[Practice MCQ with Prelims Tricks] With reference to Delhi's air pollution and its relation to surrounding agricultural practices, consider the following statements:
1. Stubble burning is the sole significant contributor to Delhi's PM2.5 levels during October-November.
2. Measures such as traffic control and restricted construction activities under the GRAP have shown improvements in air quality during severe conditions.
Which of the statements given above is/are correct?
Statement 1: Incorrect
- Delhi’s
PM2.5 spike in Oct–Nov is high due to stubble burning, but vehicles,
industries, construction dust, waste burning, and weather also
contribute.
- “Sole
significant contributor” → an extreme/absolute word.
- Trick: In
UPSC, extreme words like sole, only, entirely often make a
statement wrong.
Statement 2: Correct
- GRAP
measures (traffic limits, construction bans, industrial curbs) have
shown some improvement, even if temporary.
- Trick: No
extreme wording here → factual & moderate → mostly correct.
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