1 . "Red Data Book" is asociated with ?
A.  Endangered plants
B.  Endangered animals
C.  Naxalite affected regions
D.  Terrorism affected regions
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2 . Peopl e consumi ng al cohol in heavy quantities generally die of
A.  blood cancer
B.  cirrhosis
C.  liver or stomach cancer
D.  weakening of heart muscles leading to cardiac arrest
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3 . The organisms at the base of the grazing food-chain are
A.  Producers
B.  Herbivores
C.  Carnivores
D.  Decomposers
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4 . Quartz crystats used in watches function on the principle of ?
A.  Peizoelectric effect
B.  Thermoelectric effect
C.  Ion-electron effect
D.  Photo electric effect
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5 . Which of the following cereals was among the first to be used by man ?
A.  Barley
B.  Oat
C.  Rye
D.  Wheat
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6 . Typing metal alloy used in printing press is mixture of —
A.  Lead and Tin
B.  Lead and Platinum
C.  Lead and Antimony
D.  Platinum and Tin
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7 . Which one of the following forces is a ‘dissipative force’ ?
A.  Gravitational force
B.  Frictional force
C.  Electrostatic force
D.  Magnetic force
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8 . Which one of the tributaries of the Ganga system flows northwards ?
A.  Kosi
B.  Ghaghara
C.  Chambal
D.  Gandak
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9 . Which is an important red soil area ?
A.  Indo-Gangetic Plan
B.  Gujarat and Maharashtra
C.  Karnataka
D.  Jammu and Kashmir
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10 . ‘Lumen’ is the unit of
A.  Luminous flux
B.  Luminous intensity
C.  Illuminance
D.  Brightness
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