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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.11611·Miscellaneous·2014·Easy

A fertilizer contains 20% nitrogen by mass. To provide a fruit tree with an equivalent of 1 kg of nitrogen, the quantity of fertilizer required is

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Q.11612·Miscellaneous·2014·Easy

The number of telephone calls received in 245 successive one-minute intervals at an exchange is given below in the following frequency distribution: What is the mean of the distribution?

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Q.11613·Miscellaneous·2014·Easy

Why is hydrolysis an effective form of chemical decomposition of bed-rock in humid tropics? 1.Humid tropics experience high temperature and humidity. 2.There is high diurnal range in temperature. Select the correct answer using the code given below.

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Q.11614·Miscellaneous·2014·Easy

Number X is randomly selected from the set of odd numbers and Y is randomly selected from the set of even numbers of the set {1, 2, 3, 4, 5, 6, 7}. Let Z = (X + Y).   What is P(Z is the product of two prime numbers) equal to?

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Q.11615·Miscellaneous·2014·Easy

If the distance S covered by a moving car in rectilinear motion with a speed u in time t is given by S = ut, then the car undergoes

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Q.11616·Miscellaneous·2014·Easy

The phenomenon of electromagnetic induction implies a production of induced

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Q.11617·Miscellaneous·2014·Easy

Which one among the following is not a characteristic of a federal system?

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Q.11618·Miscellaneous·2014·Easy

The Constitution of India guarantees the Fundamental Right to Freedom of Religion to all its citizens. Which among the following is not true for this Right?

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Q.11619·Miscellaneous·2014·Easy

The Scheduled Castes and Scheduled Tribes (Prevention of Atrocities) Act, 1989 may be seen as giving effect to which of the following Fundamental Rights? 1.Equality before the Law 2.Right against Discrimination 3.Abolition of Untouchability 4.Right to Freedom of Religion Select the correct answer using the code given below.

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Q.11620·Miscellaneous·2014·Easy

Under which of the following Acts is the National Population Register being created?

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Q.11621·Miscellaneous·2014·Easy

A straight line passes through (1, -2, 3) and is perpendicular to the plane 2x + 3y - z = 7.   What are the direction ratios of normal to plane?

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Q.11622·Miscellaneous·2014·Easy

Which one among the following is not true about Bal Gangadhar Tilak?

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Q.11623·Miscellaneous·2014·Easy

Van de Graaff generator is used for

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Q.11624·Miscellaneous·2014·Easy

The number of aluminium ions present in 54 g of aluminium (atomic weight 27) is

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Q.11625·Miscellaneous·2014·Easy

During short-circuiting, the current flowing in the electrical circuit

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Q.11626·Miscellaneous·2014·Easy

In honey, which one among the following sugars predominates?

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Q.11627·Miscellaneous·2014·Easy

Which one of the following is the correct electronic configuration of chlorine?

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Q.11628·Miscellaneous·2014·Easy

Consider the following statements: A real image 1.can be formed on a screen 2.is always magnified and inverted Which of the statements given above is/are correct?

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