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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.9325·Miscellaneous·2016·Easy

One of the main causes of air pollution in cities is emissions from vehicles like cars and trucks. Cars emit various pollutants which are bad for human health when inhaled, like 1. Nitrogen oxides (NOₓ) 2. Carbon monoxide (CO) 3. Carbon dioxide (CO₂) 4. Benzene Which of the above pollutants are not tolerated by human beings even at very low levels?

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Q.9326·Miscellaneous·2016·Easy

Which one of the following is not a chemical change?

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Q.9327·Miscellaneous·2016·Easy

The phosphorus used in the manufacture of safety matches is

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Q.9328·Miscellaneous·2016·Easy

Density of water is

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Q.9329·Miscellaneous·2016·Easy

A container is first filled with water and then the entire water is replaced by mercury. Mercury has a density of 13.6 × 10³ kg/m³. If X is the weight of the water and Y is the weight of the mercury, then  

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Q.9330·Miscellaneous·2016·Easy

In this question consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the answers to these items using the code given below: Statement I : India has wide variation in population density. Statement II : Factors like agricultural productivity and history of settlements have greatly influenced the population density pattern in India.

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Q.9331·Miscellaneous·2016·Easy

Mass of a particular amount of substance 1. is the amount of matter present in it. 2. does not vary from place to place. 3. changes with change in gravitational force. Select the correct answer using the code given below:

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Q.9332·Miscellaneous·2016·Easy

In this question consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the answers to these items using the code given below: Statement I : Plantation farming has mostly been practised in humid tropics. Statement II : The soil of humid tropics is highly fertile.

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Q.9333·Miscellaneous·2016·Easy

In this question consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the answers to these items using the code given below: Statement I : Volcanic eruption is accompanied by earthquakes. Statement II : Volcanoes erupt water vapours and dust particles in the atmosphere.

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Q.9334·Miscellaneous·2016·Easy

In this question consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the answers to these items using the code given below: Statement I : There is high salinity in Red Sea. Statement II : Rate of evaporation is high in Red Sea.

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Q.9335·Miscellaneous·2016·Easy

In this question consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the answers to these items using the code given below: Statement I : Petroleum is a mixture of many different hydrocarbons of different densities. Statement II : The grade of petroleum depends mainly on the relative proportion of the different hydrocarbons.

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Q.9336·Miscellaneous·2016·Easy

A given conductor carrying a current of 1 A produces an amount of heat equal to 2000 J. If the current through the conductor is doubled, the amount of heat produced will be

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Q.9337·Miscellaneous·2016·Easy

A man weighing 70 kg is coming down in a lift. If the cable of the lift breaks suddenly, the weight of the man would become

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Q.9338·Miscellaneous·2016·Easy

A racing car accelerates on a straight road from rest to a speed of 50 m/s in 25 s. Assuming uniform acceleration of the car throughout, the distance covered in this time will be

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Q.9339·Miscellaneous·2016·Easy

Deserts, fertile plains and moderately forested mountains are the characteristic features of which one of the following regions of India?

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Q.9340·Miscellaneous·2016·Easy

Areas which are engines for economic growth supported by quality infrastructure and complemented by an attractive fiscal package are known as

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Q.9341·Miscellaneous·2016·Easy

Consider the following statements: 1. All Echinoderms are not marine. 2. Sponges are exclusively marine. 3. Insects are found in all kinds of habitats. 5. Many primates are arboreal. Which of the statements given above is/are correct?

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Q.9342·Miscellaneous·2016·Easy

Which of the following pairs of vector and disease is/are correctly matched? S.No. Vector Disease 1 Anopheles Malaria 2 Aedes aegypti Chikungunya 3 Tsetse fly Filariasis 4 Bed bugs Sleeping sickness Select the correct answer using the code given below:

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