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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.9937·Miscellaneous·2016·Easy

Genetically modified (GM) crops contain modified genetic material due to : 1.introduction of new DNA 2.removal of existing DNA 3.introduction of RNA i4.ntroduction of new traits Select the correct answer using the code given below:

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Q.9938·Miscellaneous·2016·Easy

In artificial insemination (AI) process, which of the following is / are introduced into the uterus of the female?

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Q.9939·Miscellaneous·2016·Easy

Which one of the following is the correct sequence of the given planets in increasing order of their size (diameter)?

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Q.9940·Miscellaneous·2016·Easy

Stalactites and stalagmites are features of:

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Q.9941·Miscellaneous·2016·Easy

Headquarters of which one among the following Railway Zones in India is situated at the highest elevation from the mean sea level?

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Q.9942·Miscellaneous·2016·Easy

Which one of the following islands is of volcanic origin?

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Q.9943·Miscellaneous·2016·Easy

The 'eye' of the cyclone has:

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Q.9944·Miscellaneous·2016·Easy

Suppose ABC is a triangle with AB of unit length. D and E are the points lying on AB and AC respectively such that BC and DE are parallel. If the area of triangle ABC is twice the area of triangle ADE, then the length of AD is

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Q.9945·Miscellaneous·2016·Easy

Which one of the following is the reason due to which the wind in the southern hemisphere is deflected towards its left?

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Q.9946·Miscellaneous·2016·Easy

Suppose chords AB and CD of a circle intersect at a point P inside the circle. Two right-angled triangles A′P′B′ and C′Q′D′ are formed as shown in the figures below such that A′P′ = AP, B′P′ = BP, C′Q′ = CP, D′Q′ = DP and ∠A′P′B′ = 90° = ∠C′Q′D′: Which of the following statements are not correct? 1. A′P′B′ and C′Q′D′ are similar triangles, but need not be congruent. 2. A′P′B′ and C′Q′D′ are congruent triangles. 3. A′P′B′ and C′Q′D′ are triangles of same area. 4. A′P′B′ and C′Q′D′ are triangles of same perimeter. Select the correct answer using the code given below.

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Q.9947·Miscellaneous·2016·Easy

Two poles are placed at P and Q on either side of a road such that the line joining P and Q is perpendicular to the length of the road. A person moves x metre away from P parallel to the road and places another pole at R. Then the person moves further x metre in the same direction and turns and moves a distance y metre away from the road perpendicularly, where he finds himself, Q and R on the same line. The distance between P and Q (i.e., the width of the road) in metre is

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Q.9948·Miscellaneous·2016·Easy

Which one of the following is the cause of long-term sea-level change?

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Q.9949·Miscellaneous·2016·Easy

A truck moves along a circular path and describes 100 m when it has traced out 36° at the centre. The radius of the circle is equal to

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Q.9950·Miscellaneous·2016·Easy

Which one of the following is an example of chemical change?

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Q.9951·Miscellaneous·2016·Easy

The salary of a person is increased by 10% of his original salary. But he received the same amount even after increment. What is the percentage of his salary he did not receive?

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Q.9952·Miscellaneous·2016·Easy

Which one of the following hormones contains peptide chain?

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Q.9953·Miscellaneous·2016·Easy

In a race of 1000 m, A beats B by 100 m or 10 seconds. If they start a race of 1000 m simultaneously from the same point and if B gets injured after running 50 m less than half the race length and due to which his speed gets halved, then by how much time will A beat B ?

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Q.9954·Miscellaneous·2016·Easy

Two pipes A and B can fill a tank in 60 minutes and 75 minutes respectively. There is also an outlet C . If A, B and C are opened together, the tank is full in 50 minutes. How much time will be taken by C to empty the full tank?

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