Q: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
The Correct Answer is Fusion nuclear reaction
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Q:Parsec is a unit of
(A)Distance
(B)Times
(C)Energy
(D)None of these
The Correct Answer is Distance
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Q:German Silver is an alloy o
(A)Zn + Ni
(B)Cu + Zn
(C)Cu + Ni
(D)None of these
The Correct Answer is Cu + Ni
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Q:The Continent Antarctica lies at the
(A)North pole
(B)South pole
(C)middle of the earth
(D)None of these
The Correct Answer is South pole
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Q:Cusec is a unit of
(A)Area
(B)Time
(C)Distance
(D)None of these
The Correct Answer is Time
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Q:The fruits without seed, like banana, are called
(A)Seedless fruits
(B)Parthenogenesis fruits
(C)Parthenocarpic fruits
(D)placental fruits
The Correct Answer is Parthenocarpic fruits
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Q:Animal which captures and readily kills living animals for its food is called
(A)Parasite
(B)Scavenger
(C)Predator
(D)None of these
The Correct Answer is Predator
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Q:In a railway track, two rails are joined end to end with a gap tin between them because
(A)Steel can be saved
(B)Accidents due to contraction in winter can be avoided
(C)Accidents due to expansion in summer can be avoided
(D)None of these
The Correct Answer is Accidents due to expansion in summer can be avoided
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Q: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
The Correct Answer is Radiation
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Q: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)None of these
The Correct Answer is Non-Conductor
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Q: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)None of these
The Correct Answer is pitch
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Q: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
(D)None of these
The Correct Answer is Visible
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Q:Monsoon is caused by
(A)Seasonal reversal of winds
(B)Revolution of earth
(C)Movement of clouds
(D)Rise in temperature
The Correct Answer is Seasonal reversal of winds
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Q:Which of the following atmospheric layers help in radio communication?
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