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Artham Resources Class 12 Biology Half-Yearly Sample Question Paper with Solutions (Set 5), designed strictly per the CBSE 2026–27 pattern and rationalized NCERT syllabus. It provides rigorous, focused evaluation across Evolution (origin of life, biological evolution, evidences for evolution including homologous and analogous structures, adaptive radiation, Darwinian theory, modern synthetic theory, Hardy-Weinberg equilibrium, and human evolution) integrated with foundational Genetics and Molecular Biology (DNA structure, central dogma, and mutation). Structured with the complete CBSE question typology—MCQs, Assertion-Reason items, graphical interpretations of natural selection (stabilizing, directional, disruptive), evolutionary tree analysis, and a high-order thinking Case-Based question.