Every Day Science MCQS 41 TO 60
41.
Water is heated in a kettle. The inside water is heated by convection. A person
sitting near the fire receives heat by :
a) Conduction
b) Convection
c) Radiation
d) Reflection
e) None of these
42. A time can come when we will be able to design a machine which can go on
working for ever without the expenditure of energy. Is it possible ?
a) No
b) Yes
c) In due course time
d) Very soon
e) None of these
43. The measurement of rainfall is made by an instrument known as :
a) Hydrometer
b) Barometer
c) Hygrometer
d) Pedometer
e) None of these(Rain gauge)
44. Light year is a unit of :
a) Distance
b) Time Period
c) Light intensity
d) Time
e) none of these
45. Three elements needed for the healthy growth of plants are :
a) N,P,K
b) N,C,P
c) N,K,C
d) N,S,P
e) none of these
46.Copper can be converted into gold by :
a) Heating
b) Artificial Radioactivity
c) Electroplating
d) Chemical reaction
e) None of these
47. In winter an iron pipe feel colder than a wooden window . This is because
wood is :
a) Conductor
b) non-Conductor
c) Semi- Conductor
d) Not a solid while iron is a solid
e) None of these
48. The echo (reflected sound) will be distinctly heard only at ordinary
temperatures if the distance of the reflecting surfaces from the source of
sound is at least :
a) 1120 ft
b) 120 ft
c) 56fft
d) 100 ft
e) None of these
49. It is possible to recognize a person in the dark by simply hearing his
unique voice . It is because of the:
a) pitch
b) Frequency
c) Time period
d) Quality
e) None of these
50. When a ray of sunlight enters a dark room , its straight path become
visible because of dust particles hanging in the air. It is because light is :
a) Visible
B) Transparent
c) Invisible (not confirmed)
d) opaque
e) None of these
51. A six feet tall lady wants to see her full image in a plane mirror . The
minimum length of the mirror will be :
a) 6 feet
b) 12 feet
c) 4 feet
d) 3 feet
e) None of these
52. The principle used in radar is the same as that of Sonar. In radar we use
radio waves ; whereas in sonar we use :
A) red waves
b) Infrared waves
c) Ultrasonic
d) super sonic
e) None of these
53. In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei
whereas in another nuclear reaction two or more than two possibly nuclei are
fused to form a heavy nucleus This nuclear reaction is called :
a) Chemical Reaction
b) Nuclear reaction
c) Fission nuclear reaction
d) Fusion nuclear reaction
e) None of these
54. Parsec is a unit of :
a) Energy
b) Time
c) Power
d) Distance
e) None of these
55. German Silver is an alloy of:
A) Zn + Ni
b) Cu + Zn
c) Cu + Ni
d) Cu + Sn
e) None of these
56. The Continent Antarctica lies at the:
a) North pole b) South pole c) middle of the earth d) Equator
e) None of these
57. The temperature of the dead body is:
a) 0 'C
b) 37 '
c) room temperature
d) temperature of the place where it is kept
e) None of these
58. Lactometer is a type of Hydrometer which is used to measure the specific
gravity of :
a) Honey
b) Water
c) Milk
d) olive oil
e) None of these
59. Cusec is a unit of :
a) Area
b) Time
c) Distance
d) mass
e) None of these(it is unit of flow rate cubic per second)
60. The deepest place on earth is :
a) Trench
b) Mariana Trench
C) Mangrove
d) Groove
e) None of these
Sunday 27 December 2015
Every Day Science MCQS 41 TO 60
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