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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.9703·Miscellaneous·2016·Easy

The value of 1/5 log10 3125 – 4 log10 2 + log10 32 is

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Q.9704·Miscellaneous·2016·Easy

The value of the expression (243 + 647)^2 + (243 – 647)^2 / 243 × 243 + 647 × 647 is equal to

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Q.9705·Miscellaneous·2016·Easy

If a and b are negative real numbers and c is a positive real number, then which of the following is/are correct? 1. a – b < a – c 2. If a < b, then a/c < b/c 3. 1/b < 1/c Select the correct answer using the code given below:

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Q.9706·Miscellaneous·2016·Easy

Which one of the following gases is released mostly from landfills in urban areas?

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Q.9707·Miscellaneous·2016·Easy

Which one of the following air pollutants combines with the haemoglobin of human blood and reduces its oxygen-carrying capacity, leading to suffocation and may cause even death?

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Q.9708·Miscellaneous·2016·Easy

An irregular mode of reproduction resulting in the development of an embryo without fertilization is called 1. Parthenogenesis 2. Apogamy 3. Sporophytic budding Select the correct answer using the code given below.

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Q.9709·Miscellaneous·2016·Easy

Which one of the following is not an allotrope of carbon?

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Q.9710·Miscellaneous·2016·Easy

In paper manufacturing, degumming of the raw material is done using

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Q.9711·Miscellaneous·2016·Easy

Dolomite powder is applied in some agricultural lands. The purpose of applying it is to

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Q.9712·Miscellaneous·2016·Easy

Deficiency of fluoride leads to which one of the following health problems?

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Q.9713·Miscellaneous·2016·Easy

Excessive use of which of the following fertilizers may be responsible for the presence of a toxic substance in groundwater?

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Q.9714·Miscellaneous·2016·Easy

Which one of the following elements does not form solid hydrogen carbonate?

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Q.9715·Miscellaneous·2016·Easy

According to Census 2011, which one of the following is the correct sequence of States in decreasing order of their total size of population?

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Q.9716·Miscellaneous·2016·Easy

With reference to earthquakes, which of the following statements are correct? 1. Earthquakes largely occur along the converging plate boundaries. 2. Point of origin of earthquake in lithosphere is known as focus/hypocentre. 3. Intensity of earthquake decreases with distance from the epicentre. 4. Epicentre of earthquake always remains over continents only. Select the correct answer using the code given below.

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Q.9717·Miscellaneous·2016·Easy

‘Altitude sickness’ is caused at high altitude due to

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Q.9718·Miscellaneous·2016·Easy

Which of the following pairs of Indian State and tribal population are correct? 1. Madhya Pradesh: Largest tribal population 2. Mizoram: Highest percentage of tribal population out of the total population of the State 3. Chhattisgarh: Second largest tribal population after Madhya Pradesh 4. Arunachal Pradesh: Second highest percentage of tribal population out of the total population of the State after Mizoram Select the correct answer using the code given below.

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Q.9719·Miscellaneous·2016·Easy

The spring constant of a spring depends on its

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Q.9720·Miscellaneous·2016·Easy

In the gamma decay of a nucleus

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