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CBSE
TALENT TEST - 2013 Test ID
Physics, Chemistry, Biology, Mathematics and Mental Aptitude 2013 1 1P
Max. Marks: 50 Duration: 60 minuts
INSTRUCTIONS
Please read the following instructions carefully before answering the Question paper.
1! This "uestion paper is in #$e parts Physics, Chemistry, Biology, Mathematics and
Mental Aptitude! There are %0 "uestions in all!
2! All are o&'ecti$e type "uestions!
3! (tudent name is to &e entered in CA!"TALS only!
)! Test ID o* the "uestion paper should &e entered in the +M sheet at the appropriate
place!
%! Ans-er all "uestions!
.! /ach "uestion carries 1 mar! o negati$e mars!
! se only the -oring sheets pro$ided &y the e4aminer!
8. #s o$ %a&%u&ators an' &o( ta)&s is *ro+i)it'.
,. Darkn t+ a**ro*riat )u))& usin( a )&u or )&a%k )a&& *n in t+ M s+t *ro/i'' to
ou. n% mark' t+ ansr %annot ) %+an('. An %orr%tions or mo'i$i%ations i&&
automati%a&& rsu&t in ron( s%annin(.
10. ustions i&& ) assi(n' 4ro marks i$ t+ M S+t is &$t )&ank muti&at' torn
+itn' or s%rat%+'.
11. Do not rit ant+in( on t+ ustion *a*r.
12. T+ ustion *a*r a&on( it+ t+ M s+t an' t+ orkin( s+t ar to ) rturn' at
t+ n' o$ t+ xam.
13. A&& t+ /r )st
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CBSE
TALENT TEST - 2013 Test ID
Physics, Chemistry, Biology, Mathematics and Mental Aptitude 2013 1 1P
!+si%s
1! /nergy can neither &e created nor destroyed, it simply changes *orm *rom one to
another! This is no-n as the la- o* conser$ation o* energy! 5eeping this in mind,
ans-er the *ollo-ing "uestion! The potential energy o* a *reely *alling o&'ect
6a7 decreases progressi$ely 6&7 increases progressi$ely6c7 remains constant 6d7 cannot &e determined
2! A gi$en sound -a$e has t-o consecuti$e compressions spaced &y 2 m! I* one
complete -a$e passes through a point in % 4 10 83 s, -hat is the distance the -a$e
tra$els in 10 min96a7 120 m 6&7 2)0 m 6c7 2)0 m 6d7 120 m
3! A &all thro-n up reaches a ma4imum height o* :h; and *alls do-n! Choose the correct
graph -hich properly descri&es the motion *or this period!
6a7 6&7
6c7 6d7
)! There are t-o speci#c *orces o* e"ual
magnitude that can &e applied to a
hea$y &loc! The #rst *orce ect9
2
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CBSE
TALENT TEST - 2013 Test ID
Physics, Chemistry, Biology, Mathematics and Mental Aptitude 2013 1 1P
6a7
(ide 2?
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CBSE
TALENT TEST - 2013 Test ID
Physics, Chemistry, Biology, Mathematics and Mental Aptitude 2013 1 1P
6ii7 Increasing the $olume o* the cylinder6iii7 Increasing the pressure on the gas6i$7 Maing a small hole in the cylinder
6a7 6i7 and 6ii7 6&7 6i7 and 6iii7 6c7 6ii7 and 6iii7 6d7 6i7 and 6i$7
11! Car&on disulphide is a non8a"ueous sol$ent -hich dissol$es phosphorus, sulphur,
selenium and &romine etc! A mi4ture o* common salt, sulphur and iron #lings is
shaen -ith car&on disulphide and #ltered through a #lter paper! The #ltrate is
e$aporated to dryness in a china dish! =hat -ill &e le*t in the dish a*ter e$aporation9
6a7 (and 6&7 Common salt 6c7 Iron #lings 6d7 (ulphur
12! Analyse the *ollo-ing statements and select the correct option!
(tatement A? Gi"uids di>use less easily as compared to gases!(tatement B? Intermolecular *orces are greater in gases!
6a7 Both the gi$en statements are incorrect6&7 +nly statement A is correct6c7 Both the gi$en statements are correct6d7 (tatement A is *alse &ut the statement B is true
13! An unused Hash&ul& contains magnesium and o4ygen! A*ter use, the contents are
changed to magnesium o4ide &ut the total mass does not change! =hich la- &est
e4plains the o&ser$ation9
6a7 Ga- o* constant composition 6&7 Ga- o* multiple proportions
6c7 A$ogadros la- 6d7 Ga- o* conser$ation o* mass
1)! /lement J is metal and K is a non8metal! J *orms compounds lie J3P2, J6L(+)72 and K
*orms n3 K2, CrK etc! =hat -ill &e the *ormula *or the compound consisting o* J and
K9
6a7 JK 6&7 J2 K3 6c7 J3 K2 6d7
JK2
1%!The atomic mass o* lead is 20 and its atomic num&er is 2, the atomic mass o* &ismuth is 20@ and its atomic num&er is 3! The ratio o* the neutronsprotons
6a7 is higher in lead than &ismuth
6&7 is lo-er in lead than &ismuth
6c7 is e"ual in &oth lead and &ismuth
6d7 does not depend upon the a&o$e data
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CBSE
TALENT TEST - 2013 Test ID
Physics, Chemistry, Biology, Mathematics and Mental Aptitude 2013 1 1P
1.! (odium atom and sodium ion di>er in all o* the *ollo-ing e4cept
6a7 net electrical charge 6&7 num&er o* electrons
6c7 num&er o* protons 6d7 radius
1! Lo- many electrons, protons and neutrons are present in
F19
9
−
9
6a7 10, @, 10 6&7 @, , 10 6c7 @, @, 10 6d7 @, , @
Bio&o(
1! Jylem and phloem are the t-o conducting tissues *ound in plants! The 4ylem tissuetransports -ater and minerals -hereas the phloem tissues help in the transportation
o* *ood! These t-o tissues di>er *rom one another in -hich other aspect9
6a7 Jylem is &idirectional and phloem is unidirectional
6&7 Jylem is unidirectional and phloem is &idirectional
6c7 Phloem pro$ides mechanical strength -hereas 4ylem does not
6d7 Jylem is a li$ing tissue -hereas phloem is a dead tissue
1@! Anti&acterials are a class o* anti&iotics that selecti$ely target the &acteria -ith no
signi#cant negati$e e>ect on the cells o* the mammalian host! Anti&iotics are o*tencategoriNed according to their mechanism o* action! Identi*y the principle
mechanisms &y -hich anti&acterials inhi&it &acterial in*ection!
6a7 Cell -all inhi&ition 6&7 +rganelle mem&rane inhi&ition
6c7 uclear mem&rane inhi&ition 6d7 Both option 6a7 and option
6&7
20! It is indeed amaNing to see an amoe&a capture and engul* its *ood! Amoe&a is
unicellular and has no de#nite shape! Can you identi*y one other cell that can change
shape and hence said to &e amoe&oid in shape9
6a7 BC 6&7 =BC
6c7 er$e cell 6d7 Muscle cell
21! /utrophication is the enrichment o* an ecosystem -ith chemical nutrients! This leads
to a lush gro-th o* algae and other a"uatic plants! =hat -ill &e the immediate
conse"uence o* the algal gro-th in the -ater &odies9
%
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CBSE
TALENT TEST - 2013 Test ID
Physics, Chemistry, Biology, Mathematics and Mental Aptitude 2013 1 1P
6a7 Increased acti$ity o* decomposers 6&7 Algae die and &egin to rot
6c7 Gac o* sunlight and o4ygen 6d7 Death o* a"uatic species
22! A protein synthesiNed in the rough endoplasmic reticulum is transported &y a $esicle
to the target site! But the deli$ered protein has &een modi#ed and is not the same as
the one synthesiNed &y the ri&osomes o$er /! In -hich organelle do you e4pect the
modi#cation o* the protein to ha$e occurred9
6a7 (mooth /ndoplasmic reticulum 6&7 i&osomes
6c7 ucleolus 6d7 olgi apparatus
23.Certain plants lie sun hemp and guar are gro-n and then ploughed &ac into the
soil! This is done in order to increase the soil nutrients and to meet the re"uirements
*or the proper gro-th o* the ne4t crop! This method o* adding nutrients is called as6a7 leaching 6&7 merging
6c7 mulching 6d7 lurching
2)! MaiNe or corn is a cereal crop that is gro-n -idely throughout the -orld! Identi*y the
right group o* characteristics -hich corresponds to the maiNe plant!
6a7 Oascular, Ho-ering, parallel $enation6&7 A$ascular, reticulate $enation, nonHo-ering
6c7 Taproot, naed seeds, parallel $enation
6d7 er *rom seletal muscles &ecause these are
6a7 striated, in$oluntary, uninucleate
6&7 non8striated, $oluntary, uninucleate
6c7 non8striated, in$oluntary, multinucleate
6d7 striated, $oluntary, uninucleate
Mat+mati%s
2.! The num&er o* solutions o* the e"uation
3 10 0 x y+ − =
is
6a7 t-o 6&7 *our 6c7 ten 6d7 in#nite
.
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•
92° 20° A B
C
D
E
F
CBSE
TALENT TEST - 2013 Test ID
Physics, Chemistry, Biology, Mathematics and Mental Aptitude 2013 1 1P
2!T-o cu&es each -ith . cm edge are 'oined end to end! The sur*ace area o* the
resulting cu&oid is
6a7
2864cm
6&7
2360cm
6c7
2576cm
6d7
2432cm
2! The arithmetic mean o*
2 2 2 2 2 2 21 , 2 , 3 , 4 , 5 , 6 , 7
is
6a7 )0 6&7 20 6c7 30 6d7 10
2@!
( ) ( )0.3333... 1.333....÷
-ill &e e"ual to
6a7 0!%0 6&7 0!% 6c7 0!2% 6d7
1!00
30! I* each side o* a triangle is dou&led, -hat -ill &e the increase in the area o* the
triangle9
6a7 100Q 6&7 200Q 6c7 300Q 6d7 )00Q
31! In the
gi$en
#gure,
ABCD
is a
cyclic
"uadrilateral! A/ is dra-n parallel to CD and BA is produced to
92 , 20 , ABC FAE ∠ = ° ∠ = ° #nd
BCD∠
6a7
132°
6&7
108°
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CBSE
TALENT TEST - 2013 Test ID
Physics, Chemistry, Biology, Mathematics and Mental Aptitude 2013 1 1P
6c7112°
6d7
62°
32! Lo- many diameters can &e dra-n *rom any one point on the circum*erence o* a
circle9
6a7 1 6&7 2 6c7 3 6d7 in#nite
33! The angles o* a "uadrilateral are
( ) ( ) 1
50 , 3 30 , 702
x x x + ° − ° + ° ÷
and
( )2 10 x + °
! ame
the "uadrilateral!
6a7 TrapeNium 6&7 Conca$e 6c7 ectangle 6d7 5ite
3)! I*
2 3,a = −
#nd the $alue o* a3 R a83
6a7 .) 6&7 %2 6c7 1.% 6d7 100
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10cm
8cm6cm
CBSE
TALENT TEST - 2013 Test ID
Physics, Chemistry, Biology, Mathematics and Mental Aptitude 2013 1 1P
3%! A toy is in the *orm o* a cone mounted on a hemisphere -ith the same radius! The
diameter o* the &ase o* the conical portion is 12 cm and its height is cm! =hat is
the $olume o* the toy9 6Tae
3.14π =7
6a7 )1)!) cm3 6&7 .03!)% cm3
6c7 %3!. cm3 6d7 %23!% cm3
3.! A ey &unch contains 10 eys o* -hich only one ey can open a door! A man tries to
open the door &y choosing a ey at random and discarding the -rong ey a*ter each
trial! The pro&a&ility that the door is opened only in the #*th trial is
6a7
1
10
6&7
1
2
6c7
1
5
6d7
5
9
3! I*
216 8 2 ,
n m+× = then m is e"ual to
6a7 n R 6&7 2n R 10 6c7 3n R 2 6d7 3n R 10
3! In many parties, Ho-ers are used to decorate the display on the stages! The ta&le
gi$en &elo- sho-s the num&er o* Ho-ers used in each ro- o* the display in a
particular party!
@
o- num&er, r um&er o* Ho-ers, n1 %)2 %3 .2) ..
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A
B E
F
C D
144°
128°
CBSE
TALENT TEST - 2013 Test ID
Physics, Chemistry, Biology, Mathematics and Mental Aptitude 2013 1 1P
=hich e"uation &est descri&es these data9
6a7 n E 2r R%2 6&7 n E r R%) 6c7 n E )r R%0 6d7 n E )r
R%)
3@! In the gi$en #gure, AB SS CD,
128 , 144 . A E ∠ = ° ∠ = °
I* /C is produced to
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CBSE
TALENT TEST - 2013 Test ID
Physics, Chemistry, Biology, Mathematics and Mental Aptitude 2013 1 1P
6a7 a'an 6&7 (achin 6c7 Moni 6d7 agat
))! In a code C+/ is -ritten as (OIO! Lo- can C/TAG &e -ritten in that code96a7 D
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9
1)
.
3.
.
%
33
CBSE
TALENT TEST - 2013 Test ID
Physics, Chemistry, Biology, Mathematics and Mental Aptitude 2013 1 1P
6a7 % 6&7 ) 6c7 2 6d7 3
Dir%tion: In "uestion %0, the num&ers inside the #gure are related to the num&ers
outside the #gure! Identi*y the relationship that e4ists among the num&ers in the #gure
*rom among the gi$en choices and mar the correct option on the ans-er sheet!
%0!
6a7 )2 6&7 )) 6c7 2 6d7 2
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