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8/9/2019 NSTSE Class 9 Solved Paper 2010
1/22
CL SS : IX M T HEM T ICS
1.
The
remainder R obtained by
dividing
x
100
by
- +
2
is
a polynomial of
degree less than
2.
Then
R
may be
written
as:
A) 2
100
- 1 B) 2
100
x -
1 )-
x -
2)
C) 2
100
x - 3)
D) x 2
100
-1) + 2
2°
9
- 1)
· 2. Consider the following statements
relat ing
to
the
congruency
of
two right - angled triangles.
3.
4.
5.
I. Equality of two sides of one triangle with some two sides of the
second makes
thetriangles
congruent.
II. Equality of the hypotenuse and a side of one
triangle
with the
hypotenuse and a side
of
the second respectively makes
the
triangles congruent.
Ill. Equality of the hypotenuse and an acute angle of one triangle with
the
hypotenuse and
an
angle
of the
second respectively makes the
triangles congruent.
Which
of the
above statements are
true?
A)
I,
II and
III (B) I and II only
(C) I
and III
only D)
II and III
only
3J2
If j6
=
2.449, then. the value of
2
.)3 is close to:
(A)
1.225 B) 0.816 C) 0.613 D) 2.449
F h
.
l +x
N +1 b h N,.
or
t e
equation
· = N to e
true,
w ere IS
1 x
positive, x can have:
A) any
positive value less
than
1 B) any value less than 1
C) any non-negative value (D) any value
If CE is parallel to DB in the given figure, then the value
of x. will be:
A
E
D
D) 85°
U C N/ 2 0 1 0/1>
E
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8/9/2019 NSTSE Class 9 Solved Paper 2010
2/22
A5
s :IX
Un
ified
Cou
ndl
6
. T
he
po
lygo
n(s
)
f
orm
ed
b
y
y = 3
x + 2
,
y
=
3x
+ 2
a
nd
y
=
2
is
/are
:
·
A
) an
eq
uila
tera
l
t
rian
gle
B)
an
isosc
eles
t
rian
gle
C )
a
rig
ht
an
gl
ed
tr
ian
gle
D )
a
tr
ian
gle
an
d a
tr
ape
zoid
7
The
b
ott
om,
sid
e a
nd f
ron
t
are
as
of a r
ect
ang
ula
r box
ar
e
k
now
n.
T
he p
rod
uct
of t
hese
ar
eas is
e
qu
al
to:
A)
the
vo
lum
e of th
e
box
B) the
squ
are
ro
ot of
the
vo
lume
C ) t
w ice
t
he
volu
me
D) th
e s
qua
re of
the
vo
lum
e
.
8. ABCD
is
a
parallelogra
m.
P is
a
p
oin
t
on
AD
suc
h
t
hat
1
1
A
P
=
3
AD
an
d
Q
is
a
poi
nt
on B
C suc
h th
at
CQ
=
3
BC
.
Th
en
AQC
P is
a
:
A )
par
alle
logr
am
B ) rh
omb
us
C
)
re
ctan
gle
D) squ
are
9
Tw
o
par
alle
l cho
rds
of a
c
ircl
e
wh
ose
dia
me
ter
is 1
3 em
are
res
pec
tive
ly,
5
e
m a
nd 12
e
m
in
l
eng
th. I
f bo
th
t
he
ch
ord
s
l
ie
in
a
sem
i-c
ircl
e, the
n t
he d
ist
anc
e bet
we
en
the
ch
ord
s i
s:
A) 8.5
e
m
B ) 5
e
m
C
) 3.
5
em
D) 3 em
1
0.
1
1le
de
gre
e m
eas
ure
of
e
ach
of
the
th r
ee ang
les
of
a
tr
ian
gle
i
s an in
tege
r.
W
hic
h of
the
fo
llow
in
g c
oul
d n
ot be
th
e r
atio
·
o
f
the
ir mea
sur
es?
A
) 2
: 3
:
4
B)
3 : 4
: 5
. C
) 5
:
6: 7
D) 6:
7:
8
1
1.
Two
adj
ace
nt sid
es
of
a para
llel
ogr
am
are
51 e
m a
nd
37
em.
On
e o
f
its di
ago
nal
s i
s 2
0
e
m,
t
hen
its
are
a
is:
A )
412 em
2
B )
512 cm
2
C )
612 cm
2
D) 712 em
2
12.
f the
rad
ius
o
f
a circ
le
is
a r
atio
nal
num
be
r, t
hen
i t
s
are
a i
s
g
ive
n b
y
a nu
mb
er wh
ich
is:
A ) r
atio
nal
B) irra
tion
al
C) i
nteg
r
a
l
D
) a ·
perf
ec t sq
u
a
re
U
CN
201
0 / IX
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8/9/2019 NSTSE Class 9 Solved Paper 2010
3/22
13.
I f (a : J 3, then
a + :
e
quals:
(A ) 10../3
3
B ) 3
J3
(C
O
D ) 6
Jg
14. Th
e
so
lution
set
of
the
system of equ
ations
4
3
- 5y =
7, - 4y =
5 is:
X
X
) ~ - 1
J
8/9/2019 NSTSE Class 9 Solved Paper 2010
4/22
/
C L S S
:IX
19. A righ
t circular cone
has
for
its base a circle
having
the
sam
e radiu
s as
a g
iven sphere
.
The volume
of
th
e
con
e
is
one-half
that
of the sph
ere
.
The
ratio of the
altitude
o
f
the cone
to the
radius of its
ba
s
e is:
1 1 2 2
A )
l
B ) 2
C)
l
D) 3
20.
In the
figure given
b
elow,
if s
8/9/2019 NSTSE Class 9 Solved Paper 2010
5/22
CL
AS
S :
IX
CL
A
S
S
:
IX
P
H
Y
S
IC
S
2
6.
F
o
r
a
m
o
v
in
g
pa
rt
ic
le
w
ha
t
d
oe
s
n
displacement
with
time
m ean?
(A
)
Th
e p
ar
t ic
le
i
s m o
vi
ng
to
w
ard
s
its
in
it
ial
po
sit
io
n.
B
)
Th
e
a
cce
le
ra
tio
n
o
f
the
p
art
ic
le
i
s ap
pr
oa
ch
ing
z
ero
.
(C)
T
h
e pa
r t
ic l
e
is
m
o
vi
ng
w
it
h u
nif
o r
m
sp
e
ed .
(
D )
Th
e pa
rt i
c l
e
is m
o
vin
g
w f
th
un
if
o r
m
mo
ti o
n.
2
7
.
A
m
a
ch
in
e gu
n o
f
m
as
s 12
k
g
fir
es
2
5 g
b
ul
let
s a
t t
he
ra
te
of
4
bu
ll
et
s p
e
r se
c
on
d w
it
h
a
ve
lo
ci
ty
o
f 5
0
0 m
s ·
1
•
W
h
at
f
or
ce
m
u
st
b
e
ap
pl
ie
d to
t
he
g
u
n to
h
ol
d i
t i
n
po
si
ti
on
?
(A) 20
N
(B
) 1
2.
5 N
(C
) 5
0
N
(
D)
75
N
,.
2
8.
s
ser
ti o
n
:T
h
e bu
o
ya
n
t
fo
rc
e of
wa
te
r
on
a
s
ub
m
e
rg
ed
w
oo
d
en
c
u
be
is
gr
ea
te
r
t
h
an
o
n
a
s
te
el
c
ub
e
o
f
eq
ua
l
vo
lu
m
e.
R
ea
so
n
:T
he
b
uo
y
an
t
fo
rc
e
on
a
b
od
y is
eq
ua
l t
o th
we
ig
h
t
o
f t
he
l
iq
ui
d d
is
pl
ac
ed
b
y th
e
bo
d
y.
(
A)
Bo
th
as
se
rt i
on
a
nd
re
as
on
a
re
t
ru
e an
d
rea
so
n
is
t
he
co
rre
ct
ex
p l
an
a ti
on
of
a s
se
r ti
o n
.
(
B)
B o
th
a s
se
rt i
o n
an
d r
ea
so
n
ar
e
tru
e
b
ut r
ea
so
n i
s
no
t
th
e
c
orr
ec
t e
xp
la
na
tio
n
of
a
sse
rtio
n
.
(
C
) A
ss
ert
io
n i
s
tr
ue
r
ea
so
n is
fa
lse
.
(D
) A
sse
rt
ion
is
f
als
e ,
r
ea
so
n
is t r
ue
.
2
9.
W
h
ic
h
of
t
he
fo
llo
w
in
g
st
at
em
e
nt
s r
eg
ar
di
ng
gr
av
it
a-
t
io n
al
fo
rce
ex
is
tin
g
b
e
tw
ee
n
t
w
o
bo
d
ies
i
s
T
RU
E
?
A
)
Fi
rst bo
dy
e
xe
rts
a t
tra
c t
ive
fo
rc
e o
n s
ec
on
d b
od
y
wh
ile
se
co
nd
bo
dy
e
xe
rts
r
ep
uls
iv
e f
orc
e
on
fi
rs
t bo
dy
.
B)
Th
e
gra
vi
ta
tio
na
l f
orc
e
is
z
er
o w
h
en
t
he
y a
re
k
ep
t
i
n v
ac
uu
m
.
(C
)
Fo
rce
e
x e
rte
d
b
y
fi r
st
bod
y
on
s
ec
on
d
i
s n o
t
eq
u
al to
t
he
force exerted by second body on f i rst.
D
) .Fo
rc
e e
xe
rt
ed
by
f
irs
t b
od
y
on
se
co
nd
b
od
y
i
s eq
ua
l t
o
th
e
fo
rce
e
xe
rte
d
by
se
co
nd
b
od
y o
n
fir
st
.
30
.
A
w
av
e
s
ou
rc
e
pr
od
uc
e
s 10
o
sc
il
lat
io
ns
in
1
00
m
s.
Fi
nd
t
he
t
im
e
p
er
io
d of
t
he
w
av
e
.
A)
1 s
ec
on
d
(
B)
0.
01
se
co
nd
(C
) 1
0
sec
on
d
(D
) 0
.1
se
co
nd
U
C
N/
20
10
/I
X
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8/9/2019 NSTSE Class 9 Solved Paper 2010
6/22
T
he graph
below repres
ents a
part
icle m
oving
a
long a
straigh
t line,
s
uch tha t
its
displacem
ent x varies
with
ti
me
t
as x
=
2
+ b t + c
where a,
b
, c ar
e consta
nt.
Displac
e
m
ent
x
) 1
Time
t) --)-
W
hich
of
the
following
statements
regard
ing the abo
ve
g
raph is false
?
A)
he
body moves
wi
th
an
unifonn
acceler
at ion of 2a .
B) The final velocity o f
the
body is
b
2at )
C)
Th
e initi
ldisplac
em
e
nt of th
e body is c.
D)
The
init i l
velocity of
the body is b
c)
32.
Ident i fy w
hich
of the s ta temen
ts gi
ven below
re
app
licable
for an
object to m
ove
in a
circle ?
A)
Obje
ct
m
ust con
tinually slow
down.
B) Ob
ject must ac
cele
rate
.
C) O
bject must be
acted on
by
balanced
forces.
D)
Object
must
move with uniform velocity.
33.
Figur
es (a
)
and b)
show
that a s
ubmarine
can either sin
k
or float
even thou
gh
th
e
u
pthrust
acting o
n it is the
same.
What
is th
e r
elationshi
p
be
twe
e n
the
weight of
submarine
and the upth
rust wh
en the sub
marine
sinks in w at
er?
ta:
nk
A)
W ei gh t of subm
arine < upt
hrust.
B) W e
ight of
s
ubmarine
= upthrust.
C)
W ei gh t ofsub
marine >
upthrust.
D) W eight
of
sub
marine u
pthrust.
UC N 2010
IX
F
ull
ballast
t
ank
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8/9/2019 NSTSE Class 9 Solved Paper 2010
7/22
34.
An e
ngine of 4 .9
kW
pow
er
is
Ut:
if d f.n
l lUUliJ w nt
t•r
fa
·urn n
wel
l20 m deep. Wha
t quant
ity ofwtltt
. n kt
loltt••rlil wh
ic•h
i t can
pump out
in 3
0
minutes ?
(A)
45
kl
(B )
75
kl
(C )
25
kl
()
H
HU
ld
35.
Which
of
the
fol
lowing
appl
ications
given
h ~ l o
w a
u•t
not
applic
ations
of ul
trasound wav
es?
(A)
B )
C . \
·
.,
D )
.
'
.
~
~
~
\
.
2 ;:: 0
M
etal compon
e
nt
J
j
36. W
hat
do
you
infer
if
s
- t graphs
o
f
two
cycl
ists
m
oving
alon
g
a
straight
line meet at a
point
?
A
) They col
lide.
B
) They move w
ith
sa
m e spee
d.
(C) T h e y are
at
res t. (D) T h e y are
starting
from r es t.
37.
Whi
ch of
th
e followin
g graph
s represen
t
th
e
m
otion
o·f
a
planet abo
ut
th
e s un ?
38.
A wooden
cylind
er
f loa
ts ver t ica l ly
inw
ntA
r
with
one fourth o
f
its
length
im mersed
What
will
be
tho
~ n ~ t
y
of wood?
(A)
I t
equals to
th
e dens ity
ofwnt<
t
(B )
I t
e
quals to
half the dens
i1 y of
wn
Lc,r
.
(C)
I t
equals to
one four th t
lw
uen qiLy
o
f water .
(D)
I t
eq
uals to t
hree fo\lPth
t he ~ m s i o
fwater
.u
C
N/ 2 0 1
0/IX
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8/9/2019 NSTSE Class 9 Solved Paper 2010
8/22
CL
SS
:
IX
3
9.
T
h
re
e
di
ff
er
e
nt
s
to
n
es
ar
e
l
if
te
d f
ro
m
th
e
g
ro
u
nd
le
ve
l
t
o
d
if
fe
re
n
t
he
ig
h
ts
o
n
di
ff
er
e
nt
p
la
n
et
s as
g
iv
e
n
b
e
lo
w
:
C
as
e1
:
A 25
0
g
s
to
nel
if
te
d to
10
m
o
n
ea
rt
h .
s
e
2
:
A 80
0
g
s to
ne
lif
ted
to
2
m
on
S
a
t
ur
n
.
Ca
se
3 :
A
1
kg
st
on
e l
if
ted
to
1
m
onJ
up i
te
r.
W
hi
ch
o
f t
h
e f
ol
lo
w
in
g
st
at
e
m
en
t
s
is
t
ru
e
?
G
iv
en
th
a
t
th
e
a
cc
el era
ti
on
d
u
e t
o
g
ra
v
ity
on
t
he
Ea
r
th
th
e
Sa
tu
r
n a
n
d t
h
e
J
u
pi
t
er
ar
e
1
0
m
1
5m
s
-
2
a
nd
2
5
m
s·
2
r
e
sp e
ct
iv
el
y)
.
(A
) M
o
re
e
n
er
gy
is
r
eq
u
ire
d
i
n c
as
e
2
th
an
c
a
se
1
.
(
B )
M
or
e
en
er
gy
i
s r
eq
u
ire
d
f
o
r ca
s
e
1
t
h
an
c
as
e 3
(C
)
C
as
e 1
a
n
d
ca
se
2
re
qu
ire
th
e
s
am
e
a
m
ou
n
t o
f
en
e
rgy
.
·
(D ) C ase 1
an
d case 3 r equi
re
the s
am
e
amount
of
e
ne
r g
y.
4
0
.
A
b
od
y
w
ei
gh
s
12
N
o
n
th
e
s
u
rf
ac
e
o
f t
h
e m
o
on
.
W
h
at
is
it
s w
e
ig
h
t
o
n th
e
su
r
fa
c
e o
f th
e
e
ar
th
?
(
A)
7
2 N
(B
) 2
N
G
) 2
4
N
(
D
) Z
e
ro
41
.
A
t t
h
e
i
ns
ta
n
t
w
h
e
n t
ra
ff
ic
l
ig
h
t tu
rn
s
g
r
ee
n
a
ca
r
st
ar
ts
w
i
th
a
c
o
ns
ta
n
t a
cc
e
le
ra
ti
on
o
f3
m
s-
2
• A
t
t
he
s
am
e i
ns
t
an
t
a
t
ru
c
k
t
ra
v
el
li
n
g w
i
th
a
co
n
s
ta
n
t
s
pe
e
d o
f
1
5
m
s -
1
ov
e
rt
ak
e
s a
n
d
p
a
ss
es
th
e
ca
r
. W
h
ic
h
o
f t
h
e
fo
l
lo
w
in
g
graphs
given below
represents the
above
situation
?
A
)
B
)
s
-
·
§
I
)
•.-
4
~
0
(C
)
(
D
)
-
Q
§
I)
•
..C
0
U
/ 20
10
I
X
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8/9/2019 NSTSE Class 9 Solved Paper 2010
9/22
CL S
S IJC
4
2
.
Sohail c
ycles on
a ci
rcular
t rack in un
tieloekwi
se
di
rection as shown
in figure.
He
trav
e lH
with a
H p o d
V
to co
ver
the pat
h
AB,
next
with
s
peed '2V' f'ro
m n
to C
a
nd with a spe
ed
of
3V'
from C to
A . Wha
t hi uvorage
speed
for
the
total
journey?
A)
2V
B
) 6V
(C)3V
D )
h
43.
Th
ree objects
a
re
introduced
into
the
same liquid
.
as
shown
·belo
w
.
W
hich of the
follow
ing
is
in
des
cending
orde
r of
relat
ive d
ensity of
the object
s
?
I R 1
p
l
I -
I
1:
I Q
I
.
.........
A ~ ,
Q , R
B ) Q,
P , R, C)
R, P ,
Q
D )
Q, R P
4
4.
A
bal
l
droppe
d from a 20
m h
eight
lo ses 4
0 of
its energ
y
on
hitting
he
gt Ound Find
t
o
wh
at
height
d
oe
s
theballreboun
d?
A ) 28 m
(B)8
m (C)12m
D
)20
m
45. T
he mo
tion of
an
o
bject is
plott
e
d
by four distan
ce- time
graphs.
Wh
ich of
the following
graph
s giv
en belo
w
c
orrectly describe
th
e possib
le
motion
o
f the objec
t?
(A)
B )
(C)
D )
d
t
U C N / 2 0 1
0/I
X
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8/9/2019 NSTSE Class 9 Solved Paper 2010
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CL SS
:I X
Unified
8/9/2019 NSTSE Class 9 Solved Paper 2010
11/22
U
nlf
ltd
Cou
nci
l
5
0.
T
he
tr
an
sla
to
ry
mo
tio
n of
an
o
bje
ct
mo
vi
nf{
on
a
sm
oo
th
su
rfa
ce
i
s r
ep
res
en
te
d by
fol
low
in
g d
is
tan
ce
-
tim
e
J{
rap
h.
W
ha
t c
an
b
e i
nf
err
ed
fr
om
th
e gr
ap
h
?
I
Nof
orc
eis
r
equ
ired
to
ke
ept
heo
bje
cti
nm
ot io
n.
II
The
s
pee
d t
ime
gra
ph
of
t
he
ob
jec
t s a
s
tra
igh
t l i
ne
p
ara
ll e l
to
tim
ea
xis.
·
111
The acceleratio n
of
the
object
is z ero
A
) I
an
d II
o
nly
C
)
II a
nd
I
II onl
y
B
) I
and
II I
o
nly
D
) I,
I
I a
nd
III
C
L
AS
S
:
I
X
C
H
EM
IS
T
RY
51
.
A c
las
s
te
ac
he
r d
em
on
str
ate
s the
.
eff
ect
of
i
mp
ur
itie
s o
n
t
he
bo
ili
ng
p
oin
t
o
f
w
at
er
u
si
ng
th
e
arr
an
ge
me
nt
o
f
ap
pa
ra
tus
as
s
ho
wn
b
elo
w
o
o ~
s
a
l t
~
•
T
he
rm
om
ete
r
Wh
at
c
ou
ld
be
th
e
pr
ob
ab
le
th
erm
o
me
te
r r
ea
di
ng
s
re
co
rde
d du
ri
ng
t
he
e
xp
eri
me
nt
?
A
) 0
o
B
)
100
o
C)
102
°C
U
C
N
/
2
0 1
0
/IX
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8/9/2019 NSTSE Class 9 Solved Paper 2010
12/22
52.
What is
the smal
lest constituen
t of a
matter
th
at re
tains
its chemica
l identity
(A
) Atom
(B) M
olecule (C
) Ion
D
) Radica
l
53.
At wh
at condition
s a g
as
can
be
cooled
and
converted
i
nto
liqu
id
?
A) A
t
its
cri t ical
tem
perature
by
decreas ing pressur
e
on
it
B)
Above
its
cr
itical
temp
erature b
y increasin
g pressure
on it
(C) A
bove
its
crit
ical
tempera
ture by
dec
reas ing pressure
on it.
D) B
elow
its
cri
tical
tempera
ture by
inc
reas ing pressure
on it .
5
4. Whi
ch of the
followi
ng pair
s of colloi
dal
solu
tions have
~ i s p e r s e d phase
as liqu
id an
d
di
spersing
medium a
s g
as?
(A) Fog, mist
B)
Butter, milk
(C) Fog
, smoke
D)
Smok e, fo
am
55.
The
table b
elow
s
hows
the
melti
ng a
nd boiling
points
of
substances
P,
Q,
R
and
S :
b s t - a n t t ~
.
~ -·
. ~
~ g
p o
t
oC):
a·oi
in polnt (.?
C)
..
p
-210
-196
Q
-40
3 60
R
250
800
s
-8 60
Which substan
ce exists
in
a liq
uid sta
te over
a
wide ra
nge
o
f tempera
ture
A) P
B
)Q
C)R
D)S
56.
Which
of the fol
lowing is a
true soluti
on
(
A)
Copp
er
i
n
gold
(B
)
S
ulphur
in water
(C)
M ilk
D )
KCI in sulphur
di
oxide
57.
Which
of the followin
g is
a
physical
change
(
A)
Magnet i sa t
ion
of
iron
(B)
C
urdling
of mi lk
(C) Burning of
a
c andle D )
Cooki
ng of food
5
8. Id
entify a
pure
su
bstance f
rom
the follow
ing ?
A)
teel
B)
M a g n a
lium
C) A
m monia
U C
N/
2 0 10/IX
D)
Gun
powder
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CLASS :IX
59. Id
e
ntify
the
pair ofsub
stances
ha
vinfo H a m e form
ula uni
t
m a
ss?
A) Calci
um chlor ide, potassiw
n
carbonate
B) Calcium
oxide,
hydrochlor
ic acid .
C) Carbon
m
onoxide, amm
onia
D ) Carb
on dioxide
,
n
it rous oxi
de.
60
. Which
of the foll
owing
i
ons is
not divalent
?
(A) Sulphate (B)
Nitrate (C)
Hydrogen p
hosphate D
) Carbonate
61. Find t
he number of
mo
les
of
sodi
um ni
trate which
contains
1 5 mo
les of oxyg
en atoms.
(A ) 0.5
(B ) 1.5
(C)
2.0
D ) 1 .0
62. An
eleme
nt
X combines
wit
h
oxygen
to
form co
mpounds
P and Q. I f
he
r
atio
ofvalenc
yof
element
X
in
P
to
element
X
in
Q
is
3 :
5
res
pectively
. What cou
ld be th
e
prob
able
com
pounds P
and
Q ?
(A
)
B)
C )
(D)
. . ..
p
co
N20a
H 2
0
CH4
·
,
Q
•
C02
N
205
Hz 2
CaRs
63. What
is the rat i
o
of
num
ber
o
f atom
s
o
f
respect
ive
element
s
potas
sium,
chlorine
and oxy
gen p
resent in
245 g of
KC10
3
?
(A ) 2
: 2 : 3 (
B) 1: 1 : 3
(C) 39 :
36
:
48 (
D)
1 : :l :
6
64.
On
which
of the following
f
actorA, molc
mlara
n-angemen
of a
subs
tance
depend
s ?
A)
Tempera
ture and preasuT
e.
B) Concentration
and
t empor u tu rc .
C) Te
mperature, pre
ss
ure
and con<
'Pn trntion.
D ) Vo
lume and
press
u
re.
65.
C
arbon
and oxygen
react to produce
carbon
dioxide.
What
is the
we
ightof
oxyg
en
requir
ed to con
ve1 t
1 5 g
of
carbon
to carbo
n dioxide?
A) 2
.g
UCN
/
2 1
/ IX
{B ) 6 g
(C) 1
g
(D ) 4
g .
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66. Tw
o
atoms
92
P
2 35
and
9
2
P
2
88
are similar
i
n
terms
o
f
:
I Num
ber of proton
s
II. Number of neutrons
Il l . Num
ber of efedro
ns
A I o
nly
B)
I a
nd II
only C)
I ap.d ill onl
y D) I ,
II and i l l
67.
Whic
h
of
the f
ollowing conclus
ions ca
nnot be
drawn
on
the basi
s Qf Rutherfor
d s atomic
model
?
A) T o t
a l mass
ofthe
atom is
co
n c
en
trated at
the
centre
o
fatom
B ) N u
cleu s
is
loca
ted ins ide th
e
atom conta
ining
pos it
ively
charged par
t icles .
C) M o s t
of
the
atom
is
empty
in
sp
ace.
D) Electr
ons revolve a
round
the
nu
cleus
in
stati
onary circula
r o rbits.
68.
Asse
rtion
20
Ne
and
22
Ne are
isotop
es
.
Re
ason
:Noble
gases
do no
t exist as isotop
es as
they
are
ine
rt.
A)
Both a
s
se
rtion
and
reason are t rue and r
ea so n i s
the correct
explanat
i
on
of
a s
sertion .
B )
Both as
sertion
and
reas
on
a
re true, but
reason
is no
t the
c
orrect
explanat
i o n
of
as se r t ion .
C) As
sertion
is true reas
on
is f
alse.
D
) Asser t ion
is false,
reason is
tru
e .
6
9.
W
hat is the ratio
of num b
er of neutro
ns p
resent in
pota
ssium atom an
d magn
esium atom
s with ma
ss
numbe
rs 39
and
2
4
?
A )
19: 12
B )
5:
3
C
) 5 : 6 D
) 4: 3
70.
Th
e isotope
s of
n elem e
nt X
re
X A
x A+l x
A+
Z
z z
, z
respectively.
What is
the ratio of
number of
nucleons
in
these respe
ctive
.isot
opes?
A )
A :
A+
1):
A+ 2)
C)
A
Z
:
A
+
1
)-Z) : A+ 2
) -Z)
UCN/2010
/ IX
B ) 1 : 1 :
1
D )
1 : 2 : 3
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L
A
S
S
~
IX
-
-
-
-
-
C
L
A
S
S
:
X
,
B
I
O
L
O
G
Y
7
1
.
W
h
i
c
h
o
f
t
h
e
f
o
l
l
o
w
i
n
g
p
r
o
c
e
s
s
e
s
c
a
u
s
e
j
u
J
,t•
••
to
o
o
u
• n
u
t
w
h
e
n
s
u
g
a
r
i
s
s
p
r
i
n
k
led
on
strawberries?
A
)
D
i
f
fu
s
i
o
n
·
B
)
T
ra
n
s
p
i
ra
t
i
o
n
C
)
O
s
m
o
s
is
D
)
P
l
u
H
m
o
h
M
l
H
7
2
.
T
h
e
s
c
h
e
m
a
t
i
c
d
i
a
g
r
a
m
o
f
th
e
e
n
d
o
p
l
a
s
m
i
c
r
t
i
c
u
l
u
m
h
t
s
h
o
w
n
h
e
r
e
. W
h
i
c
h
o
f
th
e
f
o
l
lo
w
in
g
s
t
a
t
e
m
e
n
t
s
a
b
o
u
t
th
e
E
R
i
s
f
a
l
s
e
?
A
)
C
e
l
ls
t
h
a
t p
r
o
d
u
c
e
a
lo
t
o
p
r
o
t
e
in
f
o
r
e
x
p
o
r
t
a
r
e
p
a
c
k
e
d
w
i
t
h
E
R
B
)
C
a
rb
o
h
y
d
r
a
t
e
s
a
r
e
a
d
d
e
d
t
o
p
r
o
t
e
i
n
s
t
o
p
r
o
d
u
c
e
g
ly
c
o
p
ro
te
i
n
s
in
t
h
e
E
R
C
)
R
i
b
o
s
o
m
e
s
·
a
r
e
lo
c
a
te
d
w
it
h
i
n
th
e
lu
m
e
n
o
f
t
h
e
R
o
u
g
h
E
R
D
)
E
R
p
r
o
v
i
d
e
s
a
p
a
t
h
w
a
y
f
o
r
t
h
e
d
i
s
t
r
ib
u
t
io
n
o
f
n
u
c
l
e
a
r
m
a
t
e
r
ia
l f
r
o
m
o
n
e
c
e
l
l
t
o
a
n
o
th
e
r
7
3
.
I
n
a
n
o
r
g
a
n
i
s
m
t
h
e
p
r
o
c
e
s
s
o
f
m
e
i
o
s
i
s
d
i
ff
e
r
s
f
ro
m
t
h
e
p
r
o
c
e
s
s
o
f
m
it
o
s
is
i
n
t
er
n
_
1
.s
o
f
t
h
e
n
u
m
b
e
r
o
f
:
ti
m
e
s
th
e
D
N
A
r
e
p
c
x
ie
s
I
I.
t
im
e
s
t
h
e
n
u
d
e
u
s
d
iv
l
d
e
s
Il
l.
d
O
J
g
h
t
e
r
o
o
ll
s
p
r
o
d
u
c
a
d
IV
c
h
ro
m
o
s
o
m
e
s
in
t
h
e
c
b
J
g
1
t
e
r
o
e
l
ls
A
)
I
a
n
d
I
I
I
o
n
l
y
C
)
I
I
a
n
d
o
n
l
y
C
B
I
,
IT
n
n
d
T
o
n
ly
I
>
)
l f
,
I
l
l a
n
d
lV
o
n
l
y
7
4
.
S
t
u
d
y
th
e
f
e
a
t
u
re
s
g
i
v
e
n
b
d
o
w
.
T
h
e
p
l
a
n
t
b
o
d
y
is
n
o
t
d
if
fe
r
e
n
ti
a
t
e
d
In
t
o
o
o
t ,
tt
e
m
o
o
d
le
a
v
e
s
T
h
e
se
x
o
rg
a
n
s
ar
e
u
n
ic
a
l
lu
la
r
.
.
I
n
t
o
w
h
ic
h
o
f
t
h
e
f
o
l
l
o
w
in
g
g
r
·
o
u
p
s
w
o
u
l
d
y
o
u
p
l
a
c
e
t
h
e
p
la
n
t
w
i
t
h
t
h
e
a
b
o
v
e
fe
a
tu
r
e
s
f
l
A
)
T
h
a
l l
o
p
h
y
ta
B
)
B
r
y
o
p
4
y
t
a
.
C
)
P
t
e
r
id
o
p
h
y
t
a
U
C
N
2
0
1
0
/I
X
D
J
P
h
a
n
e
r
o
g
a
n
1
s
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8/9/2019 NSTSE Class 9 Solved Paper 2010
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•
CL
S
S :
IX
7
5.
W
hic
h
o
f th
e fo
llo
w
ing
a
re
th
e
w
ay
s o f
co
ns
erv
in
g a
nd
p
re
ser
vi
ng
th
e E
ar
th
s na
tu
ra
l
re
sou
rc
es?
I.
ec
yde
wa
ste
s
II
.
U
se
ate
rn
ativ
ee
ne
rgy
sou
rc
es
I l l.
C
u
rb
th
e wa
st
ag
e
of
n
on
-
ren
ew
c t>
le
ndu
rd
res
our
ces
(A
) I
and
II o
nly
(C
) II
and
II
I onl
y
(B )
I a
nd I
II
o
n
l
y
(D
) I ,
I
I
a
nd
II
I
7
6.
W
hic
h
of
t
he
fo
llo
w
ing
is
N
O T
a n
at
ur
al
w
ay
of
d
es
tro
yin
g
ba
ct
eri
al
inf
ec
tio
n?
(A
)
T
he
p r
odu
cti
on of
an
ti
bod ies
(B )
Th
e
pr
o
du
ction of gastr ic
jui
ces
(C )
Th
e pro
du
ctio
n
of an
t
i
b
iot
ics
(D
)
The p
rod
u ct
ion
of
a
ntito
x in
s
7
7.
Wh
ic
h
o
f t
hes
e
is NO
T
a
n an
im
al
co
nn
ec
tiv
e t
iss
ue
?
78.
ss
er
tio
n
A
):
P
es
tic
ide
s
a
re
use
d
o
nly
wh
en
the
cro
p
is
in
cul
tiv
ati
on
.
Re
as
on
ing
R
):
T
he
y a
re
u
se
d to
d
est
ro
y
dis
ea
se ve
cto
rs
A)
B
.o
th
A
an
d R
are
t
ru
e
an
d
R
is th
e co
rre
ct e
Xp
la n
atio
n o
f
A
B)
B
o
th
A
a
n
d
R
a
re
tr
ue
, h
u t R
is
not
t
he
c
or
rect
ex
plan
a
t
i
on
of
A
(
C)
A
is
true
,
R
is
fals
e
(
D)
A
is
f a
lso
,
R is
tru
e
7
9.
In
m
os
t.
of
th
e A
sc
he
lm
int
he
s,
res
pi
rat
ory
an
d
c
irc
ula
to
ry
systems
are
absent.
W hy?
(A )
They
c
a
n ab
s
orb
oxy
ge
n
di
rnc
tJy
from
a
i
r
(JU
l
tw
y d
o n
ot h
a
ve
f
lu i
ds i
n t
he
ir
b
ody
t
o ci
rcu
la
te
( (
1
)
J
ht
•y
m
ost
l
y
p
ara
s it
es ,
an
d
u se
t he
t w
o
sy
ste
ms
fro
m
t1
h tr
hoM
t
·
(D
) T
hey
d o
n ul
rnw
d o
xyg
en
to
li
ve
U
C
N
/
2
1
0/IX
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8/9/2019 NSTSE Class 9 Solved Paper 2010
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CLA
SS
:I
X
Uni f ied C ou
.cl l
80.
Which
of the follo
wing
tiss
ues trnn
HportY
material
s n
plants as
w
ell as
pro
vides
me
chanic
al suppor
t?
~ ~
_: ?
G
0
0
(
A)
(B )
C)
D
)
G
81.
The diagr
am shows
an ex
periment on
diffusio
n.
More
sugar
diffuses
out
of the
bag than
diffuses
in
.
What
is the concen
tration
of
su
gar in soluti
on X?
(A
) 10
(B)
20
(C)30
(D) 4
0
82
. Th
e
diag
raln s
hows how
Ho
mo
sa
piens modern
people)
could have
ev
olved from
their
an
cestors.
H o m o
sapiens {m od
ern people)
· H o m o nean
derthalensis
Homo hab
il ls vety early pe
ople)
A)
T
he
y
are
in the s
ame spec
ies
and
same
genus
B) h
ey
are
in t
he
same
sp
ecies
bu
t not th
e same g
enus
C)
Th
ey are in
the same g
enus but not
the
sam
e s
cies
D) he
y a
re
neither in
the same
s pecies nor in
the same g
enus
U C N 201
0 IX
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18/22
USS X
88. T
he fo
llowing sym
ptoms were obs
erved in
a
patie
nt.
Swollen
lymphglmds
Decreased
thrombocyte
ex unt
Deaeased
lmmun ity i ld
weight loss
Which of
the
following
could
be t
he
r
eason for
the spread
of th
e
d
isease wi
th
th
e abo
ve symp
toms?
A)
o
ntaminated fo
od and wate
r
B) Inh
aling inject
ed droplets
re leased by
injec ted per
son
C) Transf
usion ofbloo
d from infe
cted person
to h ealthy p
erson
D
) T hrough in
fected mosq
uito bite
84. The
figure giv
en below sho
ws a part
of carbon
cycle.
P Q
Ran
dS r carbon
o m
p o u n d s ~
C J
Burnin
g
Ph
otosynthesis
Reepi
talio
n
J-----. Feeding
-:--- .
Q
R __D
ea th
ha
t is P?
A)Ca
rlxmrompou
ndsinanimals
B) Carbon
co mpounds
in
plants
C)
C arbon d1o
xide in t
he
a
ir D) Coal
and oil
85.
Ne
ha
observed
the fol
lowing observat
ions while
looking
into
a
perma
nent slide.
·
Cells ar e
ong
and cyl in
dr ical
L igh
t and d rk ba
nd s are prese
nt
giving
str i
a ted appearan
ce
I t
wou
ld be o
slide of:
A
)
sk
eletal m
u
scl
e fibre
C) li
gament
·U C N 2010 I
X
B) sm
ooth muscl
e fibre
D)
vis
cera l muscl
e
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CL
ASS : IX
nffted ouncil
86
. Whi
ch of the follow
ing
is
a
result
of
natu
t·al selection?
A)
Seedle
ss grapes
B) Insecti
cide -
resis
tant
m osqu ito
es
C) D ise se - r es
istant
crop plants
D )
Ca
ttle fo
r
hi
gh milk
yield
87. Ap
plication
of
nitrog
enous man
ure to
a plant
ca
uses:
A) ea
rly flow e
r ing
B) g
rowth retard
ation
d
ue to
. t oxicity
o
f
aJ?ffionia
C)
ea
rly fr
u i t ing
D ) vig
oro
us
vege
tat ive grow t
h
8
8.
T
he c
hromosom
es
whic
h are
presen
t
in the
neurons
of a
m
ale
hum.a
n
ar
e:
(A )
44
XX
(B ) 22 Y
C)22+X
(D ) 4
4+XY
89. W
hich of
the
part
label
led
in
the figur
e g
iven above
a
cts
a
s a nerve
insulator beside
s providi
ng nu
trients for
the
de
ndrite and
ax
on?
A)
P
C)R
p
B)
Q
D)S
90.
Why
are hou
seflies NOT c
onsidered to
b
e
b{
Qlogical vectors?
' ' ·
A)
T hey
do
n
ot
sp
read
dise ses
B) They do
not transmit
the d isea
se-caus ing o
rg ni
sm
dir
ect ly
into
our
body
C) T he
y
are
parasites a
nd not
vectors
D
)
N one of these
U C N
/ 2 0 1 0 /
IX
I
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20/22
C
LASS
X
GENE
RAL QUES
TIONS
91.
Which
figure sh
ould com
e next in
the series
give
n
be
low?
A
+
A ) C £
.
B)
A
-
C ) t£
92.
A
s
the
leaf of
w
hich tree
is the Bhar
at Ratn
a
de
signed?
A) P eepal.
B)
M
ango
C) L
ot
u s
D ) N eem
. 93.
Who
among
the
following
was
the
inventor
of
Barbie
Doll?
A )
J a
ck Rij
an
B ) J
ohn
W
hite
C) Ruth
Handl
e
r
D )
James
G
ate
94.
Which
musical
instrume
nt
was
Albert
Einstein
proficien
t
at playin
g?
A )
V
iolin
B) P
l
ano
C) Flu
te
D)
i
tar
95.
In
In
dia Who ·
among th
e follow
ing app
oints the chief
election
comm
issioner?
A) Preside
nt
B) P
rime Minister
C) Chief
J ustice
of the Supr
em
e
C
o
urt
D)
Ch
ief M
inister
96
.
Find
th
e
number in the
followin
g sequence
whi
ch does
no
t
foll
ow th
e pattern
of the
series.
99, 51
27,1
5,
9
7
A
)27
B ) 15
C)9
D ) 7
U C N/2 0 1 0 / IX
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c
;
L A
S
s
:
t
X
U
n
lf
l• d
C
o
un
c
il
9
7
.
W
h
ic
h
o
f·
t
h
e
f
ol
lo
w
i
n
g
s
h
ou
l
d
c
o
m
e
n
ex
t
i
n
t
h
e
s
er
i
es
g
iv
e
n
b
e
lo
w
?
c
B
D
G
,
G
D
F
ir
E
F
H
K
r
A
)
G
H
J
M
C
) I
D
M
N
B
)H
I
L
N
D
)
IK
M
l
9
8
.
W
h
i
ch
fa
m
o
u
s
ar
c
h
it
ec
t
d
es
ig
n
e
d
th
e
B
a
h
a
i L
o
t
u
s
T
e
m
p
le
a
t
N
ew
D
e
l
hi
?
A
)
L
e
C
o
rb
u
si
r
C
)
L
a
u r
ie
B
a
k
er
B
)
E
dw
i
n
L
ut
y
en
s
D
)
F
a
ri
b
or
z
S
ah
b
a
9
9
.
I
n
w
h
i
ch
y
e
ar
d
id
In
d
ia
b
ec
o
m
e
a
m
e
m
b
e
r
o
f t
h
e U
N
?
A
)
194
5
C
) 1
9
51
B)
19
47
D
)
1
95
3
1
0
0
. W
h
ic
h
o
f
th
e
f
ol
l
ow
in
g
i
s
N
O
T
a
g
eo
g
r
a
p
h
ic
a
r
e
a
s
y
m
b
o
li
ze
d
by
t
h
e
c
i
rc
le
s
o
n
th
e
O
l
y
m
p
ic
fl
ag
?
A
)
A
s
ia
B
)
A
u
s
tra
li
a
C
) A
m
e
r
ic
a
D
) R
u
ss
ia
..
U
C
N
2
0
1
0
/
IX
m
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22/22
K Y
FOR THI; _Q.·P. 201 0.
1
B
2
D
3
A
4 A 5
D
6 B 7. D
8
A
9
c
10 D
11
c
12. B
13
c
14. A 15. D 16.
c
17.
c
18. A
19. c 20.
0
21. B
22. B
23. c 24. A
25. A 26. A 27. c 28. D
29 D 30. B
31. D
32. 8
33 c
34. A 35. A 36. A 37. B 38. c 39. 0 40. A
41. 0
42 . A 43. B
44
c
45. D 46.
0
47. c 48.
0
49. B 50. D 51. c 52. B 53.
0
54. A 55 c 56. A
57. A 58. c 59. D
60. 8 61 . A 62. B
63. B
64. c
65 . D 66. c 67. D
68.
c
69 B 70. A 71.
c
72.
c
73
D 74. A
75
D 76.
c
77
c
78
A 79.
c
80
8
81. A 82. c 83. c
84. c 85 A 86. B 87.
0
88.
0
89. D 90 . B 91. D 92. A 93 c 94. A 95. A 96. D
97. A
98. D
99. A 100.D
