1 . Brass is made of –
A.  copper and tin
B.  tin and lead
C.  copper and zinc
D.  copper, tin and zinc
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2 . Ozone layer above the surface of Earth provides a shield against
A.  X-rays
B.  Ultra-violet rays
C.  Gamma rays
D.  Infra-red rays
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3 . The market price is related to –
A.  very short period
B.  short period
C.  long period
D.  very long period
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4 . Konark which has famous ‘Sun God Temple’ wit h wonderful spec imens of Hindu architecture lies in the state of –
A.  Orissa
B.  Gujarat
C.  Karnataka
D.  Madhya Pradesh
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5 . Fat can be separated from milk in a cream separator because of:
A.  Cohesive force
B.  Gravitational force
C.  Centripetal force
D.  centrifugal force
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6 . Who is the vector of Kala-azar ?
A.  Anopheles mosquito
B.  Culex mosquito
C.  Tse-Tsefly
D.  Sand fly.
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7 . The energy that can harness heat stored below the earth’s surface is known as :
A.  Thermal energy
B.  Nuclear energy
C.  Tidal energy
D.  Geo-thermal energy
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8 . October and November months give more rainfall to –
A.  Malwa Plateau
B.  Chota Nagpur Plateau
C.  Eastern Hills
D.  Coromandal Coast
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9 . The temperature of boiling water in a steam engine may be high because –
A.  there are dissolved substances in water
B.  there is low pressure inside the boiler
C.  there is high pressure inside the boiler
D.  the fire is at very high temperature
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10 . Equilibrium price is the price when –
A.  supply is greater than demand
B.  supply is less than demand
C.  demand is very high
D.  supply is equal to demand
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