This is a list of some qualitative laboratory tests that can be used to identify unknowns in lab. These are simple tests leading to the identification of a few anions and cations and some common gases. Also included here is flame test information for selected cations.

You can listen to Biology radio programs for conducted by Dr Hiran Amrasekera on Swadesheiya sevaya of Sri Lanka Broadcasting Corporation (SLBC) FM 98.3 and FM 102.3 on every Thursdays from 3.30 pm to 4.30 pm in May, June and April 2007. These are revision programs aiming at students who prepare for G.C.E. Advanced Level [...]

Prof. M.J.S. Wijeyaratne Vice-Chancellor and Senior Professor of Zoology University of Kelaniya Summary of the presentation made at the Seminar organized by Institue of Biology and Young Biologists Association, Sri Lanka on 23 April 2007 at Auditorium of the National Museum, Colombo 7. Passing G.C.E. (A. L.) Examination is essential for Higher education. Probability of [...]

Biology seminar organized by Young Biologists and IOB Originally uploaded by Dr Hiran Amarasekera. Seminar on Higher Education and Employment Opportunities in the Field of Biological Sciences organized by Institute of Biology, Sri Lanka and Young Biologists Association on 23 April 2007 at Museum Auditorium, Colombo 7

A L Biology seminar head table Originally uploaded by Dr Hiran Amarasekera. Prof M J S Wijeyaratne, Dr Upul Subasigne, Dr Jayantha Wattewidada, Niantha Vishvanath and Dr Hiran Amarasekera at the Seminar on Higher Education and Employment Opportunities in the Field of Biological Sciences organized by Institute of Biology, Sri Lanka and Young Biologists Association [...]

Addresses of Public Schools in Jaffna District of Sri Lanka.

Addresses of Schools in Kandy District of Sri Lanka.

Addresses of Schools in Kalutara District of Sri Lanka.

Addresses of Schools in Gampaha District of Sri Lanka.

Addresses of Schools in Colombo District of Sri Lanka.