GENERAL KNOWLEDGE

Detailed explanation-1: -Kolleru Pelicanary situated at Elluru, Andhra Pradesh has reserves of pelicans, painted stroke. Kolleru Bird Sanctuary is a sanctuary in Andhra Pradesh, India. It covers 673 square kilometers. It was established in November 1999, under the Wildlife Protection Act of 1972.

Detailed explanation-2: -“The Kolleru Lake, spread over 2, 50, 250 acres (up to tenth contour, 90, 100 hectares), is now facing a threat from pollution due to release of effluents into the rivers and canals flowing into the lake, ‘’ says 92-year-old M.V.

Detailed explanation-3: -The presence of marine clay with peat layers containing abundant mangrove pollen in the subsurface sediments, supplemented by radiocarbon dates pointed to the mid-Holocene origin of the Kolleru Lake as a coastal lagoon.