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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.5581·Miscellaneous·2020·Easy

Everyone has to fight the inertia in the system.

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Q.5582·Miscellaneous·2020·Easy

He speaks eloquently and can pull crowds.

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Q.5583·Miscellaneous·2020·Easy

Early medieval period was not a combination of urban and rural civilization. It was not a period of urban decay as claimed by some.

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Q.5584·Miscellaneous·2020·Easy

Which one of the following is the correct sequence of events during sexual reproduction in plants ?

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Q.5585·Miscellaneous·2020·Easy

Which one of the following animals has a three-chambered heart? ?

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Q.5586·Miscellaneous·2020·Easy

Which one of the following is not an epidemic disease ?

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Q.5587·Miscellaneous·2020·Easy

The unit of the force constant k of a spring is

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Q.5588·Miscellaneous·2020·Easy

Which one of the following types of radiation has the shortest wavelength ?

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Q.5589·Miscellaneous·2020·Easy

In a periscope, the two plane mirrors are kept

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Q.5590·Miscellaneous·2020·Easy

Which one of the following is not true about the image formed by a plane mirror ?

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Q.5591·Miscellaneous·2020·Easy

If area of a circle and a square are same, then what is the ratio of their perimeters?

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Q.5592·Miscellaneous·2020·Easy

A circle of diameter 8 cm is placed in such a manner that it touches two perpendicular lines. Then another smaller circle is placed in the gap such that it touches the lines and the circle. What is the diameter of the smaller circle?

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Q.5593·Miscellaneous·2020·Easy

The thickness of a cylinder is 1 foot, the inner radius of the cylinder is 3 feet and height is 7 feet. To paint the inner surface it requires one litre of a particular colour. How much quantity of the same colour is required to paint all the surfaces of the cylinder?

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Q.5594·Miscellaneous·2020·Easy

When air is blown from mouth into a test tube containing limewater, the limewater turns milky. This is due to the presence of

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Q.5595·Miscellaneous·2020·Easy

A square and a rectangle have equal areas. If one side of the rectangle is of length numerically equal to the square of the length of the side of the square then the other side of the rectangle is

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Q.5596·Miscellaneous·2020·Easy

The length and breadth of a rectangle are in the ratio 4 : 3. Then what is the ratio of the area of the triangle formed by the parts of the diagonals with a long side to the area of the triangle formed by the parts of diagonals with a short side?

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Q.5597·Miscellaneous·2020·Easy

Suppose a region is formed by removing a sector of 20° from a circular region of radius 30 feet. What is the area of this new region?

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Q.5598·Miscellaneous·2020·Easy

The property of the sound waves that determines the pitch of the sound is its

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