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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.9721·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.9722·Miscellaneous·2016·Easy

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

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Q.9723·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.9724·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.9725·Miscellaneous·2016·Easy

‘Altitude sickness’ is caused at high altitude due to

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Q.9726·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.9727·Miscellaneous·2016·Easy

The spring constant of a spring depends on its

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Q.9728·Miscellaneous·2016·Easy

In the gamma decay of a nucleus

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Q.9729·Miscellaneous·2016·Easy

In a bipolar junction transistor

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Q.9730·Miscellaneous·2016·Easy

The pressure exerted by a 760 mm column of mercury at 0°C is known as

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Q.9731·Miscellaneous·2016·Easy

Which one of the following physical quantities has the same dimensions as that of Planck’s constant h ?

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Q.9732·Miscellaneous·2016·Easy

Which one of the following statements is not correct?

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Q.9733·Miscellaneous·2016·Easy

Which one of the following hormones is essential for the uptake of glucose by cells in the human body?

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Q.9734·Miscellaneous·2016·Easy

Which of the following cells do not contain nucleus? 1. Root hair cells 2. Red blood cells 3. Platelets 4. Monocytes Select the correct answer using the code given below.

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Q.9735·Miscellaneous·2016·Easy

Biological catalysts are protein molecules which 1. speed up a chemical reaction 2. remain unchanged after reaction 3. function optimally at 37°C 4. do not have an enzymatic activity Select the correct answer using the code given below.

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Q.9736·Miscellaneous·2016·Easy

Match List-I with List-II and select the correct answer using the code given below the Lists: List-I (Element) List-II (Property/Use) A. Mg 3. Traps the energy of sunlight in photosynthesis B. Ca 4. Control of muscle contraction C. Sr 1. Gives red colour to flame D. Ba 2. Sulphate compound used in medicine to examine the alimentary canal of a patient Code:

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Q.9737·Miscellaneous·2016·Easy

Which one of the following statements is correct?

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Q.9738·Miscellaneous·2016·Easy

In case of a standard hydrogen electrode

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