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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.2539·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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Q.2540·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.2541·Miscellaneous·2023·Easy

Which one among the following are the correct symbols for the elements gold, tin and lead, respectively?

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Q.2542·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. A hot potato

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Q.2543·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.2544·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.2545·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.2546·Miscellaneous·2023·Easy

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

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Q.2547·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) It was one of the best speeches (b) that has ever been (c) made in the Parliament. (d) No error

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Q.2548·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.2549·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) His written statement (b) defers in several important respects (c) from his oral statement. (d) No error

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Q.2550·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 have ordered for (b) three cups (c) of coffee. (d) No error

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Q.2551·Miscellaneous·2023·Easy

The term, Phyllotaxy refers to the pattern of:

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Q.2552·Miscellaneous·2023·Easy

There are plenty of graduates anxious for work.

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Q.2553·Miscellaneous·2023·Easy

In the following simplified diagram of a plant cell, five parts/organelles are marked from 1 to 5: Which one of the following correctly represents the above parts/organelles?

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Q.2554·Miscellaneous·2023·Easy

What is the total number of naturally occurring elements?

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Q.2555·Miscellaneous·2023·Easy

What is the largest number which divides both 2^35 - 1 and 2^91 - 1 ?

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Q.2556·Miscellaneous·2023·Easy

In ovules of Angiosperms, which one of the following is not a haploid cell?

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