Behr, Abraham Leslie.Moodley, Tharanialan Kistnasamy.2011-07-122011-07-1219801980http://hdl.handle.net/10413/3168Thesis (Ph.D.)-University of Durban-Westville, 1980.No abstract available.enEducational tests and measurements--Evaluation.Biology--Study and teaching (Secondary)--South Africa.Environmental education.Theses--Education.Indians--Education--South Africa.A critical study of methods of measuring the attainment of pupils in practical work in the biological sciences with special reference to the situation pertaining to Indian schools.Thesis