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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.10441·Miscellaneous·2015·Easy

Which endocrine gland requires iodine to synthesize a particular hormone whose deficiency may cause goitre disease?

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Q.10442·Miscellaneous·2015·Easy

The product of conductivity and resistivity of a conductor

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Q.10443·Miscellaneous·2015·Easy

Permanent hardness of water is due to the presence of

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Q.10444·Miscellaneous·2015·Easy

Which of the following are the characteristics of organic farming? 1.Use of chemical fertilizers to improve soil fertility. 2.Frequent decomposing and fallowing. 3.Use of herbs to control pests. 4.Higher productivity per hectare. Select the correct answer using the code given below:

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Q.10445·Miscellaneous·2015·Easy

A farmer in a semi-arid area claims that his farming practice is very environment friendly. Which of the following practices on his farm can justify his claim? 1.Planting a tree belt. 2.Practising crop rotation. 3.Carrying out a large scale irrigation system. 4.Using organic fertilizers. Select the correct answer using the code given below:

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Q.10446·Miscellaneous·2015·Easy

Perspiration cools the body because

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Q.10447·Miscellaneous·2015·Easy

Which one of the following is not a part of nerves?

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Q.10448·Miscellaneous·2015·Easy

When you walk on a woolen carpet and bring your finger near the metallic handle of a door an electric shock is produced. This is because

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Q.10449·Miscellaneous·2015·Easy

Washing Soda is the common name for

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Q.10450·Miscellaneous·2015·Easy

Which one of the following Indian states has the highest proportion of area under forest cover ?

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Q.10451·Miscellaneous·2015·Easy

A deep sea diver may hurt his ear drum during diving because of

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Q.10452·Miscellaneous·2015·Easy

Two cards are drawn successively without replacement from a well-shuffled pack of 52 cards. The probability of drawing two aces is

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Q.10453·Miscellaneous·2015·Easy

In throwing of two dice, the number of exhaustive events that ‘5’ will never appear on any one of the dice is

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Q.10454·Miscellaneous·2015·Easy

The ‘less than’ ogive curve and the ‘more than’ ogive curve intersect at

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Q.10455·Miscellaneous·2015·Easy

A solid is melted and allowed to cool and solidify again. The temperature is measured at equal intervals of time. The graph below shows the change of temperature with time. The part of the curve that is practically horizontal is due to

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Q.10456·Miscellaneous·2015·Easy

'Yakuts' are the nomadic herders of

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Q.10457·Miscellaneous·2015·Easy

The mean of five numbers is 30. If one number is excluded, their mean becomes 28. The excluded number is

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Q.10458·Miscellaneous·2015·Easy

Match List I with List II and select the correct answer using the code given below the Lists: List I List II (State) (National Park/ Wildlife Sanctuary) List II (State) A. Chandra Prabha 1. Uttarakhand B. Silent Valley 2. Chhattisgarh C. Valley of flowers 3. Uttar Pradesh D. Indravati 4. Kerala

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