[Practice MCQ with Prelims Tricks] With reference to Delhi's air pollution and its relation to surrounding agricultural practices, consider the following statements:

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.