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| 1.
About 5000 years ago, Egyptians obtained a powder by heating gypsum (calcium sulphate) in open air fires. This powder was used for cementing blocks of their monuments. Chemically, it is calcium sulphate hemihydrate. What is it more commonly known as? |
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| 2.
Which of the following is a defect of vision? |
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| 4.
Which of these conditions is NOT necessary for combustion to occur? |
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| 5.
Where was the first ever atomic bomb exploded by U.S.? |
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| 6.
Let me tell you, the muscle fibers of the heart are specialized at certain parts of the heart to generate electric currents that in turn cause the normal rhythmic heartbeats. Now you tell me, which instrument is it that records these electrical changes during heartbeat? |
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| 7.
A reflex action is an unconscious and involuntary response of muscles and glands to a stimulus. Which of the following is NOT a reflex action? |
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| 8.
When I say 'Tom is an alcoholic', which alcohol am I referring to? |
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| 9.
Which of these is NOT a barrier method to prevent pregnancy? |
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| 10.
Which of these constellations is not also a zodiac sign? |
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