Which one of the following is the best example of repeated falls in sea level, giving rise to present-day extensive marshland?

Question

Question

This question was previously asked in

UPSC Civil Services Prelims 2023: General Studies (SET - A - Held on 28 May)

Answer 1

The correct answer is option 4.

Key Points

Rann of Kutch:
- It was once a sprawling shallow of the Arabian Sea until a constant geological shift closed off the connection with the sea. Hence option 4 is correct.
- Over the years, the region eventually became a seasonal marshy salt desert.
- During monsoons, the marsh fills up with water and the wetland extends from the Gulf of Kutch on the west through to the Gulf of Cambay on the east.
- In the summers, the water dries to create a crunchy based bed of white salty land.

Additional Information

Bhitarkanika Mangroves:
- It hosts many mangrove species, and is the second largest mangrove ecosystem in India. The national park is home to Saltwater crocodile (Crocodylus porosus), Indian python, king cobra, black ibis, darters and many other species of flora and fauna.
Marakkanam salt pans:
- The Marakkanam salt pans are spread over an area of 4,000 acres and is one of the largest producers of salt in Tamil Nadu. These salt pans support the livelihood of around 1,000 workers every day during peak season.
Naupada swamp:
- It is famous for salt fields and called the "Salt Bowl of Andhra Pradesh".