1. Is Chilika Lake a freshwater or saltwater lake?
a) Freshwater
b) Saltwater
c) Brackish water
d) None of the above
Answer: c) Brackish water
2. Chilika Lake is located in which Indian state?
a) Kerala
b) Odisha
c) Tamil Nadu
d) Karnataka
Answer: b) Odisha
3. What is the primary source of water for Chilika Lake?
a) River
b) Rainfall
c) Ocean
d) Underground springs
Answer: c) Ocean
4. Which of the following is not a feature of Chilika Lake?
a) It is the largest coastal lagoon in India.
b) Chilika Lake is a Ramsar Wetland site.
c) It is a UNESCO World Heritage Site.
d) The lake is a habitat for migratory birds.
Answer: c) It is a UNESCO World Heritage Site.
5. Chilika Lake is known for its rich biodiversity, including:
a) Dolphins
b) Crocodiles
c) Fish species
d) All of the above
Answer: d) All of the above
6. What is the approximate area covered by Chilika Lake?
a) 500 square kilometers
b) 1,000 square kilometers
c) 1,500 square kilometers
d) 2,000 square kilometers
Answer: b) 1,000 square kilometers
7. Chilika Lake is separated from the Bay of Bengal by which geographical feature?
a) Cape Comorin
b) Sagar Island
c) Eastern Ghats
d) Palk Strait
Answer: c) Eastern Ghats
8. Which type of island is found in Chilika Lake and serves as a vital breeding ground for birds?
a) Coral islands
b) Sand islands
c) Mud islands
d) Volcanic islands
Answer: c) Mud islands
9. What is the main economic activity associated with Chilika Lake?
a) Agriculture
b) Fishing
c) Tourism
d) Mining
Answer: b) Fishing
10. Chilika Lake is a crucial habitat for which endangered species of dolphins?
a) Irrawaddy dolphin
b) Bottlenose dolphin
c) Humpback dolphin
d) Spinner dolphin
Answer: a) Irrawaddy dolphin
11. Chilika Lake is a designated Ramsar Wetland. What does this designation signify?
a) It is a UNESCO World Heritage Site.
b) It is a protected area for cultural heritage.
c) It is recognized for its ecological importance.
d) It is an exclusive wildlife reserve.
Answer: c) It is recognized for its ecological importance.
12. Which season witnesses the arrival of migratory birds at Chilika Lake?
a) Summer
b) Monsoon
c) Autumn
d) Winter
Answer: d) Winter
13. The Nalabana Island in Chilika Lake is particularly famous for:
a) Bird watching
b) Coral reefs
c) Butterfly migration
d) Turtle nesting
Answer: a) Bird watching
14. Chilika Lake is connected to the Bay of Bengal through a narrow channel called:
a) Chilika Channel
b) Satapada Channel
c) Balugaon Passage
d) Mouth of Ganges
Answer: b) Satapada Channel
15. What is the predominant type of vegetation surrounding Chilika Lake?
a) Mangroves
b) Coniferous forests
c) Tropical rainforests
d) Alpine meadows
Answer: a) Mangroves
16. Chilika Lake is an essential habitat for the Olive Ridley turtles during their nesting season. Which island in the lake is particularly known for this phenomenon?
a) Kalijai Island
b) Satapada Island
c) Nalabana Island
d) Honeymoon Island
Answer: b) Satapada Island
17. What is the primary reason behind the brackish nature of Chilika Lake’s water?
a) Heavy rainfall
b) Presence of underground springs
c) Mixing of freshwater rivers and seawater
d) Melting glaciers
Answer: c) Mixing of freshwater rivers and seawater
18. Which community is traditionally associated with fishing activities in and around Chilika Lake?
a) Lighthouse keepers
b) Gond fishermen
c) Maithili farmers
d) Chilika Rangers
Answer: b) Gond fishermen
19. Chilika Lake was designated as a wildlife sanctuary in which year?
a) 1972
b) 1987
c) 1994
d) 2001
Answer: b) 1987
20. What is the main threat to the biodiversity of Chilika Lake?
a) Climate change
b) Pollution
c) Overfishing
d) Deforestation
Answer: b) Pollution
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