21. River restoration projects in Tamil Nadu might involve:

Removing encroachments
Planting trees along riverbanks
Treating wastewater
All of the above

Detailed SolutionRiver restoration projects in Tamil Nadu might involve:

22. Tamil Nadu has a long coastline of about:

500 km
1000 km
1500 km
2000 km

Detailed SolutionTamil Nadu has a long coastline of about:

23. Kanchipuram silk sarees are famous for their:

Vibrant colors and intricate borders
Tie-and-dye patterns
Block-printed motifs
Embroidered embellishments

Detailed SolutionKanchipuram silk sarees are famous for their:

24. Open-cast lignite mining can lead to:

Land degradation
Water pollution
Air pollution
All of the above

Detailed SolutionOpen-cast lignite mining can lead to:

25. The sex ratio in Tamil Nadu as per the 2011 Census is:

More females than males
More males than females
Equal number of males and females
Cannot be determined from Census data

Detailed SolutionThe sex ratio in Tamil Nadu as per the 2011 Census is:

26. Palaces and forts built by princely states are now important:

Tourist attractions
Government buildings
Heritage sites
All of the above

Detailed SolutionPalaces and forts built by princely states are now important:

27. The Tamil Nadu Chief Minister’s Helpline is a mechanism for:

Grievance redressal
Natural disaster response
Promoting tourism
Providing skill training

Detailed SolutionThe Tamil Nadu Chief Minister’s Helpline is a mechanism for:

28. Forest fires pose a risk to Tamil Nadu’s vegetation, especially during:

The dry summer months
The monsoon season
Winter months
Post-harvest season

Detailed SolutionForest fires pose a risk to Tamil Nadu’s vegetation, especially during:

29. The legendary Pandyan king Nedunchezhiyan is celebrated for his victory at:

Talaiyalanganam
Madurai
Kanchipuram
Venni

Detailed SolutionThe legendary Pandyan king Nedunchezhiyan is celebrated for his victory at:

30. One of the challenges faced by PRIs in Tamil Nadu is:

Lack of financial resources
Limited functional autonomy
Political interference
All of the above

Detailed SolutionOne of the challenges faced by PRIs in Tamil Nadu is: