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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.11431·Miscellaneous·2014·Easy

A cyclotron accelerates particles of mass m and charge q. The energy of particles emerging is proportional to

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Q.11432·Miscellaneous·2014·Easy

If the length of the Equator is about 40000 km and the velocity of rotation is about 1700 km per hour, what would be the velocity of rotation at the Pole?

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Q.11433·Miscellaneous·2014·Easy

Two cars A and B have masses mA and mB respectively, with mA > mB. Both the cars are moving in the same direction with equal kinetic energy. If equal braking force is applied on both, then before coming to rest

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Q.11434·Miscellaneous·2014·Easy

What would be the total population at the end of the year if population at the beginning of the year is 5000 and population changed during the year is—birth 250, death 60, immigration 30 and emigration 15?

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Q.11435·Miscellaneous·2014·Easy

The working of a microwave oven involves

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Q.11436·Miscellaneous·2014·Easy

Which of the following sequences is correct for rainfall?

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Q.11437·Miscellaneous·2014·Easy

Kerosene oil rises in a wick of lantern because of

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Q.11438·Miscellaneous·2014·Easy

Match List–I with List–II and select the correct answer using the code given below the Lists: List–I (Textile industry) List–II (Place) A. Woolen textile 1. Sualkuchi B. Cotton textile 2. Rishra C. Silk textile 3. Ludhiana D. Jute textile 4. Davangere Code:

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Q.11439·Miscellaneous·2014·Easy

Turpentine oil in paints is used as a

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Q.11440·Miscellaneous·2014·Easy

Fahrenheit and Celsius are the two scales used for measuring temperature. If the numerical value of a temperature recorded in both the scales is found to be same, what is the temperature?

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Q.11441·Miscellaneous·2014·Easy

Movements of tides are mostly determined by

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Q.11442·Miscellaneous·2014·Easy

Which one of the following circuit elements is an active component?

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Q.11443·Miscellaneous·2014·Easy

Which one of the following is the correct sequence of oil refineries in India in respect of their time of establishment (starting from the earliest)?

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Q.11444·Miscellaneous·2014·Easy

A thermodynamic process where no heat is exchanged with the surroundings is

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Q.11445·Miscellaneous·2014·Easy

In the term GIS, ‘G’ stands for

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Q.11446·Miscellaneous·2014·Easy

Which of the following element combinations will form ionic compounds? 1. Ca (Z = 20) and Ti (Z = 22) 2. Si (Z = 14) and Br (Z = 35) 3. Mg (Z = 12) and Cl (Z = 17) Select the correct answer using the code given below.

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Q.11447·Miscellaneous·2014·Easy

A particle is moving in a circular path of radius r at a constant speed v. Which one of the following graphs correctly represents its acceleration a?

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Q.11448·Miscellaneous·2014·Easy

Which one of the following pairs of power projects is not correctly matched?

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