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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 oxides is a neutral oxide?

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Q.524·Miscellaneous·2025·Easy

Which one of the following statements is correct?

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Q.525·Miscellaneous·2025·Easy

Which one of the following particles in the nucleus of an atom was discovered by J. Chadwick?

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Q.526·Miscellaneous·2025·Easy

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

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Q.527·Miscellaneous·2025·Easy

Which one of the following statements is NOT correct?

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Q.528·Miscellaneous·2025·Easy

Which one of the following statements is NOT correct?

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Q.529·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.530·Miscellaneous·2025·Easy

Chronologically arrange the following political events related to Indian National Movement beginning from the earliest: 1. Formation of Swaraj Party 2. Communal Award 3. Lucknow Pact 4. Simla Conference Select the answer using the code given below:

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Q.531·Miscellaneous·2025·Easy

Temperate forests of South India, known as 'Sholas' are found in which of the following hills? 1. Anaimalai 2. Nilgiris 3. Palani Select the answer using the code given below:

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Q.532·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.533·Miscellaneous·2025·Easy

Which among the following Acts provided for the establishment of a Supreme Court of Justice at Calcutta for Europeans, their employees and the citizens of India?

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Q.534·Miscellaneous·2025·Easy

Which one of the following statements is NOT correct?

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Q.535·Miscellaneous·2025·Easy

What is the common characteristic of the chemical substances generally known as CL-20, HMX and LLM-105, which are sometimes talked about in media?

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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

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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Q.539·Miscellaneous·2025·Easy

Consider the following: I. Cigarette butts II. Eyeglass lenses III. Car tyres How many of them contain plastic?

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Q.540·Miscellaneous·2025·Easy

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

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