Which of the following statements are true in the context of wetlands?

1.A wetland is an ecosystem flooded by water permanently or seasonally, with characteristic aquatic vegetation adapted to hydric soil

2.February 2 is celebrated as International Wetlands Day, as the Ramsar Convention was signed on 2 February 1971

3.India added 11 more wetlands to the Ramsar list, making a total of 100 such sites in India

4.Wetlands are the largest natural source of methane, producing about 78% of natural methane emissions

A1, 2 and 3

B2, 3 and 4

C1, 2 and 4 ✓ Correct

D2 and 3

Correct answer: (C) 1, 2 and 4

Explanation

Statement 1 is correct, as a wetland is land submerged permanently or seasonally with vegetation suited to waterlogged, hydric soil.

Statement 2 is correct, since World Wetlands Day is observed on 2 February because the Ramsar Convention was adopted on that date in 1971.

Statement 3 is inaccurate, as the count of Indian Ramsar sites then stood well below a hundred.

Statement 4 is correct, since wetlands are the largest natural source of methane, contributing a major share of natural emissions.

The accurate descriptions are therefore the first, second and fourth.

India's first Ramsar sites were Chilika Lake in Odisha and Keoladeo in Rajasthan, both listed in 1981.

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