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Objective Questions

Latest UKSSSC Scaler Exam Question (Objective Questions), MCQ in English

Subjects : General Science, Mathematics

Question Bank UKSSSC Scaler Exam - English

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General Science

Question 1Single Answer

Temperature can be expressed as derived quantity in terms of

A
length and mass
B
mass and time
C
length, mass and time
D
None of these

Question 2Single Answer

Electron volt is a unit of

A
potential difference
B
charge
C
energy
D
capacity

Question 3Single Answer

Dimensions of impulse are

A
[MLT ^–1]
B
[MLT²]
C
[MT^–2]
D
[ML^–1T^–3]

Question 4Single Answer

Potential is measured in

A
joule/coulomb
B
watt/coulomb
C
newton–second
D
None of these

Question 5Single Answer

One Nanometer is equal to

A
10^–9m
B
10^–6m
C
10^–10m
D
10^–3m

Question 6Single Answer

Maxwell is the unit of

A
magnetic susceptibility
B
intensity of Magnetisation
C
magnetic Flux
D
magnetic Permeability

Question 7Single Answer

Which of the following is derived physical quantity ?

A
Mass
B
Velocity
C
Length
D
Time

Question 8Single Answer

What are the units of magnetic permeability ?

A
Wb A^–1 m^–1
B
Wb^–1 Am
C
Wb A m^–1
D
Wb A^–1 m

Question 9Single Answer

The dimensions of pressure gradient are

A
[ML^–2 T^–2]
B
[ML^–2 T^–1]
C
[ML^–1 T^–1]
D
[ML^–1 T^–2]

Question 10Single Answer

The dimensions of Rydberg's constant are

A
[M⁰L^–1T]
B
[MLT^–1]
C
[M⁰L^–1T⁰]
D
[ML⁰T²]

Question 11Single Answer

'Farad' is the unit of

A
resistance
B
conductance
C
capacitance
D
inductance

Question 12Single Answer

S.I. unit of surface tension is

A
degree/cm
B
N/m
C
N/m²
D
Nm

Question 13Single Answer

Which one of the following pairs does not have the same dimension ?

A
Potential energy and Kinetic energy
B
Density and specific gravity
C
Focal length and height
D
Gravitational force and frictional force

Question 14Single Answer

Which one of the following physical quantity has the same unit as that of pressure ?

A
Angular momentum
B
Stress
C
Strain
D
Work

Question 15Single Answer

The symbol of SI unit of inductance is H. It stands for

A
Holm
B
Halogen
C
Henry
D
Hertz

Question 16Single Answer

Light year is a measure of

A
time
B
distance
C
total amount of light falling on the Earth in a year
D
average intensity of light falling on the Earth in a year

Question 17Single Answer

Which one of the following is not a dimension less quantity ?

A
Strain
B
Relative density
C
Frequency
D
Angle

Question 18Single Answer

Which of the following is not a synthetic fibre:

A
Anygora
B
Rayon
C
Nylon
D
Polyster

Question 19Single Answer

Which one of the following is not contained in Portland cement ?

A
Ca₃Al₂O₆
B
Ca₃SiO₅
C
Ca₂SiO₄
D
Ca₃(PO₄)₂

Question 20Single Answer

What is the reson for white cement to be white ?

A
It does not contain carbon
B
It does not contain silicon
C
It does not contain iron
D
It does not contain calcium

Question 21Single Answer

Which fertilizer is assimilated directly by the plant ?

A
Super phosphate
B
Nitrolim
C
Muriate of Potash
D
Humus

Question 22Single Answer

Which of the following chemicals is used in foam fire extinguishers ?

A
Aluminium sulphate
B
Copper sulphate
C
Cobalt sulphate
D
Nickel sulphate

Question 23Single Answer

What is a mixture of potassium nitrate, powdered charcoal and sulphur called ?

A
Glass
B
Cement
C
paint
D
Gun powder

Question 24Single Answer

Which one of the following chemicals is used in beauty parlours for hair – setting ?

A
Sulphur based
B
Phosphorus based
C
Silicon based
D
Iron based

Question 25Single Answer

Which one of the following is used as a mordant in dyeing and tanning industry ?

A
Magnesium oxide
B
Magnesium carbonate
C
Magnesium chloride
D
Magnesium sulphate

Question 26Single Answer

Which one of the following substances is used in the manufacture of safety matches ?

A
Red phosphorus
B
White phosphorus
C
Phosphorus trioxide (P₂O₃)
D
Black phosphorus

Question 27Single Answer

Which one of the following polymeric materials is used for making bullet proof jacket ?

A
Nylon –6, 6
B
Rayon
C
Kevlar
D
Dacron

Question 28Single Answer

Which one of the following is another name of RDX

A
Cyanohydrin
B
Dextran
C
Cyclohexane
D
Cyclonite

Question 29Single Answer

Which one of the following is used as an explosive ?

A
Phosphorus trichloride
B
Mercuric oxide
C
Graphite
D
Nitroglycerine

Question 30Single Answer

Flint glass is obtained from which of the following ?

A
Zinc and barium borosilicate
B
Sand, red lead and potassium carbonate
C
Sodium aluminium borosilicate
D
Pure silica and zinc oxide

Question 31Single Answer

Which one of the following correctly defines the state of glass ?

A
Crystalline solid
B
Super cooled liquid
C
Condensed gas
D
Liquid crystal

Question 32Single Answer

Which one of the following is not used as fertilizer ?

A
Ammonium nitrate
B
Ammonium sulphide
C
Ammonium phosphate
D
Ammonium sulphate

Question 33Single Answer

Which one of the following elements is needed in the human body to transfer electrical signals by nerve cells ?

A
Lithium
B
Sodium
C
Rubidium
D
Caesium

Question 34Single Answer

Which one of the following is NOT true for bleaching powder ?

A
It is used as a reducing agent in chemical industries
B
It is used for bleaching wood pup in paper factories
C
It is used for disinfecting drinking water
D
It is used for bleaching linen in textile industry

Question 35Single Answer

Which of the following contain enzymes for cellular respiration ?

A
Dictyosomes
B
Endoplasmic reticulum
C
lysosomes
D
Mitochondria

Question 36Single Answer

Which one among the following nutrients is a strctural

A
Cell membrane
B
Plasma membrane
C
Cell wall
D
Nucleus

Question 37Single Answer

Which one among the following nutrients is a structural component of the cell wall of plants ?

A
Manganese
B
Potassium
C
Phosphorus
D
Calcium

Question 38Single Answer

Which of the following groups is present in animal cells ?

A
Mitochondria, Cell membrane, Cell wall, Cytoplasm
B
Chloroplasts, Cytoplasm, Vacuole, Nucleus
C
Nucleus, Cell membrane, Mitochondria, Cytoplasm
D
Vacuole, cell membrane, Nucleus, Mitochondria

Question 39Single Answer

For which among the following is not a true fruit ?

A
Apple
B
Date
C
Grape
D
Plum

Question 40Single Answer

Which one of the following is not a constituent of cell membrane ?

A
Cholesterol
B
Glycoplids
C
Proline
D
Phospholipids

Question 41Single Answer

The replication of DNA is a pre-requisite for a eukaryotic cell to undergo division. During the cell cycle, the DNA replicates in

A
S–phase
B
G₁–phase
C
G₂–phase
D
M-phase

Question 42Single Answer

During which stage of mitosis does cytokinesis usually occur in animals ?

A
Phophase
B
Metaphase
C
Anaphase
D
Telophase

Question 43Single Answer

Lysosome arises from

A
endoplasmic reticulum
B
golgi apparatus
C
nucleus
D
mitochondria

Question 44Single Answer

The correct sequence of cell cycle is

A
S, G₁, G₂, M
B
S, M, G₁, G₂
C
G₁, S, G₂, M
D
M, G₁, G₂, S

Question 45Single Answer

Biological membranes are composed of

A
40% proteins and 60% lipids
B
50% proteins and 50% lipids
C
70% proteins and 30% lipids
D
60% proteins and 40% lipids

Question 46Single Answer

F1 particles / oxysome / elementary particles are present in

A
endoplasmic reticulum
B
chloroplast
C
mitochondria
D
golgi complex

Question 47Single Answer

"Endomitosis" refers to

A
division of nucleus without chromosomal division
B
division of chromosome without nuclear division
C
division of cytoplasm
D
None of the above

Question 48Single Answer

When the concentration of water and solutes on either side of the cell membrane is same, the solution is said to be

A
hypertonic
B
isotonic
C
hypotonic
D
None of these

Question 49Single Answer

The function of nucleous is the synthesis of

A
DNA
B
m - RNA
C
r- RNA
D
t - RNA

Question 50Single Answer

Mesosome in a bacterial cell is

A
plasmid
B
connection between two cells
C
plasma membrane infolded for respiration
D
None of these

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Mathematics

Question 51Single Answer

In a ||gm ABCD, if P and Q are midpoints of AB and CD respectively and ar(||gm ABCD) = 16cm2, then ar(||gm APQD) = ?

A
8cm²
B
12cm²
C
6cm²
D
9cm²

Question 52Single Answer

ABCD is quadrilateral whose diagonal AC divides it into two parts, equal in area, then ABCD .

A
Is a rectangles.
B
Is a rhombus.
C
Is a parallelogram.
D
Need not be any of (a), (b) or (c).

Question 53Single Answer

. In which of the following figures, you find two polygons on the same base and between the same parallels ?

Question 54Single Answer

ABCD is a trapezium with parallel sides AB = a cm and DC = b cm. E and F are the mid-points of the non-parallel sides. The ratio of ar (ABFE) to ar (EFCD) is :

A
(3a + b) : (a + 3b)
B
(2a + b) : (3a + b)
C
a : b
D
(a + 3b) : (3a + b)

Question 55Single Answer

ABCD is a parallelogram in which DC is produced to P such that DC = CP. AP intersects BC at Q. If ar(△BQD) = 3cm2, then ar(||ABCD) is :

A
9cm²
B
6cm²
C
15cm²
D
12cm²

Question 56Single Answer

In figure, ABCD is a parallelogram. If AB = 12cm, AE = 7.5cm, CF = 15cm, then AD =

A
3cm
B
6cm
C
8cm
D
10.5cm

Question 57Single Answer

. Given below are the measurements of a parallelogram. Find the missing measurement. Area = 90 square cm, Base = 5cm, Height = ?

A
450cm
B
15cm
C
18cm
D
85cm

Question 58Single Answer

PQRS is a trapezium with PQ || SR. A line parallel to PR intersects PQ at X and QR at Y. If ar(△PYR) 5cm2,then ar(△PXS) is :

A
5cm²
B
2.5cm²
C
10cm²
D
7.5cm²

Question 59Single Answer

A triangle has an area of 45 square foot. Base of the triangle is 9 foot. What is corresponding height of triangle .

A
40 square foot
B
5 foot
C
10 feet
D
90 foot

Question 60Single Answer

The area of ||gm ABCD is :

A
AB × BM
B
BC × BN
C
DC × DL
D
AD × DL

Question 61Single Answer

AP || BQ || CR if ar(△AQC) = 17cm2, then ar(△PBR) is :

A
8.5cm²
B
34cm²
C
17cm²
D
25.5cm²

Question 62Single Answer

In the given figure, ABCD is a rectangle inscribed in a quadrant of a circle of radius 10cm. If AD = 2√5cm then area of the rectangle is :

A
32cm²
B
40cm²
C
44cm²
D
48cm²

Question 63Single Answer

In given figure ABCD and AGEF are parallelograms. If ar(|| AGEF) = 27cm2, then ar(△ADG) + ar(△GCB) is :

A
9cm²
B
27cm²
C
18cm²
D
13.5cm²

Question 64Single Answer

In a △ABC if D and E are mid-points of BC and AD respectively such that ar(△AEC) = 4cm2, then ar(△BEC) =

A
4cm²
B
6cm²
C
8cm²
D
12cm²

Question 65Single Answer

The midpoints of the sides of a triangle along with any of the vertices as the fourth point makes a parallelogram of area equal to .

A
1/2 (ar△ABC)
B
1/2 (ar△ABC)
C
1/2 (ar△ABC)
D
(ar△ABC)

Question 66Single Answer

The median of triangle divides it into two :

A
Isosceles triangles
B
Right triangles.
C
Congruent triangles.
D
Triangles of equal area

Question 67Single Answer

ABCD, ABEF and AGHF are parallelograms. If ar(ABCD) = 23cm2, then ar(FGH) is :

A
12cm²
B
11.5cm²
C
23cm²
D
12.5cm²

Question 68Single Answer

In the given figure ABCD is a parallelogram and its area is 64cm2. If P is any point in the interior of ||ABCD, then ar(△APD) + ar(△PBC) is equal to :

A
64cm²
B
32cm^₂
C
16cm²
D
48cm²

Question 69Single Answer

In the figure, parallelogram ABEF and rectangle ABCD have the same base AB and equal area. If AB = x, BC = y and BE = z, then .

A
x + y = x + z
B
x + y < x + z
C
x + z < x + y
D
2(x + y) > 2(x + z)

Question 70Single Answer

Out of the following given figures which are on the same base but not between the same parallels ?

Question 71Single Answer

In the figure, PQRS is a parallelogram, PM⊥RS and RN⊥PS. If PQ = 12cm, PM = 6cm and RN = 8cm, then the length of PS is equal to :

A
12cm
B
9cm
C
4cm
D
18cm

Question 72Single Answer

In the given figure, a ||gm ABCD and a rectangle ABEF are of equal area. Then,

A
Perimeter of ABCD = perimeter of ABEF
B
Perimeter of ABCD < perimeter of ABEF
C
Perimeter of ABCD > perimeter of ABEF
D
4. Perimeter of ABCD = 1/2 (perimeter of ABEF)

Question 73Single Answer

The area of a rhombus is equal to of the product of its two diagonals .

A
1/3
B
1/4
C
1/2
D
None

Question 74Single Answer

Which of the following is a false statement ?

A
1. If the diagonals of a rhombus are 18cm and 14cm, then its area is 126cm²
B
Area of a ||gm = 3/2 × base × corresponding height.
C
A parallelogram and a rectangle on the same base and between the same parallels are equal in area.
D
If the area of a ||gm with one side 24cm and corresponding height h cm is 192cm2, then h = 8cm.

Question 75Single Answer

If a triangle and a Parallelogram are on the same base and between the same parallel, the area of the triangle is equal to that of ||gram .

A
1/4
B
1/2
C
None of these
D
1/3

Question 76Single Answer

The areas of two concentric circles are 1386 cm² and 962.5 cm² The width of the ring is :

A
2.8 cm
B
3.5 cm
C
4.2 cm
D
3.8 cm

Question 77Single Answer

If π is taken as

, the distance (in metres) covered by a wheel of diameter 35 cm, in onerevolution, is :

A
2.2
B
1.1
C
9.625
D
96.25

Question 78Single Answer

If the circumference and the area of a circle are numerically equal, then diameter of the circle is :

A
B
2π
C
3. 2
D
4. 4

Question 79Single Answer

The radius of a wheel is 0.25m. The number of revolutions it will make to travel a distance of 11km will be :

A
2800
B
4000
C
5500
D
7000

Question 80Single Answer

The area of the incircle of an equilateral triangle of side 42 cm is :

A
22 cm²
B
231 cm²
C
462cm²
D
924cm²

Question 81Single Answer

The area of a sector whose perimeter is four times its radius r units, is :

A
sq. units
B
2r² sq. units
C
r² sq. units
D
sq. units

Question 82Single Answer

If a wire is bent into the shape of a square, then the area of the square is 81 cm² When wire is bent into a semi- circular shape, then the area of the semi-circle will be :

A
22 cm²
B
44 cm²
C
77 cm²
D
154 cm²

Question 83Single Answer

If a wire is bent into the shape of a square, then the area of the square is 81 cm² When wire is bent into a semi- circular shape, then the area of the semi-circle will be :

A
22 cm²
B
44 cm²
C
77 cm²
D
154 cm²

Question 84Single Answer

Choose the correct answer from the given four options :
The area of the circle that can be inscribed in a square of side 6cm is :

A
36π cm²
B
18π cm²
C
12π cm²
D
9π cm²

Question 85Single Answer

The areas of two circles are in the ratio 9 : 4. The ratio of their circumferences is :

A
3 : 2
B
4 : 9
C
2 : 3
D
81 : 16

Question 86Single Answer

If the circumference of a circle and the perimeter of a square are equal, then :

A
Area of the circle = Area of the square
B
Area of the circle < Area of the square
C
Area of the circle > Area of the square
D
Nothing definite can be said

Question 87Single Answer

Choose the correct answer from the given four options :
The radius of a circle whose circumference is equal to the sum of the circumferences of two circles of diameters 36 cm and 20 cm is :

A
56 cm
B
42 cm
C
28 cm
D
16 cm

Question 88Single Answer

In the given figure, a square OABC has been inscribed in the quadrant OPBQ. If OA = 20 cm, then the area of the shaded region is :

A
214 cm²
B
228 cm²
C
242 cm²
D
248 cm²

Question 89Single Answer

If the area of a sector of a circle bounded by an arc of length 5π cm is equal to 20 π cm², then its radius is :

A
12 cm
B
16 cm
C
8 cm
D
10 cm

Question 90Single Answer

ABCD is a square of side 4cm. If E is a point in the interior of the square such that △CED is equilateral, then area of △ACE is :

A
− 1cm²
B
− 1cm²
C
− 1cm²
D
− 1cm²

Question 91Single Answer

If the difference between the circumference and radius of a circle is 37cm, then its area is :

A
154 cm²
B
160 cm²
C
200 cm²
D
150 cm²

Question 92Single Answer

Choose the correct answer from the given four options :
The area of the square that can be inscribed in a circle of radius 8 cm is :

A
256 cm²
B
128 cm²
C
cm²
D
64 cm²

Question 93Single Answer

A chord of a circle of radius 10 cm subtends a right angle at the centre. The area of the minor segments (given, π = 3.14) is :

A
32.5 cm²
B
34.5 cm²
C
28.5 cm²
D
30.5 cm²

Question 94Single Answer

If a chord of a circle of radius 28 cm makes an angle of 90° at the centre, then the area of the major segment is :

A
392 cm²
B
1456 cm²
C
1848 cm²
D
2240 cm²

Question 95Single Answer

The area of the circle that can be inscribed in a square of side 10 cm is :

A
40π cm²
B
30π cm²
C
100π cm²
D
25π cm²

Question 96Single Answer

If the perimeter of a square is equal to the circumference of a circle then the ratio of their areas is :

A
4 : π
B
π : 4
C
π : 7
D
7 : π

Question 97Single Answer

In making 1000 revolutions, a wheel covers 88km. The diameter of the wheel is :

A
14m
B
24m
C
28m
D
40m

Question 98Single Answer

If the area of a sector of a circle is 5 of the area of the circle, then the sector angle is equal to :

A
60º
B
90º
C
100º
D
120º

Question 99Single Answer

A circular park has a path of uniform width around it. The difference betweenthe outer and inner circumferences of the circular path is132 m Its width is :

A
20m
B
21m
C
22m
D
24m

Question 100Single Answer

On increasing the diameter of a circle by 40%, its area will be increased by :

A
40%
B
80%
C
96%
D
82%

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Latest UKSSSC Scaler Exam Question (Objective Questions), MCQ in English

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