Concept:Teaching functions are systematic processes that help in knowledge transmission and learner development. Evaluation, diagnostic, and remedial functions are core, while biological function is unrelated.
Explanation:Evaluation function involves judging learning outcomes to make decisions and improve effectiveness.
Diagnostic function identifies learning gaps, strengths, and weaknesses through assessment.
Remedial function provides targeted help to address diagnosed problems and support slow learners.
Biological function refers to natural or physical growth processes, not a part of teaching functions.
Answer:D. Biological function