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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.4969·Miscellaneous·2020·Easy

The instrument used for detecting the presence of electric current in a circuit is

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Q.4970·Miscellaneous·2020·Easy

Which one of the following types of radiations has the smallest wavelength?

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Q.4971·Miscellaneous·2020·Easy

Which one of the following is NOT a cause of depletion in groundwater?

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Q.4972·Miscellaneous·2020·Easy

In case of a concave mirror, if an object is kept between principal focus F and pole P of the mirror, then which one of the following statements about the image is NOT correct?

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Q.4973·Miscellaneous·2020·Easy

Which one of the following was the first mineral acid discovered?

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Q.4974·Miscellaneous·2020·Easy

Which one of the following is NOT a reason of decrease in biodiversity?

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Q.4975·Miscellaneous·2020·Easy

Which one of the following is NOT a component of human male reproductive system?

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Q.4976·Miscellaneous·2020·Easy

Which one among the following was NOT a Panch Sheel principle?

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Q.4977·Miscellaneous·2020·Easy

A data set of n observations has mean 2M, while another data set of 2n observations has mean M. What is the mean of the combined data sets?

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Q.4978·Miscellaneous·2020·Easy

Marks Physics Mathematics 10 – 20 8 10 20 – 30 11 21 30 – 40 30 38 40 – 50 26 15 50 – 60 15 10 60 – 70 10 6 The difference between number of students under Physics and Mathematics is largest for the interval

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Q.4979·Miscellaneous·2020·Easy

Marks Physics Mathematics 10 – 20 8 10 20 – 30 11 21 30 – 40 30 38 40 – 50 26 15 50 – 60 15 10 60 – 70 10 6 Consider the following statements: 1. Modal value of the marks in Physics lies in the interval 30 – 40. 2. Median of the marks in Physics is less than that of marks in Mathematics. Which of the above statements is/are correct?

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Q.4980·Miscellaneous·2020·Easy

Marks Physics Mathematics 10 – 20 8 10 20 – 30 11 21 30 – 40 30 38 40 – 50 26 15 50 – 60 15 10 60 – 70 10 6 What is the mean of marks in Physics?

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Q.4981·Miscellaneous·2020·Easy

Deendayal Port is located at

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Q.4982·Miscellaneous·2020·Easy

Which one of the following cities is associated with Biosafety Protocol to the Convention on Biological Diversity (2000)?

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Q.4983·Miscellaneous·2020·Easy

Krishna Raja Sagara Dam/Reservoir is developed on

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Q.4984·Miscellaneous·2020·Easy

Which one of the following Indian states does NOT share international border with two or more countries?

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Q.4985·Miscellaneous·2020·Easy

According to Census of India, 2011, which one among the following is the least populated state in India?

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Q.4986·Miscellaneous·2020·Easy

The speakers of major Indian languages belong to how many language families?

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