Edudigm Aptitude Assessment Test
Page 1
1. A box kept on a rough surface is pressed from the top. While moving the box, we observe that the friction
between the box and the surface ____.
A) increases
B) decreases
C) remains the same D) becomes zero
2. Two unlike charges are separated by a certain distance. The force acting between them is an example for ___
A) contact force, which is a push
B) contact force, which is a pull
C) non-contact force, which is a push
D) non-contact force, which is a pull
3. An object is placed in the fourth square in front of a plane mirror, which is placed on a chess board. The
image of the object is formed behind the plane mirror in the ____ square from the plane mirror.
A) eighth
B) sixth
C) fourth
D) second
4. The force needed to put an object at rest into motion is Fs. The force needed to move the same body with
uniform velocity is Fk. The relation between the two forces is ____.
A) Fs < Fk
B) Fs = Fk
C) Fs > Fk
D) Fs = 2Fk
5. A wave completes 24 cycles in 0.8 second. The frequency of the wave is ____ Hz.
A) 30
B) 8
C) 24
D) 12
6. A ray is incident on a plane mirror such that the angle between the incident ray and the normal to the mirror
at the point of incidence is 35o. The angle between the reflected ray and the mirror is ____.
A) 35o
B) 90o
C) 55o
D) 180o
7. The approximate value of speed of sound in glass is ____ m/s.
A) 5000
B) 343
C) 1452
D) 1498
8. The ____ uses two plane mirror strips, each of which is kept inclined at 45o to the axis of the tube.
A) periscope
B) telescope
C) microscope
D) photographic camera
9. When two forces act along the same direction on an object, then the net force acting on the object is ____ of
the two forces.
A) the average
B) less than the sum C) greater than the sum D) equal to the sum
10. A student prepared a tester using a compass needle for testing the conductivity of liquid samples. He then
made the following observations:
(i) The deflection of the compass needle with sample A is 5 units
(ii) The deflection of the compass needle with sample B is 3 units
(iii) The deflection of the compass needle with sample C is 8 units
(iv) The deflection of the compass needle with sample D is 10 units
The liquid sample with the highest conductivity is ____.
A) sample A
B) sample B
C) sample C
D) sample D
11. Which of the following metals is electroplated on objects such as car parts, bicycle handles, wheel rims, etc.?
A) Iron
B) Aluminum
C) Zinc
D) Chromium
12. Petroleum is formed at the bottom of the sea in the absence of air under ____.
A) high temperature and high pressure
B) high temperature and low pressure
C) low temperature and low pressure
D) low temperature and high pressure
13. Which is the way to minimise air pollution caused by the use of petrol and diesel in Internal Combustion
engines?
A) Sufficient supply of air and catalytic converter
B) Insufficient supply of air
C) Use of leaded petrol
D) Use of nickel catalyst
14. The dome shaped impervious rock in which the natural gas collects at high pressure above petroleum is
called ____.
A) rock dome
B) oil cap
C) cap rock
D) rock trap
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Edudigm Aptitude Assessment Test
15. L.P.G stands for ____.
A) liquid petroleum gas
C) liquid petrol gas
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B) liquefied petroleum gas
D) liquefied petrol gas
16. Ropes made of nylon and ____ are commonly used in cranes and elevators because of their high elasticity and
tensile strength.
A) polyester
B) rayon
C) acrylic
D) spandex
17. Blue colour of the flame is used by a goldsmith to melt gold because ____.
A) it does not spoil gold
B) it has least carbon content due to complete combustion
C) it has least effect on the quality of the gold
D) it has maximum temperature needed for melting of the gold
18. The name of the scientist who showed that when electrodes were immersed in water, and a current was
passed, bubbles of oxygen and hydrogen were produced, is ____.
A) Neil Armb
B) Louis Braille
C) William Nicholson D) Ian Wilmut
19. Which of the following gases is used for providing an inert atmosphere for canned food?
A) Oxygen
B) Nitrogen
C) Hydrogen
D) Carbon dioxide
20. Sulphur, when heated, melts and then burns with a blue flame. If the gas produced in the process is
dissolved in water, it forms ____.
A) sulphur trioxide
B) sulphurous acid
C) sulphur dioxide
D) sulphuric acid
21. Which of the following carries parasites of the dengue fever?
A) Female Anopheles mosquito
B) Male Anopheles mosquito
C) Female Aedes mosquito
D) Male Aedes mosquito
22. Which among the following cells transfer and receive messages?
A) Muscle cell
B) Red blood cell
C) Nerve cell
D) White blood cell
23. Which of the following hormones is responsible for the development of a moustache in males?
A) Testosterone
B) Estrogen
C) Progesterone
D) Adrenalin
24. Tuberculosis is quite common among the people living in ____.
A) hygienic areas
B) unhygienic areas C) isolated villages
D) deep forest areas
25. The period of life, when the body undergoes changes leading to reproductive maturity is called ____.
A) puberty
B) childhood
C) adolescence
D) adult
26. Which of the following is preserved by sugar?
A) Amla
B) Squash
C) Pickles
D) Mangoes
27. Which of the following bacteria perform the process of nitrification?
A) Nitrogen fixing bacteria
B) Ammonifying bacteria
C) Nitrifying bacteria
D) Denitrifying bacteria
28. Which of the following cell organelles is known as the kitchen of a cell?
A) Mitochondria
B) Golgi apparatus
C) Chloroplast
D) Lysosome
29. Fruits stored in ploythene bags get decomposed quickly because ____.
A) polythene encourages growth of bacteria
B) of the air present in the bag
C) the moisture generated in the bag does not escape
D) ethene increases the rate of ripenening of the fruit
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Page 3
30. Which of the following does not contribute to nitrogen availability in the soil?
A) Decay of organic matter
B) Cyanobacteria
C) Nostoc
D) Rhizobium
31. The value of
(
is ____.
)
A)
B)
32. If
C)
D)
C)
D)
, then the value of x is ____.
A)
B)
33. In a quadrilateral ABCD, if ∠A, ∠B, ∠C and ∠D are in the ratio 3 : 4 : 6 : 7, then the measures of the each angle
of the quadrilateral are ____.
A) 60o, 72o, 108o and 120o
B) 54o, 70o, 110o and 126o
C) 54o, 72o, 108o and 126o
D) 50o, 72o, 108o and 130o
34. To construct a quadrilateral PQRS where PQ = 6 cm, QR = 7.5 cm, PR = 10.5 cm, PS = 4.5 cm and QS = 9 cm,
the steps involved are written below:
(i) Draw PQ = 6 cm.
(ii) With P as centre and radius 10.5 cm, draw another arc which intersects the previous arc at the point R.
(iii) With Q as centre and radius 7.5 cm, draw an arc.
(iv) With P as centre and radius 4.5 cm, draw an arc.
(v) Join Q and R.
(vi) With Q as centre and radius 9 cm, draw another arc which intersects the previous arc at the point S.
(vii) Join P and S, R and S.
The correct sequence of the construction is ____.
A) i, iii, ii, v, iv, vi, vii B) i, v, ii, vi, iv, iii, vii C) i, iii, ii, iv, v, vi, vii D) i, ii, iii, vii, iv, vi, v
35. 1500 families with 2 children were selected randomly, and the following data were recorded:
The probability of a family chosen at random, having two boys is ____.
A)
B)
C)
D)
36. The smallest number which when multiplied by 12748 gives a perfect square is ____.
A) 3187
B) 3183
C) 3245
D) 4532
37. The value of √
is ____.
A)
B)
C)
D)
38. If two numbers are respectively 10 % and 25 % more than a third number, then the first number as a
percent of the second is ____.
A) 78
B) 80
C) 88
D) 85
39. [(
)
(
) ]
A)
(
)
B)
C)
D)
40. If the price of 6 toys is Rs 264.37, then the cost price of 5 toys is ____.
A) Rs 140
B) Rs 100
C) Rs 200
D) Rs 220
41.
QPO NML
A) HGF
KJI
_____ EDC
B) CAB
EDUDIGM 47/1C, Hazra Road, Kolkata 19
C) JKL
D) GHI
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Edudigm Aptitude Assessment Test
42.
JAK
KBL
A) OEP
LCM
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MDN _____
B) NEO
C) MEN
D) PFQ
43.
ELFA GLHA ILJA
A) OLPA
_____ MLNA
B) KLMA
C) LLMA
D) KLLA
44.
CMM EOO
A) GRR
GQQ
_____ KUU
B) GSS
C) ISS
D) ITT
45.
QAR RAS
A) UAV
SAT
TAU
_____
B) UAT
C) TAS
D) TAT
46.
42
40
A) 25 22
38
35
33
B) 26 23
31
11
14
A) 23 23
14
17
17
B) 23 26
20
48.
17
32
A) 25 25
19
29
21
B) 20 22
49.
10
34
A) 25 18
12
32
31
A) 25 32
32
47.
50.
28
____
C) 26 24
____
20
____
C) 21 24
____
26
23
____
C) 23 25
____
31
14
B) 30 13
28
16
____
C) 19 26
____
29
32
B) 31 32
27
32
____
C) 29 32
____
EDUDIGM 47/1C, Hazra Road, Kolkata 19
D) 25 23
D) 24 24
D) 25 22
D) 18 20
D) 25 30
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