Drishti IAS - English (Information & Motivation)
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Are you preparing for UPSC CSE Prelims 2023?
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Yes
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Drishti IAS - English (Information & Motivation)
If you are attempting #Prelims2023, follow the hashtag - #PrelimsWithDrishtiIAS - for daily updates! For more such questions follow https://drishti.link/PrelimsWithDrishtiIAS #200PinsForPrelims #UPSC #UPSC2023 #Greenhouse #Temperature #ClimateChange #Climate…
The correct answer is option (a).
Explanation:
The greenhouse effect refers to the rise in the global average temperature of the earth.
The greenhouse effect is a natural process that warms the Earth’s surface. When the Sun’s energy reaches the Earth’s atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases.
Greenhouse gases include water vapour, carbon dioxide, methane, nitrous oxide, ozone and some artificial chemicals such as chlorofluorocarbons (CFCs).
Human activities – particularly burning fossil fuels (coal, oil and natural gas), agriculture and land clearing – are increasing the concentrations of greenhouse gases. This is the enhanced greenhouse effect, which is contributing to warming of the Earth.
Therefore, option (a) is the correct answer.
Drishti IAS - English (Information & Motivation)
If you are attempting #Prelims2023, follow the hashtag - #PrelimsWithDrishtiIAS - for daily updates! For more such questions follow https://drishti.link/PrelimsWithDrishtiIAS #200PinsForPrelims #UPSC #UPSC2023 #IAS #CSE #Circuit #Current #Power #Prelims…
The correct answer is option (a).
Explanation:
Fuse refers to a safety device that protects electrical circuits from the effects of excessive currents.
A fuse commonly consists of a current-conducting strip or wire of easily fusible metal (alloy of lead and tin having low melting point of 200°C) that melts if a fault in an appliance causes too much current to flow, thus protecting the wiring and the appliance.
Therefore, option (a) is the correct answer.
Drishti IAS - English (Information & Motivation)
If you are attempting #Prelims2023, follow the hashtag - #PrelimsWithDrishtiIAS - for daily updates! For more such questions follow https://drishti.link/PrelimsWithDrishtiIAS #200PinsForPrelims #UPSC #UPSC2023 #IAS #CSE #Natural #Resources #Currency #Export…
The correct answer is option (a).
Explanation:
Dutch disease is a phenomenon wherein countries that are rich in natural resources witness uneven growth across sectors. According to it, when resource-rich countries export their resources to the rest of the world, it causes the exchange rate of their currency to appreciate significantly; this, in turn, affects other sectors in the country by discouraging their exports while encouraging the import of cheaper alternatives.
It was named after the impact, that discovery of natural gas in the North Sea had on the domestic economy in the Netherland. Gas exports lead to influx of foreign currency which appreciated the currency of Netherlands hampering the other sectors such as manufacturing.
Therefore, option (a) is the correct answer.