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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.1855·Miscellaneous·2023·Easy

How many of the following pairs of specialized agriculture and its products are correctly matched? 1.Apiculture: Honey 2.Sericulture: Silk 3.Silviculture: Forestry 4.Viticulture: Grapes Select the correct answer using the code given below:

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Q.1856·Miscellaneous·2023·Easy

What is the action of litmus on ethanol?

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Q.1857·Miscellaneous·2023·Easy

Which one of the following metal is NOT an essential component in stainless steel?

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Q.1858·Miscellaneous·2023·Easy

Match List I with List II and select the correct answer using the code given below the Lists: List I (Process) List II (Separation method) A. Separation of acetoneand water from their mixture 1. Chromatography B. Separation of water and kerosene oil from their mixture 2. Centrifugation C. Separation of cream from milk 3. Distillation D. Separation of pigments from plant extract 4. Separating Funnel

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Q.1859·Miscellaneous·2023·Easy

Arrange the following in correct chronological order: 1.Charak Samhita 2.Bharat’s Natyashastra 3.Sangam Literature 4.Ashtadhyay Select the correct answer using the code given below:

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Q.1860·Miscellaneous·2023·Easy

Which one of the following crops is generally benefitted by the rain caused by western disturbances in India?

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Q.1861·Miscellaneous·2023·Easy

Consider the following statements about Kavach, the automatic train protection system: 1.It is designed and developed by Research Design and Standard Organisation (RDSO) in collaboration with Railway Technical Research Institute (RTRI), Japan 2.The trials of Kavach were facilitated by the Southern Railway 3.Kavach is a state-of-the-art electronic system with Safety Integrity Level-4 (SIL-4) Which of the statements given above is/are correct?

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Q.1862·Miscellaneous·2023·Easy

Which of the following statements about the technological innovations during the Industrial Revolutions are correct? 1.Mule was the nickname for a machine invented in 1779, that allowed the spinning of strong and fine yarn. 2.Water Frame, invented in 1769 by Richard Arkwright, made it possible to weave pure cotton clothes. 3.Power loom, invented by Edmund Cartwright in 1787, could be used to weave any kind of materials. Select the correct answer using the code given below:

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Q.1863·Miscellaneous·2023·Easy

Who among the following is known as the architect of Indian planning?

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Q.1864·Miscellaneous·2023·Easy

Consider the following statements: 1.Terracotta models of the plough have been found at sites in Cholistan and at Banawali (Haryana). 2.There is evidence of a ploughed field at Kalibangan associated with the mature phase of the Harappan civilization. 3.The ploughed field at Kalibangan had two sets of furrows crossing at right angles to each other suggesting two different crops were grown together in it. Which of the statements given above are correct?

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Q.1865·Miscellaneous·2023·Easy

Which one of the following Ashokan Minor Rock Edicts contains the personal name of the king - Ashoka?

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Q.1866·Miscellaneous·2023·Easy

The Nova Kakhovka dam, which was in news recently, is situated in

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Q.1867·Miscellaneous·2023·Easy

A liquid is heated up to a certain temperature. Which one of the following situation would correspond to the boiling of the liquid?

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Q.1868·Miscellaneous·2023·Easy

Which one of the following is NOT an example of organic compound?

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Q.1869·Miscellaneous·2023·Easy

Ram records the odometer readings of his car for the distance covered from 2000 km at the start of his journey and 2400 km at the end of the journey after 8 hours. What is the average speed of the car?

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Q.1870·Miscellaneous·2023·Easy

Ms. Rani decides to convert her AC generator into a DC generator. Which one of the following she would need to use?

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Q.1871·Miscellaneous·2023·Easy

Which of the following statements are correct about the electrical resistance and resistivity of a wire? 1.Both quantities depend on the area of cross-section of the wire 2.Both depend on the temperature 3.Resistance of the wire is directly proportional to the resistivity of the wire 4.Resistivity of the wire is directly proportional to the length of the wire Select the correct answer using the code given below:

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Q.1872·Miscellaneous·2023·Easy

Which one of the following acid is used by goldsmith for cleaning of gold and silver articles?

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