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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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  2. /Prelims Questions
Q.5041·Miscellaneous·2020·Easy

Which one of the following is the most fundamental characteristic of an element?

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Q.5042·Miscellaneous·2020·Easy

Neutrons were discovered by

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Q.5043·Miscellaneous·2020·Easy

Atomic mass of an element is equal to the sum of number of

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Q.5044·Miscellaneous·2020·Easy

Which one of the following element’s isotope is used in the treatment of cancer?

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Q.5045·Miscellaneous·2020·Easy

In this question each item consists of a sentence with an underlined word/words followed by four words. Select the option that is nearest in meaning to the underlined word and mark your response on your Answer Sheet accordingly. She got the divorce within no time.

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Q.5046·Miscellaneous·2020·Easy

In this question each item consists of a sentence with an underlined word followed by four words. Select the option that is opposite in meaning to the underlined word and mark your response on your Answer Sheet accordingly. People argue about why Venus is so much warmer than the Earth.

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Q.5047·Miscellaneous·2020·Easy

In this question each item consists of a sentence with an underlined word followed by four words. Select the option that is opposite in meaning to the underlined word and mark your response on your Answer Sheet accordingly. Temperature is a measure of internal energy of an object and is frequently expressed by physicists in units of Kelvin.

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Q.5048·Miscellaneous·2020·Easy

In this question each item consists of a sentence with an underlined word followed by four words. Select the option that is opposite in meaning to the underlined word and mark your response on your Answer Sheet accordingly. For important medical decisions, even finding a doctor you trust is not enough.

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Q.5049·Miscellaneous·2020·Easy

In this question each item consists of a sentence with an underlined word followed by four words. Select the option that is opposite in meaning to the underlined word and mark your response on your Answer Sheet accordingly. I fully believe that the cornerstone of good policy is an electorate that is educated on the national issues.

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Q.5050·Miscellaneous·2020·Easy

Which one of the following countries is called the ‘country of winds’?

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Q.5051·Miscellaneous·2020·Easy

In this question each item consists of a sentence with an underlined word followed by four words. Select the option that is opposite in meaning to the underlined word and mark your response on your Answer Sheet accordingly. He nodded absently throughout the meeting.

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Q.5052·Miscellaneous·2020·Easy

In this question each item consists of a sentence with an underlined word/words followed by four words. Select the option that is nearest in meaning to the underlined word and mark your response on your Answer Sheet accordingly. He listened to me with equanimity.

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Q.5053·Miscellaneous·2020·Easy

Consider the following Venn diagram, where X, Y and Z are three sets. Let the number of elements in Z be denoted by n(Z) which is equal to 90. If the number of elements belonging to neither X, nor Y, nor Z is equal to p, then what is the number of elements in the complement of X?

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Q.5054·Miscellaneous·2020·Easy

In this question each item consists of a sentence with an underlined word/words followed by four words. Select the option that is nearest in meaning to the underlined word and mark your response on your Answer Sheet accordingly. The whole thing was a futile exercise.

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Q.5055·Miscellaneous·2020·Easy

Read the following information and answer the two items that follow: Let tan 3A = K, where tan A ≠ 0 and K = 1/3. For real values of tan A, K cannot lie between

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Q.5056·Miscellaneous·2020·Easy

In this question each item consists of a sentence with an underlined word/words followed by four words. Select the option that is nearest in meaning to the underlined word and mark your response on your Answer Sheet accordingly. He was too cunning for her.

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Q.5057·Miscellaneous·2020·Easy

ABCD is a trapezium such that AB and CD are parallel and BC is perpendicular to them. Let ∠ADB = θ, ∠ABD = α, BC = p and CD = q. What is AB equal to?

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Q.5058·Miscellaneous·2020·Easy

In this question each item consists of a sentence with an underlined word followed by four words. Select the option that is opposite in meaning to the underlined word and mark your response on your Answer Sheet accordingly. Scientists are concerned whether the oceans and land biosphere will take up as much carbon in the future as they presently do.

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