SCIENCE INSTITUTE
SCHOLARSHIP EXAMINATION (SSE - 2020)
FOR 10
th
STANDARD STUDENTS JANUARY - 2020
1 The question booklet will be sealed at the middle of the right margin. candidates should not open the question booklet until
the long bell is rung at 10.30 am to start answering.
(10.30
am
\v
Long Bell
tI«-Xn\v tijw am{Xta
Question paper seal
s]m«n¡m³ ]mSp-Åq)
2. Write your name and roll number in the specific column given under the first page of question paper (\n§-fpsS t]cpw tdmÄ
\¼dpw Xmsg AXn-\mbn X¶n-«pÅ Øe¯v FgpXpI).
3. White paper, Logarithm Table, Slide ruler, Calculator, Mobile Phone & other Electronic devices etc.. will not be allowed to
bring in the examination hall ( t]¸À, temK-cn-Xw tS_nÄ, ssÉUv dqfÀ, Im¡p-te-äÀ, samss_ t^m¬, Ce-Ivt{Sm-
WnIvkv kwhn-[m-\-§-fpsS aäp cq]-§Ä F¶nh ]co£m lmfn A\p-h-Z-\o-b-a-Ã).
4. 80 qeustions are given in the question paper (Cu tNmZy-t]-¸-dn 80 tNmZy-§-fp-m-bn-cn-¡pw).
5. Each correct answer carries 1 mark. There is no negative mark. Even though there is no negative mark for wrong answer,
ranks will be given considering the minimum number of wrong answers ( CXn Hmtcm icn-bp-¯-c-¯n\pw 1 amÀ¡v Bbn-
cn-¡pw. sXämb D¯-c-¯n\v negative mark Dm-bn-cn-¡p-¶-X-Ã.
sXämb D¯-c-¯n\v
negative mark
CsÃ-¦nepw sXämb
D¯-c-§-fpsS F®-¯n-epÅ Ipdhv ]cn-K-Wn¨v sImm-bn-cn¡pw dm¦p-IÄ \ÂI-s¸-Sp-¶-Xv.)
6. Questions are given in English and Malayalam.
(English Medium
hnZymÀ°n-IÄ¡v
Question
Cw¥ojnepw
Malayalam Medium
hnZymÀ°n-IÄ¡v
Question
ae-bmf¯nepw \ÂIn-bn-cn-¡p-¶p.)
7. There is only one correct answer for any questions choose the correct one from the given choices.
(X¶n-cn-¡p¶ D¯-c-§-fn icn-bmb D¯cw H¶p am{Xambn-cn-¡pw. AXv sXc-sª-Sp¯p \nÝnX \¼-dn\p t\sc-
bpÅ \nÝnX Ipanf am{Xw Idp-¸n-¡p-I).
VERSION CODE
SUBJECT CODE
D
PCM B
hnZymÀ°n-IÄ¡pÅ \nÀt±-i-§Ä
INSTRUCTIONS TO THE STUDENTS
Name:......................................................................................... Roll No.
No. of total questions: 80 Maximum Marks : 80 Time : 2.30 Hours
OMR joänse CS-Xp-`mKw ]qcn-¸n-t¡ hn[w:
METHOD OF FILLING THE LEFT HAND SIDE OF THE OMR
1.
VERSION CODE: Version code is given on the top of the right side of the question paper. Darken the bubbles corresponding
to the version code
(VERSION CODE: Cu t]Pnsâ apI-fn he-Xp-`m-K¯v sImSp¯ Version code s\ kqNn-¸n-¡p¶
Ipanf Idp-¸n-¡p-I).
2. ROLL NUMBER: Write your roll number in the specific column and darken the corresponding bubbles (ROLL NUMBER:
\n§-fpsS tdmÄ \¼À tImf-¯n Fgp-Xp-Ibpw, XmsgbpÅ Ipan-f-IÄ AXn-\-\p-k-cn¨v Idp-¸n-¡p-Ibpw sN¿p-I).
3. DATE: Xn¿Xn 1 2 0 1 2 0 2 0
4. SUBJECT CODE: Darken the bubbles corresponding to the subject code PCMB
(SUBJECT CODE: PCMB F¶v ap{ZWw sNbvX-Xn\v t\sc-bpÅ Ipanf Idp-¸n-¡p-I).
2
VERSION : D
3
SUBJECT CODE : PCMB
Science Institute Manjeri : 0483 2768340 , Perinthalmanna : 04933 223221
1. The x axis divides the line segments joining the points (3,4) ( -6, -8) internally. What is the ratio of
division?
[a] 4 : 3 [b] 2 : 3 [c] 1 : 3
[d] 1 : 2 [e] 3 : 5
2. What is the radius of sphere of maximum size curved out from a cone of radius 6cm and height 8cm
[a] 2cm [b] 3cm [c] 4cm
[d] 5cm [e] 1cm
3. In the figure AB and CD are perpendicular to BC, CD = 40 cm, AB =....................
[a] 20 cm [b] 10cm [c]
40
3
cm
[d]
20
3
cm [e]
10
3
cm
4. m
th
term of an arithmatic sequance is
1
n
and n
th
term is
m
then the sum of first mn term is
[a]
1
mn
[b]
1
2
mn
[c]
1
2
mn
[d]
1
3
mn
[e]
1
mn
5. In the figure, ‘O’ the centre of the circle and AB = 12 cm , BC = 18cm and area of the triangle 180cm
2
.
What is the radius of the circle?
B
A
O
C
[a] 18 cm [b] 12 cm [c] 30cm
[d] 15 cm [e] 60 cm
VERSION : D
4
SUBJECT CODE : PCMB
Science Institute Manjeri : 0483 2768340 , Perinthalmanna : 04933 223221
6. A(3,2) and B ( -2 ,3 ) are two vertices of triangle ABC whose centroid has the coordinate G
5 1
,
3 3
.
Coordinates of C =
[a] (5,1) [b] (1,2) [c] (4, -4)
[d] (- 4, 4) [e] (- 4 ,- 4)
7. In the figure AB, CD are two common tangentsand AB = 11cm and CD = 7cm then the product of
radii is =...............
A
C
B
D
[a] 77cm [b]
11
7
cm [c] 4cm
[d] 18cm [e] 72cm
8 A cone is made by bending a semicircle. Base area of this cone is
2
20
cm
, then curved surface area =
[a] 20
cm
2
[b] 40
cm
2
[c] 10
cm
2
[d] 5
cm
2
[e] 30
cm
2
9. In the figure, ‘O’ is the centre BC is a tangent and
BOD
= 50
0
, What is
BCO
...........
A
B
C
D
O
50
[a] 50 [b] 130 [c] 90
[d] 65 [e] 45
10. If
1
24,
5
x
x y
y
what is xy ?
[a] 100 [b] 40 [c] 80
[d] 60 [e] 5
11. The sum of 5 consecutive natural numbers is 95. How many of these prime numbers?
[a] 1 [b] 2 [c] 3
[d] 4 [e] 5
5
SUBJECT CODE : PCMB
Science Institute Manjeri : 0483 2768340 , Perinthalmanna : 04933 223221
VERSION : D
12. In the figure , AB + DC = 8cm and radius of the circle is 2cm. What is the area of the quadrilateral
ABCD ?
A B
D C
[a] 16cm
2
[b] 8cm
2
[c] 32cm
2
[d] 64cm
2
[e] 34cm
2
13. In the figure , AB = 6cm , BC = 10cm , AC= 8cm. What is the area of the incircle?
A
B
C
6
8
10
[a] 6
cm
2
[b] 8
cm
2
[c] 24
cm
2
[d] 4
cm
2
[e] 12
cm
2
14. Solutions of the equation
2
12 0
x x K
are prime numbers then K = ..............
[a] 5 [b] 13 [c] 35
[d] 7 [e] 11
15. In the figure
0
30
A
,
0
60
B
,
0
90
C
and AC = 30m . What is the length of BC?
A B C
D
30
0
60
0
[a] 15 m [b] 10 m [c] 5 m
[d] 20 m [e]
10 3
m
VERSION : D
6
SUBJECT CODE : PCMB
Science Institute Manjeri : 0483 2768340 , Perinthalmanna : 04933 223221
16. Areas of shaded portions are A, B and C then, what is C - A - B ?
A B
C
16
12
20
[a] 400 [b] 144 [c] 196
[d] 96 [e] 90
17.
5 25,
x y
2
5 625,
y x
what is the number x ?
[a] 0 [b] 1 [c] 2
[d] 3 [e] 5
18.
4 4
15
x y
, x and y are +ve successive integers then x - y = ................
[a] 3 [b] 1 [c] 5
[d] 15 [e]
15
19. In the figure,
0
30
A
, BD = 17cm ,
15 3
AC cm
, then BC = ..............
A B C
30
0
D
17cm
[a]
3 3
cm [b] 8 cm [c] 15 cm
[d] 16 cm [e]
15 3
cm
20. Howmany 4 digit number can be write using the digits 0,1,2,3 without repetition?
[a] 24 [b] 18 [c] 252
[d] 192 [e] 48
VERSION : D
7
SUBJECT CODE : PCMB
Science Institute Manjeri : 0483 2768340 , Perinthalmanna : 04933 223221
21. In the figure length and breadth of large rectangle is 9cm and 5cm. 1,2,3 are squares. What is the area
of shaded rectangle ?
1
2
3
9cm
5cm
[a] 4 cm
2
[b] 3 cm
2
[c] 2 cm
2
[d] 1 cm
2
[e] 1.5 cm
2
22. A box contains 20 pens, out of which 4 is defective, Two pens are chosen random from this box. The
probability that at least one of these is defective
[a]
4
19
[b]
2
19
[c]
12
19
[d]
21
95
[e] None of these
23. Two dices are tossed. The probability that the total score is a prime number is
[a]
1
6
[b]
5
12
[c]
1
2
[d]
7
9
[e]
1
36
24. 30% of x = 40 % of 30 then what is x ?
[a] 30 [b] 40 [c] 70
[d] 10 [e] 20
25.
10 25 108 154 225
= ....
[a] 4 [b]6 [c] 8
[d] 10 [e] 15
26. A bag contains ‘x’ red balls x + 5 blue balls and 3x + 10 white balls. If the probability of drawing white
balls is
11
18
. What is the number of blue balls
[a] 15 [b] 20 [c] 35
[d] 55 [e] 40
VERSION : D
8
SUBJECT CODE : PCMB
Science Institute Manjeri : 0483 2768340 , Perinthalmanna : 04933 223221
27. If each side of a square is increased by 25%. What is the percentage change in its area =.............
[a] 50% [b] 25% [c] 12.5%
[d] 30% [e] 56.25%
28. One perpendicular side of a right triangle is twice the other, and the hypotenuse is 10cm.
Area of this triangle is
[a] 20cm
2
[b]
2
1
33
3
cm
[c] 40cm
2
[d] 5cm
2
[e] 50cm
2
29. In the figure, AB = AC, BC = 8 cm perimeter of
ABC
is 18 cm. Find its area ?
A
B
C
D
[a] 12 cm
2
[b] 24 cm
2
[c] 10 cm
2
[d] 5 cm
2
[e] 4 cm
2
30. Length of the sides of a right triangle are the consecutive terms of an arithmatic sequances with common
difference 2. Then one of the side length is .................
[a] 3cm [b] 4 cm [c] 6 cm
[d] 8 cm [e] 9 cm
31. In the figure, AB = BD = AD= DC , then x = ..................
[a]
0
15
[b]
0
35
[c]
0
45
[d]
0
30
[e]
0
60
32. If volume of a cone is same as the volume of hemisphere and their radii are same, then ratio of height
of cone to radius of hemisphere ..............
[a] 2 : 1 [b] 1 : 2 [c] 1 : 1
[d] 2 : 2 [e] 1 : 3
VERSION : D
9
SUBJECT CODE : PCMB
Science Institute Manjeri : 0483 2768340 , Perinthalmanna : 04933 223221
33. A polygon has 35 diagonals, then number of sides =...........
[a] 4 [b] 6 [c] 7
[d] 8 [e] 10
34. If the radius of sphere is increased by 2cm, then its surface area increased by 112
cm
2
. The radius of
the sphere before the increment was..............
[a] 3cm [b] 4cm [c] 5cm
[d] 6cm [e] 7cm
35. BC is a diameter of the semicircle and ‘O’ is the centre, Given
POQ
= 140
0
,
A
=.............
C
O
Q
B
P
A
[a]10 [b] 20 [c] 30
[d] 40 [e] 70
36. Difference of areas of two squares is 16 and difference of their perimeters is 8 what are the sides of the
squares ?
[a] ( 8,2) [b] ( 4,4) [c] (10,2)
[d] (5,3) [e] (16,8)
37. Difference of sum of first 10terms and next 10 terms of an arithmatic sequance is 200.What is its
common difference?
[a] 10 [b] 2 [c] 20
[d]
200
[e] 1
38.
10
20(20) ...............
[a] 400
10
[b] 40
10
[c] 20
11
[d] 400
100
[e] 20
20
39.
4 4
2 2
11 9
..........
11 9
[a] 69 [b] 20 [c] 40
[d]99 [e] 2
VERSION : D
10
SUBJECT CODE : PCMB
Science Institute Manjeri : 0483 2768340 , Perinthalmanna : 04933 223221
40. In the figure AD is the bisector of
A
and AB = 9cm, BD = 6cm , BC = 8cm then AC = ...............
A
B
C
D
9cm
6cm
8cm
?
[a] 6 cm [b] 3 cm [c] 8 cm
[d] 4.5 cm [e] 1 cm
41. In the figure AB = AC and
DEF
is equilateral then
[a] a + b+ c = 180 [b] a + b = 2c [c] b + c = 2a
[d] a + c = 2b [e] None of these
42. Six equal circles are arranged as in the figure, the height of the triangle is 4cm then the radius of circle is
[a]
3 1
cm [b]
3 1
2
cm [c]
4
3 1
cm
[d]
3
cm [e]
3
+1 cm
VERSION : D 11
SUBJECT CODE : PCMB
Science Institute Manjeri : 0483 2768340 , Perinthalmanna : 04933 223221
43. In the figure of two concentric Circles, two chords AB and AC are drawn to touch the small circle at P
and Q. If AB = 10cm the PQ = ..............
[a] 10 cm [b] 8 cm [c] 5 cm
[d] 6 cm [e] 7 cm
44. Ratio of the sectors radius to the radius of the incircle is 3 : 1, what is the ratio of their areas ?
60
0
[a] 3 : 2 [b] 4 : 3 [c]
3 :1
[d] 2:1 [e] 3:1
45 What is the perimeter of square ABCD ?
CD
B
6cm
8 cm
A
[a]
48
14
cm [b]
96
14
cm [c]
96
7
cm
[d]
7
96
cm [e]
48
7
cm
VERSION : D
12
SUBJECT CODE : PCMB
Science Institute Manjeri : 0483 2768340 , Perinthalmanna : 04933 223221
46. ‘M’ is the midpoint of BC, BC = 4cm AM = 2cm then AB = .............
[a] 4 m [b] 2 cm [c] 6 cm
[d]
3
cm [e] 1 cm
47. In
ABC
,
0
90
A
inradius
8
OP cm
then what is the length of AO ?
[a]
8
cm [b] 3cm [c]
12
cm
[d] 4cm [e]
3 2
cm
48. Diameter and lateral height of a cone are equal. If the radius is 10cm , then what is the height ?
[a] 10cm [b] 20cm [c]
10 3
cm
[d]
10 2
cm [e]
20 2
cm
49. If the height of a cone increased by 200% and radius of base reduced by 50%, then the volume of the
cone is ...........
[a] Remains unaltered [b] Decreased by 25%, [c] Increased by 25%,
[d] Increased by 50%, [e] Decreased by 50%
50. The square given is taken from a calendar. The sum of the dates, D,B and E is 36. What is the number
A ............... ?
A
B
C
D E
[a] 4 [b] 6 [c] 9
[d] 12 [e] 5
VERSION : D
13
SUBJECT CODE : PCMB
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51. The process of converting AC to DC is known as
[a] Amplification [b] Rectification [c] Oscillation
[d] Modulation [e] None of these
52. Which principle of light is used in optical fiber cable ?
[a] Refraction [b] Reflection [c] Total internal reflection
[d] Scattering
[e] None of these
53. If 5A current passes through
500
resistance in
1
25
seconds. Calculate the heat produced in it
[a] 200 joule [b] 300 joule [c] 400 joule
[d] 500 joule [e] None of these
54. Calculate the power of a lense having focal length 25 cm
[a] 2D [b] 4D [c] 2.5D
[d] .25D [e] None of these
55. An electric heater of 3kw is working in 240V. What is the ampirage of the fuse to be used in mains
[a] 15A [b] 10A [c] 5A
[d] 3A [e] None of these
56. A motor cyclist observes a car coming from behind with a magnification
1
6
. If the actual distance
between the car and the bike is 30 m. calculate the radius of curvature of the mirrors
[a] 6m [b] 5m [c] 10m
[d] 12m [e] 15m
57. Three resistors of
2 ,3
and
6
aregiven what is the least resistance that you can get using all of
them
[a] 1
[b] 2
[c] 3
[d] 4
[e] None of these
58. How many images can be seen when the angle between two plane mirror is 60
0
[a] 7 [b] 5 [c] 4
[d] 2 [e] None of these
59. Calculate the resistance of a filament in a bulb marked as 240V, 40W ?
[a]
6
[b]
1440
[c]
960
[d]
240
[e]
40
60. Identify the green energy from the following
[a] Coal [b] Naftha [c] Biogas
[d] Petrolium [e] None of these
61. What is the mass of 4.48L CO
2
at STP ( moelcular mass of H
2
O = 44)
[a] 9g [b] 18g [c] 44g
[d] 88g [e] 8.8g
VERSION : D
14 SUBJECT CODE : PCMB
Science Institute Manjeri : 0483 2768340 , Perinthalmanna : 04933 223221
62. How many H
2
molecules are required to react 8O
2
molecules completely
[a] 10 [b] 14 [c] 16
[d] 8 [e] 4
63. Which statement doesnot belong to ‘d’ block elements
[a] All are metals
[b] Electron filling takes place in the penultimate shell
[c] Form coloured compounds
[d] Show positive and negative oxidation state
[e] Show similarity in groups and also in periods
64. Which of the following metal is refined by liquation
[a] Zinc [b] Copper [c] Cadmium
[d] Tin [e] Silver
65. Which is denatured spirit
[a] Ethanol only [b] Ethanol and Methanol [c] methanol only
[d] Ethanol and petrol [e] Methanol and petrol
66. Which of the following is an acidic oxide
[a] SiO
2
[b] Na
2
O [c] Al
2
O
3
[d] CaO [e] FeO
67. Which of the following will undergo addition reaction
[a] C
2
H
4
[b] C
3
H
8
[c] CH
4
[d] C
2
H
6
[e] C
4
H
10
68. Write the IUPAC name of the compound
CH
3
CH
CH
3
CH
2
CH
2
CH
2
CH
[a] 4 - methyl hex - 2 - ene [b] 3 - methyl hex - 1 - ene [c] 3 - methyl hex - 2 - ene
[d] 4 - methyl hex - 1 - ene [e] None of these
69. Brass is an alloy of
[a] Copper and Tin [b] Nickel and Chromium [c] Copper and Zinc
[d] Iron and cobalt [e] Iron and chromium
70.
2 6 2 2 2
2 7 4 6
C H O CO H O
write the amount of O
2
required to burn 300 g C
2
H
6
completely
[a] 40 mol [b] 35 mol [c] 30 mol
[d] 32.5 mol [e] 29.5 mol
71 . Lack of thyroxine in adults leads to ............
[a] Goiter [b] Gigantism [c] Mixoedema
[d] Acromegaly [e] Diabetes
Science Institute Manjeri : 0483 2768340 , Perinthalmanna : 04933 223221
72. Which of the following is a pair of viraldiseases
[a] Common cold, dysentry [b] Hepatitis, Dysentry [c] Ring worm, AIDS
[d] Common cold ,AIDS [e] Typhoid, Tuberculosis
73. ......................... Provides oxygen and nourishment to the tissues of the eye
[a] Tissue fluid [b] Pericardial fluid [c] Aqueous humor
[d] Plural fluid [e] Vitreous humor
74. The hormone, which convers the glocose in to glycogen
[a] Glucogon [b] Auxin [c] Thyroxine
[d] Insulin [e] Adrenaline
75. Cancer treatment
[a] Cardiology [b] Neurology [c] Oncology
[d] Palaentology [e] Ophthalmology
76. A gene that controls a charactor has different forms are called
[a] Nucleus [b] Chromosome [c] Alleles
[d] RNA [e] Chromatin recticulum
77. The complete genetics material presents in an organism is called .....................
[a] Genome project [b] Genome [c] Gene therapy
[d] Genotype [e] Gene
78. The technology that controls traits of organism by bringing about desirable changes in their genetics
constituion
[a] Genetics [b] Mutation [c] Gene theraphy
[d] Organic evolution [e] Genetic engineering
79. The cradle of human evolution is
[a] Asia [b] Africa [c] South America
[d] Europe [e] Australia
80. All the following occur due to a part of the hind brain called cerebellum except
[a] Vomitting [b] Walking in a straight line [c] Riding a bicycle
[d] Picking up a pencil [e] Gigantism
VERSION : D
15 SUBJECT CODE : PCMB
Space for Rough Work