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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.13987·Miscellaneous·2012·Easy

tatement I: Convex mirror is used as a driver mirror. Statement II: Images formed by convex mirror are diminished in size.

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Q.13988·Miscellaneous·2012·Easy

Statement I: A thermos flask is made of double-walled glass bottles. Statement II: Metals are good conductors while gas and air are poor conductors of heat.

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Q.13989·Miscellaneous·2012·Easy

Statement I: Bats can catch their prey in the darkness of night. Statement II: Bats can produce and also detect ultrasound.

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Q.13990·Miscellaneous·2012·Easy

Match List–I with List–II and select the correct answer using the code given below the Lists: Codes:

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Q.13991·Miscellaneous·2012·Easy

Which one among the following nutrients is a structural component of the cell wall of plants?

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Q.13992·Miscellaneous·2012·Easy

Balanced diet should have approximately:

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Q.13993·Miscellaneous·2012·Easy

Which one among the following statements is correct?

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Q.13994·Miscellaneous·2012·Easy

What are cold-blooded animals?

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Q.13995·Miscellaneous·2012·Easy

Sickle-cell anemia is a disease caused due to the abnormality in

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Q.13996·Miscellaneous·2012·Easy

Carbohydrates are stored in plants and animals in the form of

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Q.13997·Miscellaneous·2012·Easy

Which of the following statements regarding oxidation and reduction are correct? 1In oxidation, loss of electron takes place whereas in reduction, gain of electron takes place. 2.In oxidation, gain of electron takes place whereas in reduction, loss of electron takes place. 3.Oxidizing agent decreases the oxidation number but reducing agent increases the oxidation number. 4.Oxidizing agent increases the oxidation number but reducing agent reduces the oxidation number

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Q.13998·Miscellaneous·2012·Easy

Consider the following statements : 1. 1° in radian measure is less than 0.02 radians. 2. 1 radian in degree measure is greater than 45°. Which of the above statements is/are correct ?

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Q.13999·Miscellaneous·2012·Easy

The set A = {x : x + 4 = 4} can also be represented by :

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Q.14000·Miscellaneous·2012·Easy

Sometimes, indigestion is caused by the secretion of too much hydrochloric acid in the stomach. To ease the pain caused, a tablet can be taken that reacts to reduce the amount of acid present. Which one among the following would be inappropriate for a manufacturer to include as a major reactant in the tablet?

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Q.14001·Miscellaneous·2012·Easy

What is the sum of the series 1 – 1/2 + 1/4 – 1/8 + ...... equal to ?

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Q.14002·Miscellaneous·2012·Easy

Consider the following statements : 1. Two independent variables are always uncorrelated. 2. The coefficient of correlation between two variables X and Y is positive when X decreases then Y decreases. Which of the above statements is/are correct ?

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Q.14003·Miscellaneous·2012·Easy

Muhammad bin Tughlaq’s experiment of introducing token currency could not succeed on account of

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Q.14004·Miscellaneous·2012·Easy

A variate X takes values 2, 9, 3, 7, 5, 4, 3, 2, 10. What is the median ?

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