Pollutants discolouring the white marble of which monument in Agra caused concern?
ATaj Mahal
BRed Fort
CQutub Minar
DHawa Mahal
Answer & Solution
Correct answer: A. Taj Mahal
1. Industries around Agra emit acid gases.
2. The Taj Mahal's marble is yellowing.
3. The Supreme Court ordered cleaner fuels.
_Source: syllabus Science, Chapter 18, Pollution of Air and Water._
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