Water on land which is continuously cycling and has low salt content is known as fresh water and its study is called .__________________

The largest lake in the world is lake ______________in North America

____________ lake of Orissa is largest lake in India.

Bentic zone (bottom) or the _____________ of the lake.

Microscopic floating organisms such as algae, diatoms, protozoans and larval forms are called ______________

___________________are areas that periodically get inundated with water and support a flourishing community of aquatic organisms

Maximum diversity of marine organisms is found in the __________________zone that is near the shore.

Which ghats also known as Sahyadri extend from Tapti river in north to Kanyakumari in south ?

________________ are naturally formed deep water bodies

________________ points are the places that undergo periodic flooding as a river channel overflows with flood water

What is man made areas holding water irrigation and human use.

Gulf on east coast is___________-

Gulf on west coast are ________________

An ______________ is a place where a river or a stream opens into the sea

_______________are triangular areas bordering the river valley towards the mouth.

Which forests act as barriers for the costal habitat to check the wind speed during cyclones and high velocity landward winds.

Sunderban mangroves are the only mangroves where _____________population is found.

_______________ are land masses surrounded by sea water from all sides

which is the zone of junction between two or more diverse ecosystems

the number of species and the population density of some of the species is much greater in this zone than either community. This is called ____________effect

____________is one of the megadiversity countries.