Basic general knowledge

281. The ozone layer restricts

visible light
infrared radiation
x-rays and gamma rays
ultraviolet radiation

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class="read-more button" href="https://exam.pscnotes.com/mcq/the-ozone-layer-restricts/#more-53242">Detailed SolutionThe ozone layer restricts

282. The three abundant elements in the earth’s crust are aluminium, oxygen and silicon. The correct order of their abundance is

oxygen, aluminium, silicon
aluminium, silicon, oxygen
oxygen, silicon, aluminium
silicon, oxygen, aluminium

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abundance is" class="read-more button" href="https://exam.pscnotes.com/mcq/the-three-abundant-elements-in-the-earths-crust-are-aluminium-oxygen-and-silicon-the-correct-order-of-their-abundance-is/#more-53232">Detailed SolutionThe three abundant elements in the earth’s crust are aluminium, oxygen and silicon. The correct order of their abundance is

283. The unit of current is

ohm
watt
ampere
None of the above

Detailed Solution

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class="screen-reader-text">The unit of current is

284. The state having maximum cities is

Uttar Pradesh
West Bengal
Madhya Pradesh
Kerala

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class="read-more button" href="https://exam.pscnotes.com/mcq/the-state-having-maximum-cities-is/#more-53157">Detailed SolutionThe state having maximum cities is

285. Ms. Medha Patkar is associated with the

Tehri project
Enron project
Sardar Sarovar project
Dabhol project

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button" href="https://exam.pscnotes.com/mcq/ms-medha-patkar-is-associated-with-the/#more-53132">Detailed SolutionMs. Medha Patkar is associated with the

286. Most commonly used bleaching agent is

alcohol
carbon dioxide
chlorine
sodium chloride

Detailed SolutionMost

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commonly used bleaching agent is

287. Human Rights Day is on

24-Feb
10-Dec
15-May
21-Jul

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on" class="read-more button" href="https://exam.pscnotes.com/mcq/human-rights-day-is-on/#more-53113">Detailed SolutionHuman Rights Day is on

288. What is the density of population in Chandigarh?

7,902/sq. km
1,008/sq. km
5,512/sq. km
2,669/sq. km

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button" href="https://exam.pscnotes.com/mcq/what-is-the-density-of-population-in-chandigarh/#more-53109">Detailed SolutionWhat is the density of population in Chandigarh?

289. The host of first Olympics in 1896 was

Athens, Greece
Paris, France
Los Angeles, USA
London, Great Britain

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290. If force is expressed in Newton and the distance in metre, then the work done is expressed in

Joule
Kg wt m
Kg wt
Watt

Detailed SolutionIf force

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is expressed in Newton and the distance in metre, then the work done is expressed in

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