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Prelims

UPSC Prelims Questions

Practice UPSC Prelims MCQs by subject and year. Free questions with explanations for focused revision.

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Q.8101·Miscellaneous·2017·Easy

Suppose a rod is given a negative charge by rubbing it with wool. Which one of the following statements is correct in this case?

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Q.8102·Miscellaneous·2017·Easy

A Kelvin thermometer and a Fahrenheit thermometer both give the same reading for a certain sample. What would be the corresponding reading in a Celsius thermometer?

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Q.8103·Miscellaneous·2017·Easy

If the potential difference applied to an X-ray tube is doubled while keeping the separation between the filament and the target as same, what will happen to the cutoff wavelength?

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Q.8104·Miscellaneous·2017·Easy

Why is it difficult to measure the coefficient of expansion of a liquid than solid?

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Q.8105·Miscellaneous·2017·Easy

(0, 0, 0), (a, 0, 0), (0, b, 0) and (0, 0, c) are four distinct points. What are the coordinates of the point which is equidistant from the four points?

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Q.8106·Miscellaneous·2017·Easy

Radon is

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Q.8107·Miscellaneous·2017·Easy

The chemical name of baking soda is

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Q.8108·Miscellaneous·2017·Easy

Which one of the following elements is used in pencil-lead?

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Q.8109·Miscellaneous·2017·Easy

Who among the following is one of the authors of the book "Philosophy of the Bomb"?

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Q.8110·Miscellaneous·2017·Easy

Which of the following statements about the Chittagong group is NOT correct?

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Q.8111·Miscellaneous·2017·Easy

Which one of the following was a significant feature of the Quit India Movement?

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Q.8112·Miscellaneous·2017·Easy

Which one of the following characteristics does NOT describe the Khilafat movement?

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Q.8113·Miscellaneous·2017·Easy

Which one of the following was NOT a feature of railways in colonial India?

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Q.8114·Miscellaneous·2017·Easy

Which colonial administrator made the following declaration about the partition of Bengal in 1904? "Bengal united is a power. Bengal divided will pull in different ways. That is perfectly true and one of the merits of the scheme"

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Q.8115·Miscellaneous·2017·Easy

Which one of the following Princely States did NOT support the Congress during the course of the Civil Disobedience Movement?

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Q.8116·Miscellaneous·2017·Easy

The line passing through the points (1, 2, -1) and (3, -1, 2) meets the xy-plane at which one of the following points?

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Q.8117·Miscellaneous·2017·Easy

Which one of the following is a feature of thought and philosophy of the Kandukuri Veeresalingam?

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Q.8118·Miscellaneous·2017·Easy

Under which one of the following conditions are the lines x = ay + b; x = ey + f; z = gy + h perpendicular?

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