Every Day Science MCQS 61 TO 80
61.
Twinkling of stars is caused by :
a) Reflection of light
b) Polarization of light
c) refraction of light
d) Interference of light
e) None of these
62. Magnifying power of a simple microscope can be increased by :
a) increasing focal length of the lens
b) Decreasing focal length of the lens(for high magnification, focal length
of magnifying glass should be small.)
c) Lens of large aperture
d) lens of short aperture
e) None of these
63. Bronze medal is made up of metal :
a) Copper , Zinc
b) Copper , Nickle
c) Copper , Tin
d) Sopper , Silver
64. One of the countries through which equator passes is :
a) Kenya
B) Pakistan
c) Malaysia
d) Malta
e) None of these
65. A very important practical application of properties of matter is hoeing or
"godi" practiced by the farmers. This property of matter is called :
a) Elasticity
b) Stress
c) Capillarity(wiki answers)
d) Strain
e) None of these
66. It is observed that the total pressure exerted by air on the man of average
siz is around 14.7 lb wt. per square inch. But the man feels quite
comfortable,. It is because of :
a) An equal and opposite pressure acts from inside
b) of the height of a man
c) of gravity
d) Earth pulls the man upward
e) None of these
67) A nuclear reactor is a device used to carry out controlled nuclear reaction
whereas GM counter is a device used to detect :
a) Current
b) Voltage
C) nuclear Radiation
d) power
e) None of these
68. A body can escape the gravitational pull of the earth if it is thrown up
with a velocity of:
a) 25 miles per sec
b ) 60 miles per sec
c) 7 miles per sec
d) 10 miles per sec
e) None of these
69. Night vision is possible with the help of :
a) Red light
b) Violet light
c) Infrared Rays
d) Ultra violet Light
e) None of these
70. Myopia is a defect of human eye. it can be corrected by using a lens called
:
a) Convex lens
b) Concave lens
c) Cylindrical lens
d) Plano convex lens
e) None of these
71. Walnuts can be broken in the hand by squeezing two together but not one. It
is because of :
a) Work done
b) Power
c) Energy
d) Volume
e) None of these
72. The instrument which i specially design for recording earth quake wave is
called seismograph which measure earth quake waves on a
a) Diatonic scale
b) Fahrenheit Scale
c) Richter scale
d) Celsius Scale
e) None of these
73. The planet Mercury completes one rotation around the sun is
a) 88 days
b) 365 days
c) 98 days
d) 60 days
e) None of these
74. Fossils found in the lowest geological strata are generally most :
a) Advance
b) Complex
c) Primitive
d) Specialized
e) None of these
75. Evolution can be described as :
a) A continuing process
b) A catastrophic event in the past
c) Static
d) The attaining of an ideal type
e) None of these
76. What is the only source of new alleles?
a) Crossing over
b) independent assortment
c) Mutation
d) Fertilization
e) None of these
77. Polygenic characteristic are controlled by :
a) Dominant genes
b) Recessive genes
c) Multiple genes
d) Mutated genes
e) None of these
78. Which of the following , lists the four stages of food processing in order?
a) ingestion , digestion , absorption , elimination
b) digestion , ingestion , absorption , elimination
c) ingestion , absorption , elimination , digestion
d) absorption , digestion , ingestion , elimination
e) None of these
79. In humans , most nutrient molecules are absorbed by the :
a) small intestine
b) stomach
c) liver
d) large intestine
e) None of these
80. The energy needed to fuel essential body processes is called :
a) Essential nutrient level
b) Basal metabolism
c) None of these
d) recommended daily allowance
e) Optimum energy intake
Sunday 27 December 2015
Every Day Science MCQS 61 TO 80
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