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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.4645·Miscellaneous·2021·Easy

Refraction of light, as it enters from one transparent medium to another, is due to

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Q.4646·Miscellaneous·2021·Easy

A bus starting from a bus-stand and moving with uniform acceleration attains a speed of 20 km/h in 10 minutes. What is its acceleration?

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Q.4647·Miscellaneous·2021·Easy

Which one of the following is the correct reactivity order of metals reacting with dilute HCl?

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Q.4648·Miscellaneous·2021·Easy

Which one of the following acids is secreted by leaves of Nettle that causes painful stings?

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Q.4649·Miscellaneous·2021·Easy

Which of the following statements is/are correct? 1. All the bases are alkali. 2. All alkalis dissolve in water. 3. Alkalis are soapy to touch, bitter in taste and corrosive in nature. Select the correct answer using the code given below :

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Q.4650·Miscellaneous·2021·Easy

Which one of the following materials is present in a guard tube (drying tube) that is used for preparation of HCl gas?

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Q.4651·Miscellaneous·2021·Easy

Fertilizers are used to obtain higher yields of crops. However, all nutrients are usually not available in fertilizers. Which one of the following nutrients is usually not available in fertilizers?

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Q.4652·Miscellaneous·2021·Easy

Rupa and Sachin observed an animal in their school garden. Rupa called it an insect while Sachin identified it as an earthworm. Which one of the following characteristics confirms that it is an insect?

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Q.4653·Miscellaneous·2021·Easy

Animals which are marine, bilaterally symmetrical, have a coelom and a notochord, but never form a vertebral column are placed under which one of the following groups?

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Q.4654·Miscellaneous·2021·Easy

What is the location of intercalary meristem in plants?

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Q.4655·Miscellaneous·2021·Easy

The federation of which one of the following States has been described as “an indestructible union of indestructible states”?

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Q.4656·Miscellaneous·2021·Easy

Who among the following is the author of the famous essay, ‘The End of History and the Last Man’ ?

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Q.4657·Miscellaneous·2021·Easy

Which one of the following statements is not correct?

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Q.4658·Miscellaneous·2021·Easy

Which among the following is not a condition for the disqualification of a Member of Parliament?

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Q.4659·Miscellaneous·2021·Easy

Who among the following considered the Directive Principles of State Policy as aiming at ‘furthering the goals of social exclusion’?

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Q.4660·Miscellaneous·2021·Easy

D performs her train journey by the shortest route from Bengaluru to New Delhi. Which one of the following rivers will she not cross while performing the journey?

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Q.4661·Miscellaneous·2021·Easy

Identify the State on the basis of the following characteristics : 1. Tropic of Cancer passes through the State. 2. The State has more north-south extension. 3. The State has international border with Bangladesh and Myanmar. Select the correct answer using the code given below :

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Q.4662·Miscellaneous·2021·Easy

M wants to visit a place in a Union Territory, which is located at 34° N and 77° E. Which one of the following Union Territories must he have planned to visit?

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