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UPSC Exam Pattern, UPSC Questions with Answers Page 40

(#M40025000) UPSC QUESTION Mental Ability Keep an EYE

Radioactivity is measured by [UPSC 2008]

Geiger-Muller counter
Polarimeter
Calorimeter
Colorimeter

Asked In UPSC MAN (12 years ago)

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(#M40024999) UPSC QUESTION Mental Ability Keep an EYE

Microbial fuel cells are considered a source of sustainable energy. Why?
1. They use living organisms as catalysts to generate electricity from certain substrates.
2. They use a variety of inorganic materials as substrates.
3. They can be installed in waste water treatment plants to cleanse water and produce electricity.
Which of the statements given above is/are correct? [UPSC 2011 (CS-P)]

1 only
2 and 3 only
1 and 3 only
1, 2 and 3

Asked In UPSC MAN (12 years ago)

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(#M40024998) UPSC QUESTION Mental Ability Keep an EYE

Indiscriminate disposal of used fluorescent electric lamps causes mercury pollution in the environment. Why is mercury used in the manufacture of these lamps? [UPSC 2010 (CS-P)]

A mercury coating on the inside of the lamp makes the light bright white.
When the lamp is switched on, the mercury in the lamp causes the emission of ultra – violet radiations.
When the lamp is switched on, it is the mercury which converts the ultra – violet energy into visible light.
None of the statement given above is correct about the use of mercury in the manufacture of fluorescent lamps

Asked In UPSC MAN (12 years ago)

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(#M40024997) UPSC QUESTION Mental Ability Keep an EYE

In the structure of planet. Earth, below the mantle, the core is mainly made up of which one of the following? [UPSC 2009(CS-P)]

Aluminium
Chromium
Iron
Silicon

Asked In UPSC MAN (12 years ago)

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(#M40024996) UPSC QUESTION Mental Ability Keep an EYE

If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because [UPSC 2011 (CS-P)]

Asked In UPSC MAN (12 years ago)

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(#M40024995) UPSC QUESTION Mental Ability Keep an EYE

Recently, “oilzapper” was in the news. What is it? [UPSC 2011 (CS-P)]

It is an eco-friendly technology for the remediation of oily sludge and oil spills
It is the latest technology developed for under-sea oil exploration
It is a genetically engineered high biofuel-yielding maize variety
It is the latest technology to control the accidentally caused flames from oil wells.

Asked In UPSC MAN (12 years ago)

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(#M40024994) UPSC QUESTION Mental Ability Keep an EYE

Which one of the following processes in the bodies of living organisms is a digestive process? [UPSC 2010 (CS-P)]

Breakdown of proteins into amino acids
Breakdown of glucose into CO2 and H2O.
Conversion of glucose into glycogen.
Conversion of amino acids into proteins.

Asked In UPSC MAN (12 years ago)

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(#M40024993) UPSC QUESTION Mental Ability Keep an EYE

Which one of the following is the largest terrestrial wild animal? [UPSC 2008]

Indian elephant
African elephant
Giraffe
White tiger

Asked In UPSC MAN (12 years ago)

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(#M40024992) UPSC QUESTION Mental Ability Keep an EYE

Which one of the following is not a site for in-situ method of conservation of flora? [UPSC 2011 (CS-P)]

Biosphere Reserve
Botanical Garden
National Park
Wildlife Sanctuar

Asked In UPSC MAN (12 years ago)

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(#M40024991) UPSC QUESTION Mental Ability Keep an EYE

Which one of the following is known as Marsh gas? [UPSC 2008]

CO
CH4
CO2
H2

Asked In UPSC MAN (12 years ago)

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