21. Integrated pest management techniques are important for:

Reducing reliance on chemical pesticides
Promoting ecological balance
Improving crop yields
All of the above

Detailed SolutionIntegrated pest management techniques are important for:

22. Afforestation and reforestation efforts can help:

Reduce soil erosion
Stabilize slopes prone to landslides
Mitigate flood risk
All of the above

Detailed SolutionAfforestation and reforestation efforts can help:

23. The Palk Strait separates Tamil Nadu from:

The Maldives
Sri Lanka
Andaman Islands
Bangladesh

Detailed SolutionThe Palk Strait separates Tamil Nadu from:

24. The state government of Tamil Nadu might implement policies to:

Develop drought-resistant crop varieties
Encourage water conservation measures
Promote renewable energy sources
All of the above

Detailed SolutionThe state government of Tamil Nadu might implement policies to:

25. Poikal Kudirai involves the use of:

Painted wooden horses
Balancing pots
Swords and shields
Colorful umbrellas

Detailed SolutionPoikal Kudirai involves the use of:

26. Tamil Nadu is a significant producer of:

Cement
Chemicals and fertilizers
Wind turbines
All of the above

Detailed SolutionTamil Nadu is a significant producer of:

27. An example of social safety net programs that can improve HDI is:

Public Distribution System (PDS)
MGNREGS
Midday Meal Scheme
All of the above

Detailed SolutionAn example of social safety net programs that can improve HDI is:

28. The Midday Meal Scheme in Tamil Nadu aims to:

Improve school attendance
Reduce child malnutrition
Promote girls' education
All of the above

Detailed SolutionThe Midday Meal Scheme in Tamil Nadu aims to:

29. Effective implementation of budget allocations is crucial to ensure:

Intended outcomes are achieved
Public funds are utilized efficiently
Corruption is minimized
All of the above

Detailed SolutionEffective implementation of budget allocations is crucial to ensure:

30. The Cholas had a well-organized administrative system that included:

Land surveys
Local self-government
Strong navy
All of the above

Detailed SolutionThe Cholas had a well-organized administrative system that included: