The correct answer is: a) Mudbank formation.
The ‘Chakara’ phenomenon is a natural phenomenon that occurs in the backwaters of Kerala, India. It is a circular formation of mud that is caused by the interaction of the tides and the currents. The mudbank is usually formed during the monsoon season, when the water levels are high. The ‘Chakara’ can be several kilometers in diameter and can last for several days.
The ‘Chakara’ is a popular tourist attraction and is often used for fishing. The mudbank is also a breeding ground for fish and other marine life.
The other options are incorrect because:
- Option b) Algal bloom is a rapid increase in the population of algae in a water body. This can cause the water to become discolored and can also produce toxins that can harm fish and 81.2z"/> Subscribe on YouTube