IASbaba Daily Prelims Quiz
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The Current Affairs questions are based on sources like ‘The Hindu’, ‘Indian Express’ and ‘PIB’, which are very important sources for UPSC Prelims Exam. The questions are focused on both the concepts and facts. The topics covered here are generally different from what is being covered under ‘Daily Current Affairs/Daily News Analysis (DNA) and Daily Static Quiz’ to avoid duplication. The questions would be published from Monday to Saturday before 2 PM. One should not spend more than 10 minutes on this initiative.
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Question 1 of 5
1. Question
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With reference to the exchange rate of the Indian rupee, consider the following statements:
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Depreciation of the Indian rupee generally makes Indian exports more competitive in the global market.
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Appreciation of the rupee reduces the cost of imports, including crude oil, thereby potentially easing domestic inflation.
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A consistently appreciating rupee is always beneficial for India’s current account balance.
How many of the above statements is/are correct?
Correct
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Solution:(b)
Explanation:
- Statement 1: When the rupee depreciates, Indian goods become cheaper for foreign buyers, potentially boosting exports. Hence the statement is Correct
- Statement 2: Appreciation makes foreign goods cheaper, which reduces the import bill and can ease inflation, especially for commodities like oil. Hence the statement is Correct
Statement 3: A constantly appreciating rupee can hurt exports by making them costlier, which may widen the current account deficit in the long term, depending on trade elasticity. Hence the statement is Incorrect
Incorrect
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Solution:(b)
Explanation:
- Statement 1: When the rupee depreciates, Indian goods become cheaper for foreign buyers, potentially boosting exports. Hence the statement is Correct
- Statement 2: Appreciation makes foreign goods cheaper, which reduces the import bill and can ease inflation, especially for commodities like oil. Hence the statement is Correct
Statement 3: A constantly appreciating rupee can hurt exports by making them costlier, which may widen the current account deficit in the long term, depending on trade elasticity. Hence the statement is Incorrect
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Question 2 of 5
2. Question
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Consider the following Assertion and Reasoning regarding mangrove ecosystems:
Statement 1 (S1): Mangrove restoration plays a significant role in mitigating climate change despite covering a relatively small portion of the Earth’s surface.
Statement 2 (S2): Mangroves have one of the highest carbon sequestration rates among terrestrial and coastal ecosystems due to their ability to store large amounts of carbon in biomass but not in soil.
Correct
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Solution:(c)
Explanation:
- Statement 1 (S1) – True:
Mangroves play a disproportionate role in climate change mitigation relative to their area. They sequester and store large amounts of carbon (especially “blue carbon”) in both above-ground biomass and deep anoxic soils, making them critical carbon sinks.
Statement 2 (S2) – False:
While it is true that mangroves have high carbon sequestration, the claim that they store carbon only in biomass and not in soil is incorrect. In fact, mangrove soils are the major reservoirs of carbon, often storing more carbon than the plants themselves.Incorrect
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Solution:(c)
Explanation:
- Statement 1 (S1) – True:
Mangroves play a disproportionate role in climate change mitigation relative to their area. They sequester and store large amounts of carbon (especially “blue carbon”) in both above-ground biomass and deep anoxic soils, making them critical carbon sinks.
Statement 2 (S2) – False:
While it is true that mangroves have high carbon sequestration, the claim that they store carbon only in biomass and not in soil is incorrect. In fact, mangrove soils are the major reservoirs of carbon, often storing more carbon than the plants themselves. -
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Question 3 of 5
3. Question
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Consider the following statements:
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Most tsunamis generated in the Circum-Pacific Belt are triggered by earthquakes caused due to the vertical displacement of oceanic crust along subduction zones.
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Subduction zones in the Circum-Pacific Belt experience frequent low-magnitude earthquakes but rarely produce high-magnitude events due to continuous plate movement.
Which of the above statements is/are correct?
Correct
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Solution:(a)
Explanation:
- Statement 1: Tsunamis in the Circum-Pacific Belt are typically caused by megathrust earthquakes at subduction zones, where vertical movement of the ocean floor displaces large volumes of water. This is a well-established geophysical mechanism behind tsunamis. Hence the statement is Correct
Statement 2: Subduction zones do not only experience low-magnitude earthquakes. In fact, they are responsible for most of the world’s largest (8.0+ magnitude) earthquakes, as accumulated stress from converging plates is released suddenly. Continuous movement does not prevent high-magnitude quakes; rather, stress accumulation and sudden release are key characteristics. Hence the statement is Incorrect
Incorrect
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Solution:(a)
Explanation:
- Statement 1: Tsunamis in the Circum-Pacific Belt are typically caused by megathrust earthquakes at subduction zones, where vertical movement of the ocean floor displaces large volumes of water. This is a well-established geophysical mechanism behind tsunamis. Hence the statement is Correct
Statement 2: Subduction zones do not only experience low-magnitude earthquakes. In fact, they are responsible for most of the world’s largest (8.0+ magnitude) earthquakes, as accumulated stress from converging plates is released suddenly. Continuous movement does not prevent high-magnitude quakes; rather, stress accumulation and sudden release are key characteristics. Hence the statement is Incorrect
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Question 4 of 5
4. Question
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With reference to NISAR (NASA-ISRO Synthetic Aperture Radar) consider the following statements:
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NISAR will be the first to use dual-frequency synthetic aperture radar (SAR) in L- and S-bands operating simultaneously from the same platform.
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NISAR’s longer wavelength L-band SAR provides deeper subsurface penetration and biomass estimation capabilities.
Which of the statements given above is/are correct?
Correct
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Solution:(c)
Explanation:
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Statement 1: NISAR is the first satellite globally to feature dual-frequency SAR (L-band from NASA and S-band from ISRO) operating simultaneously from the same platform. This is its most unique feature, enabling it to observe both deep and surface-level geophysical changes in high detail. Hence the statement is Correct
Statement 2: Most other SAR missions like ESA’s Sentinel-1 (C-band) and Canada’s RADARSAT focus on medium-resolution monitoring. L-band SAR has longer wavelengths, making it better suited for penetrating vegetation, ice, and topsoil, and is especially useful for biomass estimation, a major goal of NISAR. Hence the statement is Correct
Incorrect
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Solution:(c)
Explanation:
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Statement 1: NISAR is the first satellite globally to feature dual-frequency SAR (L-band from NASA and S-band from ISRO) operating simultaneously from the same platform. This is its most unique feature, enabling it to observe both deep and surface-level geophysical changes in high detail. Hence the statement is Correct
Statement 2: Most other SAR missions like ESA’s Sentinel-1 (C-band) and Canada’s RADARSAT focus on medium-resolution monitoring. L-band SAR has longer wavelengths, making it better suited for penetrating vegetation, ice, and topsoil, and is especially useful for biomass estimation, a major goal of NISAR. Hence the statement is Correct
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Question 5 of 5
5. Question
Gross Domestic Product (GDP) at constant prices serves as a more accurate indicator of economic growth than GDP at current prices because:
Correct
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Solution:(b)
Explanation:
- GDP at Constant Prices (also called Real GDP) accounts for inflation by using the base year’s prices.
This means it reflects the true increase in physical output of goods and services. - In contrast, GDP at Current Prices (Nominal GDP) is measured using prices of the year in which output is produced — which can be inflated due to rising prices, not actual output growth.
Why other options are incorrect:
- (a): Excluding taxes/subsidies is a feature of GVA at basic prices, not GDP at constant prices.
- (c): GDP includes both goods and services — no such exclusion is made.
- (d): GDP does not reflect income distribution; it’s an aggregate figure, not an indicator of equity.
Incorrect
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Solution:(b)
Explanation:
- GDP at Constant Prices (also called Real GDP) accounts for inflation by using the base year’s prices.
This means it reflects the true increase in physical output of goods and services. - In contrast, GDP at Current Prices (Nominal GDP) is measured using prices of the year in which output is produced — which can be inflated due to rising prices, not actual output growth.
Why other options are incorrect:
- (a): Excluding taxes/subsidies is a feature of GVA at basic prices, not GDP at constant prices.
- (c): GDP includes both goods and services — no such exclusion is made.
- (d): GDP does not reflect income distribution; it’s an aggregate figure, not an indicator of equity.
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