This secondary pollutant has caused significant damage to the beauty of historical monuments like the Taj Mahal and Red fort. Identify the correct match of the responsible pollutant and its characteristics feature.

Among the air pollutants which gas is responsible for the damage caused to Taj Mahal .

Identify the pollutant gases largely responsible for the discoloured and lustreless nature of marble of the Taj Mahal.

Identify the pollutant gases largely responsible for the discoloured and lustreless nature of marble of the Taj Mahal.

Identify the pollutant gases largely responsible for the discoloured and lustreless nature of marble of the Taj Mahal.

Identify the correct statement w.r.t. the given cell A. Concerned with lipid and steroidal hormone synthesis B. Outer non- living rigid structure which gives shape to the cell and protects from mechanical damage and infaction . C. Both lie perpendicular to each other and each has an organisation like the cart wheel . D. Responsible for trapping light energy for the synthesis of sugar. E. Present in cells actively involved in protein synthesis and secretion. F. Spherical structures rich in hydrolytic enzymes.

Identify the correct statement w.r.t. the given cell A. Concerned with lipid and steroidal hormone synthesis B. Outer non- living rigid structure which gives shape to the cell and protects from mechanical damage and infaction . C. Both lie perpendicular to each other and each has an organisation like the cart wheel . D. Responsible for trapping light energy for the synthesis of sugar. E. Present in cells actively involved in protein synthesis and secretion. F. Spherical structures rich in hydrolytic enzymes.

Taj Mahal is regarded as eighth wonder the world. Millions of people from India and from abroad visit this great historic monument every year. They appreciate the architecture and the carvings. It is indeed, very prestigeous for every Indian. But over the years, it has faced immense pollution problems. It has lost its Iustre due to the presence of traces of hydrogen sulphide and other pollutants present in air. (i)What is the main reason for the damage done to Taj Mahal and other historical monuments ? (ii) How is damage actually caused ? (iii) Suggest some ways to check the pollution ?