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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.4123·Miscellaneous·2021·Easy

Which one of the following nations is not a permanent member of G7?

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Q.4124·Miscellaneous·2021·Easy

Operation Olivia, an initiative to protect Olive Ridley turtles, is undertaken by

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Q.4125·Miscellaneous·2021·Easy

Who among the following is the winner of the French Open 2021 Men’s Singles Final?

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Q.4126·Miscellaneous·2021·Easy

Economist Rebeca Grynspan, who recently became the first woman to be appointed as the head of the United Nations Conference on Trade and Development (UNCTAD), hails from

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Q.4127·Miscellaneous·2021·Easy

‘Belt and Road Initiative’ is a foreign policy initiative of

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Q.4128·Miscellaneous·2021·Easy

Which one of the following is the theme of the International Day of Yoga 2021?

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Q.4129·Miscellaneous·2021·Easy

Kenneth Kaunda, who died recently at the age of 97, was the former president of

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Q.4130·Miscellaneous·2021·Easy

The maiden Indian Navy – European Union Naval Force (IN-EUNAVFOR) Exercise (2021) was conducted in

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Q.4131·Miscellaneous·2021·Easy

According to the New Cartesian Sign Convention, which one of the following is correct in respect of the formula 1/f = 1/v + 1/u, where symbols have their usual meanings?

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Q.4132·Miscellaneous·2021·Easy

Movement of materials to different parts of cytoplasm and nucleus is generally carried out by

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Q.4133·Miscellaneous·2021·Easy

In mitochondria, ATP synthesizing chemical reactions take place in the

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Q.4134·Miscellaneous·2021·Easy

Squamous epithelial cells are found in the inner lining of

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Q.4135·Miscellaneous·2021·Easy

Transformation of meristematic cells into specific permanent tissues occurs by the process of

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Q.4136·Miscellaneous·2021·Easy

The gaseous product of a process in plants is a requirement for another vital process that releases energy. Given below are four combinations of the process and product. Identify the correct answer.

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Q.4137·Miscellaneous·2021·Easy

In a dicot pot herb, vaseline/vegetable oil was applied on the upper surface of one leaf (Experimental leaf 1) and on the lower surface of another leaf (Experimental leaf 2). Vaseline/Vegetable oil was not applied on the control leaf. The plant was deliberately not watered for several days. Which leaf will dry up last?

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Q.4138·Miscellaneous·2021·Easy

Which one of the following statements is not correct for light rays?

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Q.4139·Miscellaneous·2021·Easy

A glass prism splits white light into different colours. This phenomenon is called dispersion of light by prism. Which one of the following statements is correct?

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Q.4140·Miscellaneous·2021·Easy

Which one of the following formulas does not represent electrical power?

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