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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.4987·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.4988·Miscellaneous·2020·Easy

Krishna Raja Sagara Dam/Reservoir is developed on

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Q.4989·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.4990·Miscellaneous·2020·Easy

Which one of the following plant tissues has dead cells?

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Q.4991·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.4992·Miscellaneous·2020·Easy

When the short circuit condition occurs, the current in the circuit

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Q.4993·Miscellaneous·2020·Easy

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

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Q.4994·Miscellaneous·2020·Easy

What is the probability that February of a leap year selected at random, will have five Sundays ?

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Q.4995·Miscellaneous·2020·Easy

The arithmetic mean of 100 observations is 40. Later, it was found that an observation ‘53’ was wrongly read as ‘83’. What is the correct arithmetic mean ?

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Q.4996·Miscellaneous·2020·Easy

A husband and wife appear in an interview for two vacancies for the same post. The probability of the husband’s selection is 1/7 and that of the wife’s selection is 1/5. If the events are independent, then the probability of which one of the following is 11/35 ?

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Q.4997·Miscellaneous·2020·Easy

A dealer has a stock of 15 gold coins out of which 6 are counterfeits. A person randomly picks 4 of the 15 gold coins. What is the probability that all the coins picked will be counterfeits ?

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Q.4998·Miscellaneous·2020·Easy

A committee of 3 is to be formed from a group of 2 boys and 2 girls. What is the probability that the committee consists of 2 boys and 1 girl ?

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Q.4999·Miscellaneous·2020·Easy

In a lottery of 10 tickets numbered 1 to 10, two tickets are drawn simultaneously. What is the probability that both the tickets drawn have prime numbers ?

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Q.5000·Miscellaneous·2020·Easy

Consider a random variable X which follows Binomial distribution with parameters n = 10 and p = 1/5. Then Y = 10 – X follows Binomial distribution with parameters n and p respectively given by

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Q.5001·Miscellaneous·2020·Easy

Which one of the following is a cold local wind?

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Q.5002·Miscellaneous·2020·Easy

What was the consequence of Permanent Settlement on rural society in Bengal?

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Q.5003·Miscellaneous·2020·Easy

What was Damin-i-Koh in Rajmahal area?

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Q.5004·Miscellaneous·2020·Easy

Which one of the following statements about the Revolt of 1857 is correct?

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