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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.2521·Miscellaneous·2023·Easy

Each item in this section has a sentence with three underlined parts labelled as (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response on the Answer Sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d). (a) I played with (b) same bat (c) that you used. (d) No error

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Q.2522·Miscellaneous·2023·Easy

How much percentage of carbon dioxide is present in the atmosphere of Venus and Mars?

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Q.2523·Miscellaneous·2023·Easy

Which among the following methods is used to separate the constituents present in a compound?

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Q.2524·Miscellaneous·2023·Easy

The party leader exhorted his members to start preparing for the formation of their government.

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Q.2525·Miscellaneous·2023·Easy

The term, Phyllotaxy refers to the pattern of:

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Q.2526·Miscellaneous·2023·Easy

Each item in this section has a sentence with three underlined parts labelled as (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response on the Answer Sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d). (a) Who (b) do you wish (c) to see? (d) No error

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Q.2527·Miscellaneous·2023·Easy

Each item in this section has a sentence with three underlined parts labelled as (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response on the Answer Sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d). (a) One must not (b) boast of (c) one’s own success. (d) No error

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Q.2528·Miscellaneous·2023·Easy

There are plenty of graduates anxious for work.

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Q.2529·Miscellaneous·2023·Easy

In a party of 150 persons, 75 persons take tea, 60 persons take coffee and 50 persons take milk. 15 of them take both tea and coffee, but no one taking milk takes tea. If each person in the party takes at least one drink, then what is the number of persons taking milk only?

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Q.2530·Miscellaneous·2023·Easy

Chromosomes are composed of DNA and :

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Q.2531·Miscellaneous·2023·Easy

Each item in this section has a sentence with three underlined parts labelled as (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response on the Answer Sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d). (a) My friend and benefactor (b) has (c) come. (d) No error

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Q.2532·Miscellaneous·2023·Easy

Sonic boom is produced when a source of sound travels at a speed:

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Q.2533·Miscellaneous·2023·Easy

The power of the monarchy was circumscribed by the new law.

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Q.2534·Miscellaneous·2023·Easy

Each item in this section has a sentence with three underlined parts labelled as (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response on the Answer Sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d). (a) Either he (b) or I (c) am mistaken. (d) No error

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Q.2535·Miscellaneous·2023·Easy

Given below are some idioms/phrases followed by four alternative meanings to each. Choose the response (a), (b), (c) or (d) which is the most appropriate meaning and mark your response on the Answer Sheet accordingly. Apples and oranges

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Q.2536·Miscellaneous·2023·Easy

A person can see near objects clearly through his eyes but cannot see distant objects clearly. The possible reason(s) for this defect could be: 1. Excessive curvature of the eye lens. 2. The eye-ball has become too small. 3. The focal length of the eye lens is too large. 4. Elongation of the eye-ball. Select the correct answer using the code given below:

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Q.2537·Miscellaneous·2023·Easy

Each item in this section has a sentence with three underlined parts labelled as (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response on the Answer Sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d). (a) Guest is (b) unwelcome (c) when he stays too long. (d) No error

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Q.2538·Miscellaneous·2023·Easy

A concave mirror of radius of curvature 50 cm is used to form an image of an object kept at a distance of 25 cm from the mirror on its principal axis. What will be the position of the image from the mirror?

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