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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.7993·Miscellaneous·2017·Easy

Water boils at a lower temperature at high altitudes, because

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Q.7994·Miscellaneous·2017·Easy

Concave mirror is used in headlights of vehicles, because it

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Q.7995·Miscellaneous·2017·Easy

If some object is weighed when submerged in water, what will happen to its weight compared to its weight in air?

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Q.7996·Miscellaneous·2017·Easy

Light year is a measure of

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Q.7997·Miscellaneous·2017·Easy

Which one of the following statements about a satellite orbiting around the Earth is correct ?

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Q.7998·Miscellaneous·2017·Easy

Which one of the following statements about energy is correct ?

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Q.7999·Miscellaneous·2017·Easy

Step-up transformers are used for

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Q.8000·Miscellaneous·2017·Easy

Zinc is used to protect iron from corrosion because zinc is

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Q.8001·Miscellaneous·2017·Easy

Which one of the following is a chemical change ?

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Q.8002·Miscellaneous·2017·Easy

Which one among the following chemicals is used as washing soda ?

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Q.8003·Miscellaneous·2017·Easy

Why is potassium permanganate used for purifying drinking water ?

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Q.8004·Miscellaneous·2017·Easy

If y = sec^-1((x+1)/(x-1)) + sin^-1((x-1)/(x+1)), then dy/dx is equal to

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Q.8005·Miscellaneous·2017·Easy

In a triangle ABC, a - 2b + c = 0. The value of cot(A/2) cot(C/2) is

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Q.8006·Miscellaneous·2017·Easy

This question consists of a sentence with an underlined/bold word/words followed by four options. Select the option that is nearest in meaning to the underlined/bold word/words and mark your response in your Answer Sheet accordingly. The decision of the Union Government to repeal the Urban Land Ceiling Act has been welcomed by all.

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Q.8007·Miscellaneous·2017·Easy

This is his maiden appearance on the screen.

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Q.8008·Miscellaneous·2017·Easy

At the end of the marathon everybody was exhausted .

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Q.8009·Miscellaneous·2017·Easy

He gave me a counterfeit coin.

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Q.8010·Miscellaneous·2017·Easy

This question consists of a sentence with an underlined/bold word/words followed by four options. Select the option that is opposite in meaning to the underlined/bold word/words and mark your response in your Answer Sheet accordingly. My mother has been working hard for the last two weeks and she feels run down .

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