JAGTIV · Previous Year Questions

UPSC

ENVIRONMENT · 2022

Previous Year Question

Consider the following pairs:

Wetland/Lake

Location

1. Hokera Wetland

Punjab

2. Renuka Wetland

Himachal Pradesh

3. Rudrasagar Lake

Tripura

4. Sasthamkotta Lake

Tamil Nadu

How many pairs given above are correctly matched?

A.

Only one pair

B.

Two pairs

C.

Three pairs

D.

All four pairs

Correct Answer: B

Detailed Solution

Pair 1 is not correctly matched.

  • Hokera Wetland is not located in Punjab but near Srinagar in Jammu and Kashmir.

  • It is also known as Hokersar or Hokera Wetland.

  • It is a natural perennial wetland associated with the Jhelum River basin.

  • It is situated in the northwest Himalayan biogeographic region.

  • It is an important wintering habitat and feeding ground for waterbirds migrating along the Central Asian Flyway.

  • It was designated as a Ramsar Site in 2005.

Pair 2 is correctly matched.

  • Renuka Wetland is situated in the Sirmaur district of Himachal Pradesh.

  • Renuka Lake is a natural freshwater lake that receives water from underground springs and rainfall.

  • The lake is surrounded by forests that provide habitats for various aquatic and terrestrial species.

  • It also possesses religious and cultural significance and is associated with Goddess Renuka.

  • It was designated as a Ramsar Site in 2005.

Pair 3 is correctly matched.

  • Rudrasagar Lake is situated near Melaghar in the Sepahijala district of Tripura.

  • It is a natural lowland freshwater lake.

  • Small streams associated with the Gomati River basin and rainfall supply water to the lake.

  • Neermahal, constructed by the former rulers of Tripura, is situated in the middle of this lake.

  • The lake is important for local fisheries, irrigation and aquatic biodiversity.

  • It was designated as a Ramsar Site in 2005.

Pair 4 is not correctly matched.

  • Sasthamkotta Lake is not located in Tamil Nadu but in the Kollam district of Kerala.

  • It is regarded as the largest natural freshwater lake in Kerala.

  • It is an important source of drinking water for Kollam city and its surrounding areas.

  • Larvae belonging to the genus Cavaborus are mentioned as helping maintain water quality because they consume bacteria present in the water.

  • It was designated as a Ramsar Site in 2002.

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