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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.523·Miscellaneous·2025·Easy

Which one of the following findings is NOT observed in Rutherford's Nuclear Model of Atom?

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Q.524·Miscellaneous·2025·Easy

Placing the earliest first, arrange the following countries in the chronological order in which they granted universal adult franchise: 1. USA 2. Sri Lanka 3. Japan 4. India Select the answer using the code given below:

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Q.525·Miscellaneous·2025·Easy

Which one of the following statements is NOT correct?

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Q.526·Miscellaneous·2025·Easy

Who among the following was the founder of the 'Self-Respect Movement'?

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Q.527·Miscellaneous·2025·Easy

Indian Railways have prepared a National Rail Plan (NRP) to create a 'future ready' railway system by 2028. II. 'Kavach' is an Automatic Train Protection system developed in collaboration with Germany. III. 'Kavach' system consists of RFID tags fitted on track in station section. Which of the statements given above are not correct?

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Q.528·Miscellaneous·2025·Easy

With reference to India, consider the following pairs : Organization : Union Ministry I. The National : Ministry of Automotive Board Commerce and Industry II. The Coir Board : Ministry of Heavy Industries III. The National : Ministry of Micro, Centre for Trade Small and Medium Information Enterprises How many of the above pairs are correctly matched?

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Q.529·Miscellaneous·2025·Easy

As per the Annual Report 2023-24 of the Ministry of Mines, Government of India, which of the following states are the major producer of Copper in the country?

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Q.530·Miscellaneous·2025·Easy

Which one of the following terms is associated with the practice of Sufism?

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Q.531·Miscellaneous·2025·Easy

Consider the following statements : I. No virus can survive in ocean waters. II. No virus can infect bacteria. III. No virus can change the cellular transcriptional activity in host cells. How many of the statements given above are correct?

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Q.532·Miscellaneous·2025·Easy

Which one among the following is NOT included in the National Food Security Mission Commercial Crops (NFSM-CC) ?

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Q.533·Miscellaneous·2025·Easy

Consider the following statements : Statement I : Activated carbon is a good and an attractive tool to remove pollutants from effluent streams and to remediate contaminants from various industries. Statement II : Activated carbon exhibits a large surface area and a strong potential for adsorbing heavy metals. Statement III : Activated carbon can be easily synthesized from environmental wastes with high carbon content. Which one of the following is correct in respect of the above statements?

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Q.534·Miscellaneous·2025·Easy

Consider the following substances: I. Ethanol II. Nitroglycerine III. Urea Coal gasification technology can be used in the production of how many of them?

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Q.535·Miscellaneous·2025·Easy

Consider the following pairs : Country Resource-rich in I. Botswana : Diamond II. Chile : Lithium III. Indonesia : Nickel How many of the above rows is the given information correctly matched?

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Q.536·Miscellaneous·2025·Easy

Consider the following statements : I. It is expected that Majorana 1 chip will enable quantum computing. II. Majorana 1 chip has been introduced by Amazon Web Services (AWS). III. Deep learning is a subset of machine learning. Which of the statements given above are correct?

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Q.537·Miscellaneous·2025·Easy

With reference to monoclonal antibodies, often mentioned in news, consider the following statements: I. They are man-made proteins. II. They stimulate immunological function due to their ability to bind to specific antigens. III. They are used in treating viral infections like that of Nipah virus. Which of the statements given above are correct?

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Q.538·Miscellaneous·2025·Easy

The probability of a man hitting a target is 1/5. If the man fires 7 times, then what is the probability that he hits the target at least twice?

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Q.539·Miscellaneous·2025·Easy

Consider the following pairs : Region Country I. Mallorca : Italy II. Normandy : Spain III. Sardinia : France How many of the above rows is the given information correctly matched?

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Q.540·Miscellaneous·2025·Easy

Each State in India faces a distinctive set of challenges regarding the impact of warming, but also offers its own set of opportunities for reducing emissions depending on its natural resources. For example, coastal States need to take action to protect their shores from sea level rise, districts that are drier need to prepare for variable monsoon precipitation. Himalayan regions have their own unique challenges, and selected parts of peninsular India and offshore areas offer great opportunities for harnessing wind power. These various aspects need to be considered for developing clear and sustainable goals for the future. Which one of the following statements best reflects the most logical, rational and pragmatic message conveyed by the author of the passage?

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