶Mìü…¨ ÐéM>ÅËÌZ fËçÜ…Ææÿ„æü×ê Ñ«§é¯é°Mìü çÜ…º…«¨…_¯@þ¨ M>°¨ H¨ ?
(A) A…™èþÆæÿjÌê°² †ÇW ç³NÇçÜ$¢…¨
(B) ±Ææÿ$ BÑÇM>Mæü$…yæþ$r
(C) §øÐ@þ$Ë {ç³™èþ$Å™èþµ†¢Mìü M>Ææÿ×ýÐ@þ$Ð@þ#™éÆÿ¬
(D) Ððþ¬MæüPËMæü$ ™óþÐ@þ$ A…¨çÜ$¢…¨

1603 20 of 24

Which of the following is NOT the advantage of water harvesting

structures ?
(A) Recharge the ground water
(B) Water does not evaporate

(C) Provide breeding grounds for mosquitoes
(D) Provide moisture for vegetation
80. JMæü iÑ ™èþ¯@þ iÑ™èþM>Ëç³# A¯@þ$¿¶ýÐé˯@þ$ Ð@þ¬…§æþ$™èþÆ>ËÐéÇMìü A…¨…^èþ$rMæü$ ÒË$ M>§æþ$.
M>Ææÿ×ý…, AÑ
(A) A¯@þ$Ð@þ…ÖĶý$ Ë„æü×êË$ (B) ´÷…¨¯@þ Ë„æü×êË$

(C) {糿¶ýË Ë„æü×êË$ (D) §æþ$ÆæÿÂË Ë„æü×êË$

The experiences of an individual during its lifetime cannot be passed on to
its progeny because, they are

(A) inherited traits (B) acquired traits

(C) dominant traits (D) recessive traits

1603 21 of 24

( SPACE FOR ROUGH WORK )

1603 22 of 24

( SPACE FOR ROUGH WORK )

1603 23 of 24

1603 24 of 24