Select the most appropriate option to fill in blank no.3.

The correct answer is 'encroachment'.

Key Points

• The title of the given passage can be 'Dolphin boom in Odisha's Chilika lake'.
• The most appropriate word for the given blank is 'encroachment'. 
• It means 'intrusion on a person's territory, rights, etc'. (किसी व्यक्ति के क्षेत्र, अधिकार, आदि पर घुसपैठ)
  • Example: Minor encroachments on our individual liberties.
• Thus, the correct answer is Option 4.
   

Correct Passage: The rise in the Irrawaddy dolphin population in Chilika can be attributed to the eviction of illegal fish enclosures. After thousands of hectares of Chilika lake were made encroachment free, Irrawaddy dolphins found unobstructed area for movement. (4) ______, due to the COVID-19 lockdown last year, there were comparatively fewer tourist boats on Chilika lake, which made it (5) ______ for dolphins to move from one part of the lake to another. 

Additional Information

• Let's look at the meaning of other words:
  • intervention: the action or process of intervening. (हस्तक्षेप करने की क्रिया या प्रक्रिया)
  • trespass: to go onto somebody’s land or property without permission. [किसी की भूमि या (गृह) संपत्ति में अनधिकार प्रवेश करना]
  • confiscation: the action of taking or seizing someone's property with authority; seizure. (ज़ब्‍ती, क़ुरक़ी)