UPSC 1995 › Science & Technology
31 questions · 1995 · answers as per the UPSC key
A meteor is
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The Nobel Prize for deciphering the language of bees was awarded to
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In the field of space technology, India has demonstrated during 1994 her capability to
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Comet Shoemaker-Levy 9 hit the planet
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Which one of the following is a mixed fertilizer?
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Which one of the following polymers is widely used for making bullet-proof material?
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The chemical used as a ‘fixer’ in photography is
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The technique used to transmit audio signals in television broadcasts is
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A parachutist jumps from a height of 5000 metres. The relationship between his falling speed ‘v’ and the distance fallen through ‘d’ is best represented as (four graphs labelled a, b, c, d).
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Which one of the following can be used to confirm whether drinking water contains a gamma-emitting isotope or not?
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The normal temperature of human body on the Kelvin scale is
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When the same note is played on a sitar and a flute, the sound produced can be distinguished from each other because of the difference in
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Assertion (A): A diamond sparkles more than a glass imitation cut to the same shape.
Reason (R): The refractive index of diamond is less than that of glass. In the context of the above two statements, which one of the following is correct?
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Who among the following anticipated Newton by declaring that all things gravitate to the earth?
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Optical fibre works on the principle of
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Suppose a rocketship is receding from the earth at a speed of 2⁄10th the velocity of light. A light in the rocketship appears blue to the passengers on the ship. What colour would it appear to an observer on the earth?
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Which one of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torchlights, electric shavers, etc.?
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Cryogenic engines find applications in
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An air bubble in water will act like a
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The difference between a nuclear reactor and an atomic bomb is that
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Which one of the following sets is correctly matched?
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A person with ‘AB’ blood group is sometimes called a universal recipient because of the
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Which one of the following is a membrane that protects the developing embryo from desiccation?
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Which one of the following antimicrobial drugs is suitable for treatment of both tuberculosis and leprosy?
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Most of the desert plants bloom during night time because
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The only snake that builds a nest is
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Which of the following elements are present in all proteins? I. Carbon II. Hydrogen III. Oxygen IV. Nitrogen
Select the correct answer from the codes given below:
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Which one of the following hormones contains iodine?
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“By weaving threads of physics, chemistry and biology into a rich tapestry, this remarkable scientist provided a unifying molecular view of the world... He touted the wonderful properties of Vitamin C first as a cure of common cold and later as a preventive agent against cancer.” One of science’s major figures of all time referred to above is
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“It begins as a single cell and grows into a merciless disease that claims millions of lives year after year. But scientists are steadily unlocking its mysteries, and the fight against it may now have reached a dramatic turning point. New discoveries promise better therapies and hope in the war against ...” The disease referred to in the above quotation is
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‘Yellow cake’, an item of smuggling across borders is