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Trap Type Practice

Absolute Qualifier

Words like 'always', 'never', 'only', 'all' turn a mostly-true statement into a false one. UPSC uses absolute language to trap aspirants who think in generalizations.

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Practice Absolute Qualifier Questions

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Sample Questions (2025)

2025 Q2Science & Tech
With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements : I. All types of UAVs can do vertical landing. II. All types of UAVs can do automated hovering. III. All types of UAVs can use battery only as a source of power supply. How many of the statements given above are correct?
(a) Only one
(b) Only two
(c) All the three
(d) None
Answer: (d)
Trap: Absolute Qualifier
The keyword 'All types' is the absolute qualifier trap. Fixed-wing UAVs cannot hover or do vertical landing, and many UAVs use fuel engines. Candidates who think of only multirotor drones may mark (c).
2025 Q10Science & Tech
Consider the following statements : Statement I : Activated carbon is a good and an attractive tool to remove pollutants from effluent streams and to remediate contaminants from various industries. Statement II : Activated carbon exhibits a large surface area and a strong potential for adsorbing heavy metals. Statement III : Activated carbon can be easily synthesized from environmental wastes with high carbon content. Which one of the following is correct in respect of the above statements?
(a) Both Statement II and Statement III are correct and both of them explain Statement I
(b) Both Statement II and Statement III are correct but only one of them explains Statement I
(c) Only one of the Statements II and III is correct and that explains Statement I
(d) Neither Statement II nor Statement III is correct
Answer: (a)
Trap: Absolute Qualifier
Candidates may think Statement III (synthesis from waste) does not explain why activated carbon is a good pollutant remover (Statement I). But III explains the 'attractive tool' part - it's attractive because it can be made cheaply from waste. Both II and III explain different aspects of Statement I.
2025 Q11Science & Tech
Consider the following statements : Statement I : Studies indicate that carbon dioxide emissions from cement industry account for more than 5% of global carbon emissions. Statement II : Silica-bearing clay is mixed with limestone while manufacturing cement. Statement III : Limestone is converted into lime during clinker production for cement manufacturing. Which one of the following is correct in respect of the above statements?
(a) Both Statement II and Statement III are correct and both of them explain Statement I
(b) Both Statement II and Statement III are correct but only one of them explains Statement I
(c) Only one of the Statements II and III is correct and that explains Statement I
(d) Neither Statement II nor Statement III is correct
Answer: (a)
Trap: Absolute Qualifier
Candidates may think only Statement III (limestone to lime releases CO2) explains emissions, and Statement II (mixing clay with limestone) doesn't. But heating the silica-clay-limestone mix also requires enormous energy (burning fossil fuels), contributing to CO2. Both explain Statement I from different angles.
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