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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.14635·Miscellaneous·2011·Easy

Two important rivers — one with its source in Jharkhand (and known by a different name in Odisha), and another, with its source in Odisha — merge at a place only a short distance from the coast of Bay of Bengal before flowing into the sea. This is an important site of wildlife and biodiversity and a protected area. Which one of the following could be this?

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Q.14636·Miscellaneous·2011·Easy

A rapid increase in the rate of inflation is sometimes attributed to the “base effect”. What is “base effect”?

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Q.14637·Miscellaneous·2011·Easy

India is regarded as a country with “Demographic Dividend”. This is due to

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Q.14638·Miscellaneous·2011·Easy

Regarding “carbon credits”, which one of the following statements is not correct?

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Q.14639·Miscellaneous·2011·Easy

Which one of the following is not a feature of “Value Added Tax”?

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Q.14640·Miscellaneous·2011·Easy

A “closed economy” is an economy in which

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Q.14641·Miscellaneous·2011·Easy

When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because

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Q.14642·Miscellaneous·2011·Easy

The "New START" treaty was in the news. What is this treaty?

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Q.14643·Miscellaneous·2011·Easy

Three persons start walking together and their steps measure 40 cm, 42 cm and 45 cm respectively. What is the minimum distance each should walk so that each can cover the same distance in complete steps?

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Q.14644·Miscellaneous·2011·Easy

Three of the following criteria have contributed to the recognition of Western Ghats-Sri Lanka and Indo-Burma regions as hotspots of biodiversity: 1.Species richness 2.Vegetation density 3.Endemism 4.Ethno-botanical importance 5.Threat perception 6.Adaptation of flora and fauna to warm and humid conditions Which three of the above are correct criteria in this context?

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Q.14645·Miscellaneous·2011·Easy

Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere, but a lot of it does not remain in the lower atmosphere because of 1.Its escape into the outer stratosphere. 2.The photosynthesis by phytoplankton in the oceans. 3.The trapping of air in the polar ice caps. Which of the statements given above is/are correct?

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Q.14646·Miscellaneous·2011·Easy

In the context of ecosystem productivity, marine upwelling zones are important as they increase the marine productivity by bringing the 1.Decomposer microorganisms to the surface. 2.Nutrients to the surface. 2.Bottom-dwelling organisms to the surface. Which of the statements given above is/are correct?

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Q.14647·Miscellaneous·2011·Easy

If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because

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Q.14648·Miscellaneous·2011·Easy

The Himalayan Range is very rich in species diversity. Which one among the following is the most appropriate reason for this phenomenon?

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Q.14649·Miscellaneous·2011·Easy

With reference to India, consider the following Central Acts: 1.Import and Export (Control) Act, 1947 2.Mining and Mineral Development (Regulation) Act, 1957 3.Customs Act, 1962 4.Indian Forest Act, 1927 Which of the above Acts have relevance to/bearing on the biodiversity conservation in the country?

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Q.14650·Miscellaneous·2011·Easy

Karl Marx explained the process of class struggle with the help of which one of the following theories?

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Q.14651·Miscellaneous·2011·Easy

A layer in the Earth's atmosphere called Ionosphere facilitates radio communication. Why? 1.The presence of ozone causes the reflection of radio waves to Earth. 2.Radio waves have a very long wavelength. Which of the statements given above is/are correct?

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Q.14652·Miscellaneous·2011·Easy

Both Foreign Direct Investment (FDI) and Foreign Institutional Investor (FII) are related to investment in a country. Which one of the following statements best represents an important difference between the two?

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